Accumulator with integral high pressure reservoir and recharge v

Details Accumulator with integral high pressure reservoir and recharge v Accumulator with integral high pressure reservoir and recharge v

1985-05-02

1986-08-19

Phillips, Charles E.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

138 26, 60413, F16L 5504

Patent

active

046063765

ABSTRACT:
A self-contained integral accumulator assembly includes a two-part housing joined by a central partition. One housing part encloses high pressure nitrogen. The other housing part encloses a volume which is divided by a flexible bladder into an oil chamber and a precharge chamber. The partition includes a recharge passage and a recharge valve for automatically repressurizing the precharge chamber from the high pressure nitrogen when the precharge pressure falls below a predetermined pressure.

REFERENCES:
patent: 2320886 (1943-06-01), Quiroz
patent: 2773455 (1956-12-01), Mercier
patent: 2904077 (1959-09-01), Trumper
patent: 3149645 (1964-09-01), Broadwall
patent: 3195577 (1965-07-01), Greer
patent: 3230976 (1966-01-01), Mercier
patent: 3695297 (1972-10-01), Ferrentino
patent: 4195668 (1980-04-01), Lewis
Deere & Company, Fundamentals of Service, Hydraulics, 1979, pp. 6-1 to 6-8.

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