JP2021092222A - ターボ機械ロータブレード用のダンパスタック - Google Patents
ターボ機械ロータブレード用のダンパスタック Download PDFInfo
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- JP2021092222A JP2021092222A JP2020194371A JP2020194371A JP2021092222A JP 2021092222 A JP2021092222 A JP 2021092222A JP 2020194371 A JP2020194371 A JP 2020194371A JP 2020194371 A JP2020194371 A JP 2020194371A JP 2021092222 A JP2021092222 A JP 2021092222A
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- Prior art keywords
- damper
- damping passage
- pins
- stack
- pin
- 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.)
- Pending
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- 238000013016 damping Methods 0.000 claims abstract description 60
- 230000003068 static effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 description 18
- 239000007789 gas Substances 0.000 description 15
- 239000000567 combustion gas Substances 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 239000002826 coolant Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 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
- 239000007787 solid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- 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
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
-
- 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
- F01D5/14—Form or construction
- F01D5/16—Form or construction for counteracting blade vibration
-
- 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
- F01D5/12—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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- 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
-
- 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
- F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
-
- 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
- F05D2230/00—Manufacture
- F05D2230/50—Building or constructing in particular ways
- F05D2230/51—Building or constructing in particular ways in a modular way, e.g. using several identical or complementary parts or features
-
- 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
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- 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
- F05D2240/80—Platforms for stationary or moving blades
-
- 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
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/23—Three-dimensional prismatic
- F05D2250/231—Three-dimensional prismatic cylindrical
-
- 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
- F05D2250/00—Geometry
- F05D2250/20—Three-dimensional
- F05D2250/24—Three-dimensional ellipsoidal
- F05D2250/241—Three-dimensional ellipsoidal spherical
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
12 入口セクション
14 圧縮機セクション
16 燃焼器セクション、燃焼セクション
18 タービンセクション
20 排気セクション
22 シャフト
24 ロータディスク
26 ロータブレード、圧縮機ブレード、バケット
28 ロータディスク
30 ロータブレード、タービンブレード、バケット
31 外側ケーシング
32 高温ガス経路
34 燃焼ガス
36 翼形部
38 シャンク
40 根元、ダブテール
42 プラットフォーム
44 基部
46 先端
50 先端シュラウド
52 中間シュラウド
54 冷却通路
56 第1の冷却回路
58 第2の冷却回路
60 減衰通路
62 プラグ
64 静的インサート
66 アクセス孔
70 ダンパスタック
72 ダンパピン
72’ 第1のダンパピン
72’’ 第2のダンパピン
73 長さ
74 第1の端部
76 第2の端部
78 内部通路
Claims (11)
- 圧縮機セクション(14)と、
燃焼器セクション(16)と、
タービンセクション(18)と、
前記圧縮機セクション(14)または前記タービンセクション(18)の少なくとも1つに設けられた複数のロータブレード(26、30)であって、前記複数のロータブレード(26、30)の各々は、
シャンク(38)、および前記シャンク(38)から半径方向外向きに延びる翼形部(36)を備える本体と、
前記本体に画定された減衰通路(60)であって、前記本体を通って半径方向に延びる減衰通路(60)と、
前記減衰通路(60)内に配置されたダンパスタック(70)であって、複数のダンパピン(72)を備え、前記複数のダンパピン(72)の各々は、隣接するダンパピン(72)と接触するダンパスタック(70)と
を備える複数のロータブレード(26、30)と
を備える、ターボ機械。 - 前記複数のダンパピン(72)は、第1のダンパピン(72’)と、第2のダンパピン(72’’)とを備え、前記複数のダンパピン(72)の各々は、第1の端部(74)と第2の端部(76)との間に延び、前記第1のダンパピン(72’)の前記第1の端部(74)は、前記第2のダンパピン(72’’)の前記第2の端部(76)に接触する、請求項1に記載のターボ機械。
- 前記第1のダンパピン(72’)の前記第1の端部(74)は、外向きの球形形状を有し、前記第2のダンパピン(72’’)の前記第2の端部(76)は、内向きの球形形状を有する、請求項2に記載のターボ機械。
- 前記複数のダンパピン(72)の各々の長さ(73)は、前記ダンパピン(72)の前記第1の端部(74)と前記第2の端部(76)との間に画定され、前記第1のダンパピン(72’)の前記長さ(73)は、前記第2のダンパピン(72’’)の前記長さ(73)とは異なる、請求項2乃至3のいずれか1項に記載のターボ機械。
- 前記複数のダンパピン(72)の各々は、中空の断面プロファイルを有する、請求項1乃至4のいずれか1項に記載のターボ機械。
- 前記ダンパスタック(70)は、複数のダンパスタック(70)であり、前記複数のダンパスタック(70)の各々は、前記減衰通路(60)内に配置される、請求項1乃至5のいずれか1項に記載のターボ機械。
- 前記複数のダンパスタック(70)の隣接するダンパスタック(70)間の前記減衰通路(60)内に配置された静的インサート(64)をさらに備える、請求項6に記載のターボ機械。
- 前記減衰通路(60)は、前記翼形部(36)の一部のみを通って半径方向に延びる、請求項1乃至7のいずれか1項に記載のターボ機械。
- 前記翼形部(36)は、基部(44)と先端(46)との間に半径方向に延び、前記減衰通路(60)は、前記先端(46)を通して画定され、プラグ(62)は、前記先端(46)における前記減衰通路(60)内に配置される、請求項1乃至8のいずれか1項に記載のターボ機械。
- 前記複数のロータブレード(30)は、前記タービンセクション(18)内に設けられる、請求項1乃至9のいずれか1項に記載のターボ機械。
- 前記ターボ機械は、ガスタービン(10)である、請求項1乃至10のいずれか1項に記載のターボ機械。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/708,999 US11187089B2 (en) | 2019-12-10 | 2019-12-10 | Damper stacks for turbomachine rotor blades |
