71953 ⎘
Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft; Blades Aerodynamic features
Ultra-Wide-Chord Propeller Including Varying Blade Angle
#2METHOD AND SYSTEM FOR ENHANCING PROPULSION EFFICIENCY OF ROTATING AERO AND HYDRO DYNAMIC BLADES THROUGH VORTEX-INDUCED FLOW MODIFICATION
#3AIRCRAFT WITH AN UNDUCTED FAN PROPULSOR
#4AIRCRAFT WITH AN UNDUCTED FAN PROPULSOR
#5AIRCRAFT WITH AN UNDUCTED FAN PROPULSOR
#6AIRCRAFT WITH AN UNDUCTED FAN PROPULSOR
#7AIRCRAFT WITH AN UNDUCTED FAN PROPULSOR
#8PROPELLER FOR AN AIRCRAFT TURBINE ENGINE
#9PROPELLER
#10PROPULSOR ASSEMBLY WITH TEETER MECHANISM
#11Aircraft With Transonic Rotor
#12Method and System for Inverse-Tapered High-Speed Rotors
#13IMPROVED PROPELLER
#14BLADE FOR AN UNDUCTED FAN OF A TURBOMACHINE
#15ELECTRIC PROPULSION DEVICE
#16Airfoils and Machines Incorporating Airfoils
#17Propeller with Unloaded Tip Zone and Method
#18UNDUCTED THRUST PRODUCING SYSTEM ARCHITECTURE
#19PROPELLER
#20Duct arrangement and method
#21Ultra-Wide-Chord Propeller
#22ROTORCRAFT
#23AIRCRAFT GENERATING LARGER THRUST AND LIFT BY FLUID CONTINUITY
#24Airfoil Superstructure
#25COMPOUND HELICOPTER
#26Method For Controlling Vertical Take-Off And Landing Aircraft Using Different Propeller Blade Angle Of Attack Ranges For Different Flight Modes
#27Gas turbine engine with third stream
#28Gas turbine engine with third stream
#29Induced autorotation rotating wing
#30Airfoils and machines incorporating airfoils
#31Propeller
#32ROTOR BLADE NOZZLE GENERATING AIR PRESSURE SYSTEM
#33Aero wind power generation apparatus
#34Profiled structure for an aircraft or turbomachine for an aircraft
#35Inlet for unducted propulsion system
#36Disc-type vertical take-off and landing aircraft
#37Airfoils and machines incorporating airfoils
#38Propeller blade having an end plate
#39Propeller-driven helicopter or airplane
#40Rotary airfoil with reduced acoustic output
#41An Electromagnetically-Actuated Rim Driven Hubless Fan with a Single Stage and Non-Magnetic Bearings
#42Propeller with unloaded tip zone and method
#43Bistable pitch propeller system with bidirectional propeller rotation
#44Propeller
#45Foils with serrations
#46Method and system for determining helicopter rotor airfoil
#47Rotary airfoil and design therefore
#48Propeller and propeller blade
#49Propeller
#50Ultra-wide-chord propeller
#51Systems and methods for improved propeller design
#52FILTRATION APPARATUS AND METHOD
#53Ultra-quiet propeller system
#54Compressor stator
#55ELLIPTICAL WING TIP AND METHOD OF FABRICATING SAME
#56Profiled structure and associated turbomachine
#57Airfoils and machines incorporating airfoils
#58Active sail blade
#59Bistable pitch propeller system with bidirectional propeller rotation
#60ROTARY AIRFOIL AND DESIGN METHOD THEREFOR
#61Ducted fan, multicopter, vertical take-off and landing aircraft, CPU-cooling fan, and radiator-cooling fan
#62Unducted thrust producing system architecture
#63Unducted thrust producing system
#64Aerodynamic Regulation of Airscrew-, Fan- and Wind Turbine Blades with Bores and/or Cutting and/or Notching
#65FLUID-REDIRECTING STRUCTURE
#66Profiled structure for an aircraft or turbomachine for an aircraft
#67Ducted rotor blade tip extension
#68Ducted rotor blade tip extension
#69Advanced propeller assemblies
#70Aerodynamic Regulation of Airscrew-, Fan- and Wind Turbine Blades with Bores and/or Cutting and/or Notching
#71System and method for airspeed determination
#72Propeller blade
#73Method of improving a blade so as to increase its negative stall angle of attack
#74Rotor or propeller blade with dynamically variable within each revolution fluid dynamic properties
#75Airfoil for a rotary machine including a propellor assembly
#76Propeller blade-tip flow isolator
#77Aircraft generating larger thrust and lift by fluid continuity
#78Systems and methods for reducing the propeller noise
#79PROPELLER ASSEMBLY
#80Composite aircraft propeller blade with an integrated spar
#81Composite fan blades with integral attachment mechanism
#82Wing tip with optimum loading
#83Airfoils and machines incorporating airfoils
#84Thick airfoil shapes for blade necks and for blade cuff fairings for an aircraft rotor
#85Combined fan and motor
#86Redundant Aircraft Propulsion System Using Co-rotating Propellers Joined By Tip Connectors
#87Systems and methods for improved propeller design
#88Aero/Hydro-dynamically Balanced Passively Varying Pitch Propeller
#89Unducted thrust producing system
#90Toroidal propeller
#91Aerofoil with leading edge slits
#92Wing or blade design for wingtip device, rotor, propeller, turbine, and compressor blades with energy regeneration
#93DOUBLE PITCH ANGLE PROPELLERS
#94Low-noise airfoil for an open rotor
#95Protection of propeller components
#96Open rotor and airfoil therefor
#97Method and apparatus to improve lift to drag ratio of a rotor blade
#98Drive system for a vehicle
#99Apparatus and method for interaction with a fluid
#100Propulsion device
