Batteries: thermoelectric and photoelectric – Thermoelectric – Having housing – mounting or support
Patent
1997-03-13
1999-06-29
Patel, Harshad
Batteries: thermoelectric and photoelectric
Thermoelectric
Having housing, mounting or support
374140, H01L 3502, G01K 112
Patent
active
059171456
ABSTRACT:
Apparatus for and a method of measuring the temperature of molten aluminum or aluminum alloys. The apparatus comprises a temperature measuring device, usually a thermocouple, contained within a protective tubular sheath, the sheath enclosing the temperature measuring device at least to a point above the point of maximum immersion in molten aluminum during use of the apparatus. The sheath comprises at least one inner layer closed at one end, and an outer layer, the outer layer being made of steel or cast iron, and the inner layer being made of a continuous refractory material. The outer layer and the at least one inner layer are free of discontinuous (refractory) refractory materials between them. The continuous refractory material may be, for example, a carbon fiber-reinforced carbon or graphite fiber-reinforced calcium silicate refractory, and is resistant to failure in, i.e. penetration by, molten aluminum or aluminum alloy. The apparatus is long-lived and durable and does not contaminate the molten metal when it fails.
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Parent Luc
Tremblay Sylvain P.
Alcan International Limited
Clark Robin C.
Patel Harshad
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