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1. 发明申请

US20120288382A1 SEALED COMPRESSOR 有权
标题翻译：密封压缩机
公开(公告)号：US20120288382A1
公开(公告)日：2012-11-15
申请号：US13460141
申请日：2012-04-30
申请人： Masakazu YAMAOKA , Yasushi HAYASHI , Makoto KATAYAMA
发明人： Masakazu YAMAOKA , Yasushi HAYASHI , Makoto KATAYAMA
IPC分类号： F04B35/04
CPC分类号： F04B35/04 , F04B7/0216 , F04B39/0005 , F04B39/1066
摘要： A sealed compressor comprises an electric element; a compression element; and a sealed container accommodating the electric element and the compression element; wherein the compression element includes a cylinder block defining a compression chamber; a piston which is reciprocatable inside the compression chamber; and a valve plate disposed to close an opening end of the compression chamber and having a discharge hole which provides communication between inside and outside of the compression chamber; the piston has a first groove on a tip end surface thereof which faces the valve plate, the first groove having a predetermined width and extending from an outer peripheral edge portion of the tip end surface toward a portion of the tip end surface which faces the discharge hole; and a tip end portion of the first groove is positioned in the portion of the tip end surface which faces the discharge hole and is inclined.
摘要翻译：密封压缩机包括电气元件; 压缩元件; 以及容纳电气元件和压缩元件的密封容器; 其中所述压缩元件包括限定压缩室的气缸体; 可在压缩室内往复运动的活塞; 以及阀板，其设置成关闭所述压缩室的开口端并具有排出孔，所述排出孔提供所述压缩室的内部和外部之间的连通; 所述活塞在其前端面上具有面对所述阀板的第一槽，所述第一槽具有预定的宽度，并且从所述前端面的外周缘部朝向所述前端面的面向所述排出口的部分延伸孔; 并且所述第一槽的前端部位于所述前端面的面向所述排出孔的部分并且倾斜。

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