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 |
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代理人 |
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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 |