| 摘要 |
A variable displacement pump or motor unit having a power shaft drivingly connected to a rotor rotatably mounted in the stationary housing. Spherical pistons in an annular series are mounted on the rotor and each cooperates with a cylinder cup which has a sliding slipper base portion slidably engaging the stationary tilt plate. The tilt plate is pivotally mounted on the frame and the angle of the tilt plate with respect to the axis of the unit is adjusted for variable displacement.
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