Water alarm to signal flooding in basements

Details Water alarm to signal flooding in basements Water alarm to signal flooding in basements

1990-06-01

1991-10-01

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

340616, 73308, 73305, G08B 2100

Patent

active

050537512

ABSTRACT:
This invention concerns a water alarm adapted to be mounted in a basement water drain. It comprises a buoyant body which is in a first position when water is absent from the drain and which is moved to a second position by the presence of sufficient water filling the drain pipe. The buoyant body carries a switch which is in an open position when the body is in its first position and which is in a closed position when the body is in its second position. A suitable alarm is activated when the switch is in its closed position. The buoyant body is held in position adjacent the upper end of the drain under the metal drain cover by a magnetic holder member.

REFERENCES:
patent: 4216468 (1980-08-01), Kaufmann
patent: 4398186 (1983-08-01), Statz
patent: 4922234 (1990-05-01), Murphy

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