Sealed temperature probe

Details Sealed temperature probe Sealed temperature probe

1983-09-23

1985-07-09

Yasich, Daniel M.

Thermal measuring and testing

Temperature measurement

By electrical or magnetic heat sensor

136230, 374179, 374183, 374208, G01K 700, G01K 108

Patent

active

045279098

ABSTRACT:
A temperature probe has a metal casing, closed at one end and open at its other, in which a temperature sensor is buried in compacted hygroscopic mineral insulation having an exposed end face through which extend wires from the sensor. Such end face is sealed to keep it dry by a metal tube having one end surrounding and brazed to the metal casing, and plugged at its other end by a body of compressed sealant material. Lead wires extend through the sealant body and are electrically joined in a space provided between the exposed end face of mineral insulation and the opposing inner end face of the sealant plug.

REFERENCES:
patent: 2838935 (1958-06-01), Di Cecio et al.
patent: 3040579 (1962-06-01), Taylor
patent: 3151484 (1964-10-01), Feehan et al.
patent: 3535165 (1970-10-01), Webb
patent: 3966500 (1976-06-01), Brixy
patent: 3996071 (1976-12-01), Klicks et al.
patent: 4018624 (1977-04-01), Rizzolo
patent: 4234197 (1980-11-01), Amancharla et al.
patent: 4453835 (1984-06-01), Clawson et al.

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