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1. 发明授权

US4520629A Drive mechanism for a refrigerator with clearance seals 失效
标题翻译：带有间隙密封的冰箱的驱动机构
公开(公告)号：US4520629A
公开(公告)日：1985-06-04
申请号：US526851
申请日：1983-08-26
申请人： Robert M. Dix , Timothy A. Ellis , Gary W. Andrews
发明人： Robert M. Dix , Timothy A. Ellis , Gary W. Andrews
IPC分类号： F16H21/18 , F02G1/053 , F16H25/14 , F16J15/16 , F25B9/14 , F25B9/00
CPC分类号： F25B9/14 , F02G1/0535 , F02G2244/00 , Y10T74/2107
摘要： 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.
摘要翻译：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。

2. 发明授权

US4044567A Modular, magnetically-coupled drive for a cryogenic refrigerator 失效
标题翻译：用于低温冰箱的模块化，磁耦合驱动
公开(公告)号：US4044567A
公开(公告)日：1977-08-30
申请号：US609850
申请日：1975-09-02
申请人： Robert M. Dix , Samuel F. Tobias , Stephen L. Whicker
发明人： Robert M. Dix , Samuel F. Tobias , Stephen L. Whicker
IPC分类号： F02G1/044 , F25B9/00
CPC分类号： F02G1/0445 , F02G2250/18
摘要： An improved Vuilleumier cycle refrigerator is disclosed. To reduce fluid contamination and inactive refrigerant volume, the hot and cold fluid displacers of the refrigerator are driven by a magnetic drive mechanism. The magnetic drive mechanism has a first and second assembly. The first assembly is contained in the fluid chamber together with the hot and cold displacers; the second assembly including the drive motor is mounted exteriorly of the fluid chamber. The first and second assemblies of the drive mechanism include adjacent magnets separated by the wall of the fluid chamber. Thus, the first and second assemblies are coupled together by their magnetic field for rotation to drive the hot and cold displacers and the fluid chamber provides an hermetic seal to contain the working fluid thereby removing the motor with its air space and contaminants from the fluid chamber.
摘要翻译：公开了一种改进的Vuilleumier循环冰箱。为了减少流体污染和不活泼的制冷剂体积，冰箱的热和冷流体置换器由磁驱动机构驱动。磁驱动机构具有第一和第二组件。第一组件与冷热置换器一起容纳在流体室中; 包括驱动马达的第二组件安装在流体室的外部。驱动机构的第一和第二组件包括由流体室的壁分隔开的相邻磁体。因此，第一组件和第二组件通过它们的磁场耦合在一起以便旋转以驱动热和冷移位器，并且流体室提供气密密封以容纳工作流体，从而从其流动室中除去电动机的空气空间和污染物。

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