Screw compressor
Screw compressor
Screw fluid machine
Screw machine having a plurality of symmetrically arranged rotor
Screw pump with improved efficiency of drawing fluid
Screw rotor machine with hollow thread rotor enclosing a screw c
Screw vacuum pump
Screw vacuum pump having a decreasing pitch for the screw member
Screw vacuum pump with male and female screw rotors having...
Scroll apparatus
Scroll apparatus with pressurizable fluid chamber for axial scro
Scroll compressor of two-stage compression type having an improv
Scroll fluid machine having multistage compressing part
Scroll fluid machine having scroll members at each end of a...
Scroll pump
Scroll pump with axially spaced pumping chambers in series
Scroll type compressor or pump with axial pressure balancing
Scroll type compressor with wrap portions of different axial hei
Scroll-type fluid machine having at least one inlet or...
Scroll-type two stage positive fluid displacement apparatus