JP2017040258A - タービンシュラウド組立体 - Google Patents
タービンシュラウド組立体 Download PDFInfo
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- JP2017040258A JP2017040258A JP2016152405A JP2016152405A JP2017040258A JP 2017040258 A JP2017040258 A JP 2017040258A JP 2016152405 A JP2016152405 A JP 2016152405A JP 2016152405 A JP2016152405 A JP 2016152405A JP 2017040258 A JP2017040258 A JP 2017040258A
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- Prior art keywords
- shroud
- damper block
- biasing
- turbine
- bellows
- Prior art date
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- 238000006073 displacement reaction Methods 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 21
- 230000004044 response Effects 0.000 claims description 6
- 239000012720 thermal barrier coating Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 38
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 6
- 229910010271 silicon carbide Inorganic materials 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000011153 ceramic matrix composite Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- -1 but not limited to Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/26—Double casings; Measures against temperature strain in casings
-
- 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
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/005—Selecting 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/04—Antivibration arrangements
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
-
- 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
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
-
- 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
- F05D2240/10—Stators
- F05D2240/11—Shroud seal segments
-
- 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
- F05D2260/00—Function
- F05D2260/50—Kinematic linkage, i.e. transmission of position
- F05D2260/52—Kinematic linkage, i.e. transmission of position involving springs
-
- 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
- F05D2260/00—Function
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/171—Steel alloys
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/502—Thermal properties
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
- F05D2300/6033—Ceramic matrix composites [CMC]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
102 内側シュラウド
104 外側シュラウド
106 ダンパーブロック
108 第1の付勢装置
110 第2の付勢装置
114 高温ガス経路
Claims (14)
- タービンシュラウド組立体(100)であって、
高温ガス経路(114)に隣接した表面(112)を有する内側シュラウド(102)と、
外側シュラウド(104)と、
前記内側シュラウド(102)と前記外側シュラウド(104)との間に配置されるダンパーブロック(106)と、
前記内側シュラウド(102)に第1の付勢力(116)を提供して、前記内側シュラウド(102)を前記外側シュラウド(104)から離れて前記高温ガス経路(114)に向かう方向(120)に第1の偏位距離(118)だけ付勢する第1の付勢装置(108)と、
前記ダンパーブロック(106)に第2の付勢力(122)を提供して、前記ダンパーブロック(106)を前記外側シュラウド(104)から離れて前記高温ガス経路(114)に向かう前記方向(120)に第2の偏位距離(124)だけ付勢する第2の付勢装置(110)と、
