REFRIGERANT COMPRESSOR INCLUDING DIFFUSER WITH QUARTER WAVE TUBES

ACOUSTIC METASURFACE WITH APERTURE SWITCHING MODULARITY

PASSIVE METAMATERIALS-BASED ACOUSTIC SOUND SUPPRESSION MODULES FOR SERVERS

BLOWER

MUFFLERS FOR REFRIGERANT COMPRESSORS

AIR GUIDE RING AND AXIAL FLOW FAN COMPRISING SAME

BLOWER TOOL AND RESONATOR DEVICE

DEBRIS BLOWER WITH SOUND ATTENUATION RESONATOR

Techniques For Guiding Perspiration To Desired Channels To Avoid Negative Impacts To Electrical And Mechanical Functions Of Extended-Reality Devices, And Systems And Methods Of Use Thereof

TECHNIQUES FOR AVOIDING NEGATIVE AUDIO PERFORMANCE VARIATIONS IN EXTENDED-REALITY DEVICES, AND MIXED-REALITY SYSTEMS AND METHODS OF USING THESE TECHNIQUES

NOISE REDUCTION FOR AIR FLOW DEVICES

COMPRESSOR ASSEMBLY WITH A SILENCER

COVER, FAN UNIT, AND VENTILATION FAN

DEBRIS BLOWER WITH SOUND ATTENUATION RESONATOR

AIR WARMER

Fan Apparatus and Electronic Device

Centrifugal compressor with reverse overhung volute

Noise reduction for air flow devices

ATTENUATOR FOR NOISE GENERATED BY A CENTRIFUGAL PUMP

SILENCING DEVICE AND REFRIGERATOR

AXIAL FAN

ELECTRICALLY DRIVEN DUCTED FAN ENGINE

NOISE REDUCTION STRUCTURE FOR VENTILATION TREATMENT DEVICE AND VENTILATION TREATMENT DEVICE

Centrifugal compressor with reverse overhung volute

COMPRESSOR

Blower with silencer and moving object with propeller

Blower with silencer

Method and system for changing a flow rate of air out of a duct in a HVAC system

TURBOCHARGER

Noise reduction device for outlet side of fan and heat exchange system including the same

FAN SILENCING SYSTEM

Blower with silencer

Turbocharger having adjustable-trim centrifugal compressor including air inlet wall having cavities for suppression of noise and flow fluctuations

Fan casing for an aircraft turbomachine directly incorporating abradable portions and having acoustic properties

Acoustic liner with non-uniform volumetric distribution

BLOWER FOR RESPIRATOR DEVICE

TURBOCHARGER HAVING ADJUSTABLE-TRIM CENTRIFUGAL COMPRESSOR INCLUDING AIR INLET WALL HAVING CAVITIES FOR SUPPRESSION OF NOISE AND FLOW FLUCTUATIONS

System for reducing interference noise of rotor and stator blades, and flight vehicle

Fan frame

Acoustic panel for a nacelle of an aircraft propulsion unit, and related manufacturing methods

Inline axial flow fan

Modular low-noise motor

Electronic device having a fan

Ventilation fan

Method and system for changing a flow rate of air out of a duct in a HVAC system

Aircraft propulsion system assembly including one or more acoustic panels

Axial outlet centrifugal-type blower device with noise reducing space

Rotor blade noise reduction system, flying object and noise reduction system

AIRFLOW GENERATOR

Noise reduction apparatus and jet fan

Turbocharger with a wastegate noise reduction device

Fan

Fan module

Motor module and vacuum cleaner

MOTOR MODULE AND VACUUM CLEANER

MOTOR MODULE AND VACUUM CLEANER

AXIAL FLUX MOTOR, FAN ASSEMBLY AND ASSOCIATED METHOD

Turbomachine vane comprising an electroacoustic source with improved assembly mode, row of outlet guide vanes and turbomachine comprising such a vane

Blower apparatus

Blower noise suppressor

Inlet bleed heat system for use in a turbine engine

Noise suppression systems

Vehicle heater

Conduit connection assembly

Gas turbine blade flutter monitoring and control system

Vehicle silencer

Vaned Diffuser and Blower, Fluid Machine, or Electric Blower Provided with Same

Blower assembly having resonators and resonator assembly

Acoustic damper with resonator members arranged in-parallel

Apparatus including heat exchanger and sound attenuator for gas turbine engine

Noise reduction structure and supercharging device

Fan control system

Series fan inclination structure

Vehicle silencer

Centrifugal fan structure

Inlet nozzle for a radial, diagonal or axial-flow fan, and a radial, diagonal or axial-flow fan comprising an inlet nozzle

CENTRIFUGAL FAN MODULE

Airfoil structure having a shape memory alloy actuator

Supersonic single-stage turbofan engine

Pulsation damper for compressors

Device and method for gas turbine unlocking

Two-way flow control device, associated systems and methods

Ported shroud geometry to reduce blade-pass noise

Noise suppression systems

Side channel blower, especially for a vehicle heater

Vane-axial fan with a fan housing and shroud having an integral acoustic treatment including a micro-perforated panel and a plurality of compartments in an annular backspace formed by a plurality of shrouds

