| 发明名称 |
IMPELLER |
| 摘要 |
An impeller (1) according to the present invention has a disk-like main plate (10), a blade (20) joined to the main plate, and a side plate (30) having a suction port. A boss hole (12) is formed in a central portion of the main plate for attaching a boss which engages with a pump shaft to the boss hole. A step portion (14) is formed around the boss hole, which is formed in the main plate, by drawing. <IMAGE> |
| 申请公布号 |
EP1469204(A4) |
申请公布日期 |
2010.04.14 |
| 申请号 |
EP20030701819 |
申请日期 |
2003.01.21 |
| 申请人 |
EBARA CORPORATION |
发明人 |
KAJIWARA, KENICHI;KUROIWA, SOU;MORI, KIKUICHI;KUNIMASA, KOICHI |
| 分类号 |
F04D29/22;F04D29/62;F04D1/06;F04D29/02;F04D29/20;F04D29/24;F04D29/28 |
主分类号 |
F04D29/22 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