を備え、前記第2の偏位距離(124)が前記第1の偏位距離(118)よりも大きく、前記ダンパーブロック(106)を前記内側シュラウド(102)に装着するようにする、タービンシュラウド組立体(100)。 - 第1の付勢装置(108)は、少なくとも1つのバネ(300)を含み、該バネ(300)は、前記内側シュラウド(102)に接続又は接触して、前記内側シュラウド(102)に前記第1の付勢力(116)を作用するように構成されている、請求項1に記載のタービンシュラウド組立体(100)。
- 前記第1の付勢装置(108)は、前記内側シュラウド(102)に接続又は接触する少なくとも1つのベローズ(144)を含み、該少なくとも1つのベローズ(144)は、前記少なくとも1つのベローズ(144)内の内部圧力の増大に応答して前記高温ガス経路(114)に向かって拡大し、前記内側シュラウド(102)に前記第1の付勢力(116)を作用するように構成されている、請求項1に記載のタービンシュラウド組立体(100)。
- 前記第1の付勢装置(108)が、前記内側シュラウド(102)に接続又は接触されて、前記内側シュラウド(102)に前記第1の付勢力(116)を作用するように構成された少なくとも1つの推力ピストン(200)を含む、請求項1に記載のタービンシュラウド組立体(100)。
- 前記第1の付勢装置(108)が、偏位制限器(126)を含み、該偏位制限器(126)が、前記第1の偏位距離(118)が所定の偏位量(128)を超えないように配列及び配置される、請求項1に記載のタービンシュラウド組立体(100)。
- 前記偏位制限器(126)が、前記所定の偏位量(128)を変更するよう調整可能である、請求項8に記載のタービンシュラウド組立体(100)。
- 前記第2の付勢装置(110)が、少なくとも1つのバネ(300)を含み、該バネ(300)が、前記ダンパーブロック(106)に接続又は接触して、前記ダンパーブロック(106)に第2の付勢力(122)を作用するように構成されている、請求項1に記載のタービンシュラウド組立体(100)。
- 前記第2の付勢装置(110)が、前記ダンパーブロック(106)に接続又は接触した少なくとも1つのベローズ(144)を含み、該少なくとも1つのベローズ(144)は、前記少なくとも1つのベローズ(144)内の内部圧力の増大に応答して前記高温ガス経路(114)に向かって拡大し、前記ダンパーブロック(106)に前記第2の付勢力(122)を作用するように構成されている、請求項1に記載のタービンシュラウド組立体(100)。
- 前記第2の付勢装置(110)が、前記ダンパーブロック(106)に接続又は接触し、前記ダンパーブロック(106)に前記第2の付勢力(122)を作用するように構成された少なくとも1つの推力ピストン(200)を含む、請求項1に記載のタービンシュラウド組立体(100)。
- 前記ダンパーブロック(106)に第3の付勢力(132)を提供して、前記ダンパーブロック(106)を前記外側シュラウド(104)から離れて前記高温ガス経路(114)に向かう前記方向(120)に第3の偏位距離(134)だけ付勢する第3の付勢装置(130)を更に備え、前記第3の偏位距離(134)が前記第1の偏位距離(118)よりも大きく、前記ダンパーブロック(106)を前記内側シュラウド(102)に装着するようにする、請求項1に記載のタービンシュラウド組立体(100)。
- 前記ダンパーブロック(106)が熱障壁コーティングを含む、請求項1に記載のタービンシュラウド組立体(100)。
- タービンシュラウド組立体(100)であって、
高温ガス経路(114)に隣接した表面(112)を有する内側シュラウド(102)と、
外側シュラウド(104)と、
前記内側シュラウド(102)と前記外側シュラウド(104)との間に配置されるダンパーブロック(106)と、
加圧流体によって駆動され、前記内側シュラウド(102)に第1の付勢力(116)を提供して、前記内側シュラウド(102)を前記外側シュラウド(104)から離れて前記高温ガス経路(114)に向かう方向(120)に第1の偏位距離(118)だけ付勢する第1のバネなし付勢装置(108)と、
を備え、
前記第1のバネなし付勢装置(108)が、少なくとも1つのベローズ(144)、又は少なくとも1つの推力ピストン(200)、もしくは少なくとも1つのベローズ(144)と少なくとも1つの推力ピストン(200)の組み合わせを含み、
前記タービンシュラウド組立体(100)が更に、
前記加圧流体によって駆動され、前記ダンパーブロック(106)に第2の付勢力(122)を提供して、前記ダンパーブロック(106)を前記外側シュラウド(104)から離れて前記高温ガス経路(114)に向かう前記方向(120)に第2の偏位距離(124)だけ付勢する第2のバネなし付勢装置(110)を備え、
前記第2のバネなし付勢装置(110)が、少なくとも1つのベローズ(144)、又は少なくとも1つの推力ピストン(200)、もしくは少なくとも1つのベローズ(144)と少なくとも1つの推力ピストン(200)の組み合わせを含み、
前記タービンシュラウド組立体(100)が更に、
前記第1の偏位距離(118)が所定の偏位量(128)を超えないように配列及び配置された調整可能偏位制限器(126)を備え、
前記所定の偏位量(128)が前記偏位制限器(126)の調整により変更可能であり、前記第2の偏位距離(124)が前記第1の偏位距離(118)よりも大きく、前記ダンパーブロック(106)を前記内側シュラウド(102)に装着するようにする、タービンシュラウド組立体(100)。 - 加圧流体によって駆動され、前記ダンパーブロック(106)に第3の付勢力(132)を提供して、前記ダンパーブロック(106)を前記外側シュラウド(104)から離れて前記高温ガス経路(114)に向かう前記方向(120)に第3の偏位距離(134)だけ付勢する第3のバネなし付勢装置(130)を更に備え、前記第3のバネなし付勢装置(130)が、少なくとも1つのベローズ(144)、又は少なくとも1つの推力ピストン(200)、もしくは少なくとも1つのベローズ(144)と少なくとも1つの推力ピストン(200)の組み合わせを含む、請求項12に記載のタービンシュラウド組立体(100)。
- 前記ダンパーブロック(106)が熱障壁コーティングを含む、請求項12に記載のタービンシュラウド組立体(100)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/827,698 US9903218B2 (en) | 2015-08-17 | 2015-08-17 | Turbine shroud assembly |
US14/827,698 | 2015-08-17 |
Publications (2)
Publication Number | Publication Date |
