Backflow passage for rotary positive displacement blower
Balanced rotors positive displacement engine and pump method...
Bearing and screw compressor
Bearing arrangement of an external-axial rotary piston blower
Bearing arrangement of an external-axial rotary piston blower
Bearing support for a lysholm compressor
Bearing support for a twin-shaft pump
Bearings for the trunnions of gears in gear pumps or the like