IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0678158
(2008-09-23)
|
| 등록번호 |
US-8784092
(2014-07-22)
|
| 우선권정보 |
FR-07 57795 (2007-09-24) |
| 국제출원번호 |
PCT/FR2008/051696
(2008-09-23)
|
| §371/§102 date |
20100315
(20100315)
|
| 국제공개번호 |
WO2009/050362
(2009-04-23)
|
|
발명자
/ 주소 |
- Boyeldieu, Aurelien
- Charbonnier, Virginie
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 |
피인용 횟수 :
0 인용 특허 :
62 |
초록
▼
A device for producing a composite material part designed to be in contact with aerodynamic flows, in particular a portion of the fuselage, whereby the device includes at least one mold (32), elements (34, 36, 38) for compressing the part that is to be produced, as well as a system for drainage of t
A device for producing a composite material part designed to be in contact with aerodynamic flows, in particular a portion of the fuselage, whereby the device includes at least one mold (32), elements (34, 36, 38) for compressing the part that is to be produced, as well as a system for drainage of the gases emanating from the part that is to be produced that includes at least one plate (42), characterized in that the at least one plate (42) includes a number of openings (44) whose shapes and/or arrangement limit the degradation of the aerodynamic characteristics of the part that is to be produced.
대표청구항
▼
1. A device for producing a composite material part for contact with aerodynamic flows in a direction of flow, comprising: a mold (32) constructed and arranged to directly support and provide shaping for a resin matrix of the composite material part to be produced at a first surface;a separating fil
1. A device for producing a composite material part for contact with aerodynamic flows in a direction of flow, comprising: a mold (32) constructed and arranged to directly support and provide shaping for a resin matrix of the composite material part to be produced at a first surface;a separating film (50) directly disposed on a second surface of the resin matrix of the composite material part to be produced, the second surface being opposite the first surface, the separating film (50) being constructed and arranged to detach the device from the resin matrix of the composite material part to be produced after the resin matrix has polymerized;a compression subunit (34, 36, 38) constructed and arranged to compress the composite material part to be produced, the compression subunit (34, 36, 38) including a compacting bladder (34), the compression subunit (34, 36, 38) configured to evacuate gases from the device in a direction away from the compacting bladder toward the mold (32); anda drainage system constructed and arranged to drain gases emanating from the composite material part during production, the drainage system including: a plate (42) disposed between the separating film (50) and the compacting bladder (34), a flexibility of the plate being limited so as not to permit the plate (42) to crumple upon itself, the plate defining a plurality of openings (44), the plate being constructed and arranged to both (i) drain the gases emanating from the composite material part and (ii) provide molding of the second surface of the resin matrix of the composite material part,wherein a shape of each opening and an arrangement of the plurality of openings are constructed and arranged such that degradation of aerodynamic characteristics of the composite material part to be produced are limited,wherein each of the plurality of openings has an area section that is smaller than 5 mm2,wherein the plurality of openings (44) are arranged along lines that are arranged in a direction of the aerodynamic flows that contact the composite material part to be produced and in staggered rows from each line to each adjacent line, andwherein adjacent openings along any one of the lines are spaced apart at a distance of approximately 50 mm. 2. The device for producing the composite material part according to claim 1, wherein each of the plurality of openings (44) has an approximately circular shape. 3. The device for producing the composite material part according to claim 2, wherein each of the plurality of openings (44) has a diameter that is less than 1 mm. 4. The device for producing the composite material part according to claim 1, wherein the plurality of openings (44) are distributed with a pitch on the order of 50 mm. 5. The device for producing the composite material part according to claim 1, wherein the plate (42) is shaped according to an outside surface of the composite material part to be produced. 6. The device for producing the composite material part according to claim 1, further comprising: a gas evacuating element (46) for evacuating gases collected by the drainage system. 7. The device for producing the composite material part according to claim 6, wherein the gas evacuating element (46) includes a fabric that is interposed between the compacting bladder (34) and the plate (42), and at least one exhaust duct. 8. The device for producing the composite material part according to claim 1, further comprising: a non-perforated film (48) that is liquid-tight but gas-permeable and that is interposed between the composite material part to be produced and the plate (42). 9. The device for producing the composite material part according to claim 1, further comprising: a non-perforated film (48) disposed between the plate (42) and the separating film (50), the non-perforated film being constructed and arranged to prevent flow of liquids and allow flow of the gases. 10. The device for producing the composite material part according to claim 1, wherein the compacting bladder (34) is free of vacuum ports. 11. The device for producing the composite material part according to claim 1, wherein the mold (32) and the compacting bladder (34) delimit a cavity (40) that contains the separating film (50) and the drainage system, andwherein the mold (32) comprises a port in fluid communication with the cavity (40) and configured for connection to a means for generating a negative pressure within the cavity (40). 12. The device for producing the composite material part according to claim 11, wherein the port comprises a hole extending through a thickness of the mold (32). 13. The device for producing the composite material part according to claim 7, wherein the fabric extends over a top of the plate (42) and over an edge of the plate (42), between the compacting bladder (34) and the plate (42), andwherein the exhaust duct of the gas evacuating element (46) is in fluid communication with the port in the mold (32). 14. The device for producing the composite material part according to claim 1, wherein the compacting bladder (34) extends past an outermost perimeter of the plate (42) and over an edge of the plate (42) to form a cavity (40) delimited by the compacting bladder (34) and the mold (32). 15. The device for producing the composite material part according to claim 14, wherein the mold (32) comprises a port in fluid communication with the cavity (40) and configured for connection to a means for generating a negative pressure within the cavity (40). 16. The device for producing the composite material part according to claim 1, wherein the mold (32) has a curved outer surface, and a plurality of said plates (42.1, 42.2, 42.3) are arranged around the curved outer surface of the mold (32). 17. The device for producing the composite material part according to claim 1, wherein the plate is flexible, but not flexible in the manner of a fabric that crumples. 18. The device for producing the composite material part according to claim 9, wherein the separating film (50) is provided directly on a first surface of the non-perforated film (48), and the plate (42) is provided directly on an opposite second surface of the non-perforated film (48). 19. The device for producing the composite material part according to claim 6, wherein the compacting bladder (34) is provided directly on a first surface of the gas evacuating element (46), and the plate (42) is provided directly on a second surface of the gas evacuating element (46). 20. The device for producing the composite material part according to claim 19, further comprising: a non-perforated film (48) disposed between the plate (42) and the separating film (50), the separating film (50) provided directly on a first surface of the non-perforated film (48) and the plate (42) provided directly on an opposite second surface of the non-perforated film (48), the non-perforated film being constructed and arranged to prevent flow of liquids and allow flow of the gases.
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