#101Combined fan and motor
#102Propeller blade indentations for improved aerodynamic performance and sound control
#103Propulsor
#104Propeller
#105Rotor blade having variable twist
#106Aerial Vehicle and Propeller Thereof
#107Propeller
#108Inflatable propeller
#109Quiet slat propeller
#110Biomimetic airfoil bodies and methods of designing and making same
#111Bistable pitch propeller system with bidirectional propeller rotation
#112Turbomachine with multi-diameter propeller
#113Air wheel rotor, a gyro stabilized aircraft and a wind-driven power generator using the air wheel rotor, and a stationary launching device
#114Rotor or propeller blade with dynamically variable geometry and other properties
#115Method for modeling a blade of a non-ducted propeller
#116Structure with rigid projections adapted to traverse a fluid environment
#117Aerial vehicle adaptable propeller blades
#118Propeller
#119Aerofoil
#120Fluid-redirecting structure
#121Structure with rigid winglet adapted to traverse a fluid environment
#122Motor and propeller thrust generating device
#123Propeller rotor for a vertical take off and landing aircraft
#124Redundant aircraft propulsion system using multiple motors per drive shaft
#125Redundant aircraft propulsion system using co-rotating propellers joined by tip connectors
#126Propeller blade trailing edge fringes for improved sound control
#127Propeller blade leading edge serrations for improved sound control
#128Propeller blade indentations for improved aerodynamic performance and sound control
#129Device for fixing blades with variable pitch of a non-streamlined turbomachine propeller
#130Airfoil for a rotary machine including a propellor assembly
#131AIRFOIL FOR A ROTARY MACHINE INCLUDING A PROPELLOR ASSEMBLY
#132Wing tip with optimum loading
#133High pitch stall resisting propeller
#134Blade flow deflector
#135Aircraft and method of countering aerodynamic effects of propeller wake
#136Blade for a turbine engine propeller, in particular a propfan engine, propeller, and turbine engine comprising such a blade
#137Resonant blades using an aperture for cancellation of propeller generated noise
#138QUIET SLAT PROPELLER
#139Method for modeling a non-streamlined propeller blade
#140Aircraft turboprop engine comprising two coaxial propellers
#141Propeller
#142Rotor blade of a wind turbine and wind turbine
#143Aircraft turbopropeller
#144Vane assembly for an unducted thrust producing system
#145Propeller blade
#146Propeller blade for a turbomachine
#147Unducted thrust producing system architecture
#148Unducted thrust producing system
#149Fluidfoil fence
#150Boundary layer ingesting blade
#151Differential blade design for propeller noise reduction
#152Blade for a helicopter anti-torque device
#153Rotational annular airscrew with integrated acoustic arrester
#154Helicopter and aircraft power device
#155Blade for a fan of a turbomachine, notably of the unducted fan type, corresponding fan and corresponding turbomachine
#156ROTOR BLADE
#157Fluidfoil
#158Propulsion device having unducted counter-rotating and coaxial rotors
#159Propeller for an aircraft engine comprising means for reducing noise at middle and high frequencies and improving the acoustic perception
#160High efficiency propeller blade with increased pressure side surface
#161Airfoils for use in rotary machines
#162Airfoils including tip profile for noise reduction and method for fabricating same
#163PROPELLER / TURBINE BLADE POWER CHANNEL
#164PROPELLER BLADE
#165Propeller with reactionary and vacuum faces
#166AIR PROPELLER ARRANGEMENT AND AIRCRAFT
#167Flow guiding device with base having recess for adhesive strip or tape
#168Blade for a helicopter anti-torque device
#169Propulsion device using fluid flow
#170METHOD OF ENHANCING THE OUTPUT EFFICIENCY OF A PROPELLER AND REDUCING THE NOISE THEREOF
#171DRAG REDUCTION THROUGH ION FIELD FLOW CONTROL
#172Fan and propeller performance enhancements using outsized gurney flaps
#173FLUIDFOIL TIP VORTEX DISRUPTION
#174PROPELLER
#175Wing tip with optimum loading
#176Turbomachine having an unducted fan provided with air guide means
#177TURBOMACHINE WITH UNDUCTED PROPELLERS
#178Quiet propeller
#179Rotary wing system with ion field flow control
#180Delta blade propeller apparatus
#181Propeller blade
#182Propeller
#183Propeller and horizontal-axis wind turbine
#184High lift and high strength aerofoil
#185Method for increasing a blade performance (variants)
#186Rotary propeller
#187Linear shock wave absorber
#188Propeller, propeller propulsion system and vessel comprising propulsion system
#189High-efficiency electric torque arm drive for unmanned helicopters
#190Method and system for inverse-tapered high-speed rotors
#191Drone with propeller guard configured as an airfoil
#192Ultra-quiet propeller system
#193Dual blade assembly propeller
#194Noise modulation for unmanned aerial vehicles
#195Propeller design
#196Adjustable propeller blade with sound flaps