Oil level detector and indicator

Details Oil level detector and indicator Oil level detector and indicator

1974-07-23

1976-04-06

Caldwell, John W.

Communications: electrical

Selective

Having indication or alarm

137558, 200 84C, 340244A, G08B 2100, H01H 3602

Patent

active

039493601

ABSTRACT:
In order to sense the level of oil in a tank coupled through a line to an engine, and to give a warning when the level is low, a detector is provided which includes a pipe section interposed in the line and passing through a chamber. Openings in the pipe section cause the oil to leak into the chamber to form a pool therein. Resting on the pool and rising and falling therewith is a float having a magnet therein. When the oil level is low, the magnet is brought into the proximity of a reed switch at the bottom of the chamber, the switch then being actuated to close an alarm circuit.

REFERENCES:
patent: 2671893 (1954-03-01), Van Scoy et al.
patent: 2747042 (1956-05-01), Zimmerman

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