Bi-directional gerotor-type fluid pump

Bi-directional internal/external gear pump with advanced porting

Eccentric positioning means for a reversible pump

Gerotor pump with shiftable rotor boss

Oil pump

Oil pump

Positive displacement pump

Positive displacement pump rotatable in opposite directions

Reverse drive oil pump

Reversible gear pump with invariant flow direction

Reversible gear-type pump

Reversible geroter pump with pivoting carrier unidirectional flo

Reversible gerotor pump

Reversible gerotor pump having magnetic attraction between the r

Reversible lubricant pump

Reversible unidirectional flow pump with axial frictionally enga

Reversible unidirectional flow pump with frictionally engaged ax

Reversible unidirectional flow rotary pump

Reversible unidirectional fluid flow pump

Reversing pump eccentric member