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    • 6. 发明申请
    • CRYOGENIC REFRIGERATING DEVICE
    • 低温制冷装置
    • WO1993010407A1
    • 1993-05-27
    • PCT/JP1992001500
    • 1992-11-17
    • SUMITOMO HEAVY INDUSTRIES, LTD.ASAMI, HiroshiSUZUKI, Mitsuru
    • SUMITOMO HEAVY INDUSTRIES, LTD.
    • F25B09/14
    • F25B9/14F25B2309/006
    • A cryogenic refrigerating machine adopting the Gifford MacMahon (GM) cycle wherein a rotary valve device (RV) for controlling the supply and discharge of refrigerant gas to/from a refrigerating machine (2) is rotated forwardly and/or reversely by means of reversibly motor (15), wherein a cooling mode operation for generating cold heat by virtue of adiabatic expansion is performed during forward rotation, while a temperature increasing mode operation for generating heat by virtue of adiabatic compression is performed during reverse rotation, and wherein the opening and closing timing of the rotary valve device (RV) relative to the reciprocating movement of displacers (3a, 3b) during forward reverse rotation is made different from that during reverse rotation so that optimum efficiency is obtained during the cooling mode and heating mode operations, respectively. As a result, it is possible to reduce time needed to heat the cooling portion in a cryogenic state of a room temperature without any particular equipment.
    • 采用Gifford MacMahon(GM)循环的低温制冷机,其中用于控制制冷剂气体向制冷机(2)供应和排出的旋转阀装置(RV)通过可逆电动机向前和/或反向旋转 (15),其中通过绝热膨胀产生冷热的冷却模式操作在正向旋转期间进行,而在反向旋转期间进行用于通过绝热压缩产生热量的升温模式操作,并且其中所述打开和关闭 旋转阀装置(RV)相对于正向反向旋转期间的置换器(3a,3b)的往复运动的定时与反向旋转期间的定时不同,从而在冷却模式和加热模式操作期间分别获得最佳效率。 结果,可以在没有任何特定设备的情况下减少在室温的低温状态下加热冷却部所需的时间。
    • 7. 发明申请
    • PLANETARY GEAR SPEED CHANGER
    • 行星齿轮速度更换
    • WO1992012360A1
    • 1992-07-23
    • PCT/JP1991000024
    • 1991-01-14
    • SUMITOMO HEAVY INDUSTRIES, LTD.OGATA, SeishiroTAKAHASHI, AtsushiTANAKA, Hideyoshi
    • SUMITOMO HEAVY INDUSTRIES, LTD.
    • F16H01/32
    • F16H1/34F16H1/32Y10S475/904
    • A planetary gear speed changer comprising an externally toothed wheel having external teeth (7A) in the form of a trochoidal curve and an internally toothed wheel having externally arranged pins to be internally meshed with the external teeth (7A) of the externally toothed wheel and eccentric with the externally toothed wheel, in which: the externally toothed wheel and internally toothed wheel swingably rotate while meshing with each other in an eccentric relation in such a manner that a phase shift equivalent to the number of tooth different between the both toothed wheels are caused for every swing and eccentric revolution as above, and revolution corresponding to the phase difference is taken out as output; specified relations are established among various factors including the radius of a pitch circle of an external pin (9), amount of eccentricity between the externally toothed wheel and internally toothed wheel, radius of an external pin (9), speed reduction ratio, difference in the number of teeth and so on, so that relative slip speed in tooth engagement when the number of tooth difference is more than two as well as noise may be reduced; and, further, the same external pin is adapted to be commonly applicable to three external teeth or more by setting the radius of an external pin to a specified value and the number of said pins to a specified one.
    • 一种行星齿轮变速器,包括具有摆线曲线形式的外齿(7A)的外齿轮和具有外部布置的销的内齿轮,所述内齿与外齿轮的外齿(7A)内啮合,并且偏心 外齿轮,其中:外齿轮和内齿轮以相对于彼此以偏心关系彼此啮合的方式可摆动地旋转,使得相当于齿轮数不同的相移相应于两齿轮 对于如上所述的每个摆动和偏心旋转,并且相应于相位差的旋转作为输出被取出; 在外部引脚(9)的节圆半径,外齿轮和内齿轮之间的偏心量,外部引脚的半径(9),减速比,差异 齿数等,使牙齿啮合的相对滑移速度在齿差多于2个以及噪声时可能会降低; 此外,通过将外部引脚的半径设定为指定值,将所述引脚的数量设定为规定值,同样的外部引脚适用于三个以上的外部齿。