JP2019173746A - 強化複合ブレードおよびブレードの製造方法 - Google Patents
強化複合ブレードおよびブレードの製造方法 Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 216
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 430
- 230000007423 decrease Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 230000003247 decreasing effect Effects 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 20
- 229910052799 carbon Inorganic materials 0.000 description 20
- 239000003365 glass fiber Substances 0.000 description 17
- 239000011521 glass Substances 0.000 description 13
- 229920000049 Carbon (fiber) Polymers 0.000 description 8
- 239000004917 carbon fiber Substances 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000032798 delamination Effects 0.000 description 3
- 229920002748 Basalt fiber Polymers 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012783 reinforcing fiber Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000001721 transfer moulding Methods 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/302—Details of the edges of fibre composites, e.g. edge finishing or means to avoid delamination
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/14—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a face layer formed of separate pieces of material which are juxtaposed side-by-side
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/12—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- 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
- 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
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/22—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure
- B29C70/228—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least two directions forming a two dimensional structure the structure being stacked in parallel layers with fibres of adjacent layers crossing at substantial angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2307/00—Use of elements other than metals as reinforcement
- B29K2307/04—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
- B29K2309/08—Glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2603/00—Vanes, blades, propellers, rotors with blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
- B64D2033/022—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising bird or foreign object protections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/16—Aircraft characterised by the type or position of power plants of jet type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
