JP2019500537A - 前縁保護体 - Google Patents
前縁保護体 Download PDFInfo
- Publication number
- JP2019500537A JP2019500537A JP2018532580A JP2018532580A JP2019500537A JP 2019500537 A JP2019500537 A JP 2019500537A JP 2018532580 A JP2018532580 A JP 2018532580A JP 2018532580 A JP2018532580 A JP 2018532580A JP 2019500537 A JP2019500537 A JP 2019500537A
- Authority
- JP
- Japan
- Prior art keywords
- suction side
- wing
- side wing
- leading edge
- component
- 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
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
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/282—Selecting composite materials, e.g. blades with reinforcing filaments
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials 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
- F04D29/26—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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
-
- 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
- F05D2220/36—Application in turbines specially adapted for the fan of turbofan 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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
-
- 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)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Architecture (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【選択図】図2
Description
Claims (12)
- ターボ機械翼(16)のための前縁保護体(32)であって、
該前縁保護体(32)は、圧力側翼部(34)と吸込側翼部(36)とを具備し、
前記圧力側翼部(34)と前記吸込側翼部(36)の各々が、下縁(50)から上縁(51)まで高さ方向において且つ前縁からそれぞれの後縁(40、42)まで長手方向において延びていて更に前記前縁を介して共に接続される、前縁保護体(32)において、
前記吸込側翼部(36)の前記後縁(42)は、少なくとも1つの成形された構成部分(S1、S2)を有し、前記構成部分(S1、S2)は、前記構成部分(S1、S2)内の前記吸込側翼部(36)の長さ(l1、l11、l12)が、前記構成部分(S1、S2)の各端部における前記吸込側翼部(36)の長さ(l2、l3、l21、l22、l31、l32)よりも短いような状態で成形される、ことを特徴とする前縁保護体(32)。 - 前記吸込側翼部(36)の前記後縁(42)の該構成部分(S1、S2)は、前記吸込側翼部(36)の前記下縁(50)よりも前記上縁(51)により近い、ことを特徴とする請求項1に記載の前縁保護体(32)。
- 前記構成部分(S1、S2)内の前記吸込側翼部(36)の前記長さ(l1、l11、l12)は、前記構成部分(S1、S2)の各端部における前記吸込側翼部(36)の長さ(l2、l3、l21、l22、l31、l32)に比べて、少なくとも10%、より短い、ことを特徴とする請求項1又は2に記載の前縁保護体(32)。
- 前記構成部分(S1、S2)内の前記吸込側翼部(36)の前記長さ(l1、l11、l12)は、前記構成部分(S1、S2)の各端部における前記吸込側翼部(36)の前記長さ(l2、l3、l21、l22、l31、l32)に比べて、少なくとも15%、より短い、ことを特徴とする請求項3に記載の前縁保護体(32)。
- 前記構成部分(S1、S2)内の前記吸込側翼部(36)の前記長さ(l1、l11、l12)は、前記構成部分(S1、S2)の各端部における前記吸込側翼部(36)の長さ(l2、l3、l21、l22、l31、l32)に比べて、少なくとも30%、より短い、ことを特徴とする請求項4に記載の前縁保護体(32)。
- 前記吸込側翼部(36)の該後縁(42)は、各構成部分(S1、S2)内の前記吸込側翼部(36)の長さ(l11、l12)が、同じ構成部分(S1、S2)の各端部における前記吸込側翼部(36)の長さ(l21、l22、l31、l32)に比べてより短いような状態で成形される、複数の成形された構成部分(S1、S2)を有する、ことを特徴とする請求項1〜5のいずれか一項に記載の前縁保護体(32)。
- 金属材料により製作される、ことを特徴とする請求項1〜6のいずれか一項に記載の保護体(32)。
- 翼根元から翼先端まで高さ方向に延びる、翼(16)であって、
翼本体(30)と、前記翼本体(30)に組み付けられた請求項1〜7のいずれか一項に記載の前縁保護体(32)と、を具備する翼(16)において、
前記翼本体(30)は、繊維で補強された有機マトリックス複合材料により製作され、更に前記前縁保護体(32)は、前記翼本体の前記有機マトリックス複合材料よりも耐点衝撃性のより優れた材料により製作される、ことを特徴とする翼(16)。 - 前記前縁は、少なくとも局所的に、30度以上の後傾斜を有する、ことを特徴とする請求項8に記載の翼(16)。
- 請求項8又は9に記載の複数の翼(16)を具備することを特徴とするターボ機械。
- 請求項8又は9に記載の複数の翼(16)を具備することを特徴とするファン(14)。
