JP2021099094A - 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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- JP2021099094A JP2021099094A JP2020194887A JP2020194887A JP2021099094A JP 2021099094 A JP2021099094 A JP 2021099094A JP 2020194887 A JP2020194887 A JP 2020194887A JP 2020194887 A JP2020194887 A JP 2020194887A JP 2021099094 A JP2021099094 A JP 2021099094A
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- Prior art keywords
- damper
- pin
- pins
- rotor blades
- stack
- 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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- 239000007789 gas Substances 0.000 description 15
- 239000000567 combustion gas Substances 0.000 description 12
- 238000013016 damping Methods 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 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
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000013011 mating Effects 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
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
- F01D5/14—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
- 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
- F01D5/26—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
- 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
- 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
- F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
-
- 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
- F01D25/06—Antivibration arrangements for preventing blade vibration
-
- 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)
- Structures Of Non-Positive Displacement Pumps (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
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
28 ロータディスク
30 ロータブレード
30’ ロータブレード
30’’ ロータブレード
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
52 前縁面
54 後縁面
56 正圧側スラッシュ面
58 負圧側スラッシュ面
60 溝
62 肩部スロット部分
64 支持面
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
80 ワイヤ
82 エンドピン
82’ 第1のエンドピン
82’’ 第2のエンドピン
84 切り欠き部分
86 肩部
88 支持面
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、
前記本体を囲むプラットフォーム(42)であって、スラッシュ面(56、58)を備えるプラットフォーム(42)、ならびに
前記スラッシュ面(56、58)に配置され、概して軸方向に沿って延びるダンパスタック(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、隣り合うダンパピン(72)と接触するダンパスタック(70)
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。
- 前記ダンパスタック(70)は、前記複数のダンパピン(72)の各々を通って延びるワイヤ(80)をさらに備える、請求項1乃至4のいずれか1項に記載のターボ機械。
- 溝(60)は、前記スラッシュ面(56、58)に画定され、前記ダンパスタック(70)は、前記溝(60)内に部分的に配置される、請求項1乃至5のいずれか1項に記載のターボ機械。
- 前記複数のダンパピン(72)は、第1のエンドピン(82’)と、第2のエンドピン(82’’)とを備え、前記第1のエンドピン(82’)は、前記軸方向に沿って前記第2のエンドピン(82’’)から隔置され、前記第1のエンドピン(82’)および前記第2のエンドピン(82’)は各々、切り欠き部分(84)によって画定された肩部(86)を備える、請求項1乃至6のいずれか1項に記載のターボ機械。
- 前記肩部(86)の各々は、平坦な支持面(64)を備える、請求項7に記載のターボ機械。
- 溝(60)は、前記スラッシュ面に画定され、前記ダンパスタック(70)は、前記溝(60)内に部分的に配置され、前記肩部(86)の各々は、前記溝(60)の肩部スロット部分(62)内に配置される、請求項7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)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 |
---|---|---|---|
US16/709,050 | 2019-12-10 | ||
US16/709,050 US11248475B2 (en) | 2019-12-10 | 2019-12-10 | Damper stacks for turbomachine rotor blades |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2021099094A true JP2021099094A (ja) | 2021-07-01 |
Family
ID=73597847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020194887A Pending JP2021099094A (ja) | 2019-12-10 | 2020-11-25 | 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) | US11248475B2 (ja) |
EP (1) | EP3835550B1 (ja) |
JP (1) | JP2021099094A (ja) |
CN (1) | CN112943377A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2023093088A (ja) * | 2021-12-22 | 2023-07-04 | 三菱重工業株式会社 | 回転機械 |
CN114542522A (zh) * | 2022-02-21 | 2022-05-27 | 杭州汽轮机股份有限公司 | 一种压气机叶片阻尼器及装配方法 |
US11976565B2 (en) * | 2022-07-27 | 2024-05-07 | Ge Infrastructure Technology Llc | Nested damper pin and vibration dampening system for turbine nozzle or blade |
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-
2019
- 2019-12-10 US US16/709,050 patent/US11248475B2/en active Active
-
2020
- 2020-11-24 EP EP20209648.3A patent/EP3835550B1/en active Active
- 2020-11-25 JP JP2020194887A patent/JP2021099094A/ja active Pending
- 2020-12-03 CN CN202011397101.9A patent/CN112943377A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US11248475B2 (en) | 2022-02-15 |
EP3835550A1 (en) | 2021-06-16 |
US20210172326A1 (en) | 2021-06-10 |
EP3835550B1 (en) | 2023-05-10 |
CN112943377A (zh) | 2021-06-11 |
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