Acoustic resonator assembly having variable degrees of freedom

Air warmer

Acoustic attenuation panel for a turbojet engine nacelle

NOISE REDUCTION STRUCTURE OF SUPERCHARGER

Fan noise reduction using an adaptive helmholtz chamber

Fan motor

Noise suppression apparatus and fan module using the same

Blower

Fluid machine

Compressor housing

Compressor recirculation system having compressor inlet recirculation duct configured to reduce noise from Rossiter excitation and cavity acoustic resonance

Supercharger outlet resonator

System and method of alleviating blade flutter

Nacelle core with insert

Storage system with noise reduction

Fan

Turbocharger compressor noise reduction system and method

Muffler and muffling device including the same

Active damping of oscillations in a control process

Turbocharger compressor noise reduction system and method

Noise suppression system

Noise reflector for a compressor of a turbomachine

Centrifugal compressor and water chilling unit having the same

Noise reduction diffuser for an electric blower

Acoustic resonator assembly having variable degrees of freedom

Suction device with sound mirror device

Fan including at least one cover element

Bleed valve resonance augmentations

Bleed valve resonator drain

Fluid flow apparatus, fan assembly and associated method

System and methods for reducing noise in an air moving system

Blower device

Fan frame and fan assembly with silencing structures

Systems and methods for providing low-noise positive airway pressure

Turbocharger compressor noise reduction system and method

Blower for Motor Vehicle

Compressor system with resonator

Structure for reducing noise of ventilating fan

Methods and systems for active sound attenuation in a fan unit

Blower and method for decreasing eddy noise

Air conditioner

Air conditioner

Air diffuser for vacuum fan of planters

Housing of a centrifugal blower

Blower

Fan inlet air handling apparatus and methods

Arrangement with a vacuum pump and method of compensating magnetic field produced by magnetic interference field of at least one vacuum pump component

Acoustic resonators for compressors

Propeller sound field modification systems and methods

Device and method for gas turbine unlocking

Centrifugal compressor

Devices and methods for reducing noise in a blower housing

Portable positive airway pressure apparatus and method for attenuating the noise emitted therefrom

Noise suppression systems

Noise suppression system

HVAC system with noise reducing tube

Air inlet silencer for turbomachines

Blower assembly for hand dryer, with helmholtz motor mount

Cooling fan module

Fan noise and vibration elimination system

Centrifugal compressor

Method and apparatus for independently varying airflow and noise generation of a fan

Resonator silencer for a radial flow machine, in particular for a radial compressor

Turbocharger compressor noise reduction system and method

Fan

Fan

Fan

Modular discharge silencer for vehicle-mounted compressor

Cross flow fan and indoor unit of air-conditioning apparatus

Method for forming a blower wheel having longitudinally inclined blades

Apparatus for forming a blower wheel having longitudinally inclined blades

FAN MODULES AND SERVER EQUIPMENT

Methods and systems for active sound attenuation in a fan unit

Blower

Cross-flow fan, molding die, and fluid feeder

Apparatus for the regulated supply of a gas, in particular an assisted breathing apparatus

Blower arrangement

Compressor of an exhaust-gas turbocharger

ELECTRIC BLOWER AND ELECTRIC VACUUM CLEANER UTILIZING THE SAME

Turbo machine and method to reduce vibration in turbo machines

Methods and systems for active sound attenuation in an air handling unit

Fan unit with bypass vent holes

NOISE REDUCTION DEVICES FOR BLOWERS

CROSS-FLOW FAN, BLOWER AND MOLDING MACHINE FOR IMPELLER

Quiet system cooling using coupled optimization between integrated micro porous absorbers and rotors

Radial Compressor

COMPRESSOR HOUSING FOR TURBOCHARGER

Sound attentuator

COMPUTER FAN CONTROL SYSTEM

CENTRIFUGAL FAN AND NOISE REDUCTION METHOD IN CENTRIFUGAL FAN

Noise attenuation device for a centrifugal compressor discharge or suction nozzle

Broadband noise resonator

Refrigerator with noise reduction structure using inverse phase sound wave

Compressor device

COMPRESSOR STABILIZER

Noise reduction device

Compressor for an exhaust gas turbocharger

Dipole flow driven resonators for fan noise mitigation

Centrifugal compressor

Electronic device having a blower with noise control

Diaphragm Muffler and Method of Use

Airfoil acoustic impedance control

Acoustic damper integrated to a compressor housing

Centrifugal blower

Fan powered silencing terminal unit

Ventilation System With Sound Barrier

Device for silencing a helicopter gas turbine engine and engine thus obtained

Device for turbocharging an internal combusting engine comprising a pulsation damping chamber

Acoustic apparatus

Silencer for adsorption-based gas separation systems

Vacuum cleaner

Silencing device

Architecture for an acoustic liner

Fan noise control apparatus

Motor assembly and vacuum cleaner having the same

Acoustic liner with nonuniform impedance

Blower fan and working machine provided with the same

Mutual active cancellation of fan noise and vibration

Centrifugal fan with resonant silencer

Vortex blower having helmholtz resonators and a baffle assembly

Blower muffler and vibration isolation

Centrifugal blower with sound absorption structure for automotive HVAC systems

Acoustic dampers for life support systems

Noise cancellation of a domestic appliance using a motor control

System and method for fan noise canceller