- F05D2300/6034—Orientation of fibres, weaving, ply angle
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Architecture (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Moulding By Coating Moulds (AREA)
- Laminated Bodies (AREA)
Abstract
Description
複数の第1の複合繊維プライ(40)と、
複数の第2の複合繊維プライ(30)と、
を含み、
前記第2の複合繊維プライ(30)が終端して前記第1の複合繊維プライ(40)と合致する領域に前記第1の複合繊維プライ(40)と前記第2の複合繊維プライ(30)との間のインターロックが形成されるように、前記第2の複合繊維プライ(30)の端部が段違いになっている、
ブレード(20)。
前記第2の複合繊維プライ(30)は、一方向繊維(311、321)を含む、
実施態様1記載のブレード(20)。
複数の前記第2の複合繊維プライ(30)は、
前記ブレード(20)の表面から内側に向かって翼弦方向長さおよび翼幅方向長さの両方において単調に減少する翼幅方向繊維プライ(31、33、35、37)を含む、
実施態様1記載のブレード(20)。
複数の前記第2の複合繊維プライ(30)は、
前記ブレード(20)の表面から内側に向かって単調に減少または増加しない非翼幅方向繊維プライ(32、34、36、38)を含む、
実施態様1記載のブレード(20)。
複数の前記第2の複合繊維プライ(30)は、翼幅方向繊維プライ(31、33、35、37)および非翼幅方向繊維プライ(32、34、36、38)を含み、前記非翼幅方向繊維プライ(32、34、36)は、隣接する翼幅方向繊維プライ(31、33、35、37)が非翼幅方向繊維プライ(32、34、36)によって隔てられるように、前記隣接する翼幅方向繊維プライ(31、33、35、37)の間に配置される、
実施態様1記載のブレード(20)。
前記非翼幅方向繊維プライ(32、34、36、38)は、15°から75°の間の角度に配向された繊維(321)を有する、および/または前記ブレード(20)の翼幅方向に対して−75°から−15°の間の角度に配向された繊維(321)を有する、
実施態様5記載のブレード(20)。
前記非翼幅方向繊維プライは、45°の角度に配向された繊維(321)を有する、および/または前記ブレード(20)の前記翼幅方向に対して−45°の角度に配向された繊維(321)を有する、
実施態様5記載のブレード(20)。
複数の前記第2の複合繊維プライ(30)のうちの2つ以下のプライ(32、35)は、同じ箇所または実質的に同じ箇所で終端する、
実施態様1記載のブレード(20)。
複数の前記第2の複合繊維プライ(30)のうちの2つ以下のプライ(32、35)は、100ミル以内で異なる前記実質的に同じ箇所で終端する、
実施態様8記載のブレード(20)。
複数の前記第2の複合繊維プライ(30)のうちの2つ以下のプライ(32、35)は、前記第2の複合繊維プライ(30)の1つのプライの平均厚さの20倍以内で異なる前記実質的に同じ箇所で終端する、
実施態様8記載のブレード(20)。
少なくとも1つのプライは、前記同じ箇所または前記実質的に同じ箇所で終端する隣接する前記第2の複合繊維プライ(30)の間に配置される、
実施態様8記載のブレード(20)。
複数の前記第1の複合繊維プライ(40)のそれぞれの翼弦方向の長さは、前記ブレード(20)の翼弦方向の全体の長さの50%から99%を占め、複数の前記第2の複合繊維プライ(30)のそれぞれの翼弦方向の長さは、前記ブレード(20)の前記翼弦方向の全体の長さの1%から50%を占める、
実施態様1記載のブレード(20)。
複数の前記第1の複合繊維プライ(40)は、前記ブレード(20)の前縁の端部および/または後縁の端部まで延びない、
実施態様1記載のブレード(20)。
前記ブレード(20)の縁部の厚さは、前記ブレード(20)の前記翼弦方向の全体の長さの1%から50%を占める第2の複合繊維プライ(30)から完全に構成される、
実施態様13記載のブレード(20)。
前記第2の複合繊維プライ(30)は、前記ブレード(20)の後縁および/または前縁に配置される、
実施態様1記載のブレード(20)。
前記第2の複合繊維プライ(30)は、ブレード(20)の第1の表面からブレード(20)の第2の表面まで後縁および/または前縁の周りに延びる、
実施態様1記載のブレード(20)。
複数の前記第1の複合繊維プライ(40)の繊維は、炭素繊維から選択される、
実施態様1記載のブレード(20)。
複数の前記第2の複合繊維プライ(30)の繊維は、ガラス繊維、アラミド繊維、ポリマー繊維およびバサルト繊維から選択される、
実施態様1記載のブレード(20)。
実施態様1記載のブレード(20)を含む、
航空機のエンジン。
ブレード(20)を製造する方法であって、
前記ブレード(20)上に複数の第1の複合繊維プライ(40)を敷設するステップと、
