Temperature sensing device

Details Temperature sensing device Temperature sensing device

1974-11-13

1976-06-29

Davis, Jr., Albert W.

Heat exchange

Movable heating or cooling surface

165185, 165DIG7, 73351, 733628, 165 11, F28D 1102

Patent

active

039659739

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: 3307621 (1967-03-01), Whisnant et al.
patent: 3809855 (1974-05-01), Neal

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