Valve with integral plastic spring for poppet

Details Valve with integral plastic spring for poppet Valve with integral plastic spring for poppet

1992-01-10

1993-10-26

Schwardron, Martin P.

Fluid handling

Systems

Flow path with serial valves and/or closures

137535, 2511496, F17D 108

Patent

active

052557138

ABSTRACT:
A valve is provided which includes a valve body having a passageway from an inlet end to an outlet end and a tapered annular valve seat intermediate the ends, a plastic poppet being provided with a disc portion and a tapered portion which can engage the valve seat, the tapered part being stepped to provide a deflectable outer edge portion, the poppet including three beams which extend toward the inlet end of the body and are bent outwardly to enter a groove in the valve body, thereby providing resilient means to bias the poppet to a closed position. The valve body includes a transverse wall adjacent the valve seat, the wall having openings for allowing flow through the passageway and also including an opening that receives a post projecting from the poppet toward the outlet end and beyond the wall for engagement by a mating connector to displace the poppet to its open position.

REFERENCES:
patent: 2984393 (1961-05-01), Magnenat
patent: 4137930 (1979-02-01), Scholle
patent: 4286636 (1981-09-01), Credle
patent: 4564132 (1986-01-01), Lloyd-Davies
patent: 5072756 (1991-12-01), Carr

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