JP2007332965A - 改良されたバケット振動減衰装置 - Google Patents
改良されたバケット振動減衰装置 Download PDFInfo
- Publication number
- JP2007332965A JP2007332965A JP2007155101A JP2007155101A JP2007332965A JP 2007332965 A JP2007332965 A JP 2007332965A JP 2007155101 A JP2007155101 A JP 2007155101A JP 2007155101 A JP2007155101 A JP 2007155101A JP 2007332965 A JP2007332965 A JP 2007332965A
- Authority
- JP
- Japan
- Prior art keywords
- bucket
- damper
- damping device
- boss
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 30
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000001052 transient effect 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
- F01D5/22—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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/10—Anti- vibration means
-
- 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
- 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
-
- 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
-
- 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
- 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
- F05D2260/00—Function
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】 タービンバケット(105)の改善された減衰装置(100)。減衰装置(100)は、ダンパポケット(200)と、ダンパポケット(230)の内部に配置されオフセット重心(235)を有するダンパピン(230)とを含む。前記バケット(105)は凸側(150)を具備し、前記ダンパポケット(200)は前記凸側(150)に配置されることができる。バケット(105)は凹側(155)を具備し、前記バケット(105)は前記凹側(155)にアンダーカット(180)を具備してもよい。
【選択図】 図2
Description
Claims (9)
- ダンパポケット(200)と;
前記ダンパポケット(200)の内部に配置されたダンパピン(230)とを具備し、
前記ダンパピン(230)はオフセット重心(235)を有するタービンバケットの減衰装置(100)。 - 前記バケット(105)は凸側(150)を具備し、前記ダンパポケット(200)は前記凸側(150)に配置される請求項1記載の減衰装置(100)。
- 前記バケット(105)は凹側(155)を具備し、前記バケット(105)は前記凹側(155)にアンダーカット(180)を具備する請求項1記載の減衰装置(100)。
- 前記アンダーカット(180)は傾斜面(190)を具備する請求項3記載の減衰装置(100)。
- 遠心力を受けたとき、前記ダンパピン(230)は、前記ダンパポケット(200)及び前記アンダーカット(180)の双方と接触する請求項3記載の減衰装置(100)。
- 前記ダンパピン(230)は前ボス(240)及び後ボス(250)を具備する請求項1記載の減衰装置(100)。
- 前記前ボス(240)は接触形状(260)を具備する請求項6記載の減衰装置(100)。
- 前記前ボス(240)は丸形クラウン(270)を具備する請求項6記載の減衰装置(100)。
- 前記後ボス(250)はボス傾斜面(280)及び突起部(290)を具備する請求項6記載の減衰装置(100)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/423,795 US7534090B2 (en) | 2006-06-13 | 2006-06-13 | Enhanced bucket vibration system |
US11/423,795 | 2006-06-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007332965A true JP2007332965A (ja) | 2007-12-27 |
JP5064121B2 JP5064121B2 (ja) | 2012-10-31 |
Family
ID=38461968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007155101A Active JP5064121B2 (ja) | 2006-06-13 | 2007-06-12 | 改良されたバケット振動減衰装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7534090B2 (ja) |
EP (1) | EP1867836B1 (ja) |
JP (1) | JP5064121B2 (ja) |
KR (1) | KR101338722B1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012140971A (ja) * | 2007-09-11 | 2012-07-26 | Hitachi Ltd | タービン動翼組立体 |
JP2019173653A (ja) * | 2018-03-28 | 2019-10-10 | 三菱重工業株式会社 | 回転機械 |
JP2021080866A (ja) * | 2019-11-18 | 2021-05-27 | 三菱重工業株式会社 | 回転機械用の振動抑制装置及び回転機械 |
Families Citing this family (29)
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---|---|---|---|---|
DE102006041322A1 (de) * | 2006-09-01 | 2008-04-24 | Rolls-Royce Deutschland Ltd & Co Kg | Dämpfungs- und Dichtungssystem für Turbinenschaufeln |
GB0816467D0 (en) | 2008-09-10 | 2008-10-15 | Rolls Royce Plc | Turbine blade damper arrangement |
US20110081245A1 (en) * | 2009-10-07 | 2011-04-07 | General Electric Company | Radial seal pin |
US8790086B2 (en) | 2010-11-11 | 2014-07-29 | General Electric Company | Turbine blade assembly for retaining sealing and dampening elements |
US9133855B2 (en) * | 2010-11-15 | 2015-09-15 | Mtu Aero Engines Gmbh | Rotor for a turbo machine |
US8876478B2 (en) * | 2010-11-17 | 2014-11-04 | General Electric Company | Turbine blade combined damper and sealing pin and related method |
DE102010052965B4 (de) * | 2010-11-30 | 2014-06-12 | MTU Aero Engines AG | Dämpfungsmittel zum Dämpfen einer Schaufelbewegung einer Turbomaschine |
US9151170B2 (en) * | 2011-06-28 | 2015-10-06 | United Technologies Corporation | Damper for an integrally bladed rotor |
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 |
US10641109B2 (en) * | 2013-03-13 | 2020-05-05 | United Technologies Corporation | Mass offset for damping performance |
