JP6921804B2 - ターボ機械ロータブレード - Google Patents
ターボ機械ロータブレード Download PDFInfo
- Publication number
- JP6921804B2 JP6921804B2 JP2018506937A JP2018506937A JP6921804B2 JP 6921804 B2 JP6921804 B2 JP 6921804B2 JP 2018506937 A JP2018506937 A JP 2018506937A JP 2018506937 A JP2018506937 A JP 2018506937A JP 6921804 B2 JP6921804 B2 JP 6921804B2
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- JP
- Japan
- Prior art keywords
- blade
- segment
- rotor
- tangential
- height
- 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.)
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Classifications
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- 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
- F04D29/38—Blades
- F04D29/384—Blades characterised by 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- 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
-
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
Claims (13)
- ブレード高さ(h)によって分離されたブレード根元(113)およびブレード先端(114)と、負の接線勾配を呈する少なくとも1つの中間セグメント(112a)と、中間セグメント(112a)とブレード先端(114)との間に位置して正の接線勾配を呈する遠位セグメント(112b)と、を備えるターボ機械ロータブレードであって、
遠位セグメント(112b)は前記ブレード高さ(h)の最大30%にわたって延在し、
ブレード(110)の各接線方向断面(115)の重心を通る線の径方向平面上への投影は、ブレードの中間セグメント(112a)に、ブレード高さ(h)の少なくとも40%にわたって延在する略直線セグメント(122a)を有する、
ターボ機械ロータブレード。 - 前記遠位セグメント(112b)が前記ブレード先端(114)に直接隣接しており、
前記遠位セグメント(112b)は前記中間セグメント(112a)に直接隣接している、
請求項1に記載のターボ機械ロータブレード。 - 前記遠位セグメント(112b)が、ブレード高さ(h)の最大25%にわたって延在する、請求項1または2に記載のターボ機械ロータブレード。
- 前記遠位セグメント(112b)が、ブレード高さ(h)の少なくとも5%にわたって延在する、請求項1から3のいずれか一項に記載のターボ機械ロータブレード。
- 前記略直線セグメント(122a)が、ブレード根元(113)からブレード高さ(h)の少なくとも50%に位置するレベルまで延在する、請求項1から4のいずれか一項に記載のターボ機械ロータブレード。
- 前記略直線セグメント(122a)が、ブレード根元(113)からブレード高さ(h)の最大30%に位置するレベルから延在する、請求項1から5のいずれか一項に記載のターボ機械ロータブレード。
- ブレード(110)の各接線方向断面(115)の重心を通る線の径方向平面上への投影が、ブレードの遠位セグメント(112b)において、第二のセグメント(122b)を有する、請求項1から6のいずれか一項に記載のターボ機械ロータブレード。
- ブレード(110)の各接線方向断面(115)の重心を通る線の径方向平面上への投影が、ブレード高さ(h)の20%未満において90°超を通って曲がる、請求項7に記載のターボ機械ロータブレード。
- 第一にブレード先端に位置するブレード断面の重心の接線座標(yG)と、第二に中間セグメント(212a)と遠位セグメント(212b)との間の界面に位置するブレード断面の重心の接線座標(yG)と、の間の差が、第一にブレード根元に位置するブレード断面の重心の接線座標(yG)と、第二に中間セグメント(212a)と遠位セグメント(212b)との間の界面に位置するブレード断面の重心の接線座標(yG)と、の間の差の、100%から150%の範囲内にある、請求項1から8のいずれか一項に記載のターボ機械ロータブレード。
- ブレード(112)の厚さがすべての点においてブレード高さ(h)の8%未満である、請求項1から9のいずれか一項に記載のターボ機械ロータブレード。
- 請求項1から10のいずれか一項に記載の複数のターボ機械ロータブレード(112)を備える一体型ブレードディスク。
- 請求項1から10のいずれか一項に記載の複数のターボ機械ロータブレード(112)を有するロータ。
- 請求項11に記載の一体型ブレードディスクまたは請求項12に記載のロータを含む、ターボ機械。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1557660 | 2015-08-11 | ||
FR1557660A FR3040071B1 (fr) | 2015-08-11 | 2015-08-11 | Aube de rotor de turbomachine |
PCT/FR2016/052043 WO2017025684A1 (fr) | 2015-08-11 | 2016-08-05 | Aube de rotor de turbomachine |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018527504A JP2018527504A (ja) | 2018-09-20 |
JP6921804B2 true JP6921804B2 (ja) | 2021-08-18 |
Family
ID=54937234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018506937A Active JP6921804B2 (ja) | 2015-08-11 | 2016-08-05 | ターボ機械ロータブレード |
Country Status (9)
Country | Link |
---|---|
US (1) | US10801516B2 (ja) |
EP (1) | EP3334905B1 (ja) |
JP (1) | JP6921804B2 (ja) |
CN (1) | CN108138574B (ja) |
BR (1) | BR112018002793B1 (ja) |
CA (1) | CA2994912C (ja) |
FR (1) | FR3040071B1 (ja) |
RU (1) | RU2727823C2 (ja) |
WO (1) | WO2017025684A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10947851B2 (en) * | 2018-12-19 | 2021-03-16 | Raytheon Technologies Corporation | Local pressure side blade tip lean |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
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US3127093A (en) * | 1964-03-31 | Ducted sustaining rotor for aircraft | ||
US1829179A (en) * | 1929-01-11 | 1931-10-27 | Westinghouse Electric & Mfg Co | Method of making turbine blades |
US2752258A (en) * | 1955-03-02 | 1956-06-26 | Carborundum Co | Silicon nitride-bonded silicon carbide refractories |
