Batteries: thermoelectric and photoelectric – Thermoelectric – Having housing – mounting or support
Patent
1991-12-06
1993-07-27
Nelson, Peter A.
Batteries: thermoelectric and photoelectric
Thermoelectric
Having housing, mounting or support
136213, 136230, 136234, H01L 3502
Patent
active
052307450
ABSTRACT:
A thermocouple housing having a ceramic protection tube with a closed end for immersion into a metal melt and an open end for receiving thermocouple wires. The ceramic protection tube has a reduced diameter portion spaced from the open end by a distance x. A metal protection tube having a threaded end and adapted at an opposite end for attachment to a connection head for electrical connection of the thermocouple wires to a meter for measuring a potential difference between the wires is connected to the ceramic protection tube by an adaptor. The adaptor comprises a hollow body having a through passage which receives the ceramic protection tube at one end and the metal protection tube at an opposite end, the through passage being threaded for coupling to the metal protection tube. A radially inwardly directed shoulder projecting into the through passage is spaced from the threaded end by a distance which exceeds x and is dimensioned so as to accommodate the open end of the ceramic protection tube. A split locating ring is positioned in the reduced diameter portion and abuts on the shoulder. A retaining collar is positioned adjacent the locating ring so as to sandwich the ring between the collar and the shoulder. At least one bore is provided through the collar in alignment with respective corresponding bores in the adaptor body which receive drive pins to secure the collar to the body.
REFERENCES:
patent: 3287176 (1966-11-01), McAlvay
patent: 4777844 (1988-10-01), DeBell et al.
patent: 4871263 (1989-10-01), Wilson
patent: 5030294 (1991-07-01), Burley
patent: 5043023 (1991-08-01), Bentley
patent: 5071258 (1991-12-01), Usher et al.
Chretien Jacques
Landry Gilles
Tremblay Rosaire
Alcan International Limited
Nelson Peter A.
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