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Use of regenerator in thermodynamic cycle system

  • US 10,082,045 B2
  • Filed: 12/28/2016
  • Issued: 09/25/2018
  • Est. Priority Date: 12/28/2016
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a working fluid;

    a compressor;

    a hot side heat exchanger;

    a turbine;

    a cold side heat exchanger;

    a first buffer tank, a second buffer tank, a third buffer tank, and a fourth buffer tank;

    a regenerator, wherein the regenerator comprises a thermal mass configured to contact the working fluid and exchange heat with the working fluid in contact with the thermal mass;

    a first fluid path comprising the working fluid flowing from the first buffer tank and through, in sequence, the compressor, the hot side heat exchanger, the regenerator, the turbine, and the cold side heat exchanger, and to the second buffer tank;

    a second fluid path comprising the working fluid from the third buffer tank and through, in sequence, the turbine, the cold side heat exchanger, the regenerator, the compressor, and the hot side heat exchanger, and to the fourth buffer tank; and

    a valve system configured to switch circulation of the working fluid between the first fluid path and the second fluid path.

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