BACKPACK BLOWER

RETROFIT FAN ASSEMBLY

CENTRIFUGAL FAN

BALANCE DRUMS AND SYSTEMS FOR MANAGING AXIAL FORCES FOR PUMPS AND RELATED SYSTEMS AND METHODS

IN-SERIES FAN FRAME ASSEMBLY

Blower and Air Conditioner

COMPRESSOR

CENTRIFUGAL FAN

MOTOR DRIVE CONTROL CIRCUIT, PORTABLE FAN CONFIGURED WITH HIGH-SPEED THREE-PHASE MOTOR, AND CONTROL METHOD OF PORTABLE FAN

FAN MOTOR, FAN COMPRISING THE SAME, AND CONTROL METHOD OF FAN MOTOR

LOW-NOISE FAN FOR INFORMATION HANDLING SYSTEMS

CENTRIFUGAL ACCELERATION STABILIZER

USER POSITION-BASED FAN NOISE CONTROL

Fan Speed Control Device

IMPELLER AND DIAGONAL FAN INCLUDING THE SAME

AMBIENT NOISE LEVEL DETECTION

Compressor arrangement, turbocharger, combustion engine, and vehicle

PUMP MONITORING SYSTEM AND METHOD

CONTROL METHOD FOR COMPRESSOR AND COMPRESSOR SYSTEM

ROTATING APPARATUS, MOTOR, AND PUMP

ASSEMBLY FOR COMPENSATING AXIAL FORCES IN A ROTATING FLOW MACHINE AND A MULTI-STAGE CENTRIFUGAL PUMP

Fan speed control device

Modal noise reduction for gas turbine engine

AIR COMPRESSOR

Blower and indoor unit

Centrifugal acceleration stabilizer

SPLITTER AND GUIDE VANE ARRANGEMENT FOR GAS TURBINE ENGINES

Refrigerant compressor including diffuser with grooves

Centrifugal acceleration stabilizer

Fan Assembly and Vacuum Cleaner

Stabilizer channel of a compressor

FAN AND ELECTRIC HAIR DRYER WITH IMPROVED AIR OUTLET PERFORMANCE

PASSIVE FLOW REVERSAL REDUCTION IN COMPRESSOR ASSEMBLY

Cross-flow fan

A RETURN CHANNEL WITH NON-CONSTANT RETURN CHANNEL VANES PITCH AND CENTRIFUGAL TURBOMACHINE INCLUDING SAID RETURN CHANNEL

Fan frame body structure

Fan speed control device

EASILY CLEANABLE WATERPROOF FAN AND HUMIDIFIER USING THE SAME

Method of starting a fan using an open loop starting stage with a decreasing drive signal value

Modal noise reduction for gas turbine engine

Vertical multi-stage pump

Electric powered work machine and method of controlling noise generated by electric powered work machine

Fan control for computing devices

Compressor system

CENTRIFUGAL FAN AND ROTARY ELECTRIC MACHINE

Low Noise High Efficiency Centrifugal Blower

Cleaner and method for setting cleaner

Axial flow fan, air conditioner outdoor unit and air conditioner

Noise reduction method of a ventilator

Respiratory blowing device

Volute assembly and induced draft fan comprising the same

System, apparatus, and method for providing a flow of air

Splitter and guide vane arrangement for gas turbine engines

Blowing system

Multiphase pump

Electric compressor

Method and apparatus for compressor

Cross-flow blower and indoor unit of air-conditioning device equipped with same

Ventilation fan with synchronous butterfly shutter for animal building

Fan control for computing devices

Compressor

ELECTRIC BLOWER, ELECTRIC VACUUM CLEANER, AND HAND DRIER

Fan speed control device

Fan noise-lowering structure

Fan frame body structure

Vertical pump having self-compensating thrust balance device

FAN

Fan frame

Half-spiral housing

Device for controlling the swirl of a fluid flowing in a pipeline

Compressor and turbocharger

FAN DEVICE

Compressor diffuser with diffuser pipes varying in natural vibration frequencies

Fan device

Fan speed control device

Modal noise reduction for gas turbine engine

DUAL-HEAD FAN

Cross flow fan

Centrifugal blower

Method of starting a fan using an open loop starting stage with a decreasing drive signal value

Method and arrangement to minimize noise and excitation of structures due to cavity acoustic modes

