Water alarm and method of using same

Details Water alarm and method of using same Water alarm and method of using same

1994-06-17

1996-05-14

Swarthout, Brent A.

Communications: electrical

Land vehicle alarms or indicators

For trailer

340573, 340604, 403109, G08B 2100

Patent

active

055171745

ABSTRACT:
A sensor includes a hollow tube having first and second ends; a cap secured at said first end; said second end being substantially open to allow fluid to enter the tube; a floatation element slidably arranged within said tube; means at said second end for preventing the floatation element from leaving said tube; a contact switch arranged within said tube between said cap and said floatation element; and a fluid exhaust means provided in said tube adjacent said contact switch. The sensor may be used to detect a motion or displacement of water in a swimming pool.

REFERENCES:
patent: 559368 (1896-05-01), Dieterich
patent: 1191301 (1916-07-01), Guthat
patent: 1320613 (1919-04-01), Gilcrease
patent: 1774869 (1930-09-01), Brown
patent: 1831613 (1931-11-01), Symons
patent: 3585582 (1971-06-01), Dove
patent: 4065959 (1978-01-01), Richardson
patent: 4528622 (1985-07-01), Bacevius
Catalogue of "Save Plus Pool Alarm", Spring 1994. Listed on the Back Cover of the Catalogue.

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