Surface thermocouple assembly and method of making same

Details Surface thermocouple assembly and method of making same Surface thermocouple assembly and method of making same

1980-05-08

1982-07-06

Sebastian, Leland A.

Batteries: thermoelectric and photoelectric

Thermoelectric

Having additional contact means for sensing solid work

29573, 136232, 136233, 136242, H01F 3502

Patent

active

043384790

ABSTRACT:
A surface thermocouple assembly and method of making same, characterized by a sheathed thermocouple cable having a sensing end including a preformed segment of solid metal welded to the end face of the sheath. The preformed metal segment has a contact face extending the full length thereof substantially parallel to the adjacent axial portion of the cable and adapted for contiguous intimate contact with the skin or external surface of the member whose temperature is to be monitored. Axially inwardly spaced a short distance from the end face of the sheath is a measuring junction which is formed by welding the ends of the thermocouple wires to the inside diameter of the sheath. Insulation material completely surrounds the measuring junction, and the end face of the sheath is closed by an end closure of weld metal which is ground flat to provide a uniformly flat attachment surface for attachment of the preformed segment thereto as by butt welding around the entire periphery of such surface.

REFERENCES:
patent: 2048681 (1936-07-01), Davidson et al.
patent: 3016412 (1962-01-01), Ross
patent: 3143439 (1964-08-01), Hansen
patent: 3533288 (1970-10-01), Franck
patent: 3907606 (1975-09-01), Chang
patent: 4043200 (1977-08-01), Finney
patent: 4114444 (1978-09-01), Schwenninger
patent: 4164433 (1979-08-01), Granahan et al.

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