Low level alarm for drop-feed injection liquid

Details Low level alarm for drop-feed injection liquid Low level alarm for drop-feed injection liquid

1988-11-16

1990-06-05

Noland, Tom

Communications: electrical

Condition responsive indicating system

Specific condition

128DIG13, 177 46, 340625, G08B 2100, G01F 2318

Patent

active

049317776

ABSTRACT:
A low level alarm device for drop-feed injection liquid comprises a mechanical arrangement where an injection liquid containing bottle is hung on one arm of a mechanical balance to be balanced by a counter weight provided on the other arm of the balance. The consumption of the liquid in the bottle causes the loss of equilibrium of the balance thereby triggering a circuit to be closed to sound an alarm so that the liquid may be replenished in time by an attendant.

REFERENCES:
patent: 2706755 (1955-04-01), Krasno
patent: 3287721 (1966-11-01), Baehr
patent: 3389387 (1968-06-01), Hulse et al.
patent: 3425415 (1969-02-01), Gordon et al.
patent: 3934474 (1976-01-01), Whitinger
patent: 3977567 (1976-08-01), Rudd
patent: 4137915 (1979-02-01), Kamen
patent: 4176349 (1979-11-01), Fliegel
patent: 4198626 (1980-04-01), Rauscher
patent: 4670007 (1987-06-01), Wheeldon et al.

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