JP6001853B2 - ターボ機械においてブラシシールセグメントを調整するためのシステム - Google Patents
ターボ機械においてブラシシールセグメントを調整するためのシステム Download PDFInfo
- Publication number
- JP6001853B2 JP6001853B2 JP2011282559A JP2011282559A JP6001853B2 JP 6001853 B2 JP6001853 B2 JP 6001853B2 JP 2011282559 A JP2011282559 A JP 2011282559A JP 2011282559 A JP2011282559 A JP 2011282559A JP 6001853 B2 JP6001853 B2 JP 6001853B2
- Authority
- JP
- Japan
- Prior art keywords
- brush
- movable support
- rotor
- biasing element
- brush seal
- 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
Links
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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
-
- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
- F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
- F16J15/3288—Filamentary structures, e.g. brush seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/55—Seals
- F05D2240/56—Brush seals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sealing Devices (AREA)
Description
12 燃料ノズル
14 供給燃料
16 燃焼器
18 タービン
20 排出出口
22 ロータ
24 圧縮機
26 吸気口
28 負荷
38 ターボ機械
40 ブラシシールセグメント
42 ステータ
44 回転軸
46 ブラシ
56 中間付勢要素
66 チャンバ
68 可動支持部
70 ブリストル
72 外面
74 長さ
76 ポケット
78 付勢要素
84 ブラシクリアランス
86 スペース
96 ヘッド
98 延長部
100 開口
102 半径方向
104 前部
106 後部
108 半径方向
109 作動流体
110 漏洩流
120 溝
122 軸方向
124 軸方向
126 圧力
128 圧力
138 底部
140 底部
142 角度
144 角度
145 角度付き移動経路
146 角度
156 上面
158 上面
168 端部
170 端部
172 溝
174 突出部
176 軸方向移動経路
178 角度付き移動経路
180 角度付き移動経路
182 軸方向移動経路
Claims (10)
- 可動支持部(68)と、
前記可動支持部(68)に結合されたブラシ(46)と、
前記可動支持部(68)に結合された付勢要素(78)と、
を含むブラシシールセグメント(40)を備えるシステムであって、
前記付勢要素(78)が、同じ軸方向に前記可動支持部(68)全体を付勢してロータ(22)とステータ(42)との間のスペース(86)内のブラシクリアランス(84)を変更するよう構成され、
前記ステータ(42)は、角度付き底部を有するチャンバを備え、
前記可動支持部(68)の一部は、前記チャンバ内に配置され、
前記付勢要素(78)は、前記角度付き底部とともに、同じ軸方向及び半径方向に前記可動支持部(68)を付勢して、前記ロータ(22)と前記ステータ(42)との間のスペース(86)内の前記ブラシクリアランス(84)を変更するよう構成されている、
システム。 - 前記可動支持部(68)が、前記ロータ(22)の回転軸(44)に対して角度付き移動経路を有し、該角度付き移動経路が、約0度よりも大きく且つ約90度よりも小さい角度(146)を有する、請求項1に記載のシステム。
- 前記付勢要素(78)が、前記角度付き移動経路に沿ってのみ移動するよう前記可動支持部(68)を付勢するように構成されている、請求項2に記載のシステム。
- 前記可動支持部(68)が、前記ロータ(22)の回転軸(44)に沿った軸方向移動経路を有する、請求項2に記載のシステム。
- 前記付勢要素(78)が、軸方向移動経路の後に前記角度付き移動経路に沿って移動するよう前記可動支持部(68)を付勢するように構成されている、請求項4に記載のシステム。
- 前記付勢要素(78)が、同じ軸方向に前記可動支持部(68)を付勢して、前記ブラシ(46)を前記ロータ(22)上の溝(120)内に移動させるよう構成されている、請求項1に記載のシステム。
- 前記付勢要素(78)が、前記可動支持部(68)を第1の位置から第2の位置に付勢し、前記ブラシ(46)と前記ロータ(22)との間のスペース(86)内の前記ブラシクリアランス(84)を増大させるよう構成され、前記可動支持部(68)が、流体流に応答して、前記第2の位置から前記第1の位置に移動して前記ブラシクリアランス(84)を減少させるよう構成され、前記流体流が、前記付勢要素(78)とは反対方向に前記可動支持部(68)を付勢するよう構成されている、請求項1に記載のシステム。
- 前記付勢要素(78)がバネを含む、請求項1に記載のシステム。
- 前記システムが、前記ロータ(22)、前記ステータ(42)及び前記ブラシシールセグメント(40)を有するターボ機械(38)を備える、請求項1に記載のシステム。
