Patent · US Expired

Sensor for measurement by electrical heating and method for manufacture of the same

US4804935A · kind A · utility

3Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 21, 1987
Grant dateFeb 14, 1989
Priority date
Expiry dateJan 21, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49085
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A sensor for electrical heating measurement has a core rod which is partly reduced in diameter to form an annular recess, an inner electrically insulating layer formed within the annular recess, a thin metal wire wound about the inner electrically insulating layer, an outer electrically insulating layer covering the metal wire winding and being flush with the outer circumferential surface of the core rod, and a metal sleeve being in intimate contact with the outer circumferential surface of the core rod throughout the overall length thereof.

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