Float switch signalling two different liquid levels

Details Float switch signalling two different liquid levels Float switch signalling two different liquid levels

1976-12-16

1978-04-25

Tolin, Gerald P.

Electricity: circuit makers and breakers

Float

Float and pressure

340244D, 733225, 200 819HG, H01H 3518

Patent

active

040864570

ABSTRACT:
A plastic vessel forming a float is secured to one end of a plastic tube. The other end of the tube is fixedly mounted and intermediate the ends is a hinge section. Two mercury switches are positioned in the vessel at different angles of inclination with respect to the axis of the vessel so that as the vessel pivots about the hinge with variations in the level of the liquid upon which the vessel floats, the switches close at different positions of the float. The angle of inclination of one of the mercury switches is adjustable.

REFERENCES:
patent: 2600659 (1952-06-01), Koch, Jr.
patent: 3393283 (1968-07-01), Lenning
patent: 3659064 (1972-04-01), Inove
patent: 3662131 (1972-05-01), Leistiko

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