Two-lobe rotary machine
Two-stage rotary vane motor
Universal downhole motor for driving a tool
Universal rotating machine for expanding or compressing a...
Valve systems for turbomachines
Vane machine
Vane machine with stationary and rotating cylinder parts
Vane pump with pressure ramp tracking assist
Vane pump with ramp on minor diameter
Vane type fluid energy translating device
Vane type pumps
Vane-cell machine and method for waste-heat utilization,...
Vane-type actuator
Vane-type rotary apparatus with spilt vanes
Vane-type rotary fluid displacing machine
Vane-type rotary hydraulic transducer
Vaned rotary engine with regenerative preheating
Variable displacement turbine-speed hydrostatic pump
Variable displacement vane pump
Variable geometry toroidal engine