Apparatus for determining and/or monitoring the viscosity of a medium in a container
US6711942B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2001 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Sep 14, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N11/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to an apparatus for determining and/or monitoring the viscosity of a medium in a container, having a unit which can oscillate, having a drive/reception unit and having a control/evaluation unit, in which case the unit which can oscillate is arranged at a defined measurement position within the container and/or in which case a unit which can oscillate is fitted such that it is immersed as far as a defined immersion depth in the medium, and in which case the drive/reception unit excites the unit which can oscillate to oscillate and/or in which case the drive/reception unit receives the oscillations from the unit which can oscillate. The control/evaluation unit uses the frequency/phase curve (&phgr;=g(f)) of the unit which can oscillate to determine the viscosity (&eegr;) of the medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.