Electric resistance temperature sensor

Details Electric resistance temperature sensor Electric resistance temperature sensor

1997-05-30

1999-03-30

Gellner, Michael L.

Electrical resistors

Resistance value responsive to a condition

Ambient temperature

338 22R, 338 25, 338 30, 338238, H01C 710

Patent

active

058894608

ABSTRACT:
An electrical resistance temperature sensor (11) contained in a stainless steel, tubular jacket (12), which has a very small diameter of approximately 1 mm, a platinum resistance coil (18) running between two joining bolts (14, 19). The resistance coil with a positive temperature characteristic of the resistance is placed in an embedding medium (17), which comprises a mixture of magnesium oxide or aluminium oxide and cerium dioxide.
For use as an integrating temperature sensor for a catalytic converter, said adequately flexible temperature sensor can be wound into a roll of smooth and corrugated metal sheets and fixed by soldering in vacuo.

REFERENCES:
patent: 3195093 (1965-07-01), Dillon
patent: 3723935 (1973-03-01), Frazier et al.
patent: 4398169 (1983-08-01), Hayashi
patent: 4977385 (1990-12-01), McQueen
patent: 5071258 (1991-12-01), Usher et al.
patent: 5093555 (1992-03-01), Dupuis et al.
patent: 5142266 (1992-08-01), Friese et al.
patent: 5309133 (1994-05-01), Berger et al.
Patent Abstracts of Japan, Publication No.: 07005050 A, Jan. 10, 1995, in English.

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