Inductance liquid level meter

Details Inductance liquid level meter Inductance liquid level meter

1985-05-30

1986-12-09

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

324207, 336183, G01F 2376, G01R 3300

Patent

active

046272801

ABSTRACT:
The present invention relates to a liquid level meter, comprising a coil having a core, a float which is provided at the external circumference of coil so that it can move in the longitudinal direction along the same core and comprises a conductor ring, a detector which detects change of inductance of coil in accordance with movement of said float namely conductor ring, a converting circuit which converts change of inductance detected by the detector into change of voltage and a liquid level indicator which is driven by a drive circuit in accordance with such conversion.

REFERENCES:
patent: 0986210 (1911-03-01), Pearson
patent: 2424766 (1947-07-01), Miner
patent: 2484690 (1949-10-01), DeGiers
patent: 2853878 (1958-09-01), Anderson et al.
patent: 3678748 (1972-07-01), Dziedzic
patent: 3678750 (1972-07-01), DiNola et al.
patent: 3688187 (1972-08-01), Loos
patent: 4305285 (1981-12-01), Kubota et al.

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