MAGNETIC COOLING DEVICE AND MAGNETOCALORIC MODULE THEREOF
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Oct 31, 2012
filing date -
Oct 31, 2011
priority date (Note) -
Abandoned
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Abstract
A magnetic cooling device is provided, including a magnetocaloric module and a magnetic unit. The magnetocaloric module includes a bed, a first magnetocaloric material, a second magnetocaloric material and a thermal insulator. The first magnetocaloric material is disposed in the bed. The second magnetocaloric material is disposed in the bed, wherein the Curie Temperature of the second magnetocaloric material is greater than the Curie Temperature of the first magnetocaloric material. The thermal insulator is disposed between the first and second magnetocaloric materials to insulate heat conduction between the first and second magnetocaloric materials. The magnetic unit is coupled to the magnetocaloric module, wherein the magnetic unit reciprocally applies different magnetic fields to the first and second magnetocaloric materials, wherein a heat transfer fluid flows through the first and second magnetocaloric to transfer heat from a low temperature end to a high temperature end of the magnetocaloric module.
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