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    • 8. 发明授权
    • Cryogenic refrigerator
    • 低温冰箱
    • US09194616B2
    • 2015-11-24
    • US13604890
    • 2012-09-06
    • Mingyao XuTakaaki Morie
    • Mingyao XuTakaaki Morie
    • F25B9/00F25B9/14F25B9/10
    • F25B9/14F25B9/00F25B9/10F25B9/145F25B2309/1423F25B2500/01
    • A disclosed cryogenic refrigerator includes a first stage displacer; a first stage cylinder configured to form a first expansion between the first stage cylinder and the first stage displacer; a second stage displacer connected to the first stage displacer; and a second stage cylinder configured to form a second expansion space between the second stage cylinder and the second stage displacer, wherein a helical groove is formed on an outer peripheral surface of the second stage displacer so as to helically extend from a side of the second expansion space toward the first stage displacer, the helical groove communicates with the first expansion space, and a cross-sectional area of the helical groove becomes smaller from a side of the second expansion space to a side of the first expansion space.
    • 所公开的低温冰箱包括第一级置换器; 构造成在所述第一级缸和所述第一级置换器之间形成第一膨胀的第一级缸; 连接到第一级置换器的第二级置换器; 以及第二级缸,其构造成在所述第二级缸和所述第二级置换器之间形成第二膨胀空间,其中在所述第二级置换器的外周表面上形成螺旋槽,以从所述第二级缸的一侧螺旋形延伸 膨胀空间朝向第一级置换器,螺旋槽与第一膨胀空间连通,并且螺旋槽的横截面积从第二膨胀空间的一侧到第一膨胀空间的一侧变小。
    • 9. 发明授权
    • Double inlet type pulse tube refrigerator
    • 双入口式脉管管式冰箱
    • US09157668B2
    • 2015-10-13
    • US12824195
    • 2010-06-27
    • Mingyao Xu
    • Mingyao Xu
    • F25B9/00F25B9/14F25B9/10
    • F25B9/145F25B9/10F25B2309/14241
    • A double inlet type pulse tube refrigerator includes a regenerator having a high temperature end and a low temperature end; a pulse tube having a high temperature end and a low temperature end connected to the low temperature end of the regenerator; a compressor having a high pressure supplying side and low pressure receiving side for a coolant, a bypass pipe having a double inlet valve, the bypass pipe being configured to connect the high temperature end of the pulse tube and the high temperature end of the regenerator; a buffer tank connected to the high temperature end of the pulse tube via a first pipe having a first flow path resistance member; and a second pipe having a second flow path resistance member including a third opening and closing valve.
    • 双入口型脉冲管式制冷机包括具有高温端和低温端的再生器; 具有连接到再生器的低温端的高温端和低温端的脉冲管; 具有用于冷却剂的高压供给侧和低压接收侧的压缩机,具有双入口阀的旁通管,所述旁通管被配置为连接所述脉冲管的高温端和所述再生器的高温端; 缓冲罐,经由具有第一流路阻力部件的第一管连接到脉冲管的高温端; 以及第二管,其具有包括第三开闭阀的第二流路阻力构件。