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    • 9. 发明申请
    • Hermetic compressor and refrigeration cycle device having the same
    • 密封压缩机和制冷循环装置具有相同的特性
    • US20100122549A1
    • 2010-05-20
    • US12591264
    • 2009-11-13
    • Nam-Kyu ChoHyo-Keun ParkByeong-Chul LeeSe-Heon Choi
    • Nam-Kyu ChoHyo-Keun ParkByeong-Chul LeeSe-Heon Choi
    • F25B43/02F25B39/04F04B39/02F04B39/06
    • F04C23/008F01C21/007F04C29/023F04C29/025F04C29/028F04C2240/809
    • To a hermetic compressor and a refrigeration cycle device having the same, an oil separator for separating oil from a refrigerant discharged from a compression unit is added. Separated oil is recollected into an oil pump driven by a driving motor. Because refrigerant separated from the oil is prevented from being re-introduced into the compressor, a cooling capability of the refrigeration cycle device may be enhanced. Because the oil pump is driven by the driving force of the driving motor, the compressor may have a simplified configuration, and the fabrication costs may be reduced. The oil used for a crankshaft lubrication process is returned to the oil pump by forming an oil pocket between bearing surfaces of a crankshaft and the oil pump, oil may be prevented from back-flowing to the oil separator from the crankshaft. This may allow oil to be smoothly recollected into the oil pump.
    • 另外,在封闭式压缩机和具有该制冷循环装置的冷冻循环装置中,添加了从压缩机排出的制冷剂中分离油的分油器。 分离的油被回收到由驱动电动机驱动的油泵中。 因为防止从油分离的制冷剂再次被引入到压缩机中,所以可以提高制冷循环装置的冷却能力。 由于油泵由驱动电动机的驱动力驱动,所以压缩机可以具有简化的结构,并且可以降低制造成本。 用于曲轴润滑过程的油通过在曲轴的轴承表面和油泵之间形成油袋而返回到油泵,可以防止油从曲轴回流到油分离器。 这可能允许油顺利地回收到油泵中。