Constant pressure hydraulic accumulator

Details Constant pressure hydraulic accumulator Constant pressure hydraulic accumulator

1979-01-02

1980-02-12

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

With control means for structure storing work driving energy

60418, 138 31, F15B 102, F15B 104

Patent

active

041876822

ABSTRACT:
A hydraulic system pressure fluid accumulator apparatus is disclosed that meets peak load demands beyond the flow capacity of the system pump. Gas cylinder actuation of the accumulator piston augmented by system pressure feedback actuation of the piston metered by a pressure regulator valve maintains accumulator output pressure level substantially independent of piston displacement.

REFERENCES:
patent: 2397270 (1946-03-01), Kelly
patent: 2417256 (1947-03-01), Kremiller
patent: 2436009 (1948-02-01), Kremiller
patent: 3534407 (1970-10-01), Barthlome
patent: 3581774 (1971-06-01), Oeland et al.
patent: 3669151 (1972-06-01), Fleming

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