Multi-blade blower

Multiblade fan and electronic apparatus having a multiblade fan

Noise absorption system having active acoustic liner

Noise attenuating and air streamlining spiral

Noise attenuating sound resonator for automotive cooling...

Noise cancellation device for centrifugal blower

Noise control device for centrifugal blower

Noise killing system of fans

Noise reduced centrifugal blower

Noise reduction mechanism of fan device and molding method...

Noise reduction of aircraft flap

Noiseless air-actuated turbine-type vibrator with muffler

Nonlinearly stacked low noise turbofan stator

Obstacle in front of a propeller

Optimization of turbomachinery harmonics

Outlet silencer structures for turbine

Paint sprayer with inlet silencer

Particle vibration damper

Passively driven acoustic jet controlling boundary layers

Periodic stator airfoils