发明名称 PUMP, MAINLY CENTRIFUGAL OR HALF-AXIAL PUMP PARTICULARLY FOR PUMPING WASTE WATER
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 HU9802161(A3) 申请公布日期 2000.07.28
申请号 HU19980002161 申请日期 1998.09.28
申请人 ITT MANUFACTURING ENTERPRISES INC., WILMINGTON, DELAWARE 发明人
分类号 E03F5/22;F04D1/04;F04D3/02;F04D7/00;F04D7/04;F04D29/18;F04D29/24 主分类号 E03F5/22
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