Volumetric vane pump for fluid-hydraulic drive

Details Volumetric vane pump for fluid-hydraulic drive Volumetric vane pump for fluid-hydraulic drive

1985-02-07

1986-12-16

Smith, Leonard E.

Rotary expansible chamber devices

Positively actuated vane

Fluid biased

F04C 200

Patent

active

046294066

ABSTRACT:
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.

REFERENCES:
patent: 2056910 (1936-10-01), Schauer
patent: 3008424 (1961-11-01), Roth
patent: 3401641 (1968-09-01), Adams
patent: 3574493 (1971-04-01), Hamilton
patent: 3640651 (1972-02-01), Johnson
patent: 3869231 (1975-03-01), Adams

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