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    • 16. 发明授权
    • Refrigerator having regenerator
    • 冰箱有再生器
    • US5590533A
    • 1997-01-07
    • US479114
    • 1995-06-07
    • Hiroshi AsamiMitsuru Suzuki
    • Hiroshi AsamiMitsuru Suzuki
    • F17C3/08F25B9/14F28D17/00H01F6/00F25B9/00
    • F25B9/14F17C3/085F28D17/005H01F6/00F25B2309/003
    • A refrigerator with a regenerator is provided which is supported by a holder. The refrigerator has a cylinder having an inner circumferential surface matching a circular tube shape, a displacer being disposed in the cylinder and forming an expansion space near at one end of the inside of the cylinder, a groove pattern having a groove formed along the direction intersecting the axial direction of the displacer, the groove allowing a gas flowing through a gap between the cylinder and displacer from one end to the other end of the outer circumferential surface of the displacer to positively heat-exchange with the cylinder and displacer, and a main gas passage for supplying gas to the expansion space of the cylinder and recovering the gas from the expansion space. The holder supports the refrigerator so that the axial direction of the cylinder is directed in the vertical direction and the expansion space is formed at the upper end of the inside of the cylinder, or the axial direction of the cylinder is directed in an oblique direction relative to the vertical direction.
    • 提供具有再生器的冰箱,其由保持器支撑。 冰箱具有圆筒状的圆筒状,圆筒状的内周面配置有位于圆筒内侧的膨胀空间的排水器,沿着与圆筒形状相交的方向形成有槽的槽图形, 排出器的轴向方向,槽允许气体从排出器的外周表面的一端到另一端流过气缸和置换器之间的间隙,以与气缸和置换器积极地热交换,主体 气体通道,用于向气缸的膨胀空间供应气体并从膨胀空间回收气体。 支架支撑冰箱,使得气缸的轴向在垂直方向上被引导,并且膨胀空间形成在气缸内部的上端,或者气缸的轴向方向相对于倾斜方向 到垂直方向。
    • 17. 发明授权
    • Cryogenic refrigerator
    • 低温冰箱
    • US5361588A
    • 1994-11-08
    • US87710
    • 1993-07-14
    • Hiroshi AsamiMitsuru Suzuki
    • Hiroshi AsamiMitsuru Suzuki
    • F25B9/14F25B9/00
    • F25B9/14F25B2309/006
    • In a cryogenic refrigerator using a Gifford MacMahon (GM) cycle, a rotary valve device (RV) for controlling the supply and discharge of refrigerant gas with respect to the refrigerator (2) is adapted by a reversible motor (15) to be rotated in normal and reverse directions, and during the rotation in the normal direction, a cooling mode operation for producing cold by an adiabatic expansion is effected, and during the rotation in the reverse direction, a temperature-raising mode operation for producing heat by an adiabatic compression is effected. In order that the optimum efficiency can be obtained in each of the cooling mode operation and the temperature-raising mode operation, the timing of opening and closing of the rotary valve device (RV) with respect to the reciprocal movement of displacers (3a, 3b) during the rotation in the normal direction is made different from said timing during the rotation in the reverse direction. As a result, the time required for raising the temperature of a cooling portion in a cryogenic condition to the normal temperature can be shortened without the need for any special equipment.
    • PCT No.PCT / JP92 / 01500 Sec。 371日期:1993年7月14日 102(e)日期1993年7月14日PCT提交1992年11月17日PCT公布。 公开号WO93 / 10407 日期:1993年5月27日。在使用吉福德马克马洪(GM)循环的低温冰箱中,用于控制制冷剂气体相对于冰箱(2)的供应和排出的旋转阀装置(RV)由可逆电动机 15)沿正向和反向旋转,并且在正向旋转期间,进行用于通过绝热膨胀产生冷的冷却模式操作,并且在反向旋转期间,进行升温模式操作,用于 通过绝热压缩产生热量。 为了在每个冷却模式操作和升温模式操作中获得最佳效率,旋转阀装置(RV)的打开和关闭定时相对于置换器(3a,3b)的往复运动 )在正反方向的旋转期间与所述旋转期间的定时不同。 结果,可以缩短在低温条件下将冷却部分的温度升高到常温所需的时间,而不需要任何特殊设备。