Pressure accumulator having a long life distensible bladder

Details Pressure accumulator having a long life distensible bladder Pressure accumulator having a long life distensible bladder

1980-01-21

1981-11-10

Shepperd, John W.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

F16L 5502, F16L 5504

Patent

active

042992540

ABSTRACT:
The present invention is directed to a hydraulic accumulator device which may be built at low cost and which includes an elastomeric bladder member and a button or valve component adapted to seat on the oil port when pressures in the gas chamber exceed the pressure in the hydraulic line and to unseat when the pressure conditions are reversed. The device includes a button carried by the bladder positioned to seat on the oil port and is characterized by the button, bladder, and oil port having certain critical dimensional inter-relationships which greatly reduce the possibility of damage to the bladder and consequent failure of the accumulator.

REFERENCES:
patent: 3442292 (1969-05-01), Jacuzzi
patent: 3868972 (1975-03-01), Zirps
patent: 4084621 (1978-04-01), Sugimura et al.
patent: 4117866 (1978-10-01), Bohm et al.
patent: 4143678 (1979-03-01), Sugimura et al.

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