KR101338722B1 - 댐핑 장치 - Google Patents
댐핑 장치 Download PDFInfo
- Publication number
- KR101338722B1 KR101338722B1 KR1020070057258A KR20070057258A KR101338722B1 KR 101338722 B1 KR101338722 B1 KR 101338722B1 KR 1020070057258 A KR1020070057258 A KR 1020070057258A KR 20070057258 A KR20070057258 A KR 20070057258A KR 101338722 B1 KR101338722 B1 KR 101338722B1
- Authority
- KR
- South Korea
- Prior art keywords
- damper
- bucket
- 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.)
- Active
Links
- 238000013016 damping Methods 0.000 claims abstract description 30
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- 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
- F01D5/02—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
- 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
Description
Claims (9)
- 터빈 버킷용 댐핑 장치(100)에 있어서,댐퍼 포켓(200)과,상기 댐퍼 포켓(200) 내에 위치된 댐퍼 핀(230)을 포함하고,상기 댐퍼 핀(230)은 길이방향 축, 오프셋된 무게 중심(235), 선단 보스(240) 및 후단 보스(250)를 포함하고, 상기 후단 보스는 상기 길이방향 축을 가로지르는 보스 경사 표면(280)을 포함하며, 상기 댐퍼 포켓은 상기 보스 경사 표면 둘레에 배치된 포켓 경사 표면(210)을 포함하는댐핑 장치.
- 제 1 항에 있어서,버킷(105)이 볼록한 측면(150)을 포함하고, 그리고 상기 댐퍼 포켓(200)이 상기 볼록한 측면(150)상에 배치되는댐핑 장치.
- 제 1 항에 있어서,버킷(105)이 오목한 측면(155)을 포함하고, 상기 버킷(105)이 상기 오목한 측면(155)상에 하부 절단부(180)를 포함하는댐핑 장치.
- 제 3 항에 있어서,상기 하부 절단부(180)가 경사 표면(190)을 포함하는댐핑 장치.
- 제 3 항에 있어서,상기 댐퍼 핀(230)이 원심력을 받을 때 상기 댐퍼 포켓(200)과 하부 절단부(180) 양측에 접촉하는댐핑 장치.
- 삭제
- 제 1 항에 있어서,상기 선단 보스(240)가 접촉 프롱(260)을 포함하는댐핑 장치.
- 제 1 항에 있어서,상기 선단 보스(240)가 라운드진 크라운(rounded crown)(270)을 포함하는댐핑 장치.
- 제 1 항에 있어서,상기 후단 보스(250)가 돌출부(290)를 포함하는댐핑 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/423,795 | 2006-06-13 | ||
US11/423,795 US7534090B2 (en) | 2006-06-13 | 2006-06-13 | Enhanced bucket vibration system |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070118970A KR20070118970A (ko) | 2007-12-18 |
KR101338722B1 true KR101338722B1 (ko) | 2013-12-06 |
Family
ID=38461968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070057258A Active KR101338722B1 (ko) | 2006-06-13 | 2007-06-12 | 댐핑 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7534090B2 (ko) |
EP (1) | EP1867836B1 (ko) |
JP (1) | JP5064121B2 (ko) |
KR (1) | KR101338722B1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200034441A (ko) | 2018-09-21 | 2020-03-31 | 두산중공업 주식회사 | 댐핑 장치를 구비하는 터빈 블레이드 |
KR20200034442A (ko) | 2018-09-21 | 2020-03-31 | 두산중공업 주식회사 | 원심력에 의한 복원력을 가진 댐퍼 핀 |
KR102248037B1 (ko) | 2019-11-27 | 2021-05-04 | 두산중공업 주식회사 | 마그네틱 댐퍼를 구비하는 터빈 블레이드 |
KR20220041372A (ko) | 2020-09-25 | 2022-04-01 | 두산중공업 주식회사 | 향상된 댐핑 성능을 갖는 터빈 블레이드 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006041322A1 (de) * | 2006-09-01 | 2008-04-24 | Rolls-Royce Deutschland Ltd & Co Kg | Dämpfungs- und Dichtungssystem für Turbinenschaufeln |
KR101120578B1 (ko) * | 2007-09-11 | 2012-03-09 | 가부시키가이샤 히타치세이사쿠쇼 | 증기터빈 동익 조립체 |
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 |
US9022727B2 (en) * | 2010-11-15 | 2015-05-05 | 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 |
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 |
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 |
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 |
JP7039355B2 (ja) * | 2018-03-28 | 2022-03-22 | 三菱重工業株式会社 | 回転機械 |
