- 专利标题： Multi-stage vacuum pump
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申请号： US14219769申请日： 2014-03-19
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公开(公告)号： US09739278B2公开(公告)日： 2017-08-22
- 发明人: Alan Ernest Kinnaird Holbrook , Sivabalan Kailasam , Ross Gordon Eadie
- 申请人： Edwards Limited
- 申请人地址： GB Crawley
- 专利权人： Edwards Limited
- 当前专利权人： Edwards Limited
- 当前专利权人地址： GB Crawley
- 代理机构： Shumaker & Sieffert, P.A.
- 优先权： GB1305090.1 20130320
- 主分类号： F01C19/00
- IPC分类号： F01C19/00 ; F04C27/00 ; F01C21/10 ; F04C23/00 ; F04C25/02 ; F04C18/12
摘要：
A multi-stage vacuum pump may include a sealing arrangement for sealing between the stator components of the pump. The end seals of the arrangement comprise an annular portion for sealing between end stator components and shell components and axial portions which extend from the annular portion and together with separate axial seals seal between the shell components.
公开/授权文献
- US20140286806A1 MULTI-STAGE VACUUM PUMP 公开/授权日：2014-09-25