PERSONAL FLOTATION DEVICE WITH INTEGRATED SHELTER

Description

CROSS REFERENCE TO RELATED APPLICATIONS

This patent application claims the benefit of and priority to provisional U.S. Application No. 63/716,278, filed on 5 Nov. 2024 and entitled “Life Jacket Shelter,” which is incorporated herein by reference in its entirety.

FIELD OF THE INVENTION

The present invention relates to personal flotation devices, and more particularly to a personal flotation device with an integrated shelter for enhancing safety and survival in water-related emergencies and disaster scenarios.

BACKGROUND OF THE INVENTION

Personal flotation devices (PFDs), such as life jackets or vests, enhance water safety and prevent drowning by keeping a person afloat. Traditional PFDs focus primarily on buoyancy and visibility, with features such as bright colors and reflective materials to aid in rescue operations.

In recent years, manufacturers have expanded the functionality of PFDs beyond their basic life-saving role. This expansion stems from the recognition that water-related emergencies, particularly during floods or typhoons, can involve prolonged periods before rescue. During these periods, people may face various environmental challenges.

Aquatic environments present numerous hazards beyond the immediate risk of drowning. During catastrophic events like floods or typhoons, people often get stuck in isolated locations where rescue teams cannot reach them quickly. Prolonged exposure to harsh weather conditions, including extreme temperatures, wind, and precipitation, poses serious threats to the people awaiting rescue. The extended exposure causes significant health hazards and can become life-threatening as the waiting period increases.

The increasing frequency and severity of natural disasters, particularly floods, create critical safety challenges. For example, an estimated 2.5 million people have drowned in natural disasters, highlighting the need for better safety solutions. These events pose significant risks, including drowning, hypothermia, and difficulties in identification and rescue. Traditional life jackets often fall short in providing comprehensive protection during prolonged emergency scenarios.

Several attempts have been made in the past to provide different PFDs. One such example is disclosed in European U.S. Pat. No. 2,920,055 B1, entitled “Life jacket having additional lifesaving means and lifesaving means for arrangement in buoyancy aids or life jackets” (“the '055 Patent”). The '055 patent discloses a life jacket with additional lifesaving means that offers a higher degree of buoyancy in an emergency. The '055 patent teaches inserting an additional lifesaving means into a life jacket and activating it via sensors in conjunction with a control unit or by manual actuation. This increases the overall buoyancy beyond that of the life jacket itself, allowing a person's body to remain above water without additional movement.

Another example is disclosed in U.S. Pat. No. 7,182,662 B2, entitled “Hybrid personal flotation device” (“the '662 Patent”). The '662 Patent describes a hybrid personal flotation device that includes a flotation vest body with an expandable cover over at least a portion of the vest body. The expandable cover contains an inflatable chamber with front and back portions connected by a single shoulder pass-through. The device allows inflation through an oral inflation tube or a manually activated cylinder containing compressed CO2. The design maintains a low profile and does not restrict the wearer's neck or shoulder range of motion.

Yet another example is disclosed in Korean Patent Application No. 20210025270 A, entitled “Life jacket for hypothermia delay” (“the '270 Publication”). The '270 Publication discloses a life jacket having multiple heating elements to heat sequentially while the user is in water, delaying the loss of body temperature. The design aims to minimize death due to hypothermia, which causes loss of consciousness from slowed blood circulation, respiration, and nervous system functions during rescue operations.

Although the above discussed disclosures are useful, they still have problems and present incomplete solutions. For instance, traditional life jackets help people stay afloat, but they do not provide a safe place to stay warm or protected while waiting for rescue teams. In emergency situations on both water and land, individuals remain vulnerable to harsh weather conditions. Traditional life jackets provide buoyancy but lack the versatility to offer protection from the elements once out of the water. Additional challenges include the need for quick identification of individuals, protection of personal identification documents, and the extensive logistical and financial burdens on rescue operations. The above limitations leave the people vulnerable to environmental conditions and reduce their chances of survival in prolonged emergency situations. The '270 Publication helps to maintain body temperature, however the '270 Publication does not provide comprehensive protection from other environmental conditions such as wind, rain, or sun exposure.

Furthermore, existing personal flotation devices lack predictive capabilities for tracking individuals when communication systems fail or when devices go offline. During large-scale disasters, communication networks often become overloaded or damaged, leaving rescue teams without real-time location data. This creates significant challenges in locating individuals who may have drifted from their last known position due to currents, wind, or other environmental factors. The inability to predict probable locations based on environmental conditions may result in expanded search areas, increased rescue time, and higher operational costs.

Therefore, there is a need in the art to provide an improved personal flotation device that enhances the overall safety and survival prospects of individuals in water-related emergencies, floods, and disaster scenarios in addition to the need of quick identification for fast rescue operations.

SUMMARY OF THE INVENTION

This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

It is an object of the present invention to provide a personal flotation device with an integrated shelter system that enhances safety and survival in maritime emergencies and disaster scenarios.

It is another object of the present invention to provide a personal flotation device with a removable shelter kit that can be easily deployed to protect users from environmental conditions while awaiting rescue.

It is another object of the present invention to provide a personal flotation device with integrated communication and location tracking capabilities to facilitate efficient rescue operations.

It is another object of the present invention to provide a personal flotation device that combines effective flotation capabilities with integrated shelter features to protect users from environmental exposure during extended rescue operations, addressing the critical need for comprehensive safety solutions in maritime emergencies.

It is another object of the present invention to provide a personal flotation device with an Artificial Intelligence (AI) powered tracking system that maintains predictive location capabilities even when offline, utilizing environmental data to estimate drift patterns and probable coordinates.

