Patent · US Expired

Apparatus for determining and/or monitoring the filling level of a product in a container

US7159458B2 · kind B2 · utility

4Cited by

4References

11Claims

0Family size

Assignee

Endress+Hauser Inc. · DE

Inventors

Ralf Reimelt · Freiburg (Elbe), DE
Herbert Schroth · Schopfheim, DE
Armin Wendler · Glückstadt, DE

Key dates

Filing date	Jul 6, 2001
Grant date	Jan 9, 2007
Priority date	—
Expiry date	Jul 8, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG01F23/284
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A measuring device for determining the filling level of a product or the position of the interface between two media or phases in a container by means of high-frequency measuring signals which are guided along a waveguide. The waveguide comprises a wire cable with a plurality of individual wires of a predetermined diameter which are twisted together.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.