发明申请
- 专利标题: Impeller
- 专利标题(中): 叶轮
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申请号: US10501886申请日: 2003-01-21
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公开(公告)号: US20050002789A1公开(公告)日: 2005-01-06
- 发明人: Kenichi Kajiwara , Sou Kuroiwa , Kikuichi Mori , Koichi Kunimasa
- 申请人: Kenichi Kajiwara , Sou Kuroiwa , Kikuichi Mori , Koichi Kunimasa
- 优先权: JP2002-12186 20020121
- 国际申请: PCT/JP03/00463 WO 20030121
- 主分类号: F04D29/22
- IPC分类号: F04D29/22 ; F04D1/06 ; F04D29/20 ; F04D29/24 ; F04D29/28 ; F04D29/62 ; B63H1/16
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.
公开/授权文献
- US07247001B2 Impeller 公开/授权日:2007-07-24
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