To achieve these objectives, the present invention provides a personal flotation device with an integrated shelter. The personal flotation device comprises a body with front panels, side panels, and a back panel that a user wears. The personal flotation device comprises shelter kit connecting members extending from the back panel. A shelter kit attached to the back panel by the shelter kit connecting members. The shelter kit contains a container that holds a frame assembly and a shelter structure. The user deploys the frame assembly and the shelter structure to create a shelter for protection from environmental conditions while waiting for rescue. The panels contain buoyant material like closed cell Polyvinyl chloride (PVC) foam or ethyl vinyl acetate foam. This material provides flotation while maintaining flexibility and comfort. The frame assembly includes base frames, extending frames, and at least one top supporting frame. The user configures the frame assembly into various shelter shapes such as A-Frame, Pyramid, Hoop, or Dome tent designs.

In one aspect of the present invention, the shelter structure comprises a first sheet and a second sheet. The first sheet functions as an outer waterproof layer that blocks rain, wind, and sun. The second sheet functions as an inner mesh layer that allows air flow while keeping insects out. The first sheet and the second sheet include zippered doors. The doors control access to an interior of the shelter while maintaining protection from environmental conditions. The container features waterproof and durable materials. The container withstands extreme weather and protects the frame assembly and shelter structure until needed.

In another aspect, the personal flotation device includes an identification code module that stores user information, an alerting device that emits warning signals, a flashlight that provides illumination, a location sensor that tracks position, an SOS button that activates emergency functions, and an electronic device that transmits data through a network to a processing server. When the user presses the SOS button, the PFD sends location data and user identification to the processing server. The server then coordinates with rescue personnel to speed up rescue operations. The communication network maintains reliable connections between all system components. This ensures information flows smoothly from the flotation device to rescue teams, even during harsh conditions when normal communication systems fail.

In another aspect, the personal flotation device may include an Artificial Intelligence (AI) powered tracking system that operates through a software application or integrated system. The AI-powered tracking system may combine last known location such as GPS coordinates with environmental data including wind direction, current speed, and weather conditions to predict drift patterns. The AI-powered tracking system may generate predictive coordinates and dynamic maps for rescue personnel, enabling location estimation even when the device is offline or communication networks are compromised. The AI-powered tracking system may utilize stored environmental data to calculate probable movement paths, reducing search time and operational costs during rescue operations.

The present invention also provides a method for creating emergency shelter using a personal flotation device. The method involves wearing a personal flotation device with a shelter kit attached to its back panel, releasing the shelter kit connecting members to remove the shelter kit, taking out the frame assembly and shelter sheets from the container, setting up the frame assembly by extending the base frames, extending frames, and top supporting frames, and attaching the shelter sheets to create a shelter structure. Users can also activate the SOS button to send a distress signal, capture location data with the integrated sensor, transmit this data through the communication network to the processing server, and allow the server to coordinate rescue efforts based on the transmitted information.

In one advantageous feature of the present invention, the personal flotation device with integrated shelter provides protection during maritime emergencies and disaster scenarios by combining flotation capabilities with emergency shelter features. This dual functionality significantly enhances survival prospects for individuals in water-related emergencies, floods, and other disaster scenarios where rescue operations may be delayed.

In another advantageous feature of the present invention, the removable shelter kit allows for quick and efficient deployment of the emergency shelter when needed, while maintaining the personal flotation device's primary function of keeping the user afloat. The shelter structure provides protection from environmental conditions such as rain, wind, sun exposure, and insects, helping to prevent hypothermia and other exposure-related conditions during extended rescue operations.

In yet another advantageous feature of the present invention, the integrated communication and location tracking capabilities transform traditional search missions into targeted rescue operations. This substantially reduces response times and conserves valuable resources.

In a further advantageous feature of the present invention, the adaptable frame assembly allows for configuration into various shelter shapes to accommodate different environmental conditions, available space, and specific protection requirements. This ensures that the users can establish the most appropriate shelter configuration based on their specific emergency situation, maximizing protection and comfort while awaiting rescue.

The foregoing general description of the illustrative embodiments and the following detailed description thereof are merely exemplary aspects of the teachings of this disclosure and are not restrictive.

BRIEF DESCRIPTION OF THE DRAWINGS

Non-limiting and non-exhaustive examples are described with reference to the following figures.

FIG. 1A and FIG. 1B illustrate a front perspective view and a side perspective view, respectively, of a personal flotation device worn by a user, in accordance with one embodiment of the present invention.

FIG. 2A and FIG. 2B illustrate a front view and a side view, respectively, of the personal flotation device, in accordance with one embodiment of the present invention.

FIG. 3 illustrates the personal flotation device with shelter kit connecting members securing a shelter kit, in accordance with one embodiment of the present invention.

FIG. 4 illustrates a user removing the shelter kit from the personal flotation device, in accordance with one embodiment of the present invention.

FIG. 5 illustrates an outline of a frame assembly in deployed configuration, in accordance with one embodiment of the present invention.

FIG. 6 illustrates a shelter formed using the frame assembly and shelter sheets, in accordance with one embodiment of the present invention.

FIG. 7 illustrates a partial view of the shelter with connected frame assembly and sheets, in accordance with one embodiment of the present invention.

FIG. 8 illustrates a system diagram of a personal flotation device and associated communication network components, in accordance with one embodiment of the present invention.

FIG. 9 illustrates a flowchart of a method for user registration, in accordance with one embodiment of the present invention.

