[특허]Panel for acoustic treatment comprising a junction between two parts and process for the reparation of a panel for acoustic treatment

Airbus Operations SAS

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Panel for acoustic treatment comprising a junction between two parts and process for the reparation of a panel for acoustic treatment

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E04B-001/82
미국특허분류(USC)	181/292; 181/284; 181/290
출원번호	US-0370479 (2012-02-10)
등록번호	US-8469146 (2013-06-25)
우선권정보	FR-11 51080 (2011-02-10)
발명자 / 주소	Bornert-Dano, Veronique
출원인 / 주소	Airbus Operations SAS
대리인 / 주소	Young & Thompson
인용정보	피인용 횟수 : 2 인용 특허 : 7

초록
▼

An acoustic treatment panel includes two portions with edges spaced in one direction, and from the outside to the inside, a first acoustically resistive layer, a first alveolar structure, and a reflective layer, and a block inserted between the two edges which includes, from the outside to the inside, a second acoustically resistive layer arranged at the first acoustically resistive layer and a second alveolar structure. The block includes at least one sector of alveolar structures with sloped pipes whose height is less than that of the first alveolar structure, whereby the pipes are sloped in a direction such that the ends of the pipes are close to one of the edges of the portions at the first acoustically resistive layer, and the opposite ends of the pipes are moved away from the edge and the reflective layer so as to house connecting elements between the block and the panel.