- 前記ロータ(22)と前記ステータ(42)との間で環状配列の複数のシールセグメント(40)を更に備え、前記複数のシールセグメント(40)の隣接するセグメントが中間付勢要素(56)を含む、請求項9に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/987,052 US8794918B2 (en) | 2011-01-07 | 2011-01-07 | System for adjusting brush seal segments in turbomachine |
US12/987,052 | 2011-01-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012145102A JP2012145102A (ja) | 2012-08-02 |
JP2012145102A5 JP2012145102A5 (ja) | 2015-02-19 |
JP6001853B2 true JP6001853B2 (ja) | 2016-10-05 |
Family
ID=46330807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011282559A Expired - Fee Related JP6001853B2 (ja) | 2011-01-07 | 2011-12-26 | ターボ機械においてブラシシールセグメントを調整するためのシステム |
Country Status (5)
Country | Link |
---|---|
US (1) | US8794918B2 (ja) |
JP (1) | JP6001853B2 (ja) |
DE (1) | DE102011057159A1 (ja) |
FR (1) | FR2970290B1 (ja) |
RU (1) | RU2011154006A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170107557A (ko) * | 2015-03-09 | 2017-09-25 | 이구루코교 가부시기가이샤 | 분할형 브러시 시일 장치, 브러시 시일편 및 분할형 브러시 시일 장치의 조립 방법 |
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US9394801B2 (en) | 2013-10-07 | 2016-07-19 | General Electric Company | Adjustable turbine seal and method of assembling same |
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KR101695107B1 (ko) * | 2015-12-14 | 2017-01-10 | 두산중공업 주식회사 | 터빈의 실링 구조 |
DE102016204213A1 (de) * | 2016-03-15 | 2017-09-21 | MTU Aero Engines AG | Dichtungsanordnung für Turbine |
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US11525405B2 (en) * | 2018-03-07 | 2022-12-13 | Doosan Enerbility Co., Ltd. | Turbine apparatus |
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-
2011
- 2011-01-07 US US12/987,052 patent/US8794918B2/en not_active Expired - Fee Related
- 2011-12-26 JP JP2011282559A patent/JP6001853B2/ja not_active Expired - Fee Related
- 2011-12-29 DE DE102011057159A patent/DE102011057159A1/de not_active Ceased
- 2011-12-29 RU RU2011154006/06A patent/RU2011154006A/ru not_active Application Discontinuation
-
2012
- 2012-01-06 FR FR1250152A patent/FR2970290B1/fr not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170107557A (ko) * | 2015-03-09 | 2017-09-25 | 이구루코교 가부시기가이샤 | 분할형 브러시 시일 장치, 브러시 시일편 및 분할형 브러시 시일 장치의 조립 방법 |
KR101939733B1 (ko) | 2015-03-09 | 2019-01-18 | 이구루코교 가부시기가이샤 | 분할형 브러시 시일 장치, 브러시 시일편 및 분할형 브러시 시일 장치의 조립 방법 |
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US20120177483A1 (en) | 2012-07-12 |
DE102011057159A1 (de) | 2012-08-16 |
FR2970290B1 (fr) | 2018-02-09 |
US8794918B2 (en) | 2014-08-05 |
RU2011154006A (ru) | 2013-07-20 |
FR2970290A1 (fr) | 2012-07-13 |
JP2012145102A (ja) | 2012-08-02 |
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