Self-regulating hydrant

Details Self-regulating hydrant Self-regulating hydrant

1983-05-16

1985-04-16

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Weather control

137 79, 236102, 239 75, F25C 304

Patent

active

045110832

ABSTRACT:
Disclosed herein is a self-regulating hydrant which is characterized by a mechanism which automatically alters the flow of fluid through a valve seat in response to changes in ambient temperature. A temperature-responsive member, operatively coupled to a valve plug, is used to control the position of the plug relative to a valve seat. As the temperature of such member changes, its dimensions change. Such dimensional changes are preferably amplified and used to move the plug relative to the valve seat to control the rate of fluid flow through the valve seat.

REFERENCES:
patent: 1881637 (1932-10-01), Johnson
patent: 2067346 (1937-01-01), Rovinsky
patent: 2107673 (1938-02-01), Lovekin
patent: 2676471 (1954-04-01), Pierce, Jr.
patent: 3270460 (1966-09-01), Wild
patent: 3456722 (1969-07-01), Cornelius
patent: 3494559 (1970-02-01), Skinner
patent: 4209065 (1980-06-01), Ledent
patent: 4437481 (1984-03-01), Chamberlin et al.

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