Variable displacement piston pump

Details Variable displacement piston pump Variable displacement piston pump

1977-09-22

1979-01-30

Freeh, William L.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

F04B 128

Patent

active

041370139

ABSTRACT:
A variable displacement pump includes a plurality of pistons and a swash plate arranged therewith, with the swash plate angularly displaced in response to pump discharge manifold pressure via a hydrostatic thrust bearing arrangement for controlling the stroke of the pistons to maintain a predetermined substantially constant pressure with a variable flow of fluid through the pump.

REFERENCES:
patent: 3575534 (1971-04-01), Leduc
patent: 3721161 (1973-03-01), Bobst
patent: 3789740 (1974-02-01), Boyer
patent: 3873240 (1975-03-01), Leduc

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