专利名称：Pump unit of a vane pump with movable
sleeve and spring element
发明人：Boris Zinke申请号：US13058514申请日：20090720公开号：US08932037B2公开日：20150113
专利附图：
摘要：A pump unit of a vane-type pump having no dedicated housing including a driveshaft, a rotor that interacts with the drive shaft and accommodates vanes, a contour ringsurrounding the rotor, and a first and a second side plate which are disposed laterally of
the contour ring.
申请人：Boris Zinke
地址：Kelkheim DE
国籍：DE
代理机构：Davidson, Davidson & Kappel, LLC
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