Balanced rotors positive displacement engine and pump method...
Casing construction for screw compression/expansion machines
Compressor and a method for compressing fluid
Compressor with radial inlet to screw-formed rotor
Compressors and expansion machines of the single worm type
Control means for gas compressor having dual slide valves
Control slide for a screw volumetric machine and a machine equip
Expansion or compression machine with interengaging members rota
Fluid compression/expansion machine with fluted main rotor havin
Inter-engaging threaded rotor and pinion machine with multi-edge
Leakage path interconnection for single screw mechanisms
Minimal contact seal positive displacement device method and...
Multiple tooth engagement single screw mechanism
Positive displacement meshing screw machine
Positive displacement rotary machine
Rotary engine and method for determining engagement surface...
Rotary interengaging worm and worm wheel with specific tooth sha
Rotary machine for a compression or an expansion of a...
Rotary piston machine
Rotary piston machine having engaging cycloidal gears