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EP0029485A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Device for capacitive level measurement

Assignee: Mannesmann VDO AG
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Filing: 1980-08-14
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Granted: —
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Expires: 2000-08-14
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Abstract

Abstract Translated from German Bei einer Einrichtung zur kapazitiven Füllstandsmessung sind ein in das zu messende Medium tauchender Meßkondensator (1) und ein in das Medium eingetauchter Kompensationskondensator (2) zur Kompensation unterschiedlicher Dielektrizitätskonstanten sowie eine elektrische Auswerteschaltung vorhanden, die von dem komplexen Leitwert des Meßkondensators und des Kompensationskondensators jeweils nur den Imaginärteil, nicht aber den Realteil auswertet. Dadurch wird eine besonders genaue, von den Stoffeigenschaften des Mediums unabhängige Füllstandsmessung erreicht. In a device for capacitive level measurement, there is a measuring capacitor (1) immersed in the medium to be measured and a compensation capacitor (2) immersed in the medium for compensating for different dielectric constants, and an electrical evaluation circuit, each of which is only dependent on the complex conductance of the measuring capacitor and the compensation capacitor evaluates the imaginary part, but not the real part. This enables a particularly precise level measurement that is independent of the material properties of the medium.

Inventors

  • 👤 Frank Kühnel

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 08:46
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26; G01F23/263; G01F23/266

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3167959A Cited
DE1648153A1 Cited
DE1925422A1 Cited
US3534606A Cited
US3801902A Cited
DE2521687A1 Cited

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