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Thermoelectric refrigerator with evaporating/condensing heat exchanger

  • US 6,003,319 A
  • Filed: 04/10/1998
  • Issued: 12/21/1999
  • Est. Priority Date: 10/17/1995
  • Status: Expired due to Term
First Claim
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1. A thermoelectric refrigerator having a thermoelectric heat transfer system to maintain temperature within an interior portion of the thermoelectric within a selected range, comprising:

  • a thermoelectric device with a plurality of thermoelectric elements for transferring thermal energy therethrough;

    first and second thermally conductive plates having the thermoelectric elements disposed therebetween;

    the first thermally conductive plate disposed within the interior portion of the thermoelectric refrigerator;

    a heat exchanger containing a working fluid;

    the heat exchanger having a first, sealed chamber with a first surface for evaporating the working fluid and a second, sealed chamber with a second surface for condensing the working fluid;

    the second condensing surface located remote from the first evaporating surface;

    the first evaporating surface of the heat exchanger thermally coupled with the second conductive plate of the thermoelectric device;

    a fluid flow path extending between the first chamber and the second chamber;

    the fluid flow path communicating the working fluid between the first chamber and the second chamber; and

    the working fluid cooperating with the thermoelectric elements to transfer heat energy from the first thermally conductive plate through the thermoelectric elements, the second thermally conductive plate, the first evaporating surface to the second condensing surface of the heat exchanger.

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