JP4123129B2 - タービン動翼 - Google Patents
タービン動翼 Download PDFInfo
- Publication number
- JP4123129B2 JP4123129B2 JP2003366760A JP2003366760A JP4123129B2 JP 4123129 B2 JP4123129 B2 JP 4123129B2 JP 2003366760 A JP2003366760 A JP 2003366760A JP 2003366760 A JP2003366760 A JP 2003366760A JP 4123129 B2 JP4123129 B2 JP 4123129B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- rotor blade
- cover
- inlet side
- contact surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Turbine Rotor Nozzle Sealing (AREA)
Description
θ′をなす様に傾斜させたものである。したがって、蒸気入口側の動翼カバー接触面2と出口部のカバー接触面5が効果的に接触し、段落の全ての動翼入口側の動翼カバー接触面2に下向きの荷重を加える事が可能になる。これにより、蒸気入口部の動翼エロージョンシールド接合部3に発生する引張荷重を低減できる。
Claims (1)
- 翼根元部から翼チップ部にかけて捻じれを有する動翼と動翼カバーが一体化し、回転時に動翼の捻り戻りによりそれぞれの動翼の動翼カバーが互いに接触するようなタービン動翼において、前記動翼は、動翼先端の蒸気入口側にエロージョンシールドが溶接により取付けられており、前記動翼カバーは、回転時に動翼の捻り戻りにより発生する蒸気入口側の動翼カバーの接触面圧を半径方向内側に生じさせるように、蒸気入口側の動翼カバー接触面をその外向き法線が動翼の内周方向半径方向線に対して鋭角をなすように傾斜させたことを特徴とするタービン動翼。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003366760A JP4123129B2 (ja) | 2003-10-28 | 2003-10-28 | タービン動翼 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003366760A JP4123129B2 (ja) | 2003-10-28 | 2003-10-28 | タービン動翼 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005133543A JP2005133543A (ja) | 2005-05-26 |
JP4123129B2 true JP4123129B2 (ja) | 2008-07-23 |
Family
ID=34644953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003366760A Expired - Fee Related JP4123129B2 (ja) | 2003-10-28 | 2003-10-28 | タービン動翼 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4123129B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4765882B2 (ja) * | 2006-10-05 | 2011-09-07 | 株式会社日立製作所 | 蒸気タービン動翼 |
CH699598A1 (de) | 2008-09-29 | 2010-03-31 | Alstom Technology Ltd | Schaufelreihe für die Endstufe einer Dampfturbine. |
CN102877892B (zh) * | 2012-10-23 | 2015-02-11 | 湖南航翔燃气轮机有限公司 | 一种涡轮转子叶片及具有其的燃气轮机 |
-
2003
- 2003-10-28 JP JP2003366760A patent/JP4123129B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005133543A (ja) | 2005-05-26 |
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