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    • 3. 发明授权
    • Drive mechanism for a refrigerator with clearance seals
    • 带有间隙密封的冰箱的驱动机构
    • US4520629A
    • 1985-06-04
    • US526851
    • 1983-08-26
    • Robert M. DixTimothy A. EllisGary W. Andrews
    • Robert M. DixTimothy A. EllisGary W. Andrews
    • F16H21/18F02G1/053F16H25/14F16J15/16F25B9/14F25B9/00
    • F25B9/14F02G1/0535F02G2244/00Y10T74/2107
    • An improved cryogenic refrigerator having a drive mechanism suitable for use with gap or clearance seals is disclosed. The drive mechanism includes two reciprocating members, e.g. piston and regenerator/displacer, driven by a common rotating drive shaft. The regenerator/displacer portion of the drive shaft includes a roller at one end in engagement with a rod base plate for driving a rod connected to the regenerator/displacer and a spring for returning the regenerator/displacer simultaneously with the withdrawal of the drive shaft. The piston portion of the drive shaft is connected to a first end of a hollow body. The second end of the hollow body which is opposite the first end has the piston rigidly affixed thereto. The hollow body has a portion adjacent the first end supported by a guide whereby the piston is substantially isolated from side force loads during reciprocation.
    • 公开了一种具有适用于间隙或间隙密封的驱动机构的改进的低温冰箱。 驱动机构包括两个往复运动件,例如 活塞和再生器/置换器,由共同的旋转驱动轴驱动。 驱动轴的再生器/置换器部分包括一端与杆基板接合的辊,用于驱动连接到再生器/置换器的杆,以及用于在驱动轴的撤出的同时使再生器/置换器返回的弹簧。 驱动轴的活塞部分连接到中空体的第一端。 中空体的与第一端相对的第二端具有刚性地固定在其上的活塞。 中空体具有靠近由引导件支撑的第一端部的部分,由此活塞在往复运动期间基本上与侧向力负载隔离。