JP5738536B2 - カバープレートとシールを含むシールアセンブリを有するガスタービン - Google Patents
カバープレートとシールを含むシールアセンブリを有するガスタービン Download PDFInfo
- Publication number
- JP5738536B2 JP5738536B2 JP2010052475A JP2010052475A JP5738536B2 JP 5738536 B2 JP5738536 B2 JP 5738536B2 JP 2010052475 A JP2010052475 A JP 2010052475A JP 2010052475 A JP2010052475 A JP 2010052475A JP 5738536 B2 JP5738536 B2 JP 5738536B2
- Authority
- JP
- Japan
- Prior art keywords
- seal
- wheel
- cover plate
- gas turbine
- blade
- 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.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims description 7
- 241000879887 Cyrtopleura costata Species 0.000 claims description 5
- 238000010926 purge Methods 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 241000725175 Caladium bicolor Species 0.000 description 1
- 235000015966 Pleurocybella porrigens Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/005—Sealing means between non relatively rotating elements
- F01D11/006—Sealing the gap between rotor blades or blades and rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
- F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
101 シールアセンブリ
102 動翼
104 ホイール
106 回転軸
108 シール
110 カバープレート
112 エンジェルウィング
206 フック
208 外縁
210 スロット
302 ノズル
304 ノズル支持リング
305 部品
306 ダイアフラム
308 高温のガス流
312 ホイール空間パージ用空気
314 ホイール空間
316 貫通穴
402,502 単一コイルシール
504 カバープレート
506 隙間
602 多重コイルシール
700 分割シール
702 接合部
704 区画
802 カバープレート区画
804 境界
804 カバープレート接合部
806 分割カバープレート
902,906 フック
904 シール
Claims (16)
- 回転軸(106)と、
前記回転軸(106)に連結されたホイール(104)と、
前記ホイール(104)に連結された動翼(102)と、
前記ホイール(104)及び前記動翼(102)に固定されるカバープレート(504,110)と、
前記カバープレート(504,110)と、前記ホイール(104)及び前記動翼(102)との間に配置されるシール(108,904)と
を含むガスタービンであって、前記シール(108,904)が前記ホイール(104)及び前記動翼(102)の側面に沿って延在して前記ホイール(104)と前記動翼(102)との間の境界全体を封止しており、前記カバープレート(504,110)が前記シール全体を覆っている、ガスタービン。 - 前記カバープレート(504,110)がエンジェルウィング(112)を含む、請求項1に記載のガスタービン。
- 前記カバープレート(504,110)が、前記ガスタービンのホイール(104)に前記カバープレート(504,110)を固定するフック(206)を含む、請求項1又は請求項2に記載のガスタービン。
- 前記カバープレート(504,110)が、前記ガスタービンの動翼(102)内のスロット(210)に係合する外縁(208)を含む、請求項1乃至請求項3のいずれか1項に記載のガスタービン。
- 前記シール(108,904)が、一箇所に割れ目を有する360度のシール(108,904)を含む、請求項1乃至請求項4のいずれか1項に記載のガスタービン。
- 前記シール(108,904)が720度の多重コイルシール(108,904)を含む、請求項1乃至請求項4のいずれか1項に記載のガスタービン。
- 前記シール(108,904)が分割シール(108,904)を含む、請求項1乃至請求項4のいずれか1項に記載のガスタービン。
- 前記カバープレート(504,110)及びシール(108,904)が、前記ホイール(104)の前方側又は後方側に設置される、請求項1乃至請求項7のいずれか1項に記載のガスタービン。
- 前記カバープレート(504,110)及びシール(108,904)が、前記ホイール(104)の前方側及び後方側に設置される、請求項1乃至請求項7のいずれか1項に記載のガスタービン。
- 前記ホイール(104)から前記動翼(102)に冷却用空気が供給される、請求項1乃至請求項9のいずれか1項記載のガスタービン。
- 回転軸(106)を有する機械(100)のシールアセンブリ(101)であって、前記シールアセンブリ(101)が、
前記回転軸(106)に連結されるホイール(104)と、
前記ホイール(104)に連結される動翼(102)と、
前記機械(100)の前記ホイール(104)及び前記動翼(102)に固定されるカバープレート(504,110)と、
前記カバープレート(504,110)と、前記ホイール(104)及び前記動翼(102)との間に配置されるシール(108,904)と
を含んでおり、前記シール(108,904)が前記ホイール(104)及び前記動翼(102)の側面に沿って延在して前記ホイール(104)と前記動翼(102)との間の境界全体を封止しており、前記カバープレート(504,110)が前記シール全体を覆っている、シールアセンブリ。 - 前記カバープレート(504,110)がエンジェルウィング(112)を含む、請求項11に記載のシールアセンブリ。
- 前記カバープレート(504,110)が、前記機械(100)の前記ホイール(104)に前記カバープレート(504,110)を固定するフック(206)を含む、請求項11又は請求項12に記載のシールアセンブリ。
- 前記カバープレート(504,110)が、前記機械(100)の前記動翼(102)内のスロット(210)に係合する外縁(208)を含む、請求項11乃至請求項13のいずれか1項に記載のシールアセンブリ。
- 前記シール(108,904)が、一箇所に割れ目を有する360度のシール(108,904)を含む、請求項11乃至請求項14のいずれか1項に記載のシールアセンブリ。
- 前記ホイール(104)から前記動翼(102)に冷却用空気が供給される、請求項11乃至請求項15のいずれか1項記載のシールアセンブリ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/402,800 | 2009-03-12 | ||
US12/402,800 US8696320B2 (en) | 2009-03-12 | 2009-03-12 | Gas turbine having seal assembly with coverplate and seal |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010216474A JP2010216474A (ja) | 2010-09-30 |
JP5738536B2 true JP5738536B2 (ja) | 2015-06-24 |
Family
ID=42238696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010052475A Active JP5738536B2 (ja) | 2009-03-12 | 2010-03-10 | カバープレートとシールを含むシールアセンブリを有するガスタービン |
Country Status (4)
Country | Link |
---|---|
US (1) | US8696320B2 (ja) |
EP (1) | EP2236756A3 (ja) |
JP (1) | JP5738536B2 (ja) |
CN (1) | CN101892911B (ja) |
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-
2009
- 2009-03-12 US US12/402,800 patent/US8696320B2/en active Active
-
2010
- 2010-03-10 JP JP2010052475A patent/JP5738536B2/ja active Active
- 2010-03-11 EP EP10156207.2A patent/EP2236756A3/en not_active Ceased
- 2010-03-12 CN CN201010146904.7A patent/CN101892911B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP2236756A2 (en) | 2010-10-06 |
EP2236756A3 (en) | 2013-09-11 |
CN101892911A (zh) | 2010-11-24 |
CN101892911B (zh) | 2014-04-09 |
US20100232938A1 (en) | 2010-09-16 |
US8696320B2 (en) | 2014-04-15 |
JP2010216474A (ja) | 2010-09-30 |
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