Liquid level indicator

Details Liquid level indicator Liquid level indicator

1976-01-15

1977-01-04

Woodiel, Donald O.

Measuring and testing

Liquid level or depth gauge

Float

73DIG5, G01F 2312

Patent

active

040006514

ABSTRACT:
A liquid level indicator with a magnetic acting float which is movable along the exterior of a ribbed tube which extends substantially vertically in the liquid container. Within the tube is movable up and down a sensor which reacts magnetically on the float and thereby controls the direction of rotation of an electric motor which via a gear wheel and a longitudinally perforated metal band which is coated with insulating material and acts as one electric conductor, and the tube acts as the second electric conductor from the sensor via a gliding contact.

REFERENCES:
patent: 2592929 (1952-04-01), Matchett
patent: 3433073 (1969-03-01), Kunert
patent: 3555905 (1971-01-01), George

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