Thermal measuring and testing – Temperature measurement – By electrical or magnetic heat sensor
Patent
1984-11-29
1986-09-30
Yasich, Daniel M.
Thermal measuring and testing
Temperature measurement
By electrical or magnetic heat sensor
136221, 136230, 374179, 374208, 403349, G01K 114, G01K 700
Patent
active
046144439
ABSTRACT:
A thermal sensor, in particular for a chemical reactor comprises an enamelled cylindrical shell having at its inner end a thin base and an inner sleeve welded to the base of the shell. A temperature measuring head comprising at least one thermal sensing element in a compression resistant insulating mass of low thermal inertia in a casing is pressed against the base of the shell by a compression spring acting between the temperature measuring head and a connector coupled to the inner sleeve of the shell by a bayonet point. Lead wires from the temperature measuring head extend out through a tubular stem having at its inner end a socket connected with the connector by a second bayonet joint. A guide sleeve has an inner end surrounding the inner sleeve of the shell and a reduced diameter outer end receiving the tubular stem. The bayonet joints provide for easy removal and replacement of the temperature measuring head.
REFERENCES:
patent: 2839594 (1958-06-01), Schneidersmann
patent: 3322416 (1967-05-01), Ostberg
patent: 3555489 (1971-01-01), Brickle et al.
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Societe de Dietrich & Cie
Yasich Daniel M.
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