Adjustable fit progressive cavity pump/motor apparatus and...

Apparatus and method for replacing apex seals in a rotary device

Automatic regulation of balancing pressure in a screw compressor

Bearing and lubrication system for a scroll fluid device

Coalescing device and method for removing particles from a rotar

Constrained vane compressor with oil skive

Drive shaft seal for gear pump and method

Drive system for the orbiting scroll of a scroll type fluid comp

Dynamically balanced co-orbiting scrolls

Fuel pump with and method to modulate vapor purge port pressure

Gas blower and method utilizing recirculation openings

Gear pump

Gear pump and a method for positioning a gear pump shaft

Gear pump and its uses

Gear pump bearings

Gear pump having improved low temperature operation

Gear pump or motor with serrated grooves on inner wall for break

Gear pump with low pressure shaft lubrication

Gear pump with low pressure shaft lubrication

Hermetic refrigeration rotary motor-compressor