Thermocouple surface probe

Details Thermocouple surface probe Thermocouple surface probe

1982-09-07

1984-06-12

Sebastian, Leland A.

Batteries: thermoelectric and photoelectric

Thermoelectric

Including means to resiliently press junction element...

29573, 136230, 374179, 374208, H01L 3528

Patent

active

044543700

ABSTRACT:
A pair of resilient side-by-side elongated coils of different thermocouple material are mounted in a ceramic housing and project forwardly with their forward ends connected to form a thermocouple junction that is adapted to be pressed against a surface of which temperature is to be measured. A retractable protective sleeve is spring-urged to a forward position in which it extends beyond the end of the thermocouple housing and is retractable, when the probe is pressed against the surface, to a limit position in which the end of the ceramic thermocouple housing is maintained just clear of the surface, while the resilience of the thermocouple coils enables good contact of the junction and the surface.

REFERENCES:
patent: 2839594 (1958-06-01), Schneidersmann
patent: 2988582 (1961-06-01), McGregor et al.
patent: 3151484 (1964-10-01), Feehan et al.
patent: 3533288 (1970-10-01), Franck
patent: 3589192 (1971-06-01), Sabovik
patent: 3681990 (1972-08-01), Barrett et al.
patent: 3741816 (1973-06-01), Wagner
patent: 3834237 (1974-09-01), Robertson
patent: 4001045 (1977-01-01), Smith
patent: 4101343 (1978-07-01), Feichter et al.
patent: 4118986 (1978-10-01), Werner et al.
patent: 4155776 (1979-05-01), Romer
Instruments, vol. 20, Aug. 1947, p. 730.

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