Temperature sensing device

Details Temperature sensing device Temperature sensing device

1974-11-13

1976-01-27

Queisser, Richard C.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73351, G01K 116, G01K 716, G01K 1308

Patent

active

039344770

ABSTRACT:
A conductive heat transfer mechanism through which energy readily flows between two bodies or systems at different temperatures. The present mechanism is embodied in a temperature sensing network for determining and controlling the surface temperature of a xerographic fuser roll. The network includes a probe shoe containing at least one temperature sensing element with the shoe being positioned in close non-contiguous relation with the moving surface of a heated fuser roll. A magnetic flux field is created within the air gap between the heated roll surface and the probe shoe and a magnetic medium, preferably being in fluid form, having a relatively high coefficient of thermal conductivity is placed within the flux field through which a rapid and efficient flow of heat is maintained.

REFERENCES:
patent: 2279846 (1942-04-01), Stapleton
patent: 3357249 (1967-12-01), Bernous et al.
patent: 3533288 (1970-10-01), Franck
patent: 3690176 (1972-12-01), Connolly et al.

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