Patent · US Expired

Vibratory viscometer

US6112581A · kind A · utility

4Cited by
25References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1997
Grant dateSep 5, 2000
Priority date
Expiry dateSep 10, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N11/162
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A transducer for a vibratory viscometer includes a hollow cylindrical sheath and a hollow cylindrical shaft disposed within the cylindrical sheath. The shaft has a first end portion and a second end portion connected to a distal end portion of the sheath. The viscometer includes a sensor tip connected to the distal end portion of the sheath. The sensor tip has an inner surface defining a hollow region and a support tube disposed within the hollow region configured to hold a temperature sensor. The viscometer further includes a crossbar coupled to the first end portion of the shaft.

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