Valve

Details Valve Valve

1984-10-02

1985-08-27

Scott, Samuel

Valves and valve actuation

Fluid actuated or retarded

With mechanical movement between actuator and valve

251 95, 251251, 251352, 166323, 166330, 74 57, F16K 3112

Patent

active

045373833

ABSTRACT:
A ball valve with cooperative cranks for rotating the ball valve in which the cranks run in arcuate waffle plates having intersecting lands and grooves and wherein the ball valve is spherical and retainer rings cooperate with the ball valve to hold the cranks in engagement with the waffle plate even when pumping through the valve and moving the ball valve away from an upper seat while retaining the ball valve actuator in the closed position.

REFERENCES:
patent: 3007669 (1961-11-01), Fredd
patent: 3398762 (1968-08-01), Fredd
patent: 3398928 (1968-08-01), Fredd
patent: 3494417 (1970-02-01), Fredd
patent: 3783942 (1974-01-01), Mott
patent: 4210207 (1980-07-01), McStravick et al.
patent: 4230185 (1980-10-01), Fredd
patent: 4262693 (1981-04-01), Giebeler
patent: 4289165 (1981-09-01), Fredd
patent: 4320804 (1982-03-01), Brooks
patent: 4436157 (1984-03-01), Brooks

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