Non-circular orbiting scroll for optimizing axial compliancy

Non-reciprocating multi-piston engine

Oil flooded screw compressor system with moisture separation and

Oil-free rotary compressor with injected water and dissolved bor

Oil-free screw compressor with bypass of cooled discharged gas

Orbiting rotary compressor with adjustable eccentric

Pair of conveyor worms for rotary positive-displacement pumps

Piston unloader arrangement for screw compressors

Port arrangement for rotary positive displacement blower

Positive displacement machine having improved displacement curve

Progressing cavity pump having a ratio of eccentricity,...

Progressive cavity pump with meltable stator

Pulse-free blower

Rotary compressor

Rotary compressor and process of compressing compressible fluids

Rotary compressor and process of compressing compressible fluids

Rotary compressor and process of compressing compressible fluids

Rotary compressor and process of compressing compressible fluids

Rotary compressor and process of compressing compressible fluids

Rotary compressor having strengthened partition and shaped reces