Arrangement for measuring the temperature in a heating system co

Details Arrangement for measuring the temperature in a heating system co Arrangement for measuring the temperature in a heating system co

1986-10-17

1988-06-07

Pellinen, A. D.

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

219449, 219502, 250353, 374121, G01J 528, G01K 1300

Patent

active

047492805

ABSTRACT:
An apparatus for measuring the temperature in a heating system comprising a cooking pot with cooking material positioned on a hot plate where a radiation receiver is arranged at a distance from the wall of the cooking pot and aligned with it, which receiver produces a temperature measurement signal corresponding to the temperature of the cooking material in the cooking pot. The temperature measurement signal is derived from a detected radiation area on the wall of the cooking pot which corresponds to the radiation measuring field of the radiation receiver. The effect of different distances of the cooking pot from the radiation receiver is automatically compensated for by aligning the center axis of the radiation measurement field at an acute angle to the support surface of the hot plate, so that the distance of the center of the detected radiation area from the bottom of the cooking pot increases with an increasing distance of the wall of the cooking pot from the radiation receiver.

REFERENCES:
patent: 4020695 (1977-05-01), Roney
patent: 4582426 (1986-05-01), Douglas
patent: 4614441 (1986-09-01), Wolf

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