| 摘要 |
Volumetric vane pump for fluid-hydraulic drive comprising a stator and a blade-bearing rotor, wherein each blade is pushed against the stator by a respective piston by the action of the delivery pressure of the pump, each piston having a diameter greater than the thickness of the related blade and a thrust axis lying along a symmetrical transverse plane of the blade and in a displaced position relatively to a longitudinal plane of the blade containing the rotation axis of the rotor, in advance relatively to the direction of rotation of the same rotor.
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