Temperature sensing device for a rotating fixing roller

Details Temperature sensing device for a rotating fixing roller Temperature sensing device for a rotating fixing roller

1994-02-22

1994-11-22

Gutierrez, Diego F. F.

Thermal measuring and testing

Temperature measurement

Combined with diverse art device

374208, G01K 114, G01K 1308

Patent

active

053662911

ABSTRACT:
In a device for sensing a temperature of a fixing roller, a thermistor is provided on a flat upper surface of a support member made of a foamed silicone material, with a heat conductive material provided between them. A heatproof protective sheet is wrapped around so that the thermistor is partially sunk into the support member by the tightness of the wrapping. The heat conductive material is thereby deformed to the thermistor's shape. At the same time, the top part of the thermistor is always protruded from the upper part of the support member. A holder keeps this construction in contact with the circumferential surface of the fixing roller.

REFERENCES:
patent: 2095877 (1937-10-01), Junkins
patent: 2627182 (1953-02-01), Quereau et al.
patent: 4091673 (1978-05-01), Tamura et al.
patent: 4419023 (1983-12-01), Hager, Jr.
patent: 4441827 (1984-04-01), Coderre
patent: 4614443 (1986-09-01), Hamert
patent: 5176451 (1993-01-01), Sasada et al.
Engineering, vol. 194, No. 5043, Dec 14, 1962; London, GB p. 768 "Measuring Temperatures of Fast moving Surfaces".

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