Temperature sensors

Details Temperature sensors Temperature sensors

1977-08-16

1979-07-24

Sebastian, Leland A.

Batteries: thermoelectric and photoelectric

Thermoelectric

Having housing, mounting or support

73341, 73359R, 176 19J, 136230, H01L 3502

Patent

active

041621751

ABSTRACT:
A temperature measuring device for measuring temperatures at axially spaced positions along the bore of a tube comprises a sensor in the form of a central rigid wire of constantan base alloy on to which thermocouple foils are spot welded at prescribed locations. The foils are silver plated over half their length thus forming a silver/constantan thermojunction; the constantan end of the junction only being welded to the rigid wire. A copper wire is crimped to the silver plated end of each foil. The detector may be supported coaxially within a resistance heated tube and in use the temperatures sensed by the thermocouples are continuously monitored.

REFERENCES:
patent: 2677772 (1954-05-01), Moon
patent: 3230771 (1966-01-01), Kealy et al.
patent: 3459925 (1969-08-01), Goosey et al.
patent: 3512413 (1970-05-01), Von Krusenstierna et al.
patent: 3862574 (1975-01-01), Antoine

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