Pressure accumulator

Details Pressure accumulator Pressure accumulator

1975-03-13

1976-06-08

Aegerter, Richard E.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

138 26, F16L 5504

Patent

active

039616460

ABSTRACT:
A pressure accumulator having a hollow cylindrical housing which is inserted into the mouth of a cylindrical cavity in the body of a hydraulically operated apparatus or machine. The inner end of the cavity has a threaded recess adapted to receive the correspondingly threaded end of the housing. The interior of the accumulator housing mounts a deformable bladder in which is positioned an axially extending support member in the shape of a dumbell or hour glass, one end of which is screwed into the mouth of the housing and the other end of which is normally spaced from the closed end of the bladder, the latter having an axially mounted valve member adapted to close the axial oil port of the housing which is aligned with a fluid port in the threaded recess into which the end of the housing is screwed. The support member is designed to prevent twisting and folding over of the bladder when it is deformed which would result in cracking of the bladder at the region of the folds and failure thereof.

REFERENCES:
patent: 2347379 (1944-04-01), Teeter
patent: 3433268 (1969-03-01), Greer
patent: 3674053 (1972-07-01), Murman et al.
patent: 3744527 (1973-07-01), Mercier

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