Port plate for an axial piston pump

Positive displacement piston pump

Positive displacement pump or motor utilizing a reciprocal slidi

Positive-displacement pump

Positive-displacement type pump system

Power transmission

Precision demand axial piston pump with spring bias means for re

Precompression valve for hydraulic pumps

Pressure control and unloader valve

Process and apparatus for pressurizing fluid and using them...

Process for regulating the capacity of lubricant pumps and lubri

Pulsating oil injector for radial refrigerant compressor

Pump arrangement

Pump arrangement for hydraulic installations

Pump body with plunger pistons

Pump for liquids

Pump for liquids

Pump or motor with interconnected chambers in the rotor

Pump with failure responsive discharge valve

Pump with hydrostatic piston elements and with axial thrust comp