Leak sensing alarm and supply shut-off apparatus

Details Leak sensing alarm and supply shut-off apparatus Leak sensing alarm and supply shut-off apparatus

1986-11-06

1989-07-04

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

340604, 340691, 200 6104, G08B 2100

Patent

active

048454729

ABSTRACT:
Apparatus for sensing the presence, in an area served by a water supply line, of unwanted water indicative of a malfunction. The apparatus responds to the sensing of water by operating a remote solenoid-actuated valve, to shut off the water supply. Three operative conditions of the apparatus, "standby", "alarm" and "manual remote shut off", are provided, enabling an operator to selectively actuate the valve independently of the sensor.

REFERENCES:
patent: 2552088 (1981-05-01), Davis
patent: 3438246 (1969-04-01), Lotti
patent: 3771548 (1973-11-01), Rauchwerger
patent: 4223692 (1980-09-01), Perry
patent: 4297686 (1981-10-01), Tom
patent: 4324268 (1982-04-01), Jacobson
patent: 4374379 (1983-02-01), Dennison, Jr.
patent: 4596980 (1986-06-01), Bergeron et al.

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