发明申请
- 专利标题： IMPELLER WHEEL
- 专利标题（中）： 叶轮
-
申请号： US11719842申请日： 2005-11-03
-
公开(公告)号： US20090208336A1公开(公告)日： 2009-08-20
- 发明人: Martin Lindskog
- 申请人： Martin Lindskog
- 优先权： SE0402840-3 20041119
- 国际申请： PCT/EP05/55726 WO 20051103
- 主分类号： F04D29/24
- IPC分类号： F04D29/24
摘要：
The present invention relates to a pump impeller (12) of a centrifugal or half axial type to be used in a pump for pumping liquids, wherein the impeller is arranged with one or several vanes (18), that the vanes are attached to cover discs (12, 16) on each side, forming a so called closed impeller wheel, characterized in that the leading edges (40) of the vanes are swept backwards at the inlet opening (42) in one of the cover discs (16) of the impeller.
信息查询
