Control valving for a variable capacity pump

Details Control valving for a variable capacity pump Control valving for a variable capacity pump

1984-05-24

1985-07-09

Gluck, Richard E.

Pumps

Condition responsive control of drive transmission or pump...

Having condition responsive pumped fluid control

417218, F04B 4908

Patent

active

045279586

ABSTRACT:
A variable capacity pump delivers fluid at full displacement until both the main high pressure system and the lube system are satisfied. The main system pressure is regulated by a valve connected to the pump discharge while the lube pressure is regulated by a valve disposed in fluid communication with the overflow of the main system valve. The lube system valve establishes fluid pressure for the lube system and directs excess fluid to the displacement control for the pump whereby pump displacement is decreased when both systems are satisfied.

REFERENCES:
patent: 2799995 (1957-07-01), Herman
patent: 3588285 (1971-06-01), Moon
patent: 4342545 (1982-08-01), Schuster
patent: 4456434 (1984-06-01), Ellbiary

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