Electricity: circuit makers and breakers – Float – Float and pressure
Patent
1985-05-08
1986-09-02
Tolin, G. P.
Electricity: circuit makers and breakers
Float
Float and pressure
340 59, 340624, H01H 3518
Patent
active
046097961
ABSTRACT:
A float operated liquid level sensing switch for horizontal mounting in the sidewall of a container is disclosed. The switch can be inserted into an aperture in the sidewall regardless of its circumferential orientation with full assurance that its float is properly oriented to perform the level sensing function. The float is tubular and contains a weighting means which orients the float to a unique circumferential orientation. This positions a magnet on the float to a unique operating range. A reed switch is contained horizontally within a body portion of the switch and is surrounded by the float. The magnet is disposed to operate in a vertical plane relative to the reed switch and when the level drops to a certain level, the float similarly drops causing the magnet to activate the reed switch. In order to attain overlying relationship of the magnet to the reed switch, a pendulum weight is also included on the float diametrically opposite the magnet. The switch and electrical circuitry are isolated from the liquid whose level is being sensed.
REFERENCES:
patent: 3227839 (1966-01-01), Brown
patent: 3750124 (1973-07-01), Barnes
patent: 4090050 (1978-05-01), Siiberg
patent: 4467156 (1984-08-01), Dvorak
Hi-Stat Michigan Manufacturing Co., Inc.
Tolin G. P.
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