Thermoelectric cooling/heating system for high purity or corrosive liquids
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United States of America Patent
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May 4, 1999
Grant Date -
N/A
app pub date -
Dec 2, 1997
filing date -
Dec 2, 1997
priority date (Note) -
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Abstract
A novel thermoelectric liquid heat exchange device for corrosive or high purity liquids is provided for. The heat exchange device has an array thermoelectric modules, with first and second heat exchanger plates arranged so as to sandwich the thermoelectric modules between the heat exchanger plates. One of the heat exchanger plates has a thermally conductive metal base plate, plastic tubing and a cover plate. The base plate has a flat side contacting the thermoelectric modules, and an opposing side with grooves of a preselected depth. The plastic tubing has a diameter to match the depth of the grooves so that the tubing engages the grooves. The cover plate is fastened to the base plate and over the plastic tubing in the grooves of the base plate to press the tubing into the grooves to improve thermal contact between the plastic tubing and the base plate. The plastic tubing carries the corrosive or high purity liquids for heating or cooling by the operation of the thermoelectric modules and the other heat exchanger plate.
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