Hydraulic apparatus for regulating the flow of one or more pumps

Details Hydraulic apparatus for regulating the flow of one or more pumps Hydraulic apparatus for regulating the flow of one or more pumps

1974-09-25

1977-08-02

Freeh, William L.

Pumps

Condition responsive control of drive transmission or pump...

Plural pumps with individual or relative control

417222, 91506, F01B 1304

Patent

active

RE0293334

ABSTRACT:
In combination with a pump having a variable rate of flow, a device for varying such rate of flow is governed by the pressure generated by the pumps through a variable transmission mechanism the ratio of which depends on the said rate of flow, whereby the power output of the pump can be maintained at a predeterminate value. The device can be used with two pumps for limiting the total power output of both pumps, as being governed by the average of the two pressures.

REFERENCES:
patent: 2588522 (1952-03-01), Harris
patent: 2971498 (1961-02-01), Bloch
patent: 3252419 (1966-05-01), Tyler
patent: 3554671 (1971-01-01), Schlinke
patent: 3647322 (1972-03-01), Molly
patent: 3669570 (1972-06-01), Himmler
patent: 3830593 (1974-08-01), Chanal

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