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Magnetic regenerator, a method of making a magnetic regenerator, a method of making an active magnetic refrigerator and an active magnetic refrigerator

  • US 8,061,147 B2
  • Filed: 12/19/2005
  • Issued: 11/22/2011
  • Est. Priority Date: 01/12/2005
  • Status: Expired due to Fees
First Claim
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1. A method of making a magnetic regenerator for an active magnetic refrigerator, the method comprising:

  • forming a magnetic regenerator from a slurry or a paste containing magnetocaloric material, the magnetic regenerator being formed to have paths in the form of plural discrete channels therethrough for the flow of a heat transfer fluid; and

    varying the composition of the magnetocaloric material and/or the slurry or paste so that the magnetic transition temperature of the magnetic regenerator varies along the channels.

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