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1. 发明授权

US06526759B2 Rotating bed magnetic refrigeration apparatus 有权
标题翻译：旋转床磁性制冷装置
公开(公告)号：US06526759B2
公开(公告)日：2003-03-04
申请号：US09925032
申请日：2001-08-08
申请人： Carl B. Zimm , Alexander Sternberg , Alexander G. Jastrab , Andre M. Boeder , Lewis M. Lawton , Jeremy Jonathan Chell
发明人： Carl B. Zimm , Alexander Sternberg , Alexander G. Jastrab , Andre M. Boeder , Lewis M. Lawton , Jeremy Jonathan Chell
IPC分类号： F25B2102
CPC分类号： F25B21/00 , F25B2321/0021 , Y02B30/66
摘要： A rotating magnetic refrigeration apparatus has magnetic regenerator beds arranged in a ring that is mounted for rotation about a central axis, such that each bed moves into and out of a magnetic field provided by a magnet as the ring rotates. Heat transfer fluid is directed to and from the regenerator beds by a distribution valve which is connected by conduits to the hot and cold ends of the beds and which rotates with the ring of beds. The distribution valve has a stationary valve member which is connected by conduits to a hot heat exchanger and to a cold heat exchanger. The beds include magnetocaloric material that is porous and that allows heat transfer fluid to flow therethrough. The distribution valve directs heat transfer fluid to the hot end of a bed that is outside of the magnetic field which flows therethrough to the cold end where it is directed back to the distribution valve and, when a bed is in the magnetic field, the distribution valve directs fluid to the cold end of the bed for flow therethrough to the hot end, where the fluid is directed back to the distribution valve, completing an active magnetic regenerator cycle. The fluid flowing through each conduit flows only in a single direction or remains stationary, minimizing dead volume in the conduits.
摘要翻译：旋转磁式制冷装置具有设置在环中的磁性再生器床，其安装成围绕中心轴线旋转，使得每个床在环转动时移动和移出由磁体提供的磁场。传热流体通过分配阀引导到再生器床，该分配阀通过导管连接到床的热端和冷端并与床环一起旋转。分配阀具有通过导管连接到热交换器和冷热交换器的固定阀构件。这些床包括多孔的磁热材料，并且允许热传递流体流过其中。分配阀将传热流体引导到位于流过其的磁场外部的床的热端，冷却端返回到分配阀，并且当床位于磁场中时，分布阀将流体引导到床的冷端以流过其中的热端，其中流体被引导回到分配阀，从而完成主动的磁性再生器循环。流过每个管道的流体仅在单个方向上流动或保持静止，从而最小化导管中的死体积。

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