Control for hydraulic accumulator system

Details Control for hydraulic accumulator system Control for hydraulic accumulator system

1979-09-06

1981-07-14

Croyle, Carlton R.

Pumps

Condition responsive control of pump drive motor

Responsive to accumulation of pumped liquid in receiver

60418, F04B 4902

Patent

active

042784034

ABSTRACT:
A hydraulic accumulator system comprising an accumulator tank (22) for storing hydraulic fluid supplied by a pump (P) from reservoir (10), the stored fluid being pressurized by gas from gas tank (28), a control tank (35)connected at one end to the fluid supply (10) and at the other end to the gas supply (28), and a piston (36) in said control tank (35) having differential areas exposed to said fluid and said gas, said piston having means (41) for actuating a switch (43) to control said pump (P).

REFERENCES:
patent: 2507987 (1950-05-01), Luster
patent: 2773455 (1956-12-01), Mercier
patent: 2810496 (1957-10-01), Gray
patent: 3493001 (1970-02-01), Bevandich
patent: 3738775 (1973-06-01), Strickland
patent: 3768925 (1973-10-01), Klemm

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