FR2556409B1 (fr) * | 1983-12-12 | 1991-07-12 | Gen Electric | Aube perfectionnee pour moteur a turbine a gaz et procede de fabrication |
US4585395A (en) | 1983-12-12 | 1986-04-29 | General Electric Company | Gas turbine engine blade |
FR2603953B1 (fr) * | 1986-09-12 | 1991-02-22 | Peugeot Aciers Et Outillage | Pale profilee d'helice et son application aux motoventilateurs |
JP2753382B2 (ja) * | 1990-09-17 | 1998-05-20 | 株式会社日立製作所 | 軸流タービン静翼装置及び軸流タービン |
JP3697296B2 (ja) | 1995-08-25 | 2005-09-21 | 株式会社東芝 | タービン動翼 |
US6071077A (en) * | 1996-04-09 | 2000-06-06 | Rolls-Royce Plc | Swept fan blade |
US6305905B1 (en) * | 1999-05-05 | 2001-10-23 | United Technologies Corporation | Bolted-on propeller blade |
US6331100B1 (en) * | 1999-12-06 | 2001-12-18 | General Electric Company | Doubled bowed compressor airfoil |
FR2853022B1 (fr) | 2003-03-27 | 2006-07-28 | Snecma Moteurs | Aube de redresseur a double courbure |
US7547186B2 (en) * | 2004-09-28 | 2009-06-16 | Honeywell International Inc. | Nonlinearly stacked low noise turbofan stator |
GB0520850D0 (en) * | 2005-10-14 | 2005-11-23 | Rolls Royce Plc | Fan static structure |
US8087884B2 (en) * | 2006-11-30 | 2012-01-03 | General Electric Company | Advanced booster stator vane |
US8292574B2 (en) * | 2006-11-30 | 2012-10-23 | General Electric Company | Advanced booster system |
US8147207B2 (en) * | 2008-09-04 | 2012-04-03 | Siemens Energy, Inc. | Compressor blade having a ratio of leading edge sweep to leading edge dihedral in a range of 1:1 to 3:1 along the radially outer portion |
US8167567B2 (en) * | 2008-12-17 | 2012-05-01 | United Technologies Corporation | Gas turbine engine airfoil |
FR2969230B1 (fr) * | 2010-12-15 | 2014-11-21 | Snecma | Aube de compresseur a loi d'empilage amelioree |
US9074483B2 (en) * | 2011-03-25 | 2015-07-07 | General Electric Company | High camber stator vane |
US8702398B2 (en) * | 2011-03-25 | 2014-04-22 | General Electric Company | High camber compressor rotor blade |
US8684698B2 (en) * | 2011-03-25 | 2014-04-01 | General Electric Company | Compressor airfoil with tip dihedral |
FR2989107B1 (fr) | 2012-04-04 | 2017-03-31 | Snecma | Aube de rotor de turbomachine |
US9506347B2 (en) * | 2012-12-19 | 2016-11-29 | Solar Turbines Incorporated | Compressor blade for gas turbine engine |
US9284843B2 (en) * | 2013-03-13 | 2016-03-15 | The Boeing Company | Blade safety mechanism for open rotor engine system |
GB201702384D0 (en) * | 2017-02-14 | 2017-03-29 | Rolls Royce Plc | Gas turbine engine fan blade |
GB201702382D0 (en) * | 2017-02-14 | 2017-03-29 | Rolls Royce Plc | Gas turbine engine fan blade |
-
2015
- 2015-08-11 FR FR1557660A patent/FR3040071B1/fr active Active
-
2016
- 2016-08-05 BR BR112018002793-6A patent/BR112018002793B1/pt active IP Right Grant
- 2016-08-05 US US15/751,520 patent/US10801516B2/en active Active
- 2016-08-05 WO PCT/FR2016/052043 patent/WO2017025684A1/fr active Application Filing
- 2016-08-05 RU RU2018108196A patent/RU2727823C2/ru active
- 2016-08-05 EP EP16758234.5A patent/EP3334905B1/fr active Active
- 2016-08-05 CA CA2994912A patent/CA2994912C/fr active Active
- 2016-08-05 CN CN201680058482.3A patent/CN108138574B/zh active Active
- 2016-08-05 JP JP2018506937A patent/JP6921804B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
FR3040071B1 (fr) | 2020-03-27 |
US10801516B2 (en) | 2020-10-13 |
CA2994912A1 (fr) | 2017-02-16 |
CN108138574A (zh) | 2018-06-08 |
BR112018002793B1 (pt) | 2023-01-17 |
US20180231017A1 (en) | 2018-08-16 |
WO2017025684A1 (fr) | 2017-02-16 |
RU2018108196A3 (ja) | 2019-11-25 |
JP2018527504A (ja) | 2018-09-20 |
RU2018108196A (ru) | 2019-09-13 |
FR3040071A1 (fr) | 2017-02-17 |
RU2727823C2 (ru) | 2020-07-24 |
CN108138574B (zh) | 2020-02-07 |
BR112018002793A2 (ja) | 2018-10-02 |
EP3334905A1 (fr) | 2018-06-20 |
CA2994912C (fr) | 2023-10-17 |
EP3334905B1 (fr) | 2019-12-25 |
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