专利名称：Positive-displacement pump发明人：Willi Schneider申请号：US09808304申请日：20010314
公开号：US20020136656A1公开日：20020926
专利附图：
摘要：A positive-displacement pump including a rotating vein disposed within a pumphousing. The rotating vein is driven by a rotating drive shaft and the rotating vein isradially displaceable relative to the drive shaft wherein the ends of the rotating vein carrysealing strips that adjoin an inner wall of the pump housing. At least one energy storage
device is included for engaging the vein and holding the sealing strips in sealing contactwith the housing.
申请人：JOMA-HYDROMECHANIC GMBH
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