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Blade arrangement for a gas turbine and method for operating such a blade arrangement
US8998566B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8998566-B2 |
| Application number | US-201113323558-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 12, 2011 |
| Priority date | Dec 21, 2010 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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- Title
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Abstract
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A blade arrangement is provided for a gas turbine, in which blade leaves, having a leading edge and a trailing edge and also a pressure side and a suction side, are assembled sealingly with platforms configured as separate components. A peripheral sealing arrangement is provided between the blade leaves and the associated platforms, which seals off an interspace between the blade leaves and platforms against hot gas flowing around the blade leaves. A directed site-dependent supply of cooling air for purging the sealing arrangement is provided on a side of the sealing arrangement which faces away from the hot gas. A method of operating the above blade arrangement is also provided. The method includes supplying cooling air for purging the sealing arrangement at a pressure which decreases from the leading edge of the blade leaves to the trailing edge.
First claim
Opening claim text (preview).
What is claimed is: 1. A blade arrangement for a gas turbine, in which comprising: blade leaves having a leading edge, a trailing edge, a pressure side and a suction side; platforms configured as separate components, the blade leaves sealingly assembled with respective platforms; a peripheral sealing arrangement provided between the blade leaves and the respective platforms for sealing off an interspace between the blade leaves and the respective platforms against hot gas flow…
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Mechanical Engineering · mapped topic
- F01D9/042Primary
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US8998566B2 cover?
- A blade arrangement is provided for a gas turbine, in which blade leaves, having a leading edge and a trailing edge and also a pressure side and a suction side, are assembled sealingly with platforms configured as separate components. A peripheral sealing arrangement is provided between the blade leaves and the associated platforms, which seals off an interspace between the blade leaves and pla…
- Who is the assignee on this patent?
- Justl Sascha, Simon-Delgado Carlos, Brandl Herbert, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification F01D9/042. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).