- 請求項11に記載のファンを具備することを特徴とするターボファン(10)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1563007A FR3045712B1 (fr) | 2015-12-21 | 2015-12-21 | Bouclier de bord d'attaque |
FR1563007 | 2015-12-21 | ||
PCT/FR2016/053607 WO2017109407A1 (fr) | 2015-12-21 | 2016-12-21 | Bouclier de bord d'attaque |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019500537A true JP2019500537A (ja) | 2019-01-10 |
JP6927978B2 JP6927978B2 (ja) | 2021-09-01 |
Family
ID=55542879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018532580A Active JP6927978B2 (ja) | 2015-12-21 | 2016-12-21 | 前縁保護体 |
Country Status (9)
Country | Link |
---|---|
US (1) | US11131196B2 (ja) |
EP (1) | EP3394398B1 (ja) |
JP (1) | JP6927978B2 (ja) |
CN (1) | CN108463614B (ja) |
BR (1) | BR112018012664B1 (ja) |
CA (1) | CA3009226A1 (ja) |
FR (1) | FR3045712B1 (ja) |
RU (1) | RU2728673C2 (ja) |
WO (1) | WO2017109407A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10760428B2 (en) * | 2018-10-16 | 2020-09-01 | General Electric Company | Frangible gas turbine engine airfoil |
US11466576B2 (en) * | 2019-11-04 | 2022-10-11 | Raytheon Technologies Corporation | Airfoil with continuous stiffness joint |
FR3103855B1 (fr) * | 2019-11-29 | 2022-10-21 | Safran | Structure améliorée de bord d’attaque d’aube. |
FR3115079B1 (fr) * | 2020-10-12 | 2022-10-14 | Safran Aircraft Engines | Aube en materiau composite comprenant un bouclier de bord d’attaque, turbomachine comprenant l’aube |
FR3123380A1 (fr) * | 2021-05-28 | 2022-12-02 | Safran Aircraft Engines | Bouclier de bord d'attaque amélioré |
FR3124217B1 (fr) | 2021-06-21 | 2023-06-30 | Safran Aircraft Engines | Procede de fabrication d’une aube composite de turbomachine avec controle du poids moment |
FR3138816A1 (fr) * | 2022-08-12 | 2024-02-16 | Safran Aircraft Engines | Piece pour une turbomachine d’aeronef et procede de fabrication associe |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3989406A (en) * | 1974-11-26 | 1976-11-02 | Bolt Beranek And Newman, Inc. | Method of and apparatus for preventing leading edge shocks and shock-related noise in transonic and supersonic rotor blades and the like |
JPS5221512A (en) * | 1975-07-17 | 1977-02-18 | Gen Electric | Combined blade with front edge protection |
US4944655A (en) * | 1988-05-10 | 1990-07-31 | Mtu Motoren- Und Turbinen-Union Munich Gmbh | Propeller blade of a fiber-reinforced plastic material |
GB2288441A (en) * | 1994-04-05 | 1995-10-18 | Mtu Muenchen Gmbh | Composite blade with leading edge protection |
JPH094405A (ja) * | 1995-06-21 | 1997-01-07 | Mitsubishi Heavy Ind Ltd | 蒸気タービンの耐摩耗性ブレード |
JP2009024695A (ja) * | 2007-07-23 | 2009-02-05 | General Electric Co <Ge> | 翼形部及び翼形部前縁を保護する方法 |
JP2009068493A (ja) * | 2007-09-13 | 2009-04-02 | Snecma | 複合材ブレード用の振動減衰デバイス |
US20110229334A1 (en) * | 2010-03-16 | 2011-09-22 | United Technologies Corporation | Composite leading edge sheath and dovetail root undercut |
JP2012026448A (ja) * | 2010-07-23 | 2012-02-09 | General Electric Co <Ge> | 接合縁部を備えた構成要素 |
