Pipes and tubular conduits – With pressure compensators – Variable capacity chambers
Patent
1985-08-29
1986-07-15
Bryant, III, James E.
Pipes and tubular conduits
With pressure compensators
Variable capacity chambers
138 26, F16L 5502
Patent
active
046000356
ABSTRACT:
This pulsation absorbing device is received in a cylindrical pressure vessel includes a cylindrical resilient diaphragm and an inner cylinder formed with a plurality of communicating holes around its wall. It is further provided with one or more slidably movable valve shoes and both of said diaphragm and the inner cylinder are disposed concentrical with each other. One or more arched leaf springs are disposed along the outer face of the inner cylinder and at the place able to cover the communicating holes and are slidably coupled to the inner cylinder by suitable number of pins; and the stroke of the slidable movement given to the pins is made larger than the stroke of the spring motion of said leaf springs, consequently, impinging of the stopper of the pin against the inner cylinder can be avoided, even if the pins may travel being urged by the leaf spring, due to sudden change of fluid pressure in the inner cylinder, over the stroke of the leaf spring.
REFERENCES:
patent: 2841181 (1958-07-01), Hewitt et al.
patent: 3744797 (1973-07-01), Mercier
patent: 4497388 (1985-02-01), Dexter
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