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    • 2. 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。
    • 4. 发明授权
    • 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
    • US08342827B2
    • 2013-01-01
    • US12591263
    • 2009-11-13
    • Nam-Kyu ChoHyo-Keun ParkByeong-Chul LeeSe-Heon Choi
    • Nam-Kyu ChoHyo-Keun ParkByeong-Chul LeeSe-Heon Choi
    • F01C1/02
    • F04C23/008F01C21/007F04C29/023F04C29/025F04C29/026F04C29/028F04C2240/809
    • Disclosed are a hermetic compressor and a refrigeration cycle device having the same. An oil separator for separating oil from a refrigerant is installed outside a casing. The oil separated by the oil separator is recollected into the casing by an oil pump driven by a driving force of a driving motor. The oil is recollected from the refrigerant and fabrication costs are be reduced. A cooling capability of the refrigeration cycle device is enhanced, the compressor has a simplified configuration, and the fabrication costs are reduced. Because an outlet of a discharge opening through which oil is discharged to the casing from the oil pump is installed at a position lower than a minimum level of oil in the casing, the refrigerant is prevented from backflowing into an oil passage, and the occurrence of air bubbles on the surface of oil in the compressor may be prevented.
    • 公开了一种封闭式压缩机和具有该封闭式压缩机的制冷循环装置。 用于将油与制冷剂分离的油分离器安装在壳体外部。 由油分离器分离的油通过由驱动电动机的驱动力驱动的油泵回收到壳体中。 油从制冷剂中回收,制造成本降低。 制冷循环装置的冷却能力得到提高,压缩机具有简化的结构,降低制造成本。 因为从油泵将油排出到壳体的排出口的出口设置在比壳体内的最低油位低的位置,因此防止制冷剂回流到油路中, 可以防止压缩机中的油表面上的气泡。