发明名称 PUMP IMPELLER
摘要 The invention concerns a pump impeller of a centrifugal- or a half axial type meant to pump liquids, mainly sewage water. According to the invention, the pump impeller comprises a hub (4) provided with one or several vanes (5) the leading edges (6) of which being strongly swept backwards . The periphery (8) of the leading edge is displaced 125-195 degrees relative to its connection (7) to the hub (4). <IMAGE>
申请公布号 PL329717(A1) 申请公布日期 1999.05.24
申请号 PL19980329717 申请日期 1998.11.17
申请人 ITT MANUFACTURING ENTERPRISES INC. 发明人 ARBEUS ULF
分类号 E03F5/22;F04D1/04;F04D3/02;F04D7/00;F04D7/04;F04D29/18;F04D29/24 主分类号 E03F5/22
代理机构 代理人
主权项
地址