Cam plate type axial piston pump

Details Cam plate type axial piston pump Cam plate type axial piston pump

1987-12-28

1989-05-02

Garrett, Robert E.

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

91505, 74 60, 74839, F01B 300, F01B 1304

Patent

active

048257532

ABSTRACT:
A cam plate type axial piston pump capable of operating a control lever operatively connected to a cam plate to control an inclination angle of the cam plate and control its discharge depending on the inclination angle. A piston pump of such type exhibits self-return force toward a position nearer its neutral point when it reaches a position near the neutral point. The pump of the present invention is so constructed that a thrust plate provided on a cam plate is pivotally moved in order to positively utilize the self-return force.

REFERENCES:
patent: 2475295 (1949-07-01), Sherman
patent: 2917931 (1959-12-01), Sherman
patent: 3006324 (1961-10-01), Shaw
patent: 3246577 (1966-04-01), MacIntosh
patent: 3359810 (1967-12-01), Hansen
patent: 3935796 (1976-02-01), Wood
patent: 3973471 (1976-08-01), Hirmann
patent: 4584926 (1986-04-01), Beck, Jr. et al.

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