Fluid handling – Line condition change responsive valves – Safety cut-off requiring reset
Patent
1989-06-28
1990-05-22
Cohan, Alan
Fluid handling
Line condition change responsive valves
Safety cut-off requiring reset
137486, 137495, 13762412, F16K 1700
Patent
active
049269011
ABSTRACT:
The present invention deals broadly with the field of plumbing. More narrowly, however, it deals with apparatus for controlling flow through a fluid supply line. The preferred embodiment of the invention is directed to a mechanism for automatically terminating flow through a fluid supply line when flow through the line continues for a period of time greater than a defined time, such as when a break in the line occurs.
REFERENCES:
patent: 3088270 (1963-05-01), King
patent: 4249565 (1981-02-01), Brust
patent: 4589435 (1986-05-01), Aldrich
patent: 4730637 (1988-03-01), White
patent: 4807661 (1989-02-01), Lewis
Cohan Alan
Nawrocki Lawrence M.
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