Temperature controller
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United States of America Patent
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-
Jan 12, 1982
Grant Date -
N/A
app pub date -
Jan 14, 1980
filing date -
Jan 15, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for maintaining the temperature of a body at a desired value comprises a thermo-electric heat pump sandwiched between a thermally conductive member and a heat sink. The heat sink is maintained at a substantially constant temperature above the ambient temperature by an electrical heating element. This arrangement reduces the effect of changes in ambient temperature and enables the heat pump to work across a substantially constant temperature differential.
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