US20140219808A1 (en) * | 2012-10-01 | 2014-08-07 | United Technologies Corporation | Sheath with extended wings |
WO2014143265A1 (en) * | 2013-03-15 | 2014-09-18 | United Technologies Corporation | Hybrid fan blade biscuit construction |
JP2014532112A (ja) * | 2011-08-10 | 2014-12-04 | スネクマ | ブレードの前縁用保護補強材を作製する方法 |
WO2014196987A2 (en) * | 2012-06-21 | 2014-12-11 | United Technologies Corporation | Hybrid metal fan blade |
WO2015128575A1 (fr) * | 2014-02-25 | 2015-09-03 | Snecma | Bord de protection d'aube et son procede de fabrication |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1096294A (en) | 1964-06-12 | 1967-12-29 | English Electric Co Ltd | Turbine blades |
GB1500776A (en) * | 1976-04-08 | 1978-02-08 | Rolls Royce | Fibre reinforced composite structures |
JPS62165506A (ja) | 1986-01-16 | 1987-07-22 | Toshiba Corp | タ−ビン翼 |
JPS62165512A (ja) | 1986-01-17 | 1987-07-22 | Toshiba Corp | タ−ビン翼 |
JPH11182204A (ja) | 1997-12-15 | 1999-07-06 | Toshiba Corp | タービン動翼 |
US9429025B2 (en) | 2010-06-22 | 2016-08-30 | Sikorsky Aircraft Corporation | Erosion resistant helicopter blade |
FR2994708B1 (fr) * | 2012-08-23 | 2018-07-27 | Safran Aircraft Engines | Aube a bord renforce pour une turbomachine |
-
2015
- 2015-12-21 FR FR1563007A patent/FR3045712B1/fr active Active
-
2016
- 2016-12-21 EP EP16831499.5A patent/EP3394398B1/fr active Active
- 2016-12-21 WO PCT/FR2016/053607 patent/WO2017109407A1/fr active Application Filing
- 2016-12-21 BR BR112018012664-0A patent/BR112018012664B1/pt active IP Right Grant
- 2016-12-21 JP JP2018532580A patent/JP6927978B2/ja active Active
- 2016-12-21 CA CA3009226A patent/CA3009226A1/fr active Pending
- 2016-12-21 CN CN201680078697.1A patent/CN108463614B/zh active Active
- 2016-12-21 RU RU2018126658A patent/RU2728673C2/ru active
- 2016-12-21 US US16/064,132 patent/US11131196B2/en active Active
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3989406A (en) * | 1974-11-26 | 1976-11-02 | Bolt Beranek And Newman, Inc. | Method of and apparatus for preventing leading edge shocks and shock-related noise in transonic and supersonic rotor blades and the like |
JPS5221512A (en) * | 1975-07-17 | 1977-02-18 | Gen Electric | Combined blade with front edge protection |
US4944655A (en) * | 1988-05-10 | 1990-07-31 | Mtu Motoren- Und Turbinen-Union Munich Gmbh | Propeller blade of a fiber-reinforced plastic material |
GB2288441A (en) * | 1994-04-05 | 1995-10-18 | Mtu Muenchen Gmbh | Composite blade with leading edge protection |
JPH094405A (ja) * | 1995-06-21 | 1997-01-07 | Mitsubishi Heavy Ind Ltd | 蒸気タービンの耐摩耗性ブレード |
JP2009036192A (ja) * | 2007-07-23 | 2009-02-19 | General Electric Co <Ge> | 翼形部及び翼形部前縁を保護する方法 |
JP2009024695A (ja) * | 2007-07-23 | 2009-02-05 | General Electric Co <Ge> | 翼形部及び翼形部前縁を保護する方法 |
JP2009068493A (ja) * | 2007-09-13 | 2009-04-02 | Snecma | 複合材ブレード用の振動減衰デバイス |
