Prestressed hydraulic accumulator

Details Prestressed hydraulic accumulator Prestressed hydraulic accumulator

1984-10-18

1986-08-05

Bryant, III, James E.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

220 85B, F16L 5504

Patent

active

046037110

ABSTRACT:
A hydraulic accumulator comprises two-half shells, the diaphragm therebetween defining two cavities. One cavity contains pressurized gas and the cavity receives hydraulic fluid under pressure. The two-half shells are held together by a mechanical element, such as a belt which has been previously prestressed to a tension selected according to the maximum pressure to which the accumulator will be subjected. The use of the prestressed mechanical element changes the dynamic stresses ordinarily found in a hydraulic accumulator to static stresses, thus minimizing the occurrence of creeks and failure of the device.

REFERENCES:
patent: 2563257 (1951-08-01), Loukonen
patent: 2667184 (1954-01-01), Hailer et al.
patent: 2751934 (1956-06-01), Saunders
patent: 3524665 (1970-08-01), Hohn et al.
patent: 3825034 (1974-07-01), Chousings

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