Invention Grant
- Patent Title: Sealing arrangement of a steam turbine in which a sealing liquid and a vapor steam extraction system are used
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Application No.: US14415387Application Date: 2013-06-17
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Publication No.: US09885246B2Publication Date: 2018-02-06
- Inventor: Johan Flegler , Thomas Helmis , Norbert Surken
- Applicant: Siemens Aktiengesellschaft
- Applicant Address: DE Munich
- Assignee: Siemens Aktiengesellschaft
- Current Assignee: Siemens Aktiengesellschaft
- Current Assignee Address: DE Munich
- Agency: Beusse Wolter Sanks & Maire
- Priority: EP12177570 20120724
- International Application: PCT/EP2013/062464 WO 20130617
- International Announcement: WO2014/016048 WO 20140130
- Main IPC: F01D11/02
- IPC: F01D11/02 ; F01D11/04 ; F16J15/40

Abstract:
A sealing arrangement for a duct, through a stationary housing, of a shaft which rotates about an axis is provided, wherein a sealing liquid is used for sealing instead of sealing steam. The sealing arrangement includes a seal, having a vapor steam extraction system, and a feed line, which is arranged between the inner space and the vapor steam extraction system and is designed for supplying a sealing liquid, wherein a labyrinth seal, a brush seal with metallic bristles, a brush seal with bristles made of natural fibers and/or a brush seal made of synthetic fibers is provided for sealing off with respect to the inner space and the vapor steam extraction system.
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