Patent · US Expired

Temperature detector for use in high temperature and high pressure furnaces

US5092938A · kind A · utility

4Cited by
16References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 14, 1988
Grant dateMar 3, 1992
Priority date
Expiry dateOct 14, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01K7/04
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A temperature detector for use in a high temperature and high pressure furnace, including thermocouple wires received in a tubular protective sheath for protection against the furnace atmosphere, and characterized by the provision of a pair of rod members of a large diameter serving as a thermocouple pair for the positive and negative sides thereof, a protective sheath having a rod suspending holder portion in an upper portion thereof for supporting the thermocouple rod members therein in a vertically suspended state and arranged to hold the rod members out of contact with each other except at a temperature measuring point and to contact the rod members with the protective sheath only in a region other than a high temperature region of the furnace.

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