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    • 6. 发明授权
    • Oil-free compressor-integrated pulse tube refrigerator
    • 无油压缩机集成脉冲管冰箱
    • US06209328B1
    • 2001-04-03
    • US09359315
    • 1999-07-23
    • Seon Young KimKee Yong HongSung Tae Kim
    • Seon Young KimKee Yong HongSung Tae Kim
    • F25B900
    • F04B35/045F02G2243/52F25B9/145F25B2309/001F25B2309/003F25B2309/006F25B2309/1417F25B2309/1424
    • A compressor integrated pulse tube refrigerator of an oil free type is disclosed. The refrigerator includes a driving unit including a sealed casing having a cylinder disposed at an upper center portion of the same and a working gas filled therein, a linear motor installed in the interior of the sealed casing for generating a driving force, a driving shaft which is engaged to a rotor of the linear motor and linearly reciprocates, a piston connected with the driving shaft and inserted in the cylinder and reciprocating together with the driving shaft for thereby pumping a working gas, and a plurality of elastic guide support members provided in the interior of the sealed casing; and a refrigerating unit, for thereby implementing a stable reciprocating movement between a cylinder and a piston in a state that an outer surface of the piston does not contact with an inner surface of the cylinder.
    • 公开了一种无油型压缩机集成脉冲管制冷器。 冰箱包括驱动单元,该驱动单元包括密封壳体,该密封壳体具有设置在其上部的中心部分处的气缸和填充在其中的工作气体;安装在密封壳体内部以产生驱动力的线性马达;驱动轴, 与线性电动机的转子接合并直线往复运动,活塞与驱动轴连接并插入到气缸中并与驱动轴一起往复运动,从而泵送工作气体;以及多个弹性引导支撑构件, 密封外壳内部; 以及制冷单元,从而在活塞的外表面不与气缸的内表面接触的状态下实现气缸和活塞之间的稳定的往复运动。