Temperature sensor

Details Temperature sensor Temperature sensor

1993-01-29

1993-10-26

Cuchlinski, Jr., William A.

Thermal measuring and testing

Temperature measurement

By electrical or magnetic heat sensor

374188, 374142, 374176, 2524081, 252962, 324227, 324234, 324236, 324230, G01K 738

Patent

active

052559815

ABSTRACT:
A temperature sensor has a body whose thermal expansion is evaluated in the event of a change in temperature, there being deposited on the body a layer which has a layer structure containing less than 8% by weight of phosphorus, preferably containing up to 3% by weight of phosphorus, up to 2% by weight of an element of main group IV or main group V, in particular antimony, and up to 5% by weight of a transition metal element, in particular cobalt. The percentages by weight resulting from the sum being increased up to 100% with nickel. The layer modifies the magnetic flux in a coil arrangement comprising at least one coil. This change in the magnetic flux in the coil arrangement is evaluated and the change in the magnetic flux being detected as a change in the inductance. The change in length of the body and the change in temperature are deduced therefrom.

REFERENCES:
patent: 1945378 (1934-01-01), Robbins
patent: 2222425 (1940-11-01), Wehe
patent: 2350329 (1944-06-01), Hornfeck
patent: 3459043 (1969-08-01), Young
patent: 3568050 (1971-03-01), Dill
patent: 3950993 (1976-04-01), Sidor
patent: 4869598 (1989-09-01), McDonald

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