US20110229334A1 (en) * | 2010-03-16 | 2011-09-22 | United Technologies Corporation | Composite leading edge sheath and dovetail root undercut |
JP2012026448A (ja) * | 2010-07-23 | 2012-02-09 | General Electric Co <Ge> | 接合縁部を備えた構成要素 |
JP2014532112A (ja) * | 2011-08-10 | 2014-12-04 | スネクマ | ブレードの前縁用保護補強材を作製する方法 |
WO2014196987A2 (en) * | 2012-06-21 | 2014-12-11 | United Technologies Corporation | Hybrid metal fan blade |
US20140219808A1 (en) * | 2012-10-01 | 2014-08-07 | United Technologies Corporation | Sheath with extended wings |
WO2014143265A1 (en) * | 2013-03-15 | 2014-09-18 | United Technologies Corporation | Hybrid fan blade biscuit construction |
WO2015128575A1 (fr) * | 2014-02-25 | 2015-09-03 | Snecma | Bord de protection d'aube et son procede de fabrication |
Also Published As
Publication number | Publication date |
---|---|
CA3009226A1 (fr) | 2017-06-29 |
FR3045712B1 (fr) | 2020-11-13 |
JP6927978B2 (ja) | 2021-09-01 |
CN108463614B (zh) | 2021-05-28 |
EP3394398B1 (fr) | 2022-04-27 |
FR3045712A1 (fr) | 2017-06-23 |
US11131196B2 (en) | 2021-09-28 |
BR112018012664B1 (pt) | 2023-03-07 |
RU2018126658A3 (ja) | 2020-05-29 |
WO2017109407A1 (fr) | 2017-06-29 |
EP3394398A1 (fr) | 2018-10-31 |
US20190003312A1 (en) | 2019-01-03 |
RU2018126658A (ru) | 2020-01-24 |
CN108463614A (zh) | 2018-08-28 |
RU2728673C2 (ru) | 2020-07-30 |
BR112018012664A2 (pt) | 2018-12-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6927978B2 (ja) | 前縁保護体 | |
US10619486B2 (en) | Blade, associated fan and turbojet engine | |
US8851855B2 (en) | Composite turbomachine blade | |
CN108005730B (zh) | 涡轮发动机叶片前缘加强件 | |
US10883374B2 (en) | Blade comprising a folded leading edge shield and method of manufacturing the blade | |
JP6131010B2 (ja) | 金属ファンブレードプラットフォーム | |
EP2378079A2 (en) | Composite leading edge sheath and dovetail root undercut | |
CN111287802B (zh) | 多材料前缘保护器 | |
JP2009191847A (ja) | 超弾性材料によって構成された前縁を有するターボ機械部品 | |
EP3040517A1 (en) | Radial lock for fan blade sheath | |
US10934851B2 (en) | Leading edge shield | |
US20140064938A1 (en) | Rub tolerant fan case | |
WO2014137446A1 (en) | Hybrid fan blades for jet engines | |
US11015460B2 (en) | Blade comprising a blade body made of composite material and a leading-edge shield | |
EP2930306B1 (en) | Gas turbine engine fan with discrete platforms for electrically grounding sheaths of fan airfoils | |
EP2904215A1 (en) | Sheath with extended wings | |
JP2019504241A (ja) | 前縁保護体 | |
US20230392507A1 (en) | Blade made of composite material comprising a leading edge shield, turbine engine comprising the blade |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20191219 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20201201 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210301 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210706 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210805 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6927978 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |