Liquid level sensor

Details Liquid level sensor Liquid level sensor

1980-06-03

1983-05-31

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

73308, 200 612, 200 84R, 340624, G08B 2300

Patent

active

043863370

ABSTRACT:
A sensor for detection of the presence of a predetermined level of fluid in an enclosed reservoir, e.g., oil in an engine crankcase or transmission fluid reservoir, and a system for providing a remote indication of the detection of the existence of the predetermined level. The apparatus includes an electrically conductive float disposed within an encapsulator and movable responsive to the liquid level to provide an indication thereof.

REFERENCES:
patent: 1246757 (1917-11-01), Knowles
patent: 1323882 (1919-12-01), Lorenz
patent: 2661411 (1953-12-01), Berger
patent: 2780692 (1957-02-01), Hinojosa
patent: 2804517 (1957-08-01), Ferry
patent: 3703716 (1972-11-01), Moore
patent: 3728704 (1973-04-01), Moore
patent: 4034608 (1977-07-01), Vincent

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