F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
138/95.2
F16L 55/04 (2006.01) F04B 11/00 (2006.01) F15B 1/10 (2006.01) F16L 55/052 (2006.01)
Patent
CA 1043229
Pressure Accumulator 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 extend- ing 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 and 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.
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