Presettable valve actuator

Details Presettable valve actuator Presettable valve actuator

1975-06-26

1976-10-26

Schwadron, Martin P.

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

137434, 251234, F16K 3118

Patent

active

039878139

ABSTRACT:
An actuator is described for a float-type valve, in which a screw and nut assembly is used to preset the position wherein the float arm engages the valve operator.

REFERENCES:
patent: 279685 (1883-06-01), Zane
patent: 1776850 (1930-09-01), Cheswright
patent: 1849948 (1932-03-01), Muchler
patent: 1969645 (1934-08-01), Glenn
patent: 2061703 (1936-11-01), Golden
patent: 2439864 (1948-04-01), Ritchie
patent: 2730118 (1956-01-01), Cowan
patent: 3142310 (1964-07-01), Feldermann
patent: 3508567 (1970-04-01), Kirk et al.

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