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1.发明申请公开(公告)号：US20170059213A1
公开(公告)日：2017-03-02
申请号：US15249224
申请日：2016-08-26
CPC分类号： F25B9/002 , F04B35/04 , F04B2203/0403 , F04C9/007 , F04C21/007 , F25B9/06 , F25B2309/001 , F25B2309/002 , F25B2400/073 , F25B2500/01 , F25J1/0007 , F25J1/001 , F25J1/0022 , F25J1/0225 , F25J2270/908
摘要： An active gas regenerative refrigerator includes a plurality of compressor-expander units, each having a hermetic cylinder with a drive piston configured to be driven reciprocally therein, and a quantity of working fluid in each end of the cylinder. A piston seal in a central portion of the cylinder prevents passage of the working fluid between ends of the cylinder. Movement of the piston to a first extreme results in radial compression of one of the quantities of working fluid in a cylindrical gap formed between one end of the piston and an inner surface of the cylinder, while the other quantity is expanded in the opposite end of the cylinder. The piston includes a plurality of magnets arranged in pairs, with magnets of each pair positioned with like-poles facing each other. A piston drive is configured to couple with transverse magnetic flux regions formed by the magnets.
摘要翻译： 活性气体再生式制冷机包括多个压缩机 - 膨胀机单元，每个压缩机 - 膨胀机单元具有密封圆筒，其具有构造成在其中往复运动的驱动活塞，以及在气缸的每个端部中的一定数量的工作流体。 气缸中心部分的活塞密封件防止工作流体在气缸两端之间通过。 活塞运动到第一极限导致在活塞的一端和气缸的内表面之间形成的圆柱形间隙中的一种工作流体的径向压缩，而另一数量在相对的端部膨胀 气瓶。 活塞包括成对布置的多个磁体，每对磁体定位成具有彼此面对的相同磁极。 活塞驱动器被配置为与由磁体形成的横向磁通量区域耦合。
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公开(公告)号：US09746211B2
公开(公告)日：2017-08-29
申请号：US15249224
申请日：2016-08-26
CPC分类号： F25B9/002 , F04B35/04 , F04B2203/0403 , F04C9/007 , F04C21/007 , F25B9/06 , F25B2309/001 , F25B2309/002 , F25B2400/073 , F25B2500/01 , F25J1/0007 , F25J1/001 , F25J1/0022 , F25J1/0225 , F25J2270/908
摘要： An active gas regenerative refrigerator includes a plurality of compressor-expander units, each having a hermetic cylinder with a drive piston configured to be driven reciprocally therein, and a quantity of working fluid in each end of the cylinder. A piston seal in a central portion of the cylinder prevents passage of the working fluid between ends of the cylinder. Movement of the piston to a first extreme results in radial compression of one of the quantities of working fluid in a cylindrical gap formed between one end of the piston and an inner surface of the cylinder, while the other quantity is expanded in the opposite end of the cylinder. The piston includes a plurality of magnets arranged in pairs, with magnets of each pair positioned with like-poles facing each other. A piston drive is configured to couple with transverse magnetic flux regions formed by the magnets.
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