Device for the capacitive level height measurement of liquids or

Details Device for the capacitive level height measurement of liquids or Device for the capacitive level height measurement of liquids or

1978-07-31

1980-05-27

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

Immersible electrode type

324 65P, 361284, G01F 2326, G01R 2726

Patent

active

042044278

ABSTRACT:
A device for the capacitive level height measurment of liquids in motor vehicle tanks, with a measuring sensor with at least two electrodes which are arranged axially parallel to each other and a carrier, and an evaluation circuit containing an oscillator, with the measuring sensor and an indicator instrument being connected to the evaluation circuit. One electrode is made of an electrically conducting layer which is disposed on the elongated insulating material plate and the other electrode is formed in the shape of a U-shaped elongated metal carrier; on the legs of the carrier there is fastened the insulating material plate contacting another conducting layer in the insulating material plate, and the evaluation circuit is constructed in microelectronic technology, is electrically connected to the conducting layers, and is fastened on that part of the measuring sensor which projects from the liquid or solid, respectively.

REFERENCES:
patent: 2998559 (1961-08-01), Smith
patent: 3025201 (1962-03-01), Ponemon
patent: 3986110 (1976-10-01), Overall et al.
patent: 4016490 (1977-04-01), Weckenmann et al.
patent: 4025846 (1977-05-01), Franz
patent: 4038871 (1977-08-01), Edwards

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