대표
청구항
▼

1. An acoustic treatment panel comprising: at least two portions with edges (64) that are spaced in at least one direction and with, from outside to inside, a first acoustically resistive layer (54), at least one first alveolar structure (56), and a reflective layer (58), and,a block (66) that is inserted between the two edges (64) that comprises, from the outside to the inside, a second acoustically resistive layer (68) that connects to said first acoustically resistive layer (54) of the two portions (56) and at least one alveolar second structure (70),wherein the block (66) further comprises at least one sector of alveolar structures with sloped pipes (74), the sloped pipes (74) having a first height less than a second height of the first alveolar structure (56),wherein said sloped pipes (74) are sloped in a direction such that first ends of the sloped pipes are close to one of the edges of the portions at the first acoustically resistive layer (54), and opposite second ends of said sloped pipes are moved away from said one of the edges and the reflective layer (58) of the two portions in such a way as to house connecting means between said block (66) and said panel. 2. The acoustic treatment panel according to claim 1, wherein the sloped pipes (74) form a non-zero angle to a normal to the second acoustically resistive layer within a range of 10 to 30°. 3. The acoustic treatment panel according to claim 2, wherein the sloped pipes (74) form an angle α to the normal to the second acoustically resistive layer on the order of 30°. 4. The acoustic treatment panel according to claim 1: wherein the block (66) comprises several sectors (86) of alveolar structures,wherein each sector has a suitable slope direction such that the opposite second ends of the sloped pipes that are oriented in the direction of the reflective layer (58) are directed toward a center of the block, with the block having a hollow shape (88, 90) in a central part under the second acoustically resistive layer (68). 5. The acoustic treatment panel according to claim 4: wherein the block (66) comprises two sectors of alveolar structures, with the two sectors having opposite slope directions,wherein the opposite second ends of the sloped pipes (74) of a first sector of the two sectors are oriented in a first direction and the opposite second ends of the sloped pipes (74) of a second sector of the two sectors are oriented in a second direction that is opposite to the first. 6. The acoustic treatment panel according to claim 1, wherein the block (66) comprises a packing structure (80) that is made integral with the alveolar second structure (70) with a rear surface (82) that can be flattened against the reflective layer (58) of the panel and at least one side wall (84) that can be mounted adjacent to the edges (64). 7. A process for repair of an acoustic treatment panel that comprises, from outside to inside, a first acoustically resistive layer (54), at least one first alveolar structure (56), and a reflective layer (58), the process comprising, removing a portion of the first alveolar structure (56) and the first acoustically resistive layer (56) in such a way as to obtain a recess (62) that is delimited by at least one side wall (64) that is essentially perpendicular to the reflective layer (58) and/or to the acoustically resistive layer (54),producing a block (66) that comprises, from the outside to the inside, a second acoustically resistive structure (68) that defines a front surface and at least one second alveolar structure (70), with the front surface of the block (66) having a contour (72) whose shapes are adapted to those of the recess (62) when the second acoustically resistive layer (68) of the block (66) is connected to the first acoustically resistive layer (54), andplacing said block (66) in said recess (62), wherein the second alveolar structure (70) of the block (66) comprises sloped pipes (74) having a first height less than a second height of the first alveolar structure (56),wherein the sloped pipes (74) are sloped in such a way that, over at least a portion of the contour of the recess (62), said sloped pipes are contiguous with the side wall (64) of the recess (62) at the acoustically resistive layer (54) and are moved away from the side wall (64) of the recess (62) close to the reflective layer (58). 8. The process for repair of an acoustic treatment panel according to claim 7, wherein the sloped pipes (74) form a non-zero angle to a normal to the second acoustically resistive layer within a range of 10 to 30°. 9. The process for repair of an acoustic treatment panel according to claim 8, wherein the sloped pipes (74) form an angle α to the normal to the second acoustically resistive layer on the order of 30°. 10. The process for repair of an acoustic treatment panel according to claim 7, wherein the block (66) comprises several sectors (86) of alveolar structures, each sector having a suitable slope direction such that the opposite second ends of the pipes that are oriented in the direction of the reflective layer (58) are directed toward a center of the block, with the block having a hollow shape (88, 90) in a central part under the second acoustically resistive layer (68). 11. The process for repair of an acoustic treatment panel according to claim 10: wherein the recess (62) is a rectangular or square recess (62),wherein the block (66) comprises four sectors (86) that are delimited by diagonals of the square or rectangular recess with a hollow pyramidal shape (88) in the central part under the acoustically resistive layer (68). 12. The process for repair of an acoustic treatment panel according to claim 7, wherein the block (66) comprises a packing structure (80) that is made integral with the second alveolar structure (70) with a rear surface (82) that can be flattened against the reflective layer (58) and at least one side wall (84) that can be mounted adjacent to the edges (64). 13. The process for repair of an acoustic treatment panel according to claim 8, wherein the block (66) comprises several sectors (86) of alveolar structures, each sector having a suitable slope direction such that the opposite second ends of the pipes that are oriented in the direction of the reflective layer (58) are directed toward a center of the block, with the block having a hollow shape (88, 90) in a central part under the second acoustically resistive layer (68). 14. The process for repair of an acoustic treatment panel according to claim 9, wherein the block (66) comprises several sectors (86) of alveolar structures, each sector having a suitable slope direction such that the opposite second ends of the pipes that are oriented in the direction of the reflective layer (58) are directed toward a center of the block, with the block having a hollow shape (88, 90) in a central part under the second acoustically resistive layer (68). 15. The acoustic treatment panel according to claim 2: wherein the block (66) comprises several sectors (86) of alveolar structures,wherein each sector has a suitable slope direction such that the opposite second ends of the sloped pipes that are oriented in the direction of the reflective layer (58) are directed toward a center of the block, with the block having a hollow shape (88, 90) in a central part under the second acoustically resistive layer (68). 16. The acoustic treatment panel according to claim 3: wherein the block (66) comprises several sectors (86) of alveolar structures,wherein each sector has a suitable slope direction such that the opposite second ends of the sloped pipes that are oriented in the direction of the reflective layer (58) are directed toward a center of the block, with the block having a hollow shape (88, 90) in a central part under the second acoustically resistive layer (68). 17. An acoustic treatment panel comprising: a reflective layer (58);two primary alveolar structures (56) connected to a surface of the reflective layer (58);two primary acoustically resistive layers (54) connected to each of the two primary alveolar structures (56); anda block (66) connected to the surface of the reflective layer (58) between the two primary alveolar structures (56) and the two primary acoustically resistive layers (54);wherein the block includes a secondary acoustically resistive layer (68) connected to and disposed between the two primary acoustically resistive layers (54);wherein the block includes a secondary alveolar structure disposed between the two primary alveolar structures (56);wherein the secondary alveolar structure includes a sector of sloped pipes (74) having a first height less than a second height of the two primary alveolar structures;wherein the sloped pipes (74) are non parallel with vertical pipes of the two primary alveolar structures.

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Panel for acoustic treatment comprising a junction between two parts and process for the reparation of a panel for acoustic treatment

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Panel for acoustic treatment comprising a junction between two parts and process for the reparation of a panel for acoustic treatment

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이 특허에 인용된 특허 (7)

이 특허를 인용한 특허 피인용횟수: 2

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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