JP6631822B2 - ファンブレード - Google Patents
ファンブレード Download PDFInfo
- Publication number
- JP6631822B2 JP6631822B2 JP2018566748A JP2018566748A JP6631822B2 JP 6631822 B2 JP6631822 B2 JP 6631822B2 JP 2018566748 A JP2018566748 A JP 2018566748A JP 2018566748 A JP2018566748 A JP 2018566748A JP 6631822 B2 JP6631822 B2 JP 6631822B2
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- Prior art keywords
- guard
- sheath
- wing body
- fan blade
- wing
- Prior art date
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Classifications
-
- 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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0026—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor an edge face with strip material, e.g. a panel edge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/10—Manufacturing or assembling aircraft, e.g. jigs therefor
-
- 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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/04—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to undesired position of rotor relative to stator or to breaking-off of a part of the rotor, e.g. indicating such position
- F01D21/08—Restoring position
-
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/16—Blades
- B64C11/20—Constructional features
- B64C11/26—Fabricated 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
- F01D5/14—Form or construction
- F01D5/148—Blades with variable camber, e.g. by ejection of fluid
-
- 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
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/501—Elasticity
-
- 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)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Composite Materials (AREA)
- Architecture (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
(1)屈曲により生じる応力集中により、翼部本体121を構成する複合材料の表面に亀裂が生じる。また、翼部本体121を構成する複合材料が、翼部本体121の厚さ方向に積層された複数の層から成る場合には、層間剥離(隣接する層が互いに剥がれる現象)が発生する。
(2)翼部本体121のうち異物が衝突する側の面(正圧面121P)が、図4Bに示すように、発生した曲げ変形に起因して隙間Gの近傍において一時的に凸面となり、これにより、シース122及びガード123の一方または両方のうち、翼部本体121の正圧面121Pに接合された部分が剥がれ、翼部本体121の正圧面121Pから浮き上がった状態となる。
(1)オーバーラップ区間OL1の前後方向の長さをLOL1、オーバーラップ区間OL1の後端におけるファンブレード20の厚さ(図3参照)をtOL1とするとき、
LOL1≧tOL1 (式1)
(2)オーバーラップ区間OL2の前後方向の長さをLOL2、オーバーラップ区間OL2の後端におけるファンブレード20の厚さ(図3参照)をtOL2とするとき、
LOL2≧tOL2 (式2)
本開示の第1の態様のファンブレードは、熱可塑性樹脂または熱硬化性樹脂と強化繊維との複合材料から成る翼部本体と、前記翼部本体の前縁部の少なくとも一部を覆う金属製のシースと、前記翼部本体の後縁部の少なくとも一部を覆う金属製のガードと、を備え、前記シースの後端部と前記ガードの前端部とは、前記翼部本体の正圧面及び負圧面のそれぞれの面上で前記翼部本体の厚さ方向にオーバーラップしており、該オーバーラップした区間において、前記ガードの前端部は、前記シースの後端部と前記翼部本体との間に介在しており、前記オーバーラップした区間の後方の遷移区間において、前記翼部本体の厚さは、前記ファンブレードの翼部のキャンバーラインを基準として前記正圧面及び前記負圧面のそれぞれの側で前方に向かって連続的に減少しており、前記シースと前記翼部本体、前記ガードと前記翼部本体、前記オーバーラップした区間における前記シースと前記ガードは、それぞれ接着剤層によって接合され、さらに、前記遷移区間における前記ガードの外方には追加の接着剤層が配設される。
(1)前記正圧面上で前記シースの後端部と前記ガードの前端部とがオーバーラップした区間の前後方向の長さが、当該区間の後端における前記ファンブレードの厚さ以上である。
(2)前記負圧面上で前記シースの後端部と前記ガードの前端部とがオーバーラップした区間の前後方向の長さが、当該区間の後端における前記ファンブレードの厚さ以上である。
21 翼部本体
22 シース
23 ガード
24 接着剤層
24A 追加の接着剤層
CL キャンバーライン
LE (翼部本体の)前縁部
TE (翼部本体の)後縁部
SP (翼部本体の)正圧面
SS (翼部本体の)負圧面
OL1、OL2 オーバーラップ区間
TR1、TR2 後方遷移区間(遷移区間)
Claims (3)
- 熱可塑性樹脂または熱硬化性樹脂と強化繊維との複合材料から成る翼部本体と、
前記翼部本体の前縁部の少なくとも一部を覆う金属製のシースと、
前記翼部本体の後縁部の少なくとも一部を覆う金属製のガードと、
を備えるファンブレードであって、
前記シースの後端部と前記ガードの前端部とは、前記翼部本体の正圧面及び負圧面のそれぞれの面上で前記翼部本体の厚さ方向にオーバーラップしており、
該オーバーラップした区間において、前記ガードの前端部は、前記シースの後端部と前記翼部本体との間に介在しており、
前記オーバーラップした区間の後方の遷移区間において、前記翼部本体の厚さは、前記ファンブレードの翼部のキャンバーラインを基準として前記正圧面及び前記負圧面のそれぞれの側で前方に向かって連続的に減少しており、
前記シースと前記翼部本体、前記ガードと前記翼部本体、前記オーバーラップした区間における前記シースと前記ガードは、それぞれ接着剤層によって接合され、さらに、前記遷移区間における前記ガードの外方には追加の接着剤層が配設されるファンブレード。 - 前記オーバーラップした区間において、前記シースの厚さは後方に向かって連続的に減少し、前記ガードの厚さは前方に向かって連続的に減少している請求項1に記載のファンブレード。
- 以下の(1)または(2)を満足する請求項1または2に記載のファンブレード。
(1)前記正圧面上で前記シースの後端部と前記ガードの前端部とがオーバーラップした区間の前後方向の長さが、当該区間の後端における前記ファンブレードの厚さ以上である。
