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2. 发明公开

EP3049736A1 SYSTEMS AND METHODS FOR CRYOGENIC REFRIGERATION 有权
标题翻译：用于低温制冷的系统和方法
公开(公告)号：EP3049736A1
公开(公告)日：2016-08-03
申请号：EP14845860.7
申请日：2014-05-21
申请人： D-Wave Systems Inc.
发明人： CITVER, Gregory , PETROFF, Jacob, Craig , GUNN, Sasha, Vikram , KAN, Edmond, Ho, Yin
IPC分类号： F25B9/00 , F25B9/12 , F25B19/02
CPC分类号： F25B43/00 , B01D8/00 , F25B9/12 , F25B2500/04
摘要： Systems and methods for improving the performance of dilution refrigeration systems include cryocondensation traps employed in the helium circuit of a dilution refrigerator may be modified to improve performance. A cryocondensation trap employs a cryocondensation surface having at least one temperature that preferably matches the temperature at which at least one contaminant freezes into a solid form from a gaseous form. A single trap with at least one continuous cryocondensation surface formed in a generally helical or spiral-like fashion with each region having a different temperature may be employed to trap a specific contaminant or set of contaminants. A single trap with multiple cryocondensation surfaces where each surface has a different temperature may be alternatively employed for the same purpose. To provide a temperature gradient in the cryocondensation trap, at least one region of the cryocondensation trap may be thermally coupled to a cold surface and/or a transfer tube.
摘要翻译：用于改善稀释制冷系统的性能的系统和方法包括在稀释冰箱的氦气回路中使用的低温冷凝陷阱可以被修改以改善性能。低温冷凝陷阱采用具有至少一个温度的低温冷凝表面，所述温度优选地匹配至少一种污染物从气态形式冻结成固体形式的温度。具有以大致螺旋状或螺旋状方式形成的至少一个连续低温冷凝表面的单个捕集器可用于捕集特定污染物或污染物组。具有多个低温冷凝表面（其中每个表面具有不同的温度）的单个捕集器可以替代地用于相同的目的。为了在低温冷凝捕集器中提供温度梯度，低温冷凝捕集器的至少一个区域可以热耦合到冷表面和/或传送管。

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