Valve piston

Details Valve piston Valve piston

1982-04-21

1984-03-20

Cohan, Alan

Fluid handling

Line condition change responsive valves

Direct response valves

13754321, 251356, F16K 1500

Patent

active

044374917

ABSTRACT:
A piston for use in spring-closed valves whose semi-toroidal shape minimizes the possibility of the piston jamming during tipping motions while providing maximum guidance, sealing area and maximum bearing material for resisting side wear.

REFERENCES:
patent: 3830255 (1974-08-01), Freiheit
patent: 4129144 (1978-12-01), Andersson
patent: 4257443 (1981-03-01), Turney

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