Floating water detector

Details Floating water detector Floating water detector

1979-12-17

1982-04-13

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

340605, 340620, 340693, 340384E, G08B 2100, G08B 310

Patent

active

043250602

ABSTRACT:
A moisture detector comprises a shell adapted to float with an anode and cathode on the bottom portion thereof. The anode may be of sacrificial metal which is electrolyzed to increase the conductivity of moisture contacting the electrodes. Also, a water soluble electrolyte may be placed either on the electrodes or close thereto. A plug on the shell may provide for a pair of remote electrodes. A piezoelectric transducer system of improved design involves shaping of the chambers in said shell.

REFERENCES:
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patent: 3562731 (1971-02-01), Hsu
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patent: 3879726 (1975-04-01), Sweany
patent: 3889247 (1975-06-01), Voll
patent: 4122365 (1978-10-01), Stephens
patent: 4169261 (1979-09-01), Alpaugh
patent: 4178589 (1979-12-01), Nunn et al.
patent: 4203097 (1980-05-01), Manning
patent: 4227190 (1980-10-01), Kelley et al.

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