Control of excessive fluid flow

Details Control of excessive fluid flow Control of excessive fluid flow

1988-11-25

1990-03-27

Cohan, Alan

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

137495, 13762412, 1374875, F16K 3102

Patent

active

049112007

ABSTRACT:
Means are provided for monitoring water flow to a dwelling or the like and shutting off the flow if it exists for an abnormal period of time, the system being readily adjustable to adapt itself to different considerations of abnormality depending upon time of day, time of year, presence or absence of occupants in the dwelling, and the like.

REFERENCES:
patent: 3723987 (1973-03-01), Barone
patent: 3748656 (1973-07-01), Gray
patent: 4180088 (1979-12-01), Mallett
patent: 4249565 (1981-02-01), Brust
patent: 4297686 (1981-10-01), Tom
patent: 4324268 (1982-04-01), Jacobson
patent: 4488567 (1984-12-01), Grant
patent: 4589435 (1986-05-01), Aldrich
patent: 4675541 (1987-06-01), Peters
patent: 4735231 (1988-04-01), Jacquet

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