Axial compensation in an inner geared pump for a closed circuit

Device for minimizing flutter of a filler piece in an internal g

Fluid pump mechanism for use in existing helical gearsets

Gear pump or motor with hard layer in interior casing surface

Gear pump with reduced fluid-borne noise

Gear pumps and motors

Gear pumps and motors

Gearing with mating internal and spur gears

Grooved gear pump

Hydraulic pumps

Internal gear machine having a filler piece with pivot pins and

Internal gear machine having segmented, pivotal filler members

Internal gear machine with segmented filler members

Internal gear pump having a stop for a sickle-shaped filler part

Internal-gear fluid-displacement machine with movable separating

Internal-gear machine

Internal-gear machine

Internal-gear machine having a divided filling portion

Internal-gear machine having segmented, pivotal filler members

Internal-gear pump with partition plate having a chamfered edge