FR2776264B1 - Pale a pas variable en materiau composite pour rotor d'helicoptere et procede de fabrication d'une telle pale - Google Patents
Pale a pas variable en materiau composite pour rotor d'helicoptere et procede de fabrication d'une telle paleInfo
- Publication number
- FR2776264B1 FR2776264B1 FR9803542A FR9803542A FR2776264B1 FR 2776264 B1 FR2776264 B1 FR 2776264B1 FR 9803542 A FR9803542 A FR 9803542A FR 9803542 A FR9803542 A FR 9803542A FR 2776264 B1 FR2776264 B1 FR 2776264B1
- Authority
- FR
- France
- Prior art keywords
- pad
- manufacturing
- composite material
- helicopter rotor
- variable pit
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/86—Incorporated in coherent impregnated reinforcing layers, e.g. by winding
-
- 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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
- B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Aviation & Aerospace Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9803542A FR2776264B1 (fr) | 1998-03-23 | 1998-03-23 | Pale a pas variable en materiau composite pour rotor d'helicoptere et procede de fabrication d'une telle pale |
US09/271,419 US6227805B1 (en) | 1998-03-23 | 1999-03-16 | Composite material variable pitch blade for helicopter rotor and manufacturing process of such a blade |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9803542A FR2776264B1 (fr) | 1998-03-23 | 1998-03-23 | Pale a pas variable en materiau composite pour rotor d'helicoptere et procede de fabrication d'une telle pale |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2776264A1 FR2776264A1 (fr) | 1999-09-24 |
FR2776264B1 true FR2776264B1 (fr) | 2000-06-02 |
Family
ID=9524375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9803542A Expired - Fee Related FR2776264B1 (fr) | 1998-03-23 | 1998-03-23 | Pale a pas variable en materiau composite pour rotor d'helicoptere et procede de fabrication d'une telle pale |
Country Status (2)
Country | Link |
---|---|
US (1) | US6227805B1 (fr) |
FR (1) | FR2776264B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9296174B2 (en) | 2011-01-12 | 2016-03-29 | Compagnie Chomarat | Composite laminated structures and methods for manufacturing and using the same |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE523720C2 (sv) * | 2001-10-31 | 2004-05-11 | Saab Ab | Anordning och metod vid rotorblad |
WO2005105417A1 (fr) * | 2004-04-29 | 2005-11-10 | Technische Universität Dresden | Structure creuse realisee en matiere plastique renforcee avec des elements d'introduction de charge |
ES2375623T3 (es) * | 2005-03-23 | 2012-03-02 | 3A Technology & Management Ag | Pala de hélice de ventilador y procedimiento para su fabricación. |
EP2246259B1 (fr) * | 2009-04-29 | 2012-12-12 | Eurocopter Deutschland GmbH | Aile de rotor avec élément integral de transmission de tension et de couple et son procédé de fabrication |
US10137542B2 (en) | 2010-01-14 | 2018-11-27 | Senvion Gmbh | Wind turbine rotor blade components and machine for making same |
PT2524134E (pt) | 2010-01-14 | 2014-08-01 | Neptco Inc | Componentes de pá de rotor de turbina eólica e seus processos de fabrico |
CN102452480B (zh) * | 2010-10-15 | 2015-08-19 | 空客直升机德国有限公司 | 具有成一体的张力扭矩传递元件的旋翼及其生产方法 |
FR2968237B1 (fr) | 2010-12-03 | 2017-03-10 | Eurocopter France | Procede ameliore pour fabriquer des pieces renforcees en materiaux composites et pieces renforcees obtenues par ledit procede |
US9808988B2 (en) * | 2015-11-30 | 2017-11-07 | The Boeing Company | Carbon fiber reinforced plastic (CFRP) stringer termination softening with stacked CFRP noodle |
WO2019038500A1 (fr) | 2017-08-24 | 2019-02-28 | Safran Aircraft Engines | Pale pour turbomachine et son procede de fabrication |
FR3070427B1 (fr) * | 2017-08-24 | 2023-07-14 | Safran Aircraft Engines | Insert pour la fixation d'un composant sur un support de turbomachine |
EP3984715B1 (fr) * | 2020-10-13 | 2023-11-15 | Technische Universität München | Noyau soluble renforcé en fibre et procédé pour sa fabrication |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2588570A (en) * | 1946-10-31 | 1952-03-11 | Autogiro Co Of America | Blade construction for aircraft sustaining rotors |
FR2016849A1 (fr) * | 1968-08-01 | 1970-05-15 | Dowty Rotol Ltd | |
US3782856A (en) * | 1972-05-31 | 1974-01-01 | United Aircraft Corp | Composite aerodynamic blade with twin-beam spar |
FR2234130B1 (fr) * | 1973-05-14 | 1976-04-30 | Kamov Nikolai | |
FR2252916B1 (fr) * | 1973-11-30 | 1978-02-24 | Aerospatiale | |
US3999888A (en) * | 1975-06-25 | 1976-12-28 | United Technologies Corporation | Composite tip weight attachment |
FR2542695B1 (fr) * | 1983-03-18 | 1985-07-26 | Aerospatiale | Helice multipale a pas variable a pale s en materiaux composites demontables individuellement, procede de fabrication de telles pales et pales ainsi realisees |
FR2574752B1 (fr) * | 1984-12-19 | 1987-02-20 | Aerospatiale | Pale pour rotor d'helicoptere en materiau composite multilongeron a caissons de torsion et son procede de fabrication |
FR2616409B1 (fr) * | 1987-06-09 | 1989-09-15 | Aerospatiale | Pale en materiaux composites et son procede de fabrication |
US5378109A (en) * | 1990-09-28 | 1995-01-03 | The Boeing Company | Co-cured composite fan blade and method |
US5273398A (en) * | 1992-12-01 | 1993-12-28 | United Technologies Corporation | Rotor blade balance weight assembly |
FR2740380B1 (fr) * | 1995-10-30 | 1998-01-02 | Eurocopter France | Procede de fabrication d'une pale a pas variable en materiau composite pour rotor d'helicoptere |
FR2740378B1 (fr) | 1995-10-30 | 1998-01-02 | Eurocopter France | Procede de fabrication d'une pale a pas variable en materiau composite pour rotor d'helicoptere, et pale a pas variable pouvant etre obtenue par un tel procede |
FR2740379B1 (fr) * | 1995-10-30 | 1998-01-02 | Eurocopter France | Procede de fabrication d'une pale en materiau composite pour rotor d'helicoptere, et pale pouvant etre obtenue par un tel procede |
-
1998
- 1998-03-23 FR FR9803542A patent/FR2776264B1/fr not_active Expired - Fee Related
-
1999
- 1999-03-16 US US09/271,419 patent/US6227805B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9296174B2 (en) | 2011-01-12 | 2016-03-29 | Compagnie Chomarat | Composite laminated structures and methods for manufacturing and using the same |
Also Published As
Publication number | Publication date |
---|---|
FR2776264A1 (fr) | 1999-09-24 |
US6227805B1 (en) | 2001-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20151130 |