FIG. 10 illustrates a flowchart of a method for emergency response and rescue operations, in accordance with one embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

The following detailed description set forth below in connection with the appended drawings is intended as a description of exemplary embodiments in which the presently disclosed invention may be practiced. The term “exemplary” used throughout this description means “serving as an example, instance, or illustration,” and should not necessarily be construed as preferred or advantageous over other embodiments. The detailed description includes specific details for providing a thorough understanding of the presently disclosed personal flotation device. However, it will be apparent to those skilled in the art that the presently disclosed invention may be practiced without these specific details. In some instances, well-known structures and devices are shown in functional or conceptual diagram form in order to avoid obscuring the concepts of the presently disclosed personal flotation device.

In the present specification, an embodiment showing a singular component should not be considered limiting. Rather, the invention preferably encompasses other embodiments including a plurality of the same component, and vice versa, unless explicitly stated otherwise herein. Moreover, the applicant does not intend for any term in the specification to be ascribed an uncommon or special meaning unless explicitly set forth as such. Further, the present invention encompasses present and future known equivalents to the known components referred to herein by way of illustration.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, and/or sections, these elements, components, regions, and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, and/or section from another element, component, region, and/or section.

It will be understood that the elements, components, regions, and sections depicted in the figures are not necessarily drawn to scale.

Although the present invention provides a description of a personal flotation device it is to be further understood that numerous changes may arise in the details of the embodiments of the personal flotation device. It is contemplated that all such changes and additional embodiments are within the spirit and true scope of this disclosure.

The following detailed description is merely exemplary in nature and is not intended to limit the described embodiments or the application and uses of the described embodiments. As used herein, the word “exemplary” or “illustrative” means “serving as an example, instance, or illustration.” Any implementation described herein as “exemplary” or “illustrative” is not necessarily to be construed as preferred or advantageous over other implementations. All of the implementations described below are exemplary implementations provided to enable persons skilled in the art to make or use the embodiments of the disclosure and are not intended to limit the scope of the disclosure.

Various features and embodiments of a personal flotation device are explained in conjunction with the description of FIGURES (FIGS) 1A-8.

FIG. 1A and FIG. 1B show an environment 10 where a user 14 wears a personal flotation device (PFD) 12, in accordance with one exemplary embodiment of the present invention. The PFD 12 includes, but not limited to, a life jacket and inflatable vest. The PFD 12 has a body 20 shaped like a sleeveless vest designed to fit about the torso and shoulders of the user 14 with arms 16 extended through armholes 32, 34. In the present invention, the PFD 12 functions as both a flotation device and an emergency shelter. In some aspects, the PFD 12 includes additional features to enhance its functionality and user safety. The PFD 12 comprises a pocket 43 positioned on the front of the body 20, which can be used to store items 48 such as an electronic device (mobile phone). The pocket 43 provides quick access to essential communication tools during emergency situations. Additionally, the PFD 12 incorporates a shelter kit 60 that is removably attached to the body 20. The shelter kit 60 houses components for creating an emergency shelter. The shelter kit 60 allows user 14 to deploy a protective structure when needed, providing shelter from environmental conditions while awaiting rescue. The integration of the shelter kit 60 with the PFD 12 offers a survival solution in various emergency scenarios.

FIG. 2A and FIG. 2B show front and side views of the PFD 12, in accordance with one embodiment of the present invention. The body 20 is made from several panels or sections such as front panels 22, 24, side panels 26, 28, and a back panel 30. In one example, the front panels 22, 24, the side panels 26, 28, and the back panel 30 are joined together to form a vest-like structure. In another example, the front panels 22, 24, the side panels 26, 28, and the back panel 30 come as a single component. In some cases, the body 20 comes as one piece with all panels (front panels 22, 24, the side panels 26, 28, and the back panel 30) included. In some cases, the front panels 22, 24, the side panels 26, 28, and the back panel 30 come as separate panels and they are connected to form the vest-like structure. The front panels 22, 24, the side panels 26, 28, and the back panel 30 may be joined using lap-felled seams. Lap-felled seams may involve overlapping adjacent edges of the panels, folding them, then securing the connection with double rows of lock stitching along the entire length for enhanced strength and durability.

Each of the front panels 22, 24, the side panels 26, 28, and the back panel 30 comprises flotation material such as closed cell Polyvinyl chloride (PVC) foam or any other material that performs the same function as conceived by a skilled person in the art. In some cases, the front panels 22, 24, the side panels 26, 28, and the back panel 30 comprises ethyl vinyl acetate foam, which feels soft and bends easily. The material of the body 20 is both buoyant and flexible, and often thin to maintain a narrow profile while maintaining sufficient flotation. The front panels 22, 24, the side panels 26, 28, and the back panel 30 are configured to stay buoyant even when wet and resist damage from weather. In one implementation, the front panels 22, 24, the side panels 26, 28, and the back panel 30 are covered using a durable fabric or nylon that add strength, comfort, and water drainage. Alternative materials may be used for covering the front panels 22, 24, the side panels 26, 28, and the back panel 30 to enhance the durability, comfort, and functionality. Exemplary materials include, but not limited to, polyester fabric, ripstop material, silicone coated fabric, recycled plastic-based fabric, High-density polyethylene (HDPE) fabric, and Fluoropolymer-coated fabric. The cover used for the front panels 22, 24, the side panels 26, 28, and the back panel 30 ensures the PFD 12 maintains its integrity even after prolonged exposure to water and harsh elements. The PFD 12 design and materials provide buoyancy, comfort, and durability in water. The flotation materials and fabric coverings help the PFD 12 to work well under extreme weather conditions. The design ensures the PFD 12 meets or exceeds flotation requirements set by Coast Guard Regulations.

The front panels 22, 24, the side panels 26, 28, and the back panel 30 define armholes 32, 34 in the body 20 for receiving the user's arms. The armholes 32, 34 may include elastic armhole periphery members (not shown) made of soft, flexible material like Neoprene or similar polychloroprene material that protrude slightly outward from the body 20. Further, the front panels 22, 24, the side panels 26, 28, and the back panel 30 define a neck opening 36 at the top allowing the PFD 12 to be put over the neck of the user 14.

