Variable displacement hydraulic pump with quiet timing

Variable displacement hydrostatic device and neutral return mech

Variable displacement hydrostatic pump and improved gain control

Variable displacement port plate

Variable displacement pump

Variable displacement pump or motor and neutral centering mechan

Variable displacement pump/motor

Variable displacement radial piston pumps or motors

Variable flow control apparatus for actuator of heavy...

Variable flow control devices, related applications, and...

Variable frequency control for percussion actuator

Variable frequency control for percussion actuator

Variable hydrostatic bearing between barrel and head of axial pi

Variable orifice hydraulic snubber

Variable output fluid pump/motor

Variable positive displacement fluid motor/pump apparatus

Variable positive fluid displacement apparatus with movable cham

Variable pressure passage for a booster

Variable pressure relief valve

Variable priority device