前記複数の第1の複合繊維プライ(40)と組み合わせて複数の第2の複合繊維プライ(30)を敷設し、前記第2の複合繊維プライ(30)が終端して前記第1の複合繊維プライ(40)と合致する領域に前記第1の複合繊維プライ(40)と前記第2の複合繊維プライ(30)との間のインターロックが形成されるように、前記第2の複合繊維プライ(30)の端部を段違いにするステップと、
を含む、方法。
21 根元部
22 先端部
26 窪み状の圧力側
27 突状の負圧側
28 前縁
29 後縁
30 第2の複合繊維プライ(プライ)
31 第1の翼幅方向繊維プライ
32 第1の非翼幅方向繊維プライ
33 第2の翼幅方向繊維プライ
34 第2の非翼幅方向繊維プライ
35 第3の翼幅方向繊維プライ
36 第3の非翼幅方向繊維プライ
37 第4の翼幅方向繊維プライ
38 第4の非翼幅方向繊維プライ
40 第1の複合繊維プライ(プライ)
100 炭素複合繊維層
110 ブレード上に1つの第1の複合繊維プライを敷設する
120 ブレード上に1つの第2の複合繊維プライを敷設する
130 第2の複合繊維プライを第1の複合繊維層と組み合わせてブレードの全体層を形成する
140 ブレード上に所望の層が得られるまでステップ110からステップ130を繰り返す
210 ブレード上に1つの第2の複合繊維プライを敷設する
220 ブレード上に1つの第1の複合繊維プライを敷設する
230 第1の複合繊維層を第2の複合繊維プライと組み合わせてブレードの全体層を形成する
240 ブレード上に所望の層が得られるまでステップ210からステップ230を繰り返す
311/321 繊維
Claims (10)
- 複数の第1の複合繊維プライ(40)と、
複数の第2の複合繊維プライ(30)と、
を含み、
前記第2の複合繊維プライ(30)が終端して前記第1の複合繊維プライ(40)と合致する領域に前記第1の複合繊維プライ(40)と前記第2の複合繊維プライ(30)との間のインターロックが形成されるように、前記第2の複合繊維プライ(30)の端部が段違いになっている、
ブレード(20)。 - 前記第2の複合繊維プライ(30)は、一方向繊維(311、321)を含む、
請求項1記載のブレード(20)。 - 複数の前記第2の複合繊維プライ(30)は、
前記ブレード(20)の表面から内側に向かって翼弦方向長さおよび翼幅方向長さの両方において単調に減少する翼幅方向繊維プライ(31、33、35、37)を含む、
請求項1記載のブレード(20)。 - 複数の前記第2の複合繊維プライ(30)は、
前記ブレード(20)の表面から内側に向かって単調に減少または増加しない非翼幅方向繊維プライ(32、34、36、38)を含む、
請求項1記載のブレード(20)。 - 複数の前記第2の複合繊維プライ(30)は、翼幅方向繊維プライ(31、33、35、37)および非翼幅方向繊維プライ(32、34、36、38)を含み、前記非翼幅方向繊維プライ(32、34、36)は、隣接する翼幅方向繊維プライ(31、33、35、37)が非翼幅方向繊維プライ(32、34、36)によって隔てられるように、隣接する翼幅方向繊維プライ(31、33、35、37)の間に配置される、
請求項1記載のブレード(20)。 - 前記非翼幅方向繊維プライ(32、34、36、38)は、15°から75°の間の角度に配向された繊維(321)を有するか、若しくは、前記ブレード(20)の翼幅方向に対して−75°から−15°の間の角度に配向された繊維(321)を有するか、又はその両方を有する、
請求項4または5記載のブレード(20)。 - 複数の前記第2の複合繊維プライ(30)のうちの2つ以下のプライ(32、35)は、同じ箇所または実質的に同じ箇所で終端する、
請求項1乃至6のいずれか1項記載のブレード(20)。 - 複数の前記第2の複合繊維プライ(30)のうちの2つ以下のプライ(32、35)は、100ミル以内で異なる前記実質的に同じ箇所で終端するか、または、複数の前記第2の複合繊維プライ(30)のうちの2つ以下のプライ(32、35)は、前記第2の複合繊維プライ(30)の1つのプライの平均厚さの20倍以内で異なる前記実質的に同じ箇所で終端する、
請求項7記載のブレード(20)。 - 請求項1乃至8のいずれか1項記載のブレード(20)を含む、
航空機のエンジン。 - ブレード(20)を製造する方法であって、
前記ブレード(20)上に複数の第1の複合繊維プライ(40)を敷設するステップ(110)と、
前記複数の第1の複合繊維プライ(40)と組み合わせて複数の第2の複合繊維プライ(30)を敷設し(120)、前記第2の複合繊維プライ(30)が終端して前記第1の複合繊維プライ(40)と合致する領域に前記第1の複合繊維プライ(40)と前記第2の複合繊維プライ(30)との間のインターロックが形成されるように、前記第2の複合繊維プライ(30)の端部を段違いにする(130)ステップと、
を含む、方法。
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CN113147053B (zh) * | 2021-05-21 | 2023-01-24 | 江苏恒神股份有限公司 | 加筋结构件端框及其成型方法 |
US11927113B2 (en) * | 2021-08-06 | 2024-03-12 | Rtx Corporation | Composite fan blade airfoil, methods of manufacture thereof and articles comprising the same |
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