(2)前記負圧面上で前記シースの後端部と前記ガードの前端部とがオーバーラップした区間の前後方向の長さが、当該区間の後端における前記ファンブレードの厚さ以上である。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017021325 | 2017-02-08 | ||
JP2017021325 | 2017-02-08 | ||
PCT/JP2017/036669 WO2018146862A1 (ja) | 2017-02-08 | 2017-10-10 | ファンブレード |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018146862A1 JPWO2018146862A1 (ja) | 2019-06-27 |
JP6631822B2 true JP6631822B2 (ja) | 2020-01-15 |
Family
ID=63107313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018566748A Active JP6631822B2 (ja) | 2017-02-08 | 2017-10-10 | ファンブレード |
Country Status (7)
Country | Link |
---|---|
US (1) | US20190360344A1 (ja) |
EP (1) | EP3581764B1 (ja) |
JP (1) | JP6631822B2 (ja) |
CN (1) | CN110168197B (ja) |
CA (1) | CA3049314C (ja) |
RU (1) | RU2718381C1 (ja) |
WO (1) | WO2018146862A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220136394A1 (en) * | 2020-10-30 | 2022-05-05 | Raytheon Technologies Corporation | Composite fan blade leading edge sheath with encapsulating extension |
FR3117157B1 (fr) * | 2020-12-03 | 2022-10-21 | Safran Aircraft Engines | Hybridation des fibres du renfort fibreux d’une aube de soufflante |
CN115111191B (zh) * | 2021-03-23 | 2024-05-14 | 中国航发商用航空发动机有限责任公司 | 风扇叶片和航空发动机 |
US11988103B2 (en) * | 2021-10-27 | 2024-05-21 | General Electric Company | Airfoils for a fan section of a turbine engine |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5791398A (en) * | 1980-11-28 | 1982-06-07 | Mitsubishi Heavy Ind Ltd | Corrosion-resisting and errosion-resisting blade |
DE10001109B4 (de) * | 2000-01-13 | 2012-01-19 | Alstom Technology Ltd. | Gekühlte Schaufel für eine Gasturbine |
US6843928B2 (en) * | 2001-10-12 | 2005-01-18 | General Electric Company | Method for removing metal cladding from airfoil substrate |
US7780410B2 (en) | 2006-12-27 | 2010-08-24 | General Electric Company | Method and apparatus for gas turbine engines |
US20100028160A1 (en) * | 2008-07-31 | 2010-02-04 | General Electric Company | Compressor blade leading edge shim and related method |
RU2382911C1 (ru) * | 2008-10-24 | 2010-02-27 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" | Полая лопатка вентилятора |
RU2485355C1 (ru) * | 2011-12-14 | 2013-06-20 | Открытое акционерное общество "Авиадвигатель" | Рабочая лопатка вентилятора |
US9322283B2 (en) * | 2012-09-28 | 2016-04-26 | United Technologies Corporation | Airfoil with galvanic corrosion preventive shim |
EP2971527B1 (en) * | 2013-03-15 | 2020-08-05 | United Technologies Corporation | Hybrid fan blade biscuit construction |
RU136092U1 (ru) * | 2013-08-05 | 2013-12-27 | Открытое акционерное общество "Научно-производственное объединение "Сатурн" | Охлаждаемая лопатка турбины |
EP3049635B1 (en) * | 2013-09-17 | 2019-02-06 | United Technologies Corporation | Aluminum airfoil with titanium coating |
-
2017
- 2017-10-10 CA CA3049314A patent/CA3049314C/en active Active
- 2017-10-10 WO PCT/JP2017/036669 patent/WO2018146862A1/ja unknown
- 2017-10-10 RU RU2019127200A patent/RU2718381C1/ru active
- 2017-10-10 JP JP2018566748A patent/JP6631822B2/ja active Active
- 2017-10-10 CN CN201780083122.3A patent/CN110168197B/zh not_active Expired - Fee Related
- 2017-10-10 EP EP17895575.3A patent/EP3581764B1/en active Active
-
2019
- 2019-08-06 US US16/533,342 patent/US20190360344A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CA3049314C (en) | 2021-03-30 |
US20190360344A1 (en) | 2019-11-28 |
JPWO2018146862A1 (ja) | 2019-06-27 |
CN110168197B (zh) | 2021-08-31 |
CN110168197A (zh) | 2019-08-23 |
WO2018146862A1 (ja) | 2018-08-16 |
EP3581764A4 (en) | 2020-12-02 |
EP3581764B1 (en) | 2023-02-22 |
RU2718381C1 (ru) | 2020-04-02 |
EP3581764A1 (en) | 2019-12-18 |
CA3049314A1 (en) | 2018-08-16 |
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