发明名称 ECCENTRIC SCREW PUMP EQUIPPED WITH A ROTOR THAT IS EROSION-RESISTANT
摘要 An eccentric screw pump or an eccentric screw motor has a rotor formed from at least a tubular jacket with at least two layers. The outer layer of the jacket consists of a material that is abrasion-resistant and/or corrosion-resistant.
申请公布号 EP1656502(A1) 申请公布日期 2006.05.17
申请号 EP20040764133 申请日期 2004.08.14
申请人 WILHELM KAECHELE GMBH 发明人 KAECHELE, BRUNO
分类号 F04C2/107;(IPC1-7):F04C2/107 主分类号 F04C2/107
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