发明名称 ROOTS PUMP
摘要 A Roots pump comprises a plurality of multi-toothed rotary pumps, each forming a pump stage, and connection channels connecting respective adjacent pump stages. The invention provides that the connection channels are arranged in partitioning walls separating the adjacent pump stages.
申请公布号 US2014205483(A1) 申请公布日期 2014.07.24
申请号 US201214238611 申请日期 2012.08.07
申请人 Birch Peter;Dreifert Thomas;Jenkins Robert;Tunna Clive 发明人 Birch Peter;Dreifert Thomas;Jenkins Robert;Tunna Clive
分类号 F04C18/12;F04C23/00 主分类号 F04C18/12
代理机构 代理人
主权项 1. A Roots pump comprising a plurality of multi-toothed rotary pumps, each forming a pump stage, and connection channels connecting respective adjacent pump stages, wherein the connection channels are arranged in partitioning walls separating the adjacent pump stages.
地址 Sussex DE