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1. 发明授权

US06447274B1 Rotary compressor having a cylinder block of sintered metal 失效
标题翻译：旋转压缩机具有烧结金属的气缸体
公开(公告)号：US06447274B1
公开(公告)日：2002-09-10
申请号：US09706393
申请日：2000-11-03
申请人： Hideyuki Horihata , Hiraku Shiizaki , Shigeru Muramatsu , Hirotsugu Fukuoka
发明人： Hideyuki Horihata , Hiraku Shiizaki , Shigeru Muramatsu , Hirotsugu Fukuoka
IPC分类号： F04C18356
CPC分类号： F04C29/061 , F01C21/104 , F04C18/3564 , F04C23/001 , F04C23/008 , F04C29/065 , F04C29/068 , Y10T29/49245
摘要： A rotary compressor of the present invention includes a compression mechanism, motor and hermetically sealed housing. The compression mechanism includes compression elements, a rotary shaft and bearing. The compression elements includes a cylinder block, piston, and vane. The cylinder block has a cylinder hole and vane groove. The compression mechanism and the motor are housed in the hermetically sealed housing. The cylinder block is made up of sintered metal. The compression mechanism is welded to the hermetically sealed housing in a region other than the cylinder block. Preferably, the cylinder block includes a first cylinder block and a second cylinder block, and the first cylinder block and the second cylinder block are formed by machining sinter-molded blanks identical in shape. With this configuration, it is possible to reduce the machining processes and to make the blank parts usable in common, thereby realizing a low-cost compressor.
摘要翻译：本发明的旋转压缩机包括压缩机构，马达和密封的壳体。压缩机构包括压缩元件，旋转轴和轴承。压缩元件包括气缸体，活塞和叶片。气缸体具有气缸孔和叶片槽。压缩机构和电动机容纳在密封的壳体中。气缸体由烧结金属制成。压缩机构在气缸体以外的区域焊接到密封壳体。优选地，气缸体包括第一气缸体和第二气缸体，并且第一气缸体和第二气缸体通过加工形状相同的烧结成型坯料形成。通过这种结构，能够减少加工工序，能够使空白部件共同使用，从而实现低成本的压缩机。

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