Apparatus and methods for cooling and sealing rotary helical scr
Closed rotary compressor
Compressor exhibiting an iron sulfide wear surface
Lubricating arrangement for a shaft seal in a vane type compress
Multi-rotor helical-screw compressor
Oil-cooled type screw compressor
Oil-free rotary gas compressor with injection of vaporizable liq
Rotary compressor with vanes in the housing and suction through
Two-stage rotary compressor