Multiple schedule valve

Details Multiple schedule valve Multiple schedule valve

1984-10-15

1986-03-04

Scott, Samuel

Valves and valve actuation

Mechanical movement actuator

Lever

251 14, 251 58, 74522, F16K 3152

Patent

active

045736618

ABSTRACT:
A multiple schedule valve including a valve seat and a valve member movable with respect thereto. A lever in the form of a bell crank is connected to the valve member and is movable on a pivot. A first actuator is connected to the lever to pivot the same to thereby move the valve member relative to the seat. A second actuator is connected to the pivot and is operable to shift the pivot axis thereof.

REFERENCES:
patent: 2385664 (1945-09-01), Warner
patent: 2491548 (1949-12-01), Branson
patent: 2736212 (1956-02-01), Spence
patent: 2834375 (1958-05-01), Gallo
patent: 2940332 (1960-06-01), Teague, Jr.
patent: 3195574 (1965-07-01), Carls
patent: 3258229 (1966-06-01), Larson
patent: 3330477 (1967-07-01), Stephens
patent: 3839923 (1974-10-01), Dean
patent: 4431369 (1984-02-01), Lucas

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