Rotary-pulsation device

Machine and process for filterless wet removal of particles from and humidification of air

VORTEX PUMP

System and method of a fan

Wave rotor with canceling resonator

Airflow accelerating device and electronic apparatus

Bladeless fan structure

ENERGY TRANSFER FLUID DIAPHRAGM AND DEVICE

Low noise cooling device

Rotating unit for an axial-flow compressor

COOLING DEVICE AND ELECTRONIC DEVICE COMPRISING SUCH A COOLING DEVICE

Gas propulsion thrust device