US9797270B2 (en) * | 2013-12-23 | 2017-10-24 | Rolls-Royce North American Technologies Inc. | Recessable damper for turbine |
DE102015112144A1 (de) * | 2015-07-24 | 2017-02-09 | Rolls-Royce Deutschland Ltd & Co Kg | Rotorvorrichtung eines Flugtriebwerks mit einer Dämpfungseinrichtung zwischen Laufschaufeln |
US10584597B2 (en) | 2015-09-03 | 2020-03-10 | General Electric Company | Variable cross-section damper pin for a turbine blade |
US10472975B2 (en) | 2015-09-03 | 2019-11-12 | General Electric Company | Damper pin having elongated bodies for damping adjacent turbine blades |
US10385701B2 (en) | 2015-09-03 | 2019-08-20 | General Electric Company | Damper pin for a turbine blade |
US10443408B2 (en) | 2015-09-03 | 2019-10-15 | General Electric Company | Damper pin for a turbine blade |
US10316673B2 (en) | 2016-03-24 | 2019-06-11 | General Electric Company | CMC turbine blade platform damper |
US10662784B2 (en) | 2016-11-28 | 2020-05-26 | Raytheon Technologies Corporation | Damper with varying thickness for a blade |
US10731479B2 (en) | 2017-01-03 | 2020-08-04 | Raytheon Technologies Corporation | Blade platform with damper restraint |
US10677073B2 (en) | 2017-01-03 | 2020-06-09 | Raytheon Technologies Corporation | Blade platform with damper restraint |
EP3438410B1 (en) | 2017-08-01 | 2021-09-29 | General Electric Company | Sealing system for a rotary machine |
JP6991912B2 (ja) * | 2018-03-28 | 2022-01-13 | 三菱重工業株式会社 | 回転機械 |
KR102111662B1 (ko) * | 2018-09-21 | 2020-05-15 | 두산중공업 주식회사 | 댐핑 장치를 구비하는 터빈 블레이드 |
KR102158185B1 (ko) * | 2018-09-21 | 2020-09-22 | 두산중공업 주식회사 | 원심력에 의한 복원력을 가진 댐퍼 핀 |
US10975714B2 (en) * | 2018-11-22 | 2021-04-13 | Pratt & Whitney Canada Corp. | Rotor assembly with blade sealing tab |
DE102018221533A1 (de) * | 2018-12-12 | 2020-06-18 | MTU Aero Engines AG | Turbomaschinen Schaufelanordnung |
KR102248037B1 (ko) | 2019-11-27 | 2021-05-04 | 두산중공업 주식회사 | 마그네틱 댐퍼를 구비하는 터빈 블레이드 |
KR102468297B1 (ko) | 2020-09-25 | 2022-11-16 | 두산에너빌리티 주식회사 | 향상된 댐핑 성능을 갖는 터빈 블레이드 |
Citations (5)
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JPS58176402A (ja) * | 1982-04-10 | 1983-10-15 | Toshiba Corp | タ−ビン動翼の制振装置 |
JPH05118202A (ja) * | 1991-04-19 | 1993-05-14 | General Electric Co <Ge> | ガスタービンエンジンバケツトの振動減衰 |
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US20010038793A1 (en) * | 2000-05-08 | 2001-11-08 | Herbert Brandl | Blade arrangement with damping elements |
JP2004340144A (ja) * | 2003-05-13 | 2004-12-02 | General Electric Co <Ge> | タービンのバケット用振動ダンパ組立体 |
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2006
- 2006-06-13 US US11/423,795 patent/US7534090B2/en active Active
-
2007
- 2007-06-12 JP JP2007155101A patent/JP5064121B2/ja active Active
- 2007-06-12 EP EP07110115.8A patent/EP1867836B1/en active Active
- 2007-06-12 KR KR1020070057258A patent/KR101338722B1/ko active IP Right Grant
Patent Citations (5)
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JPS58176402A (ja) * | 1982-04-10 | 1983-10-15 | Toshiba Corp | タ−ビン動翼の制振装置 |
JP2907880B2 (ja) * | 1988-12-21 | 1999-06-21 | ゼネラル・エレクトリック・カンパニイ | ロータ・ブレード |
JPH05118202A (ja) * | 1991-04-19 | 1993-05-14 | General Electric Co <Ge> | ガスタービンエンジンバケツトの振動減衰 |
US20010038793A1 (en) * | 2000-05-08 | 2001-11-08 | Herbert Brandl | Blade arrangement with damping elements |
JP2004340144A (ja) * | 2003-05-13 | 2004-12-02 | General Electric Co <Ge> | タービンのバケット用振動ダンパ組立体 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012140971A (ja) * | 2007-09-11 | 2012-07-26 | Hitachi Ltd | タービン動翼組立体 |
JP2019173653A (ja) * | 2018-03-28 | 2019-10-10 | 三菱重工業株式会社 | 回転機械 |
JP7039355B2 (ja) | 2018-03-28 | 2022-03-22 | 三菱重工業株式会社 | 回転機械 |
JP2021080866A (ja) * | 2019-11-18 | 2021-05-27 | 三菱重工業株式会社 | 回転機械用の振動抑制装置及び回転機械 |
JP7272935B2 (ja) | 2019-11-18 | 2023-05-12 | 三菱重工業株式会社 | 回転機械用の振動抑制装置及び回転機械 |
Also Published As
Publication number | Publication date |
---|---|
EP1867836B1 (en) | 2014-04-30 |
KR20070118970A (ko) | 2007-12-18 |
EP1867836A3 (en) | 2012-11-21 |
JP5064121B2 (ja) | 2012-10-31 |
KR101338722B1 (ko) | 2013-12-06 |
EP1867836A2 (en) | 2007-12-19 |
US20070286732A1 (en) | 2007-12-13 |
US7534090B2 (en) | 2009-05-19 |
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