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Heat transfer apparatus and method employing active regenerative cycle

  • US 6,332,323 B1
  • Filed: 02/25/2000
  • Issued: 12/25/2001
  • Est. Priority Date: 02/25/2000
  • Status: Expired due to Fees
First Claim
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1. A heat transfer apparatus employing an active regenerative cycle for transferring beat from a thermal load to a heat sink comprising(A) a regenerator comprising working fluid contained in a plurality of separate first vessels arranged in an ordered array, each of said first vessels having a designated location between said thermal load and said heat sink and having a mean operating temperature corresponding to said designated location;

  • (B) a heat transfer fluid physically separated from said working fluid and in thermal communication with said thermal load and said heat sink;

    (C) work input means for periodically compressing and expanding said working fluid to alternatively increase and decrease the temperature thereof; and

    (D) circulation means for periodically circulating said heat transfer fluid relative to said working fluid to either accept heat from or transfer heat to said working fluid.

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