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Magnetic device for magneto caloric heat pump regenerator

  • US 9,631,843 B2
  • Filed: 02/13/2015
  • Issued: 04/25/2017
  • Est. Priority Date: 02/13/2015
  • Status: Active Grant
First Claim
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1. A magnetic device for a magnetocaloric heat pump, comprising:

  • an outer magnetic flux circuit, comprisinga first plurality of magnets arranged in pairs along a circumferential direction of the device with magnet polarity of the pairs alternating between north poles facing inward and north poles facing outward from pair to pair along the circumferential direction;

    an inner magnetic flux circuit located radially inward from the outer magnetic flux circuit and comprisinga second plurality of magnets arranged along the circumferential direction and spaced apart from each other; and

    wherein the outer magnetic circuit and the inner magnetic circuit create at least four fields of increased magnetic flux density between the outer magnetic circuit and the inner magnetic circuit.

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