The body 20 further comprises a fastening means 38 on the edges of the front panels 22, 24. The fastening means 38 is a zipper that ends at the user's waist, helping to secure the PFD 12 to the user's torso. Although it is shown that the fastening means 38 includes a zipper, other attachments such as snaps, buckles, or hook and loop fasteners may be used without departing from the scope of the present invention.

The body 20 comprises a plurality of front adjustment straps 40. The front adjustment straps 40 extend from the side panels 26, 28 to the front panels 22, 24. In some cases, the front adjustment straps 40 extend from the side panels 26, 28 to the back panel 30, as shown in FIG. 3. The front adjustment straps 40 comprise first buckle members 41. The first buckle members 41 allows the user 14 to fit the PFD 12 snugly to their body. In one exemplary embodiment, the body 20 comprises crotch straps 42. The user 14 wears the crotch straps 42 around their crotch area. The crotch straps 42 keep the PFD 12 firmly in place, preventing the PFD 12 from shifting or turning.

The body 20 further comprises a pocket 43 on its front. The pocket 43 connects to one of the front adjustment straps 40 through connectors 44. The connectors 44 may include straps, hooks or any other connecting mechanisms. The pocket 43 has an access control member 46 that controls access to its inside. The access control member 46 may include a slider, zipper, In one example, the user 14 may store items 48 (as shown in FIG. 1A) such as electronic device (mobile phones) or passport in the pocket 46. The pocket 46 may be formed of flexible, stretchable material such as mesh fabric or Neoprene, with a zipper closure. In some cases, the pocket 46 is made of a transparent material allowing others to see the contents stored in the pocket 46.

In some aspects, the body 20 comprises shelter kit connecting members 50 extending from the back panel 30. The shelter kit connecting members 50 are designed to securely attach the shelter kit 60 to the PFD 12, allowing for easy access and deployment of emergency shelter equipment when needed. FIG. 3 shows a rear view of the PFD 12 comprising the shelter kit connecting members 50. As can be seen, the shelter kit connecting members 50 extend from the side panels 26, 28 and extend over the back panel 30 at substantially bottom of the body 20. The shelter kit connecting members 50, include, but not limited to, straps, hook and loops, hook, any other connecting mechanisms. The shelter kit connecting members 50 comprise attachment members 52 such as buckle members or similar mechanisms. The shelter kit connecting members 50 are configured to secure a shelter kit 60 to the body 20. The user 14 adjusts the length of the shelter kit connecting members 50 and uses the attachment members 52 to connect the shelter kit 60 to the body 20 of the PFD 20. The shelter kit connecting members 50 spread the weight of the shelter kit 60 evenly across the user's back when wearing the PFD 12. When needed, the user 14 removes the shelter kit 60 from the shelter kit connecting members 50.

FIG. 4 shows the feature of the user 14 removing the shelter kit 60 from the shelter kit connecting members 50.

The shelter kit 60 comprises a container or a bag 62 that holds a frame assembly 70 and a shelter structure 96 (as illustrated in FIG. 6). The container 62 uses waterproof and durable material. The container 62 withstands extreme weather and floats on water while protecting its contents. In one example, the container 62 has a handle 64 allowing the user 14 to carry the shelter kit 60. In order to attach the shelter kit 60, the user 14 aligns the container 62 with the shelter kit connecting members 50 on the back of the PFD 12 and secures the container 62 using the attachment members 52. In order to remove the shelter kit 60, as shown in FIG. 4, the user 14 releases the attachment members 52, freeing the shelter kit 60 from the PFD 12. The user 14 then grabs the handle 64 to fully remove the shelter kit 60.

The container 62 stores the frame assembly 70 and shelter structure 96, transforming the PFD 12 into both a flotation aid and an emergency shelter system. This design gives the user 14 all the vital safety equipment in a small, wearable package for water environments or emergencies, enhancing the traditional safety functions of personal flotation devices.

As specified above, the container 62 holds the frame assembly 70 and the shelter structure 96. The frame assembly 70 comprises a plurality of frames or poles. When not in use, the frame assembly 70 is folded and stored in the container 62. FIG. 5 shows the frame assembly 70 in a deployed configuration, in accordance with one embodiment of the present invention. The frame assembly 70 includes a plurality of base frames 72, a plurality of extending frames 74, and at least one top supporting frame 76. Each of the base frames 72, the extending frames 74, and the supporting frame 76 includes a telescopic pole that adjusts in length. A skilled person in the art would appreciate that the poles can have different stoppers to control the length of the frames or poles, hence, the size of the shelter. Further, the base frames 72, the extending frames 74, and the supporting frame 76 fold to fit inside the container 62 when not in use. Each of the base frames 72, the extending frames 74, and the supporting frame 76 has a support member 80 at its center. The support members 80 add strength and stability to their respective frame. The frame assembly 70 comprises edge connectors or struts 82 that join adjacent frames together. In the present invention, the base frames 72 are placed over the surface such as a ground, rooftop, or any other surface where a shelter needs to be made. The extending frames 74 are positioned upwards at an angle, curve, or perpendicularly to create a shape for the shelter 96. Further, the at least one top supporting frame 76 is connected to the extending frames 74 to form a roof for the shelter 96.

