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MAGNETIC HEAT PUMP SYSTEM

  • US 20120272666A1
  • Filed: 04/25/2012
  • Published: 11/01/2012
  • Est. Priority Date: 04/28/2011
  • Status: Active Grant
First Claim
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1. A magnetic heat pump system comprising:

  • a magnetic heat pump device;

    a heat radiating device for radiating heat of heat transport medium, which is discharged from one end of the magnetic heat pump device, to an outside of the heat radiating device; and

    a heat absorbing device for absorbing heat from an outside of the heat absorbing device into the heat transport medium discharged from the other end of the magnetic heat pump device,wherein the magnetic heat pump device comprises;

    a container in which magnetocaloric effect material is accommodated and through which the heat transport medium passes;

    a magnetic field changing unit for changing degree of magnetic field to be applied to the magnetocaloric effect material;

    a working fluid moving unit for moving the heat transport medium in a reciprocating manner in the container, so that the heat transport medium is sucked into the container through one end of the container and the heat transport medium is discharged from the container through the other end of the container and vice versa;

    wherein one of the following first and second materials is mixed in the heat transport medium;

    first material having a coefficient of thermal conductivity, which is higher than that of the heat transport medium, andsecond material having a specific heat or a volume specific heat, which is higher than that of the heat transport medium.

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