Patent · US Expired

Device for determining and monitoring the level of a medium in a container

US7864104B2 · kind B2 · utility

8Cited by

9References

9Claims

0Family size

Assignee

ENDRESS+HAUSER GMBH+CO.KG · DE

Inventors

Qi Chen · Maulburg, DE
Klaus Feisst · Kirchzarten, DE
Eric Bergmann · Steinen, DE

Key dates

Filing date	Apr 27, 2006
Grant date	Jan 4, 2011
Priority date	—
Expiry date	Apr 27, 2026

Classification

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

Abstract

The invention relates to an apparatus (1) for ascertaining and monitoring fill level (2) of a medium (3) in a container (4) by means of a travel-time measuring method of high-frequency measurement signals (6) with a horn antenna (7) having a waveguide section (8), a flared, horn section (9) and a cavity (11) filled, at least partially, with a dielectric filling body (12). Object of the invention is to provide a simple, temperature-stable, horn antenna filled with a dielectric material.

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