JP4806075B2 - 翼配置構造 - Google Patents
翼配置構造 Download PDFInfo
- Publication number
- JP4806075B2 JP4806075B2 JP2009537583A JP2009537583A JP4806075B2 JP 4806075 B2 JP4806075 B2 JP 4806075B2 JP 2009537583 A JP2009537583 A JP 2009537583A JP 2009537583 A JP2009537583 A JP 2009537583A JP 4806075 B2 JP4806075 B2 JP 4806075B2
- Authority
- JP
- Japan
- Prior art keywords
- damping elements
- contact
- damping
- wing
- rotor
- 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.)
- Expired - Fee Related
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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
- 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
- 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
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/50—Vibration damping features
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Fluid-Damping Devices (AREA)
- Power Steering Mechanism (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Description
5 減衰要素
7 減衰要素
17 翼
Claims (7)
- ロータとこのロータの外周に翼輪の形に配置された複数の翼(17)とを備え、ロータの円周方向に互いに隣り合う翼(17)間に少なくとも2個の減衰要素(5、7)が相前後して配置され、ロータ軸線を中心としたロータの回転時に半径方向に作用する遠心力によって、隣り合う減衰要素(5、7)が相互に接触し、両減衰要素(5、7)の一方の減衰要素(5)が隣り合う翼の一方の翼(17)に接触し、両減衰要素(5、7)の他方の減衰要素(7)が隣り合う翼の他方の翼(17)に接触する、翼配置構造(1)であって、
前記3つの接触箇所のうちの2つが平面接触にされ、3つの接触箇所のうちの1つが線接触にされており、前記複数の減衰要素(5、7)が、それらの減衰要素間の接触が平面接触であり、2個の減衰要素(5、7)の一方の減衰要素(5)と一方の翼(17)との接触が平面接触であり、2個の減衰要素(5、7)の他方の減衰要素(7)と他方の翼(17)との接触が線接触であるように形成され、円周方向に相前後して配置されていることを特徴とする翼配置構造。 - 複数の減衰要素(5、7)の幾何学形状が異なっていることを特徴とする請求項1に記載の翼配置構造。
- 複数の減衰要素(5、7)の質量が異なっていることを特徴とする請求項1又は2に記載の翼配置構造。
- 複数の減衰要素(5、7)が棒状に形成されていることを特徴とする請求項1ないし3のいずれか1つに記載の翼配置構造。
- 複数の減衰要素(5、7)が棒状に形成され、その1つの減衰要素(5)がくさび形断面を有し、他の1つの減衰要素(7)が四分円形断面を有していることを特徴とする請求項1ないし4いずれか1つに記載の翼配置構造。
- ロータの円周方向に3個の減衰要素が相前後して配置されていることを特徴とする請求項1ないし5のいずれか1つに記載の翼配置構造。
- 減衰要素(5、7)が鋼あるいはセラミックスで作られていることを特徴とする請求項1ないし6のいずれか1つに記載の翼配置構造。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06024326.8 | 2006-11-23 | ||
EP06024326A EP1925781A1 (de) | 2006-11-23 | 2006-11-23 | Schaufelanordnung |
PCT/EP2007/061469 WO2008061856A1 (de) | 2006-11-23 | 2007-10-25 | Schaufelanordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010510436A JP2010510436A (ja) | 2010-04-02 |
JP4806075B2 true JP4806075B2 (ja) | 2011-11-02 |
Family
ID=37888032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009537583A Expired - Fee Related JP4806075B2 (ja) | 2006-11-23 | 2007-10-25 | 翼配置構造 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8167563B2 (ja) |
EP (2) | EP1925781A1 (ja) |
JP (1) | JP4806075B2 (ja) |
CN (1) | CN101542073B (ja) |
AT (1) | ATE469288T1 (ja) |
DE (1) | DE502007003972D1 (ja) |
ES (1) | ES2345686T3 (ja) |
RU (1) | RU2417323C2 (ja) |
WO (1) | WO2008061856A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2418356A1 (de) | 2010-08-10 | 2012-02-15 | Siemens Aktiengesellschaft | Dämpfungselement für ein Turbinenschaufelrad und entsprechend ausgebildete Turbinenschaufel |
EP2434098A1 (de) * | 2010-09-24 | 2012-03-28 | Siemens Aktiengesellschaft | Schaufelanordnung und zugehörige Gasturbine |
US9194238B2 (en) * | 2012-11-28 | 2015-11-24 | General Electric Company | System for damping vibrations in a turbine |
CN104594957B (zh) * | 2014-12-08 | 2016-06-15 | 东方电气集团东方汽轮机有限公司 | 汽轮机调节级动叶片的阻尼结构 |
EP3078808A1 (de) * | 2015-04-07 | 2016-10-12 | Siemens Aktiengesellschaft | Laufschaufelreihe für eine strömungsmaschine |
US10472975B2 (en) * | 2015-09-03 | 2019-11-12 | General Electric Company | Damper pin having elongated bodies for damping adjacent turbine blades |
US10662784B2 (en) * | 2016-11-28 | 2020-05-26 | Raytheon Technologies Corporation | Damper with varying thickness for a blade |
US10677073B2 (en) | 2017-01-03 | 2020-06-09 | Raytheon Technologies Corporation | Blade platform with damper restraint |
US10731479B2 (en) | 2017-01-03 | 2020-08-04 | Raytheon Technologies Corporation | Blade platform with damper restraint |