The frame assembly 70 may be configured in various shapes to accommodate different shelter needs and environmental conditions. When configured into an A-Frame tent shape, the base frames 72 are positioned parallel to each other on the ground, while the extending frames 74 are angled upward to meet at the top, forming triangular end sections 120 connected by a ridge line 122 created by the top supporting frames 76. For a Pyramid tent configuration, the base frames 72 are arranged in a square or rectangular pattern on the ground, with the extending frames 74 angled inward to converge at a single point at the top, eliminating the need for top supporting frames 76. When forming a Hoop tent shape, the base frames 72 are placed parallel on the ground while the extending frames 74 are bent into semicircular arches and connected to supporting struts 124, creating a tunnel-like structure with a rounded top. For a Dome tent configuration, the base frames 72 form a square or hexagonal base, with the extending frames 74 curved upward and intersecting with each other to create a hemispherical shape, reinforced by the top supporting frames 76 positioned across the apex of the dome. Each configuration utilizes the edge connectors 82 to secure the frame components at their intersection points, ensuring structural integrity regardless of the chosen shape.

The frame assembly 70 allows for adaptation to different scenarios. In some cases, components of the base frames 72, the extending frames 74, and the supporting frame 76 may be added or removed to alter the shape and size of the frame assembly 70. This adaptability allows the user 14 to optimize the shelter 96 configuration based on factors such as available space, terrain conditions, or specific shelter requirements. For example, additional frame components may be incorporated to expand the shelter size when space permits, or certain components may be omitted to create a more compact shelter in confined areas.

The shelter structure 96 comprises a first sheet or fly sheet 84 (outer sheet) and a second sheet 86 (inner sheet). FIG. 6 shows the features of the shelter structure 96, in accordance with the present invention. The first sheet 84 uses waterproof and weatherproof material and acts as a protective outer layer. The first sheet 84 may be constructed from various waterproof and weatherproof materials, such as Silnylon, Polyurethane (PU) coated polyester, Ripstop nylon with a durable water repellent (DWR) coating, High-density polyethylene (HDPE) fabric, Polyester taffeta with a thermoplastic polyurethane (TPU) coating, Woven polytetrafluoroethylene (PTFE) fabric, etc. The first sheet 84 is designed with a gap between it and the second sheet 86 to prevent water leakage into the shelter's interior. The first sheet 84 defines a first door 88 enabling access to the interior of the shelter structure 96. In some cases, the first door 88 has a zipper 90 offering access to the interior of the shelter structure 96.

The second sheet 86 is made of reinforced underside and may comprise a mesh. The second sheet 86 serves as the main living and sleeping area of the shelter structure 96 and may include mesh panels to allow for ventilation without letting insects enter, or it may be completely solid. The second sheet 86 defines a second door 92 enabling access to the interior of the shelter structure 96. In some cases, the second sheet 86 has a zipper 94 to enable or restrict access to the interior of the shelter structure 96. It should be understood that the first door 88 and the second door 92 form an entrance 83 to the interior of the shelter structure 96. Here, the first door 88 acts as a solid door (door flap) while the second door 92 acts as a mesh door. This configuration allows the user 14 to open the solid first door 88 for extra ventilation without allowing bugs into the shelter structure 96. If needed, the user 14 may keep the second door 92 of the second sheet 86 zipped up at all times unless the user 14 is entering or exiting the shelter structure 96. This practice prevents any insects from getting into the shelter structure 96, providing both protection and comfort. Although it is shown that the first door 88 and the second door 92 comprise zipper to enable or restrict access to the interior, it is possible to replace the zipper with snaps, hooks and loops, hooks, or any other mechanism, without departing from the scope of the present invention.

To deploy the frame assembly 70 and shelter structure 96 to form a shelter, the user 14 may follow a sequence of steps. First, after removing the shelter kit 60 from the PFD 12 by releasing the attachment members 52, the user 14 opens the container 62 and removes all components. The user 14 begins by identifying the base frames 72, the extending frames 74, and the top supporting frame 76, which might be color-coded, numbered or marked for easy identification. The user 14 then unfolds each telescopic frame and extends them to their full operational length, where they lock into place with audible clicks or visible locking mechanisms.

Next, the user 14 arranges the base frames 72 on the ground in the desired configuration (A-Frame, Pyramid, Hoop, or Dome) based on the terrain and environmental conditions. The user 14 then attaches the extending frames 74 to the base frames 72 using the edge connectors 82. The top supporting frames 76 are then connected to the upper ends of the extending frames 74, completing the structural skeleton of the shelter. For stability, the user 14 may secure the base frames 72 to the ground using stakes or weights included in the shelter kit 60.

Once the frame assembly 70 is erected, the user 14 unfolds the first sheet 84 (outer sheet) and drapes it over the frame assembly 70. The first sheet 84 features reinforced attachment points (not shown) that align with specific locations on the frame assembly 70. The attachment points include sewn-in loops, grommets, and toggle attachments positioned along the edges, corners, and ridge lines of the first sheet 84. The user 14 secures these attachment points to the frame using toggles, clips, or hook-and-loop fasteners integrated into the first sheet 84. The first sheet 84 also includes adjustable tension straps at strategic locations that allow the user to tighten the sheet against the frame for optimal water runoff and wind resistance.

