Low fluid level warning device

Details Low fluid level warning device Low fluid level warning device

1994-02-25

1997-04-29

Peng, John K.

Communications: electrical

Condition responsive indicating system

Specific condition

340603, 340618, 340624, 200 6145R, 200 84R, 200220, 200223, 200230, G08B 2100

Patent

active

056253443

ABSTRACT:
A device for warning when a low fluid level is reached is provided in which a levelness detecting switch is encapsulated in a conically shaped inert material (such as TEFLON.TM.), sized appropriately to the predetermined fluid limit, and coupled to an alarm device (such as an audible alarm, a frequency signal or a light).

REFERENCES:
patent: 2692652 (1954-10-01), Wilson
patent: 3211853 (1965-10-01), Le Corvoisier
patent: 4399338 (1983-08-01), Jones
patent: 4912662 (1990-03-01), Butler et al.
patent: 4922234 (1990-05-01), Murphy
patent: 5228304 (1993-07-01), Ryan

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