JP7039355B2 (ja) * | 2018-03-28 | 2022-03-22 | 三菱重工業株式会社 | 回転機械 |
WO2020239803A1 (fr) * | 2019-05-29 | 2020-12-03 | Safran Aircraft Engines | Ensemble pour turbomachine |
CN113803115B (zh) * | 2020-06-16 | 2024-04-05 | 中国航发商用航空发动机有限责任公司 | 涡轮叶片缘板阻尼器、涡轮叶片和航空发动机 |
US11391157B1 (en) | 2021-03-23 | 2022-07-19 | Pratt & Whitney Canada Corp. | Damped rotor assembly |
US11525464B2 (en) | 2021-03-23 | 2022-12-13 | Pratt & Whitney Canada Corp. | Rotor with centrifugally wedged damper |
JP2023093088A (ja) * | 2021-12-22 | 2023-07-04 | 三菱重工業株式会社 | 回転機械 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4580946A (en) * | 1984-11-26 | 1986-04-08 | General Electric Company | Fan blade platform seal |
US5143517A (en) * | 1990-08-08 | 1992-09-01 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation"S.N.E.M.C.A." | Turbofan with dynamic vibration damping |
US20010038793A1 (en) * | 2000-05-08 | 2001-11-08 | Herbert Brandl | Blade arrangement with damping elements |
JP2006125372A (ja) * | 2004-11-01 | 2006-05-18 | Mitsubishi Heavy Ind Ltd | 回転機械翼の防振構造および回転機械 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2310412A (en) * | 1941-03-08 | 1943-02-09 | Westinghouse Electric & Mfg Co | Vibration dampener |
US2942843A (en) * | 1956-06-15 | 1960-06-28 | Westinghouse Electric Corp | Blade vibration damping structure |
SU128868A1 (ru) | 1959-04-20 | 1959-11-30 | В.С. Осадченко | Демпфер сухого трени дл изменени собственной частоты колебаний бандажированных рабочих лопаток турбин |
SU1127979A1 (ru) * | 1983-02-23 | 1984-12-07 | Предприятие П/Я Р-6837 | Рабочее колесо турбомашины |
GB2223277B (en) * | 1988-09-30 | 1992-08-12 | Rolls Royce Plc | Aerofoil blade damping |
US5156528A (en) | 1991-04-19 | 1992-10-20 | General Electric Company | Vibration damping of gas turbine engine buckets |
FR2716502B1 (fr) * | 1994-02-23 | 1996-04-05 | Snecma | Garniture d'étanchéité entre des aubes et des plates-formes intermédiaires. |
GB9724731D0 (en) * | 1997-11-25 | 1998-01-21 | Rolls Royce Plc | Friction damper |
-
2006
- 2006-11-23 EP EP06024326A patent/EP1925781A1/de not_active Withdrawn
-
2007
- 2007-10-25 JP JP2009537583A patent/JP4806075B2/ja not_active Expired - Fee Related
- 2007-10-25 EP EP07821832A patent/EP2094946B1/de not_active Not-in-force
- 2007-10-25 CN CN2007800436875A patent/CN101542073B/zh not_active Expired - Fee Related
- 2007-10-25 US US12/515,845 patent/US8167563B2/en not_active Expired - Fee Related
- 2007-10-25 DE DE502007003972T patent/DE502007003972D1/de active Active
- 2007-10-25 RU RU2009123844/06A patent/RU2417323C2/ru not_active IP Right Cessation
- 2007-10-25 WO PCT/EP2007/061469 patent/WO2008061856A1/de active Application Filing
- 2007-10-25 AT AT07821832T patent/ATE469288T1/de active
- 2007-10-25 ES ES07821832T patent/ES2345686T3/es active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4580946A (en) * | 1984-11-26 | 1986-04-08 | General Electric Company | Fan blade platform seal |
US5143517A (en) * | 1990-08-08 | 1992-09-01 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation"S.N.E.M.C.A." | Turbofan with dynamic vibration damping |
US20010038793A1 (en) * | 2000-05-08 | 2001-11-08 | Herbert Brandl | Blade arrangement with damping elements |
JP2006125372A (ja) * | 2004-11-01 | 2006-05-18 | Mitsubishi Heavy Ind Ltd | 回転機械翼の防振構造および回転機械 |
Also Published As
Publication number | Publication date |
---|---|
US20100021302A1 (en) | 2010-01-28 |
CN101542073A (zh) | 2009-09-23 |
EP1925781A1 (de) | 2008-05-28 |
RU2009123844A (ru) | 2010-12-27 |
RU2417323C2 (ru) | 2011-04-27 |
EP2094946A1 (de) | 2009-09-02 |
ATE469288T1 (de) | 2010-06-15 |
US8167563B2 (en) | 2012-05-01 |
ES2345686T3 (es) | 2010-09-29 |
DE502007003972D1 (de) | 2010-07-08 |
EP2094946B1 (de) | 2010-05-26 |
WO2008061856A1 (de) | 2008-05-29 |
JP2010510436A (ja) | 2010-04-02 |
CN101542073B (zh) | 2013-02-13 |
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