Frictionless rotary pump-motor-meter
Positive-displacement pump
Rotary cam-actuated vane machine
Rotary machine having axially biased ring for limiting radial va
Rotor eccentrically installed in a cylinder of a rotary...
Vacuum pumps
Vane control unit for vane pump
Vane pump with annular ring and cylindrical slide as vane guide
Vane pump with annular ring for engaging vanes and drive means i
Vane pump with axial inlet and peripheral tangential outlet
Vane pump with rotatable annular ring means to control vane exte
Vane pump with sliding members on axial vane projections
Vane support assembly for rotary type positive displacement appa
Vane support assembly for rotary type positive displacement appa
Yoke mechanism for fluid displacement device