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    • 4. 发明公开
    • 밀폐형 압축기 및 이것을 구비한 냉장고
    • 压缩机和包括其的压缩机
    • KR1020120067273A
    • 2012-06-25
    • KR1020110082065
    • 2011-08-18
    • 히타치 어플라이언스 가부시키가이샤
    • 시로타니마사히로아키자와다케히로가노마사카즈
    • F04B53/00F04B17/03F04B39/00F25D11/00
    • PURPOSE: A closed compressor and a refrigerator having the same are provided to install in a mechanical room restricted a space for enlarging receiving volume, and to improve cooling efficiency with reduced noise. CONSTITUTION: A closed compressor(50) receives a lubricant, a compressing element, and an electronic element in a closed container. A refrigerant intake port of the compressing element has an intake muffler(13) comprising an intake hole and a passage part. The intake part is opened in the closed container and sucks refrigerant gas in the closed container. The passage part(13b) is communicated from the intake hole to an intake part of the compressing element. The intake hole and the passage part are unified to prevent inflow of the lubricant.
    • 目的:提供封闭的压缩机和具有该压缩机的冰箱,以安装在机械室中,限制用于扩大接收量的空间,并且以降低的噪音提高冷却效率。 构成:封闭式压缩机(50)在密封容器中容纳润滑剂,压缩元件和电子元件。 压缩元件的制冷剂吸入口具有进气消声器(13),其包括进气孔和通道部分。 进气部在密闭容器内打开,吸入密闭容器内的制冷剂气体。 通道部分(13b)从进气孔连通到压缩元件的进气部分。 进气孔和通道部分是统一的,以防止润滑剂流入。
    • 7. 发明公开
    • 밀폐형 압축기
    • HERMETIC型压缩机
    • KR1020130118710A
    • 2013-10-30
    • KR1020120064851
    • 2012-06-18
    • 히타치 어플라이언스 가부시키가이샤
    • 아키자와다케히로야마구치가즈야
    • F04B39/02F04B39/00
    • PURPOSE: A sealing type compressor is provided to obtain a sliding area and an oil supply rate which are necessary for forming an oil film when operated in a low operation frequency area. CONSTITUTION: A sealing type compressor includes a crank shaft (9). The crank shaft includes a lower oil pump hole (94), an upper oil pump hole (95), a spiral groove (96), and a maximum load area (98). An inclination angle (&thgr;1) of the spiral groove for maintaining viscous oil pump functions of the spiral groove is not changed in the crank shaft. The lower oil pump hole, and the upper oil pump hole, and the spiral groove are located at areas except for the maximum load area. The upper oil pump hole is installed in an upper journal unit (93) at the area except for a predetermined upper area where a maximum load is generated. The lower oil pump hole is installed in the lower journal unit at the area except for a predetermined lower area where the maximum load is generated. The spiral groove can be wound over one time. [Reference numerals] (AA) Point of likeness
    • 目的:提供一种密封型压缩机,以获得在低工作频率区域中操作时形成油膜所需的滑动面积和供油速率。 构成:密封型压缩机包括曲轴(9)。 曲轴包括下油泵孔(94),上油泵孔(95),螺旋槽(96)和最大负荷区域(98)。 用于维持螺旋槽的粘性油泵功能的螺旋槽的倾斜角(& 1)在曲轴中不改变。 下油泵孔,上油泵孔,螺旋槽位于最大负荷区域以外的区域。 上部油泵孔安装在除了产生最大负荷的预定上部区域之外的区域的上部轴颈单元(93)中。 下部油泵孔安装在除了产生最大负荷的预定下部区域之外的区域的下部轴颈单元中。 螺旋槽可以一次缠绕。 (附图标记)(AA)相似点