The shelter structure 96 requires secure attachment between the shelter sheets i.e., first sheet 84 and second sheet 86, and the frame assembly 70. In one configuration, the user 14 connects the frame assembly 70 i.e., the base frames 72, the extending frames 74, and the supporting frame 76 directly to the first sheet 84 (outer sheet) while the second sheet 86 (inner sheet) hangs beneath the first sheet 84, creating a protective double-layer arrangement as partially illustrated in FIG. 7. The second sheet 86 attaches to the interior of the frame assembly 70 using a series of clips, hooks, or toggle attachments that are positioned to correspond with matching attachment points on the frame assembly 70. The interior attachment points are designed to maintain proper spacing between the first and second sheets, creating an insulating air gap. The second sheet 86 also features adjustable hanging points at the ceiling area that can be tightened or loosened to adjust the interior height and tension. Here, the base frames 72, the extending frames 74, and the supporting frame 76 form the structural skeleton to which the first sheet 84 attaches at multiple connection points. In this scenario, the first sheet 84 may feature specialized frame receiving sections (sleeves or channels) along its edges that allow the user to insert the base frames 72, extending frames 74, and top supporting frames 76 through them, creating the completed shelter structure 96. The frame receiving sections are reinforced with durable material to prevent tearing and include closures (such as hook-and-loop fasteners or toggles) to secure the frames within the sleeves. This design allows the user 14 to quickly establish a protective environment while awaiting rescue, maintaining body temperature and shielding against precipitation, wind, and other environmental hazards. Alternatively, the user 14 clips the base frames 72, the extending frames 74, and the supporting frame 76 to the second sheet 86 first, then position the first sheet 84 over this assembly. In this alternative configuration, the second sheet 86 includes reinforced clip attachments or webbing loops at regular intervals that securely grip the frame components, while the first sheet 84 includes corresponding attachment points that connect to either the frame or the second sheet's exterior attachment points.

Optionally, the shelter structure 96 may include a groundsheet (not shown). The groundsheet functions as a waterproof barrier between the inside of the shelter structure 96 and the cold, wet ground. In some implementations, the groundsheet is integrated with the walls, i.e., the first sheet 84 or second sheet 86, eliminating any gaps that might allow drafts, insects, snakes, scorpions, or other crawling creatures to enter.

The PFD 12 represents a significant advancement in maritime safety equipment by seamlessly integrating life-saving flotation capabilities with emergency shelter features. During catastrophic flooding events, typhoons, or similar emergency situations where individuals may be stranded in water, the user 14 wears the PFD 12 by inserting his or her arms 16 through the armholes 32, 34. The user 14 securely fastens the PFD 12 using the front fastening means 38, and adjusts the front adjustment straps 40 with the corresponding buckle members 41 to ensure a snug, customized fit that prevents the PFD 12 from shifting during water immersion. The body 20 incorporates specialized buoyant materials such as closed-cell PVC foam or ethyl vinyl acetate that provide exceptional flotation properties, keeping the user 14 safely afloat in turbulent water emergencies while maintaining flexibility for comfortable movement. When the user 14 reaches relatively stable ground or a secure location after evacuation from flooded areas, the user 14 can easily detach the shelter kit 60 from the shelter kit connecting members 50 by releasing the attachment members 52, transforming the flotation device into an emergency shelter system. The waterproof and impact-resistant container 62 houses the complete frame assembly 70 and shelter structure 96. The user 14 establishes the emergency shelter by extending the telescopic base frames 72, extending frames 74, and top supporting frames 76 to their full operational length. The user 14 interconnects the base frames 72, extending frames 74, and top supporting frames 76 using the edge connectors 82, allowing for the construction of various shelter configurations such as A-Frame, Pyramid, Hoop, or Dome shapes depending on environmental conditions, available space, and specific protection requirements.

The shelter structure 96 provides comprehensive protection for the user 14 against extreme environmental conditions through its multi-layer design. The waterproof and weatherproof first sheet 84 functions as the primary defensive barrier, repelling precipitation ranging from light rain to heavy downpours while simultaneously blocking wind gusts that could otherwise cause rapid body heat loss. The first sheet 84 may feature sealed seams and water-resistant coatings that prevent moisture penetration even during prolonged exposure to severe weather conditions. The second sheet 86, positioned beneath the first sheet 84, serves as the living quarters where the user 14 can rest, recover, and await rescue operations. The inner layer may incorporate mesh panels that facilitate essential air circulation and ventilation while maintaining an impenetrable barrier against insects, debris, and other environmental contaminants. The shelter structure 96 effectively preserves the user's body heat by creating a microclimate within the enclosed space that remains substantially warmer than the external environment, preventing hypothermia during extended rescue operations in cold or wet conditions.

Even after deploying the shelter structure 96, the PFD 12 continues to function as an effective life jacket. The user 14 can wear the body 20 of the PFD 12 either inside the shelter structure 96 during rest periods or when venturing outside the shelter structure 96 for signaling, gathering resources, or relocating if necessary. This dual functionality ensures that the PFD 12 provides continuous flotation assistance if users unexpectedly encounter rising water levels or fall into water again during the emergency situation.

The above-described PFD may be provided as a new life jacket with an integrated removable shelter kit. In some aspects, the shelter kit may be provided separately, allowing it to be attached to existing life jackets and converting them into multifunctional PFDs. The shelter kit may include attachment mechanisms compatible with various life jacket designs, enabling users to upgrade their current flotation devices with emergency shelter capabilities. This modular approach may allow for retrofitting of existing life jackets, potentially expanding the availability of this safety enhancement to a wider range of users. The shelter kit may be designed with universal attachment points that adapt to different life jacket styles and brands, ensuring compatibility across various models. In some cases, the shelter kit may come with instructions and additional hardware for securely attaching it to different types of life jackets, allowing the users to customize their existing flotation devices with the shelter functionality. All such modifications and adaptations fall within the scope of the present invention.

The Personal Flotation Device (PFD) may be marketed as a “Life Jacket Shelter”.

FIG. 8 shows a block diagram of a Personal Flotation Device (PFD) 100, in accordance with one embodiment of the present invention. Here, the PFD 100 includes all the components, and operates similar to PFD 12 explained above. The PFD 100 integrates several components including an identification code module 102, an alerting device 104, a flashlight 106, a location sensor 108, an SOS button 110, and a battery 111. The battery 111 powers the identification code module 102, alerting device 104, flashlight 106, location sensor 108, and SOS button 110. The identification code module 102 contains a bar code or quick-response (QR) code that stores critical user information such as medical requirements, emergency contacts, and identification details. The identification code module 102 enables rescue personnel to quickly identify the user of the PFD 100 who may be unable to communicate during emergency situations. The alerting device 104 provides warning signals through multiple channels, including audible alarms and visual indicators, to assist in locating the user 14 during emergency situations with limited visibility.

