Batteries: thermoelectric and photoelectric – Thermoelectric – Having housing – mounting or support
Patent
1986-04-14
1988-05-31
Richman, Barry S.
Batteries: thermoelectric and photoelectric
Thermoelectric
Having housing, mounting or support
136234, 136201, 136231, H01L 3502
Patent
active
047478837
ABSTRACT:
A thermocouple assembly including a thermocouple probe having facilities mounted thereto to protect the probe, e.g. from the hostile environment of a mounting hole provided through a refractory wall of a glassmaking furnace into which the probe extends for measuring the temperature of molten glass contained by the furnace. The facilities to protect the probe include an outer sleeve disposed in surrounding relation to a selected portion of the probe to form a first annular space between the outer surface of the probe and the inner surface of the sleeve; facilities for sealing the first annular space from atmosphere outside thereof; and, facilities for continuously moving a corrosion-inhibiting gas into, through, and out of the first annular space to thereby flush any infiltrating oxygen an/or alkali-sulfate corrosives out of the first annular space. Additional facilities may also be provided to continuously flush any infiltrating oxygen and/or alkali-sulfate corrosives out of a second annular space internal to the probe.
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Krumwiede John F.
Sims Roy M.
Lepiane Donald C.
PPG Industries Inc.
Richman Barry S.
Wallen T. J.
Westerlund, Jr. Robert A.
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