Liquid level float switch

Details Liquid level float switch Liquid level float switch

1990-05-16

1992-02-18

Tolin, Gerald P.

Electricity: circuit makers and breakers

Float

Float and pressure

73313, 200 6145M, 340625, 417 40, H01H 3518

Patent

active

050896768

ABSTRACT:
A liquid level detector for detecting liquid level height in a vessel includes a housing adapted to float in the liquid, first and second spaced, fixed stops disposed in the housing, a pendulum having a end pivotally mounted in the housing wherein the pendulum is movable between the stops in response to a change in orientation of the housing due to a change in liquid level height in the vessel, an electrical switch disposed of in the housing adjacent to the first stop and actuable by the pendulum and a cable for tethering an end of the housing to the vessel.

REFERENCES:
patent: 3483341 (1969-12-01), Reichensperger
patent: 3864538 (1975-02-01), Paradis et al.
patent: 3944770 (1976-03-01), Pepper
patent: 4021194 (1977-05-01), Matsusaka
patent: 4262216 (1981-04-01), Johnston
patent: 4302641 (1981-11-01), Johnston
patent: 4321438 (1982-03-01), Emenegger
patent: 4373155 (1983-02-01), Dola
patent: 4629841 (1986-12-01), Riback et al.
patent: 4644117 (1987-02-01), Grimes et al.
patent: 4917135 (1990-04-01), Duncan
FLYGT brochure ENH 10.02.07.Eng. 4M.7.85 "ENH-10 Controlling the liquid level".

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