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JP2017040258A true JP2017040258A (ja) | 2017-02-23 |
JP6798814B2 JP6798814B2 (ja) | 2020-12-09 |
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Application Number | Title | Priority Date | Filing Date |
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JP2016152405A Active JP6798814B2 (ja) | 2015-08-17 | 2016-08-03 | タービンシュラウド組立体 |
Country Status (5)
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US (1) | US9903218B2 (ja) |
JP (1) | JP6798814B2 (ja) |
CN (1) | CN106468189B (ja) |
DE (1) | DE102016114997A1 (ja) |
GB (1) | GB2541806B (ja) |
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US10544701B2 (en) | 2017-06-15 | 2020-01-28 | General Electric Company | Turbine shroud assembly |
US10669895B2 (en) | 2017-06-15 | 2020-06-02 | General Electric Company | Shroud dampening pin and turbine shroud assembly |
US10526921B2 (en) | 2017-06-15 | 2020-01-07 | General Electric Company | Anti-rotation shroud dampening pin and turbine shroud assembly |
US10851712B2 (en) * | 2017-06-27 | 2020-12-01 | General Electric Company | Clearance control device |
US10704408B2 (en) * | 2018-05-03 | 2020-07-07 | Rolls-Royce North American Technologies Inc. | Dual response blade track system |
US11208912B2 (en) * | 2018-12-13 | 2021-12-28 | General Electric Company | Turbine engine with floating shrouds |
WO2020131024A1 (en) * | 2018-12-18 | 2020-06-25 | Siemens Aktiengesellschaft | Pneumatically operated clearance control seal |
US11021990B2 (en) * | 2018-12-19 | 2021-06-01 | General Electric Company | Shroud sealing for a gas turbine engine |
US11248485B1 (en) | 2020-08-17 | 2022-02-15 | General Electric Company | Systems and apparatus to control deflection mismatch between static and rotating structures |
US20220178266A1 (en) * | 2020-12-04 | 2022-06-09 | General Electric Company | Fast response active clearance control system with piezoelectric actuator |
US11608747B2 (en) | 2021-01-07 | 2023-03-21 | General Electric Company | Split shroud for vibration reduction |
US11572794B2 (en) | 2021-01-07 | 2023-02-07 | General Electric Company | Inner shroud damper for vibration reduction |
US11761351B2 (en) * | 2021-05-25 | 2023-09-19 | Rolls-Royce Corporation | Turbine shroud assembly with radially located ceramic matrix composite shroud segments |
Citations (5)
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JPS62142808A (ja) * | 1985-12-18 | 1987-06-26 | Toshiba Corp | ガスタ−ビンの間隙制御装置 |
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US20170051627A1 (en) | 2017-02-23 |
GB2541806B (en) | 2019-06-26 |
US9903218B2 (en) | 2018-02-27 |
GB201613989D0 (en) | 2016-09-28 |
JP6798814B2 (ja) | 2020-12-09 |
CN106468189B (zh) | 2020-02-21 |
DE102016114997A1 (de) | 2017-02-23 |
GB2541806A (en) | 2017-03-01 |
CN106468189A (zh) | 2017-03-01 |
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