JP6503698B2 - 軸流機械の翼 - Google Patents
軸流機械の翼 Download PDFInfo
- Publication number
- JP6503698B2 JP6503698B2 JP2014232452A JP2014232452A JP6503698B2 JP 6503698 B2 JP6503698 B2 JP 6503698B2 JP 2014232452 A JP2014232452 A JP 2014232452A JP 2014232452 A JP2014232452 A JP 2014232452A JP 6503698 B2 JP6503698 B2 JP 6503698B2
- Authority
- JP
- Japan
- Prior art keywords
- end wall
- blade
- wing
- axial flow
- primary vibration
- 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
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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
- 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
- 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
-
- 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- F01D5/26—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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—Blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
-
- 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
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/71—Shape curved
- F05D2250/711—Shape curved convex
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
3 コアカウル
7 ファンケース
10 翼
11 エンドウォール
11a 表面
11b 裏面
11c 縁部
12 翼本体
13 端部
14 部分
15 凸部
16 ファンディスク
17 動翼
19 動翼本体
21 プラットフォーム
23 ダブテイル
37 出口案内翼
39 案内翼本体
40 端部
41 プラットフォーム
42 シュラウド
F 腹部(自由端)
N 節部
Claims (9)
- 径方向に延伸する翼本体と、
前記径方向における前記翼本体の端部に設けられ、前記翼本体を支持し且つ前記翼本体が設置される流路の壁として板状に形成されるエンドウォールと、
前記エンドウォールの裏面から、前記翼本体と離れる方向に突出して形成される少なくとも1つの凸部と
を備え、
前記凸部は、前記エンドウォールの縁部が前記径方向における一次振動モードの自由端として振動するときに前記一次振動モードの節部が発生する前記エンドウォールの部分と一体的に形成され、前記部分の剛性を高めて、前記エンドウォールの前記一次振動モードの固有振動数を上昇させるように構成されていることを特徴する軸流機械の翼。 - 前記凸部は、前記エンドウォールの縁部において前記一次振動モードの腹部に相当する部分に向けて延伸していることを特徴とする請求項1に記載の軸流機械の翼。
- 前記凸部は、前記エンドウォールにおいて発生する複数の一次振動モードのそれぞれに対して個別に設けられていることを特徴とする請求項1または2に記載の軸流機械の翼。
- 前記一次振動モードの節部を発生させる部分は、前記エンドウォールにおいて前記翼本体の前記端部に接続する部分であることを特徴とする請求項1乃至3の何れか一項に記載の軸流機械の翼。
- 前記エンドウォールの上流側及び下流側に設けられるフランジを更に備えることを特徴とする請求項1乃至3の何れか一項に記載の軸流機械の翼。
- 前記エンドウォールは前記翼本体のプラットフォームとして形成され、
前記エンドウォールの前記裏面に設けられ、支持部材に嵌合する形状を含み、前記一次振動モードの節部を発生させる部分として機能するダブテイルを更に備えることを特徴とする請求項1乃至3の何れか一項に記載の軸流機械の翼。 - 前記エンドウォールと前記凸部は同一材料から形成されていることを特徴とする請求項1乃至6の何れか一項に記載の軸流機械の翼。
- 前記凸部は前記エンドウォールの縁部から離間していることを特徴とする請求項1乃至7の何れか一項に記載の軸流機械の翼。
- 前記エンドウォールは、前記翼本体に対して個別に設けられている請求項1乃至8の何れか一項に記載の軸流機械の翼。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014232452A JP6503698B2 (ja) | 2014-11-17 | 2014-11-17 | 軸流機械の翼 |
EP15860712.7A EP3156602B1 (en) | 2014-11-17 | 2015-07-30 | Airfoil for axial flow machine |
PCT/JP2015/071709 WO2016080025A1 (ja) | 2014-11-17 | 2015-07-30 | 軸流機械の翼 |
US15/395,044 US10465555B2 (en) | 2014-11-17 | 2016-12-30 | Airfoil for axial flow machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014232452A JP6503698B2 (ja) | 2014-11-17 | 2014-11-17 | 軸流機械の翼 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016094914A JP2016094914A (ja) | 2016-05-26 |
JP6503698B2 true JP6503698B2 (ja) | 2019-04-24 |
Family
ID=56013589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014232452A Active JP6503698B2 (ja) | 2014-11-17 | 2014-11-17 | 軸流機械の翼 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10465555B2 (ja) |
EP (1) | EP3156602B1 (ja) |
JP (1) | JP6503698B2 (ja) |
WO (1) | WO2016080025A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6503698B2 (ja) * | 2014-11-17 | 2019-04-24 | 株式会社Ihi | 軸流機械の翼 |