US16/708,999 | 2019-12-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2021092222A true JP2021092222A (ja) | 2021-06-17 |
Family
ID=73597845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020194371A Pending JP2021092222A (ja) | 2019-12-10 | 2020-11-24 | ターボ機械ロータブレード用のダンパスタック |
Country Status (4)
Country | Link |
---|---|
US (1) | US11187089B2 (ja) |
EP (1) | EP3835548B1 (ja) |
JP (1) | JP2021092222A (ja) |
CN (1) | CN112943376A (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11519276B1 (en) | 2022-01-12 | 2022-12-06 | General Electric Company | Vibration damping system for turbine blade or nozzle, retention system therefor, and method of assembly |
US11572791B1 (en) | 2022-01-12 | 2023-02-07 | General Electric Company | Vibration damping system for turbine nozzle or blade using damper pins with wire mesh members 1HEREON |
US11634991B1 (en) | 2022-01-12 | 2023-04-25 | General Electric Company | Vibration damping system for turbine nozzle or blade using elongated body and wire mesh member |
US20240035387A1 (en) * | 2022-07-27 | 2024-02-01 | General Electric Company | Vibration damping system for turbine nozzle or blade using stacked plate members |
US11976565B2 (en) | 2022-07-27 | 2024-05-07 | Ge Infrastructure Technology Llc | Nested damper pin and vibration dampening system for turbine nozzle or blade |
US12006831B1 (en) | 2023-06-29 | 2024-06-11 | Ge Infrastructure Technology Llc | Damper element with spring-suspended bearing member for vibration dampening system for turbine blade |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR981599A (fr) | 1948-12-31 | 1951-05-28 | Dispositif amortisseur de vibrations | |
US2999669A (en) | 1958-11-21 | 1961-09-12 | Westinghouse Electric Corp | Damping apparatus |
US5820343A (en) * | 1995-07-31 | 1998-10-13 | United Technologies Corporation | Airfoil vibration damping device |
US7121801B2 (en) * | 2004-02-13 | 2006-10-17 | United Technologies Corporation | Cooled rotor blade with vibration damping device |
US7762780B2 (en) * | 2007-01-25 | 2010-07-27 | Siemens Energy, Inc. | Blade assembly in a combustion turbo-machine providing reduced concentration of mechanical stress and a seal between adjacent assemblies |
US8267662B2 (en) | 2007-12-13 | 2012-09-18 | General Electric Company | Monolithic and bi-metallic turbine blade dampers and method of manufacture |
US8066479B2 (en) * | 2010-04-05 | 2011-11-29 | Pratt & Whitney Rocketdyne, Inc. | Non-integral platform and damper for an airfoil |
US8672626B2 (en) * | 2010-04-21 | 2014-03-18 | United Technologies Corporation | Engine assembled seal |
US8876478B2 (en) * | 2010-11-17 | 2014-11-04 | General Electric Company | Turbine blade combined damper and sealing pin and related method |
US9175570B2 (en) * | 2012-04-24 | 2015-11-03 | United Technologies Corporation | Airfoil including member connected by articulated joint |
US9309782B2 (en) * | 2012-09-14 | 2016-04-12 | General Electric Company | Flat bottom damper pin for turbine blades |
US9151165B2 (en) * | 2012-10-22 | 2015-10-06 | United Technologies Corporation | Reversible blade damper |
JP5705810B2 (ja) | 2012-10-26 | 2015-04-22 | 三菱重工業株式会社 | 塔状構造物、及び、塔状構造物の施工方法 |
US9194238B2 (en) * | 2012-11-28 | 2015-11-24 | General Electric Company | System for damping vibrations in a turbine |
WO2014198277A1 (en) | 2013-06-11 | 2014-12-18 | Vestas Wind Systems A/S | Wind turbine tower having a damper |
EP3091181A1 (de) | 2015-05-05 | 2016-11-09 | MTU Aero Engines GmbH | Schaufel für eine turbomaschine und zugehöriges herstellungsverfahren |
US10443408B2 (en) * | 2015-09-03 | 2019-10-15 | General Electric Company | Damper pin for a turbine blade |
US10385701B2 (en) * | 2015-09-03 | 2019-08-20 | General Electric Company | Damper pin for a turbine blade |
US20170067347A1 (en) * | 2015-09-03 | 2017-03-09 | General Electric Company | Slotted damper pin for a turbine blade |
US10767504B2 (en) * | 2016-01-12 | 2020-09-08 | Siemens Aktiengesellschaft | Flexible damper for turbine blades |
JP6802729B2 (ja) | 2017-02-22 | 2020-12-16 | 三菱パワー株式会社 | 回転機械の翼のダンパ装置及び回転機械 |
-
2019
- 2019-12-10 US US16/708,999 patent/US11187089B2/en active Active
-
2020
- 2020-11-24 JP JP2020194371A patent/JP2021092222A/ja active Pending
- 2020-11-24 EP EP20209646.7A patent/EP3835548B1/en active Active
- 2020-12-03 CN CN202011397049.7A patent/CN112943376A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20210172325A1 (en) | 2021-06-10 |
EP3835548B1 (en) | 2023-05-10 |
US11187089B2 (en) | 2021-11-30 |
EP3835548A1 (en) | 2021-06-16 |
CN112943376A (zh) | 2021-06-11 |
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