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 |
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5478207A (en) * | 1994-09-19 | 1995-12-26 | General Electric Company | Stable blade vibration damper for gas turbine engine |
EP1154125A2 (de) * | 2000-05-08 | 2001-11-14 | ALSTOM Power N.V. | Schaufelanordnung mit Dämpfungselementen |
KR20040097938A (ko) * | 2003-05-13 | 2004-11-18 | 제너럴 일렉트릭 캄파니 | 터빈 휠용 버킷의 조립체 |
Family Cites Families (10)
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US4101245A (en) * | 1976-12-27 | 1978-07-18 | United Technologies Corporation | Interblade damper and seal for turbomachinery rotor |
JPS58176402A (ja) * | 1982-04-10 | 1983-10-15 | Toshiba Corp | タ−ビン動翼の制振装置 |
US4872812A (en) * | 1987-08-05 | 1989-10-10 | General Electric Company | Turbine blade plateform sealing and vibration damping apparatus |
US4936749A (en) * | 1988-12-21 | 1990-06-26 | General Electric Company | Blade-to-blade vibration damper |
US5156528A (en) * | 1991-04-19 | 1992-10-20 | General Electric Company | Vibration damping of gas turbine engine buckets |
US5281097A (en) * | 1992-11-20 | 1994-01-25 | General Electric Company | Thermal control damper for turbine rotors |
US6354803B1 (en) * | 2000-06-30 | 2002-03-12 | General Electric Company | Blade damper and method for making same |
US6390775B1 (en) * | 2000-12-27 | 2002-05-21 | General Electric Company | Gas turbine blade with platform undercut |
US6776583B1 (en) * | 2003-02-27 | 2004-08-17 | General Electric Company | Turbine bucket damper pin |
US7322797B2 (en) * | 2005-12-08 | 2008-01-29 | General Electric Company | Damper cooled turbine blade |
-
2006
- 2006-06-13 US US11/423,795 patent/US7534090B2/en active Active
-
2007
- 2007-06-12 KR KR1020070057258A patent/KR101338722B1/ko active Active
- 2007-06-12 JP JP2007155101A patent/JP5064121B2/ja active Active
- 2007-06-12 EP EP07110115.8A patent/EP1867836B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US5478207A (en) * | 1994-09-19 | 1995-12-26 | General Electric Company | Stable blade vibration damper for gas turbine engine |
EP1154125A2 (de) * | 2000-05-08 | 2001-11-14 | ALSTOM Power N.V. | Schaufelanordnung mit Dämpfungselementen |
KR20040097938A (ko) * | 2003-05-13 | 2004-11-18 | 제너럴 일렉트릭 캄파니 | 터빈 휠용 버킷의 조립체 |
US6851932B2 (en) | 2003-05-13 | 2005-02-08 | General Electric Company | Vibration damper assembly for the buckets of a turbine |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200034441A (ko) | 2018-09-21 | 2020-03-31 | 두산중공업 주식회사 | 댐핑 장치를 구비하는 터빈 블레이드 |
KR20200034442A (ko) | 2018-09-21 | 2020-03-31 | 두산중공업 주식회사 | 원심력에 의한 복원력을 가진 댐퍼 핀 |
KR102248037B1 (ko) | 2019-11-27 | 2021-05-04 | 두산중공업 주식회사 | 마그네틱 댐퍼를 구비하는 터빈 블레이드 |
KR20220041372A (ko) | 2020-09-25 | 2022-04-01 | 두산중공업 주식회사 | 향상된 댐핑 성능을 갖는 터빈 블레이드 |
Also Published As
Publication number | Publication date |
---|---|
KR20070118970A (ko) | 2007-12-18 |
US20070286732A1 (en) | 2007-12-13 |
EP1867836A2 (en) | 2007-12-19 |
JP5064121B2 (ja) | 2012-10-31 |
JP2007332965A (ja) | 2007-12-27 |
EP1867836B1 (en) | 2014-04-30 |
US7534090B2 (en) | 2009-05-19 |
EP1867836A3 (en) | 2012-11-21 |
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