The flashlight 106 offers illumination capabilities with multiple operational modes to assist the user 14 in navigating hazardous environments and serves as a signaling device visible to rescue teams from considerable distances.

The location sensor 108 utilizes positioning technology such as Global Positioning System (GPS) to track the precise location of the PFD 100. The location sensor 108 provides positional data that allows rescuers to locate the user 14 even in challenging environmental conditions.

The PFD 100 incorporates a compact, integrated device that houses the identification code module 102, alerting device 104, flashlight 106, location sensor 108, and SOS button 110. The integrated device, distinct from the electronic device 112, is seamlessly woven into the fabric of the PFD 100, providing protection against water and environmental factors. The integrated device remains continuously active once the user's account is activated on the application operated by a service provider, relying on the battery 111 for persistent operation.

The user 14 may use the electronic device 112 to scan the details of the PFD 100 such that the details of the unique identification code of the PFD 100, location, etc., may be transmitted to a processing server 116 via a communication network 114. Here, the electronic device 112 can interface with the identification code module 102 to retrieve user information and/or the PFD 100 information and relay the data through the communication network 114. The processing server 116 receives and processes information from the PFD 100, including distress signals, location data, and user identification details.

The processing server 116 coordinates with Rescuers or Police 118, providing them with comprehensive information to facilitate efficient rescue operations. The communication network 114 establishes reliable connections between all system components, ensuring that the information flows seamlessly from the PFD 100 to rescue personnel, even during adverse conditions when conventional communication systems may be compromised.

During emergency situations, the alerting device 104, flashlight module 106, and location sensor 108 work in concert to transmit comprehensive data through the communication network 114 to the processing server 116. This integrated approach ensures that rescue teams receive not only distress signals but also precise location information and movement patterns, significantly enhancing rescue efficiency in complex environments.

In some cases, the PFD 100 is configured to establish direct communication channels with Rescuers or Police 118, bypassing congested emergency communication systems during large-scale disasters. This direct digital link from the PFD 100 wearer to emergency response teams optimizes response times and resource allocation during critical rescue operations.

In emergency situations, the user 14 can activate the PFD 100 by pressing the SOS button 110, triggering a series of emergency functions. These emergency functions include: activating the alerting device 104 to emit audible and visual distress signals at predetermined intervals; automatically initiating the flashlight 106 in an emergency strobe pattern visible from long distances; increasing the frequency of location data transmission from the location sensor 108 to provide real-time tracking; transmitting pre-recorded emergency messages containing user medical information stored in the identification code module 102; initiating power conservation protocols to extend battery life during prolonged rescue operations; and activating backup communication channels when primary networks are unavailable. When the SOS button 110 is pressed, the SOS button 110 may activate an unmanned aerial vehicle (UAV) or drone (not shown) that autonomously navigates to the user's location. The UAV captures real-time footage of the emergency situation and transmits it directly to rescue teams, enabling them to accurately assess the situation and deploy appropriate resources. The visual confirmation provided by the UAV offers psychological reassurance to the person in danger, confirming that their distress signal has been received and help is on the way. This feature significantly improves rescue efficiency by eliminating time-consuming search operations, allowing rescue teams to navigate directly to the exact location of the emergency. The PFD 100 packages all this data with user identification information from the identification code module 102 and transmits it through all available communication channels. By transforming traditional search missions into targeted rescue operations, the PFD 100 substantially reduces response times and conserves valuable resources, ensuring that critical assistance reaches those in need precisely when and where it's required.

In one embodiment, the PFD 100 may incorporate an Artificial Intelligence (AI) powered tracking system (not shown) that enhances location prediction capabilities during emergency situations. The AI-powered tracking system may operate through a downloadable software application or may be provided as an integrated component with the PFD 100. The AI-powered tracking system may combine the last known GPS location from the location sensor 108 with environmental data including wind direction, current speed, tide information, and weather conditions to predict drift patterns and probable coordinates.

The AI-powered tracking system may maintain predictive capabilities even when the PFD 100 is offline or when communication networks are compromised. The AI-powered tracking system may utilize stored environmental data and algorithms to generate dynamic maps showing predicted movement paths and estimated current locations. This offline prediction capability may ensure that safety tracking continues independently of continuous connectivity. The AI-powered tracking system may transmit predictive coordinate data to the processing server 116 when communication is restored, enabling rescue personnel to focus search efforts on the most probable locations rather than conducting broad area searches.

FIG. 9 shows a flowchart of a method 200 for user registration, in accordance with one embodiment of the present invention. The method 200 starts when users open a registration application on their electronic device in step 202. In one example, the users of the PFD registers with a processing server (i.e., the processing server 116 shown in FIG. 8) before starting their trip. In step 204, the users provide personal information including their name, contact information, emergency contacts, medical conditions, allergies, blood type, and special needs that would help during rescue. At step 206, the processing server 116 checks if all required information is received and correctly formatted. If information is missing or wrong, the processing server 116 prompts the user to provide correct information. If all information passes checks, the processing server 116 moves to step 208 where it generates a user profile with a unique identification code linked to the specific personal flotation device's serial number. This profile uses encryption to protect private data while letting rescue teams access it when needed. In step 210, the processing server 116 adds the user profile to the secure central registry that rescue teams can quickly access during emergencies. The secure central registry stores the user profile on multiple backup servers to ensure it works even if main systems fail during disasters. At step 212, the registration concludes with confirmation sent to the user by email, text message, and application notification, and the PFD device activates and links to the user's profile.

