Liquid leakage detector

Details Liquid leakage detector Liquid leakage detector

1980-03-19

1982-03-09

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

174 70R, 174117R, 340605, G08B 2100

Patent

active

043192327

ABSTRACT:
A liquid detection device for energizing a warning signal. An electronic switch, of the non-latching type, is provided for coupling a source of electrical energy to a warning device responsive to a first signal at the inputs thereof. An elongated probe is provided having at least two generally parallel conductors enclosed in an insulative sheath having a plurality of apertures therein for exposing adjacent sections of the conductor. The conductors are coupled to the inputs of the electronic switching device for generating the first signal responsive to moisture being operatively coupled over the apertures between the conductors. The probe is of sufficient length in order to form a perimeter about the area in which the liquid is to be detected.

REFERENCES:
patent: 3098116 (1963-07-01), Jore et al.
patent: 3294893 (1966-12-01), Shaffer
patent: 3366854 (1968-01-01), Robinson
patent: 3498131 (1970-03-01), Rickey
patent: 3696362 (1972-10-01), Sieron
patent: 3732556 (1973-05-01), Caprillo et al.
patent: 3757316 (1973-09-01), Florenzo
patent: 3864676 (1975-02-01), Macias et al.
patent: 4020478 (1977-04-01), Hatfield
patent: 4041557 (1977-08-01), Ringler
patent: 4126857 (1978-11-01), Lancia et al.

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