Patent · US Expired

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

US6644116B2 · kind B2 · utility

11Cited by

16References

8Claims

0Family size

Assignee

ENDRESS+HAUSER GMBH+CO.KG · DE

Inventors

Igor Getman · Lörrach, DE
Sergej Lopatin · Lörrach, DE
Armin Rupp · Weil am Rhein, DE
Bernd Kastner · Schopfheim, DE

Key dates

Filing date	Jun 19, 2002
Grant date	Nov 11, 2003
Priority date	—
Expiry date	Jun 19, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG01F23/2967
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A device for determining and/or monitoring the level of a medium in a container or for ascertaining the density of a medium in the container embodied as a vibration detector. According to the invention the vibration detector still functions reliably even under extreme process conditions and upon abrupt changes in process conditions. The vibration detector has a tubular inner part provided, which is dimensioned such that it is positioned between the housing wall and a drive/receiving unit, and that the tubular inner part is connected to the housing or to the diaphragm.

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