FIG. 10 illustrates a flowchart of a method 300 for emergency rescue, in accordance with one embodiment of the present invention. The method 300 begins when the processing server 116 detects an emergency situation through either manual activation of the Save Our Ship (SOS) button by the user or automatic triggering by water immersion sensors (not shown) embedded in the PFD, in step 302. The PFD immediately transmits emergency signals through multiple redundant communication channels including satellite, cellular, and radio frequencies. The PFD searches for and connects to nearby cellular towers, switching between networks to maintain the strongest signal. If cellular coverage fails, the PFD uses satellite connectivity as backup. In step 304, the processing server 116 securely accesses the user registry to retrieve their profile information, prioritizing medical details and emergency contacts. In step 306, the processing server 116 employs a multi-technology approach to determine the user's precise location, combining data from Global Positioning System (GPS), cellular network triangulation, Wi-Fi positioning, and last known location history. The processing server 116 constantly improves location accuracy by combining data sources and calculating effects of water currents and weather. At step 308, if the processing server 116 cannot find the exact location, the processing server 116 continuously attempts location determination while simultaneously alerting nearby rescue assets to begin preliminary search patterns.

When the processing server 116 pinpoints the user's location, the method 300 moves to step 310 where the processing server 116 dispatches the most appropriate rescue team based on proximity, equipment capabilities, and the specific nature of the emergency. The processing server 116 provides rescuers with real-time navigation guidance, environmental conditions, and the user's complete medical profile to prepare appropriate interventions. In step 314, the rescue personnel execute the rescue operation using the information provided by the processing server 116, including approach vectors, medical preparations, and specific user identification details. The method 300 concludes with step 316, where the processing server 116 updates the user's status in the secure central registry, creating a detailed record of the rescue operation including timestamps, rescue team identification, medical interventions performed, vital signs recorded during rescue, transport destination, and the user's current condition and location. This information remains accessible to authorized medical personnel and emergency contacts through secure channels.

The personal flotation device (PFD) with integrated shelter represents a transformative innovation in maritime safety equipment, seamlessly integrating traditional flotation capabilities with emergency shelter features and advanced tracking technology. The PFD adapts to dynamic rescue scenarios during floods, typhoons, and other water-related emergencies. The PFD with integrated shelter provides advantages by offering enhanced safety and survival capabilities in situations where users may be stranded for extended periods before rescue. The PFD's unique transformation capability allows for swift conversion from a flotation device to an emergency shelter with minimal effort. The PFD comprises the shelter kit that attaches securely to the body via the shelter kit connecting members. This enhances user convenience without compromising safety features or buoyancy. The user can easily detach the shelter kit from the shelter kit connecting members by releasing the attachment members. The shelter structure is deployed to stay protected from harsh weather conditions.

Further, the PFD with integrated shelter enables rescue teams to reach survivors more quickly while the shelter structure protects users from environmental exposure, thereby improving their physical condition upon rescue by preventing hypothermia and other exposure-related conditions. In some cases, the user may mark themselves to be safe using the electronic device. This enables the rescue to focus on rescuing other users of PFD enhancing the number of lives saved during the extreme weather events. The presently disclosed PFD eliminates the need for separate flotation and shelter, providing a comprehensive safety system in a single product. The body provides flotation while the shelter kit offers protection from environmental conditions. The PFD is suitable for use in diverse settings from open water to flood zones.

The trackable, wearable, and transformable PFD with integrated shelter represents a significant advancement in maritime safety technology, potentially revolutionizing search and rescue operations and improving outcomes for individuals in water-related emergencies and disaster scenarios.

The personal flotation device with integrated shelter system offers a major improvement in safety equipment for water emergencies. Distributing the PFDs requires careful planning to help people during floods and other disasters. For example, local authorities can place PFDs in high-risk flood areas based on weather data and flood history. The local authorities can store the PFDs in schools, government buildings, and community centers that stay accessible during early flooding. Optionally, when bad weather approaches, the local authorities can hand out PFDs door-to-door in vulnerable neighborhoods.

Helicopters and UAVs (drones) can drop PFDs to people trapped by rising water. Helicopters and UAVs may use GPS to deliver the PFDs accurately, and the containers protect the shelter components during drops.

Boats in flood-prone areas may carry PFDs for all passengers. The boats may have special storage areas with clear signs and lighting to help people find and use the PFDs quickly. Further, special vehicles may drive through shallow water to deliver the PFDs to flooded areas. Optionally, rescue teams may carry extra PFDs in their boats and vehicles.

A person skilled in the art appreciates that the PFD can come in a variety of shapes and sizes depending on the need and comfort of the user. Further, many changes in the design and placement of components may take place without deviating from the scope of the presently disclosed PFD.

In the above description, numerous specific details are set forth such as examples of some embodiments, specific components, devices, and methods, in order to provide a thorough understanding of embodiments of the present invention. It will be apparent to a person of ordinary skill in the art that these specific details need not be employed, and should not be construed to limit the scope of the invention.

In the development of any actual implementation, numerous implementation-specific decisions must be made to achieve the developer's specific goals, such as compliance with system-related and business-related constraints. Such a development effort might be complex and time-consuming, but may nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill. Hence as various changes could be made in the above constructions without departing from the scope of the invention, it is intended that all matter contained in the above description or shown in the accompanying drawings should be interpreted as illustrative and not in a limiting sense.

The foregoing description of embodiments is provided to enable any person skilled in the art to make and use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the novel principles and invention disclosed herein may be applied to other embodiments without the use of the innovative faculty. It is contemplated that additional embodiments are within the spirit and true scope of the disclosed invention.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.