发明名称 Rotor for a vacuum pump
摘要 The rotor has a piston (38) comprising cover plates (42, 44) that are connected with a front end of a cladding body (40). The cover plates include respective transition plates (422, 442) that are connected with respective closing plates (420, 440) by a screw (60). The screw is held in an element that provides relative movements between the closing and transition plates. The transition plates are made of metal. The cover plates and the cladding body are made of fiber-reinforced composite material. The closing plates und the cladding body are vacuum-tightly connected with one another. An independent claim is also included for a vacuum pump comprising a cladding body.
申请公布号 EP2375074(A3) 申请公布日期 2014.11.12
申请号 EP20110001295 申请日期 2011.02.17
申请人 PFEIFFER VACUUM GMBH 发明人 OBERBECK, SEBASTIAN
分类号 F04C18/12;F04C25/02 主分类号 F04C18/12
代理机构 代理人
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