Pipes and tubular conduits – With pressure compensators – Variable capacity chambers
Patent
1987-01-12
1987-11-10
Recla, Henry J.
Pipes and tubular conduits
With pressure compensators
Variable capacity chambers
251 611, F16L 5502
Patent
active
047050772
ABSTRACT:
In a pulsation absorbing device which comprises inside its cylindrical pressure vessel, a cylindrical resilient diaphragm, an inner cylinder formed with a plurality of communicating holes on the outer surface thereof, and the resilient diaphragm and the inner cylinder are disposed being concentrical with the cylindrical pressure vessel, in addition, one or more resilient valve shoes of arched shape in its transverse cross section disposed along the outer surface of the inner cylinder and at the location corresponding to the communicating holes and is capable of being placed in a raised or lowered position, the improvement resides in that the resilient valve shoes are composed of a plurality of thin membranes laminated with each other, so that the valve shoes not only can be readily deformed elastically responsive to any possible pressure variation, but also can secure strength sufficient to withstand the fluid pressure when they are positioned to cover and close the aforesaid communicating holes.
REFERENCES:
patent: 2659391 (1953-11-01), Berger
patent: 3182685 (1965-05-01), Mercier
patent: 3483892 (1969-12-01), Sugimura et al.
Recla Henry J.
Thronson Mark J.
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