ROTATION TYPE REGENERATOR AND MAGNETIC REFRIGERATOR USING THE REGENERATOR
First Claim
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1. A rotational regenerator, comprising:
- a first AMR and a second AMR including a magnetocaloric material for passing through a flow of a heat transfer fluid;
a magnet; and
a magnet rotating assembly for applying or erasing a magnetic field to the magnetocaloric material by disposing the magnet at the first AMR or the second AMR, wherein each of the first AMR and the second AMR comprises an AMR bed disposed in a lengthwise direction of a through-hole being filled up with the magnetocaloric material, and cold-side and hot-side AMR nozzles coupled to the AMR bed and connected to the through-hole, and wherein at least one of the AMR nozzles includes a distribution chamber for uniformly distributing the heat transfer fluid to an entirety of a cross-section of the through-hole.
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Abstract
The present invention relates to a regenerator using a rotation type magnet member and an active magnetic regenerator, and a magnetic refrigerator using the same.
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Citations
11 Claims
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1. A rotational regenerator, comprising:
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a first AMR and a second AMR including a magnetocaloric material for passing through a flow of a heat transfer fluid; a magnet; and a magnet rotating assembly for applying or erasing a magnetic field to the magnetocaloric material by disposing the magnet at the first AMR or the second AMR, wherein each of the first AMR and the second AMR comprises an AMR bed disposed in a lengthwise direction of a through-hole being filled up with the magnetocaloric material, and cold-side and hot-side AMR nozzles coupled to the AMR bed and connected to the through-hole, and wherein at least one of the AMR nozzles includes a distribution chamber for uniformly distributing the heat transfer fluid to an entirety of a cross-section of the through-hole. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A magnetic refrigerator, comprising:
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a first AMR and a second AMR including a magnetocaloric material for passing through a flow of a heat transfer fluid; a magnet; a magnetic rotating assembly for applying or erasing a magnetic field to the magnetocaloric material by disposing the magnet at the first AMR or the second AMR; and cold-side and hot-side heat exchangers thermally connected to the first AMR and the second AMR, wherein each of the first AMR and the second AMR comprises an AMR bed disposed in a lengthwise direction of a through-hole being filled up with the magnetocaloric material, and cold-side and hot-side AMR nozzles coupled to the AMR bed and connected to the through-hole, and wherein one of the AMR nozzles includes a distribution chamber for uniformly distributing the heat transfer fluid to an entirety of a cross-section of the through-hole. - View Dependent Claims (8, 9, 10, 11)
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Specification