Hydraulic accumulator

Details Hydraulic accumulator Hydraulic accumulator

1995-01-03

1996-04-09

Bryant, III, James E.

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

138 26, F16L 5504

Patent

active

055052282

ABSTRACT:
A hydraulic accumulator includes an elongated pressure vessel having a headed end which receives a charging valve and an open end which receives a fluid port fitting. Means are provided for sealingly securing the fluid port fitting within the open end of the pressure vessel to complete the vessel closure. A fluid coupling is coupled to a port within the fluid port fitting which terminates in an inclined surface and spherical plug seat. An elongated flexible bladder is sealingly secured to the fluid port fitting and is maintained in a cylindrical form by a semicylindrical bladder support. A plug valve is secured to the interior of the flexible bladder and engages the plug seat during the operation of the accumulator in the absence of pressurized hydraulic fluid.

REFERENCES:
patent: 2105160 (1938-01-01), Piquerez
patent: 3091258 (1963-05-01), Marette
patent: 3593744 (1971-07-01), Smith
patent: 4166478 (1979-09-01), Sugimura et al.

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