子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 1 | Rotary fluid machine | JP2008009378 | 2008-01-18 | JP4609496B2 | 2011-01-12 | 正典 増田; 隆造 外島; 孝志 清水; 祥孝 芝本 |
| 2 | Rotary fluid machine | JP2008009378 | 2008-01-18 | JP2009167976A | 2009-07-30 | SHIMIZU TAKASHI; SHIBAMOTO YOSHITAKA; SOTOJIMA RYUZO; MASUDA MASANORI |
| <P>PROBLEM TO BE SOLVED: To reduce the cost of a rotary fluid machine 1 by reducing the number of components while reducing noise and vibration in a rotary compressor arranged with compression parts 20a, 20b including a cylinder 21 including annular cylinder chambers C1, C2, C3, C4, and annular pistons 22 eccentrically stored in the cylinder chambers C1, C2, C3, C4 in two stages. <P>SOLUTION: The annular piston comprises first and second piston 22, 22 opposing an axial direction. One-end sides of the annular pistons 22, 22 are attached to surfaces of end plates 22c, 22c. The annular pistons 22 are fixed on a drive shaft 33 in such a manner that rotary shafts of the annular pistons 22, 22 are shifted in opposite directions while putting a center on an axial center of the drive shaft 33 and that end plates 22c, 22c are set back to back. <P>COPYRIGHT: (C)2009,JPO&INPIT | ||||||
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