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公开(公告)号:US20080031758A1
公开(公告)日:2008-02-07
申请号:US11832880
申请日:2007-08-02
申请人: Markus Rosam , Karl-Heinz Grebisz , Melanie Wetzel , Helmuth Goschy , Ulrich Braun , Klaus Gerbl
发明人: Markus Rosam , Karl-Heinz Grebisz , Melanie Wetzel , Helmuth Goschy , Ulrich Braun , Klaus Gerbl
IPC分类号: F04C2/107
CPC分类号: F04C2/1071 , F04B19/12 , F04C11/005 , F04C13/001 , F04C15/0061 , F04C2240/60
摘要: The inventions relates to a feed screw for eccentric screw pumps which, to avoid bridge formation of the medium and optimisation of the drive power, has a screw, which in the axial region, has perforations and webs.
摘要翻译: 本发明涉及一种用于偏心螺杆泵的进料螺杆,其避免介质的桥形成和驱动功率的优化,其具有在轴向区域中具有穿孔和腹板的螺杆。