Temperature sensor

Details Temperature sensor Temperature sensor

1991-06-28

1993-01-05

Cuchlinski, Jr., William A.

Thermal measuring and testing

Temperature measurement

By electrical or magnetic heat sensor

374208, 136221, 136230, 219450, G01K 108, G01K 704

Patent

active

051764512

ABSTRACT:
A temperature sensor for use in a heating apparatus is disclosed. The temperature sensor includes a rigid cylindrical body and upper and lower plates disposed at one end of the rigid cylindrical body. A first electrical insulator is interposed between the upper and lower plates and has a recess filled with a second electrical insulator, in which a hot junction of a thermocouple is buried. Since the respective components are just in contact with each other without any bonding therebetween, there arises no stress in the temperature sensor even at high temperatures. Furthermore, even if a short circuit occurs in the thermocouple, data indicating the short circuit is output from the temperature sensor to the control system of the heating apparatus, thereby assuring safety in the operation of the heating apparatus.

REFERENCES:
patent: 3153769 (1964-10-01), Moses
patent: 3671328 (1972-06-01), Dixon et al.
patent: 3956936 (1976-05-01), Brixy
patent: 4241289 (1980-12-01), Bowling
patent: 4321827 (1982-03-01), Anderson
patent: 4614443 (1986-09-01), Hamert
patent: 4770545 (1988-09-01), Takada et al.
patent: 4812624 (1989-03-01), Kern

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