Apparatus for reducing pressure pulsations
Fluid machine having a pair of rotors and a silencer
Flushable metering pump
Gear pump with noise attenuation
Hydraulic pump with foamed elastomeric member in outlet chamber
Hydraulically operated rotary vibrator
Method and apparatus for pumping viscous material
Motor-driven hydraulic gear pump having a noise damper
Noise reduced liquid sealed compressor
Pneumatic motor with muffled exhaust
Roots blower having zigzag meandering grooves in the casing inne
Rotary pump with cutting means
Rotary screw compressor with inlet chamber
Screw rotor machine with De Laval nozzle for noise reduction
Sealed compressor having pipe connectors and method of joining p
Sound reduced rotary vane compressor
Spinning pump having an adapter with a radial groove
Vane motor with brake