Helium charged hydraulic accumulators

Details Helium charged hydraulic accumulators Helium charged hydraulic accumulators

1987-07-28

1989-04-11

Bryant, III, James E.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

138 31, F16L 5504

Patent

active

048196975

ABSTRACT:
A helium charged accumulator is disclosed for use in hydraulic fluid pressure systems. The size of the accumulator is optimized for particular operating conditions of specific applications of the hydraulic systems by means of a formula. The formula has, as its terms, the volume of the hydraulic fluid required to power a given device, the compressibility factor of the particular gas used and the temperature and pressure of the gas at the beginning of, during, and at the end of the operation cycle of the accumulator.

REFERENCES:
patent: 2411315 (1946-11-01), Ashton
patent: 2916052 (1959-12-01), Peters
patent: 3856048 (1974-12-01), Gratzmuller
patent: 3862646 (1975-01-01), Tarsha
patent: 4145959 (1979-03-01), Burden et al.
patent: 4185652 (1980-01-01), Zintz et al.
patent: 4188787 (1980-02-01), Bromell et al.
patent: 4209986 (1980-07-01), Cunningham
patent: 4294288 (1981-10-01), Murthy

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