发明名称 Dry-running rotary vane vacuum pump
摘要 This dry-running rotary vane vacuum pump has a rotor with only three or four separating sluice valves (16). A butterfly valve (22) is located in each outlet channel (20); its valve plate (28) is elastically deformable between the opened and closed positions, and/or performs a stroke. <IMAGE>
申请公布号 DE3632318(A1) 申请公布日期 1988.03.31
申请号 DE19863632318 申请日期 1986.09.23
申请人 WERNER RIETSCHLE MASCHINEN- UND APPARATEBAU GMBH 发明人 RIETSCHLE,WERNER
分类号 F04C18/344;F04C29/12;(IPC1-7):F04C18/344 主分类号 F04C18/344
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