发明公开
- 专利标题： Seal structure for a steam turbine
- 专利标题（中）： Dichtungsanordnungfüreine Dampfturbine
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申请号： EP11171614.8申请日： 2008-12-01
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公开(公告)号： EP2372103A1公开(公告)日： 2011-10-05
- 发明人: Narita, Kenjiro , Yamazaki, Haruyuki , Doi, Hiroyuki , Kobayashi, Kei , Toriya, Hajime
- 申请人： Hitachi Ltd.
- 申请人地址： 6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo 100-8280 JP
- 专利权人： Hitachi Ltd.
- 当前专利权人： Hitachi Ltd.
- 当前专利权人地址： 6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo 100-8280 JP
- 代理机构： Kirschner, Klaus Dieter
- 优先权： JP2007313803 20071204
- 主分类号： F01D11/00
- IPC分类号： F01D11/00 ; F01D11/08 ; F01D11/02 ; F16J15/16 ; F16J15/447
摘要：
A steam turbine is provided comprising a seal device (3c) provided between a rotating portion (2a) and a fixed portion (3a), the rotating portion being composed of a rotor and members that rotate with the rotor, the fixed portion being composed of a casing and members fixed to the casing, the casing containing the rotating portion, wherein the seal device further comprises a plurality of seal fins (3c2,3c3) provided at least one of the rotating portion and the fixed portion, and spacers made of a permeable metal (4) that makes part of the leaking steam pass through, the spacers facing the respective seal fins.
公开/授权文献
- EP2372103B1 Seal structure for a steam turbine 公开/授权日：2015-04-15
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