Rotary machine

Gas turbine engine having a mistuned stage

TEMPERATURE CONDITIONING UNIT, TEMPERATURE CONDITIONING SYSTEM, AND VEHICLE

Fan housing for reduced noise

Axial fan

Frame structure, fan and motor

Fan shroud

COMPRESSOR IMPELLER AND TURBOCHARGER

Propeller fan

Modular fan unit apparatus and methods

Pump device and terminal member

Turbo air blower having waterproof and damp-proof functions

Blade health inspection using an excitation actuator and vibration sensor

Fan control system

Fan motor

Gas turbine manufacturing method

Stabilizing arrangement for a rotating vertical shaft of a machine, machine and stabilizing method

Low Noise High Efficiency Centrifugal Blower

Zero ripple fan noise suppression

Propeller fan and blower unit

Motor apparatus

Noise reduction system for a blower

Bladed gas turbine rotor

Fan casing assemblies and method of mounting a cooler to a fan casing

Ceiling mounted ventilation fan with illumination

Blower

Blade of cross-flow fan

Centrifugal fan with dual outlets in the same direction and fan frame thereof

Compressor and turbocharger

Active damping of oscillations in a control process

Centrifugal blower unit

Single-phase Motor, Airflow Generating Device, And Electric Apparatus

Cross-flow fan, electronic device including cross-flow fan, and impeller used for cross-flow fan

Multiple stage blowers and volutes therefor

Drive circuit for synchronous motor, synchronous motor driven by drive circuit, air blower including synchronous motor, air conditioner including air blower, and method of driving synchronous motor

AXIAL COMPRESSOR AND USE OF AN AXIAL COMPRESSOR

Multiple stage blowers and volutes therefor

Modal noise reduction for gas turbine engine

LOW NOISE MICRO ENVIRONMENTAL WORKSPACE COMFORT UNIT

Muffler sound-insulation structure

Supercharged internal combustion engine with exhaust-gas turbocharger and method for operating an internal combustion engine of said type

Gas turbine engine having a mistuned stage

Quieter centrifugal blower with suppressed BPF tone

Pump device and terminal member

Fan

TELECOMMUNICATIONS SYSTEM COOLING FAN INCORPORATING A COMPACT VIBRATION ISOLATOR

Fan for a motor vehicle comprising a stator

Series fan assembling structure

Ceiling mounted ventilation fan with illumination

Diffuser pipe for a gas turbine engine and method for manufacturing same

Method and system for synchronously inhibiting subcritical vibrations of magnetic levitation molecular pump rotor

Turbomachine blade

Turbomachine centre blade comprising a curved portion

Fan device attachment structure

HVAC system with noise reducing tube

DEVICE AND METHOD FOR REDUCING VIBRATION IN A COMPRESSOR

SWITCHED RELUCTANCE MOTOR ASSEMBLY

AXIAL-FLOW FAN

Blower wheel

Motor and pump assembly for mounting in a vehicle seat

Ceiling mounted ventilation fan with illumination

Method and equipment for detecting rotating stall and compressor

Multiblade centrifugal fan and air conditioner equipped with the same

Counter-torque device for a helicopter

Fluid-flow machine

ELECTRONIC DEVICE COOLING FAN TESTING

Radial or diagonal fan wheel

Vacuum pump

COMPUTER FAN CONTROL SYSTEM

Air conditioning device for vehicle seats

Blade row of axial flow type compressor

Sealing device for rotary fluid machine, and rotary fluid machine

ELECTRICALLY PROPELLED VEHICLE HAVING ELECTRIC SOUND-PRODUCING BLOWER/COOLER

Reduction of flow-induced noise in a centrifugal blower

AXIAL FLOW FLUID DEVICE

CENTRIFUGAL IMPELLER

Air compressor

Electronic device having a blower with noise control

Counter-torque device for a helicopter

HOUSING, FAN DEVICE, MOLD AND METHOD

Fan housing with noise-reducing structure

AXIAL-FLOW FAN

Air conditioning equipment, fan equipment, method of reducing noise of equipment, pressure pulsation reducer for refrigeration cycle equipment, pressure pulsation reducer for pump equipment and method of reducing pressure pulsation of equipment

Fan shroud supports which increase resonant frequency

Rotary axial fan assembly

Blower system for generating controlled columnar air flow

Venturi fan

Multiple stage blowers and volutes therefor

Blower and air conditioner

Electric fan array for distortion tolerance of turbofan engines

Propeller fan assembly with silencer seeds and concentric hub and method of use

Electronic system with heat dissipation and feed-forward active noise control function and related method