Temperature sensor with improved thermal barrier and gas seal be

Thermal measuring and testing – Temperature measurement – Combined with diverse art device

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374208, G01K 108, G01K 1302

Patent

active

057436460

ABSTRACT:
A temperature sensor comprising: a hollow tube with a first end and a second end, wherein the second end is closed sealing a cavity within the tube from an environment outside of the tube and wherein the first end has an exterior cylindrical surface; a temperature responsive sensing element within the tube proximate to the second end; a glass cylinder having an inner cylindrical surface in sealing engagement with the exterior cylindrical surface of the first end of the tube; and a sensor housing having an inner cylindrical cavity bounded by an inner cylindrical wall, wherein an outer cylindrical surface of the glass cylinder is sealingly engaged with the inner cylindrical wall.

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patent: 4485263 (1984-11-01), Itoyama et al.
patent: 4934831 (1990-06-01), Volbrecht
patent: 5329806 (1994-07-01), McClanahan et al.

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