DE102019135338A1 (de) * | 2019-12-19 | 2021-06-24 | Rolls-Royce Deutschland Ltd & Co Kg | Vorrichtung eines Flugtriebwerkes mit einem radial äußeren Gehäusebereich und mit einem radial inneren Gehäuseteil |
DE102020215576A1 (de) * | 2020-12-09 | 2022-06-09 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsleitvorrichtung und ein Gasturbinentriebwerk |
Family Cites Families (21)
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JPH01139001U (ja) * | 1988-03-17 | 1989-09-22 | ||
JPH06193401A (ja) * | 1992-12-24 | 1994-07-12 | Hitachi Ltd | タービン翼車 |
JPH074203A (ja) * | 1993-06-21 | 1995-01-10 | Hitachi Ltd | タービン動翼 |
US5411370A (en) * | 1994-08-01 | 1995-05-02 | United Technologies Corporation | Vibration damping shroud for a turbomachine vane |
JPH0970860A (ja) | 1995-09-04 | 1997-03-18 | Asahi Chem Ind Co Ltd | 補強リブ付成形品及びその成形方法 |
US6102664A (en) * | 1995-12-14 | 2000-08-15 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Blading system and method for controlling structural vibrations |
US5947688A (en) * | 1997-12-22 | 1999-09-07 | General Electric Company | Frequency tuned hybrid blade |
JP2001027103A (ja) | 1999-07-14 | 2001-01-30 | Ishikawajima Harima Heavy Ind Co Ltd | ターボ機械の静翼構造 |
US6364616B1 (en) * | 2000-05-05 | 2002-04-02 | General Electric Company | Submerged rib hybrid blade |
US6779979B1 (en) * | 2003-04-23 | 2004-08-24 | General Electric Company | Methods and apparatus for structurally supporting airfoil tips |
US7121801B2 (en) * | 2004-02-13 | 2006-10-17 | United Technologies Corporation | Cooled rotor blade with vibration damping device |
US7252481B2 (en) | 2004-05-14 | 2007-08-07 | Pratt & Whitney Canada Corp. | Natural frequency tuning of gas turbine engine blades |
US20080072569A1 (en) | 2006-09-27 | 2008-03-27 | Thomas Ory Moniz | Guide vane and method of fabricating the same |
US8087881B1 (en) * | 2008-11-22 | 2012-01-03 | Florida Turbine Technologies, Inc. | Damped stator assembly |
JP5647426B2 (ja) * | 2010-03-17 | 2014-12-24 | ゼネラル・エレクトリック・カンパニイ | 構造出口案内翼のための方法及び装置 |
US8998575B2 (en) * | 2011-11-14 | 2015-04-07 | United Technologies Corporation | Structural stator airfoil |
US9470095B2 (en) * | 2012-04-24 | 2016-10-18 | United Technologies Corporation | Airfoil having internal lattice network |
US8915718B2 (en) * | 2012-04-24 | 2014-12-23 | United Technologies Corporation | Airfoil including damper member |
US9267380B2 (en) * | 2012-04-24 | 2016-02-23 | United Technologies Corporation | Airfoil including loose damper |
JP2014122584A (ja) | 2012-12-21 | 2014-07-03 | Mitsubishi Heavy Ind Ltd | 静翼及び回転機械 |
JP6503698B2 (ja) * | 2014-11-17 | 2019-04-24 | 株式会社Ihi | 軸流機械の翼 |
-
2014
- 2014-11-17 JP JP2014232452A patent/JP6503698B2/ja active Active
-
2015
- 2015-07-30 EP EP15860712.7A patent/EP3156602B1/en active Active
- 2015-07-30 WO PCT/JP2015/071709 patent/WO2016080025A1/ja active Application Filing
-
2016
- 2016-12-30 US US15/395,044 patent/US10465555B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3156602B1 (en) | 2019-09-25 |
EP3156602A4 (en) | 2018-02-21 |
EP3156602A1 (en) | 2017-04-19 |
JP2016094914A (ja) | 2016-05-26 |
US20170107849A1 (en) | 2017-04-20 |
WO2016080025A1 (ja) | 2016-05-26 |
US10465555B2 (en) | 2019-11-05 |
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