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33 条记录 (耗时 0.009 秒)

    Refrigerator and rotary valve for use therein
    1.
    发明公开
    Refrigerator and rotary valve for use therein 有权
    Kühlermit Drehventil

    公开(公告)号：EP1087188A1

    公开(公告)日：2001-03-28

    申请号：EP00120672.1

    申请日：2000-09-21

    申请人： Air Water Inc.

    发明人： Kunitani, Shingo, Air Water Inc.

    IPC分类号： F25B9/14 ,  F16K11/085

    CPC分类号： F25B9/14 ,  F16K11/0856 ,  F25B9/145 ,  F25B2309/006 ,  F25B2309/14181 ,  F25B2309/1424

    摘要： A refrigerator incorporating a rotary valve (A) which comprises a rotary element (1) rotatable about an axis thereof and having a circular cross section perpendicular to the axis, and a housing (2) accommodating the rotary element in a rotatable manner, the rotary element having a plurality of ports (5-12) provided in an outer peripheral portion thereof, the housing having a plurality of ports (17-22) provided in a peripheral wall thereof in association with the ports of the rotary element, the rotary valve being operative to be switched between a position where predetermined ones of the ports of the rotary element are aligned with corresponding ones of the ports of the housing for communication therebetween and a position where the predetermined ones of the ports of the rotary element are displaced in non-alignment with the corresponding ones of the ports of the housing for non-communication therebetween by rotation of the rotary element. Since the valve incorporated in the Gifford-McMahon or pulse tube refrigerator has a smaller size and an extended service, the refrigerator is allowed to have a larger scale, a greater capacity and a higher efficiency.

    摘要翻译： 一种结合有旋转阀（A）的冰箱，其包括可绕其轴线旋转并具有垂直于所述轴线的圆形横截面的旋转元件（1），以及以可旋转的方式容纳所述旋转元件的壳体（2） 所述壳体具有设置在其外周部分中的多个端口（5-12），所述壳体具有与所述旋转元件的端口相关联地设置在其周壁中的多个端口（17-22），所述旋转阀 可操作地在旋转元件的预定的端口与对应的壳体的端口对准的位置之间切换，并且在非位置中旋转元件的预定端口被移位的位置 与壳体的对应的端口对准，用于通过旋转元件的旋转而不连通它们。 由于并入Gifford-McMahon或脉冲管式冰箱中的阀门具有较小的尺寸和延长的使用寿命，所以允许冰箱具有更大的尺寸，更大的容量和更高的效率。

    CRYOGENIC REFRIGERATOR AND CONTROLLING METHOD THEREFOR
    2.
    发明公开
    CRYOGENIC REFRIGERATOR AND CONTROLLING METHOD THEREFOR 失效
    低温制冷系统及其控制方法

    公开(公告)号：EP0862030A4

    公开(公告)日：1999-09-29

    申请号：EP97939207

    申请日：1997-09-05

    申请人： DAIKIN IND LTD

    发明人： OKAMOTO MASAKAZU ,  KURIHARA TOSHIYUKI

    IPC分类号： F25B9/14

    CPC分类号： F25B9/14 ,  F25B2309/006

    摘要： A gas-pressure driven type cryogenic refrigerator in which a cylinder (2) is partitioned into a lower pressure chamber (20), an upper pressure chamber and expansion chambers (30, 31) by a slack piston (17) and a displacer (22) connected thereto. A rotary valve (35) is adapted to set up alternately a high-pressure open-valve state that high-pressure helium gas is supplied into the upper pressure chamber (29) and the expansion chambers (30, 31) and a low-pressure open-valve state that helium gas is discharged from the upper pressure chamber (29) and the expansion chambers (30, 31), whereby the slack piston (17) is driven by virtue of the difference in gas pressure between the upper and lower chanbers (29, 20) to thereby reciprocate the displacer (22). The reciprocation produces cryogenic coldness. The time ratio of the low-pressure open-valve state is set at 55-65 %, higher than that of the high-pressure open-valve state, thereby improving the capability of the refrigerator.

    Cryogenic refrigerators
    3.
    发明公开
    Cryogenic refrigerators 失效
    低温冰箱

    公开(公告)号：EP0350290A2

    公开(公告)日：1990-01-10

    申请号：EP89306824.7

    申请日：1989-07-05

    申请人： The BOC Group plc

    发明人： Lobb, Alexander James Lobb

    IPC分类号： F25B9/14 ,  F01L33/02

    CPC分类号： F25B9/14 ,  F01L33/02 ,  F25B2309/006

    摘要： A coldhead drive unit (2) for a cryogenic refrigerator including a casing, valve means positioned within the casing for controlling the supply of a fluid to and from the coldhead and comprising a valve head (8), a valve plate (7) and a motor (10) having a drive shaft (11, 12) for rotating the valve head (8) against the valve plate (7), means (18) being provided for the supply of a fluid at a working pressure about a surface of the valve head (8) distal to the valve plate (7), wherein the drive shaft (12) engages the valve head (8) in a fluid light manner within a bore (9) formed in the distal surface of the valve head (8) and wherein a channel (19) is provided in the valve head to link the sealed interior (17) of the bore (9) and the interface between the valve head (8) and valve plate (7).

    摘要翻译： 一种用于低温致冷器的冷头驱动单元（2），其包括壳体，位于壳体内的阀装置，用于控制流体进出冷头的供应，并包括阀头（8），阀板（7）和 具有用于使所述阀头（8）相对于所述阀板（7）旋转的驱动轴（11,12）的装置（18），所述装置（18）设置用于在工作压力下供应流体 其特征在于，所述驱动轴（12）以流体光的方式在形成于所述阀头（8）的所述远端表面中的孔（9）内接合所述阀头（8） ），并且其中在阀头中提供通道（19）以连接孔（9）的密封内部（17）和阀头（8）与阀板（7）之间的界面。