[특허]Splicing of curved acoustic honeycomb

Hexcel Corporation

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Splicing of curved acoustic honeycomb

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E04B-001/82
미국특허분류(USC)	181/229; 181/210; 181/213
출원번호	US-0407846 (2012-02-29)
등록번호	US-8579076 (2013-11-12)
발명자 / 주소	Ayle, Earl Burchett, Rickey L.
출원인 / 주소	Hexcel Corporation
대리인 / 주소	Bielawski, W. Mark
인용정보	피인용 횟수 : 8 인용 특허 : 9

초록

Honeycomb sections are bonded together with seams made up of an adhesive that is carried by a honeycomb seam support or a linked-segment seam support. The seams are particularly useful for splicing together curved honeycomb sections that contain acoustic septum. The curved acoustic honeycomb sections are spliced or seamed together to form engine nacelles and other acoustic dampening structures.

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1. A spliced honeycomb comprising: a first honeycomb section comprising a first edge and a second edge, said first honeycomb section further comprising a plurality of walls that extend between said first and second edges, said walls defining a plurality of honeycomb cells wherein each of said honeycomb cells has a cross-sectional area measured perpendicular to said walls and a depth defined by the distance between said first and second edges, said first honeycomb section further comprising a first honeycomb side that comprises a plurality of protruding honeycomb walls that each comprise a wall end having a length extending between said first edge and said second edge and a thickness;a second honeycomb section comprising a first edge and a second edge, said second honeycomb section further comprising a plurality of walls that extend between said first and second edges, said walls defining a plurality of honeycomb cells wherein each of said honeycomb cells has a cross-sectional area measured perpendicular to said walls and a depth defined by the distance between said first and second edges, said second honeycomb section further comprising a second honeycomb side that comprises a plurality of protruding honeycomb walls that each comprise a wall end having a length extending between said first edge and said second edge and a thickness; anda seam that is located between said first honeycomb section and said second honeycomb section to adhesively bond said first honeycomb side to said second honeycomb side, said seam having a depth extending between said first and second edges of said first and second honeycomb sections, a thickness and a seam length that extends along said first and second sides, said seam comprising an adhesive for bonding to the wall ends of said first and second honeycomb sides and a honeycomb seam support for said adhesive, said honeycomb seam support comprising a first edge located adjacent to said first honeycomb side and a second edge adjacent to said second honeycomb side, said honeycomb seam support further comprising a plurality of walls that extend between said first and second edges of said honeycomb seam support, said walls defining a plurality of seam cells wherein each of said seam cells has a cross-sectional area measured perpendicular to said walls and a thickness defined by the distance between said first and second edges, wherein said adhesive is located in said seam cells. 2. A spliced honeycomb according to claim 1 wherein said honeycomb seam support has a top edge located between the first edges of said first and second honeycomb sections and a bottom edge located between the second edges of said first and second honeycomb sections, wherein the top edge of said honeycomb seam support is curved. 3. A spliced honeycomb according to claim 2 wherein the top edge of said honeycomb seam support is in the form of an arch. 4. A spliced honeycomb according to claim 1 wherein said first and second honeycomb sections comprise acoustic septums located in said honeycomb cells. 5. A spliced honeycomb according to claim 4 wherein said septums comprise septum caps that have been adhesively bonded to the walls of said honeycomb cells. 6. A spliced honeycomb according to claim one wherein the thickness of said seam it is from 1.01 inch to 0.20 inch. 7. An engine nacelle comprising a spliced honeycomb according to claim 4. 8. A jet engine comprising an engine nacelle according to claim 7. 9. A method for splicing honeycomb sections together, said method comprising the steps of: providing a first honeycomb section comprising a first edge and a second edge, said first honeycomb section further comprising a plurality of walls that extend between said first and second edges, said walls defining a plurality of honeycomb cells wherein each of said honeycomb cells has a cross-sectional area measured perpendicular to said walls and a depth defined by the distance between said first and second edges, said first honeycomb section further comprising a first honeycomb side that comprises a plurality of protruding honeycomb walls that each comprise a wall end having a length extending between said first edge and said second edge and a thickness;providing a second honeycomb section comprising a first edge and a second edge, said second honeycomb section further comprising a plurality of walls that extend between said first and second edges, said walls defining a plurality of honeycomb cells wherein each of said honeycomb cells has a cross-sectional area measured perpendicular to said walls and a depth defined by the distance between said first and second edges, said second honeycomb section further comprising a second honeycomb side that comprises a plurality of protruding honeycomb walls that each comprise a wall end having a length extending between said first edge and said second edge and a thickness; andforming a seam that is located between said first honeycomb section and said second honeycomb section to adhesively bond said first honeycomb side to said second honeycomb side, said seam having a depth extending between said first and second edges of said first and second honeycomb sections, a thickness and a seam length that extends along said first and second sides, said seam comprising an adhesive for bonding to the wall ends of said first and second honeycomb sides and a honeycomb seam support for said adhesive, said honeycomb seam support comprising a first edge located adjacent to said first honeycomb side and a second edge adjacent to said second honeycomb side, said honeycomb seam support further comprising a plurality of walls that extend between said first and second edges of said honeycomb seam support, said walls defining a plurality of seam cells wherein each said seam cells has a cross-sectional area measured perpendicular to said walls and a thickness defined by the distance between said first and second edges wherein said adhesive is located in said seam cells. 10. A method for splicing honeycomb together according to claim 9 wherein said honeycomb seam support has a top edge located between the first edges of said first and second honeycomb sections and a bottom edge located between the second edges of said first and second honeycomb sections, the top edge of said honeycomb seam support is curved. 11. A method for splicing honeycomb together according to claim 10 wherein the top edge of said honeycomb seam support is in the form of an arch. 12. A method for splicing honeycomb together according to claim 9 wherein said first and second honeycomb sections comprise acoustic septums located in said honeycomb cells. 13. A method for splicing honeycomb together according to claim 12 wherein said septums comprise septum caps that have been adhesively bonded to the walls of said honeycomb cells. 14. A method for making an engine nacelle that comprises splicing honeycomb together according to claim 12. 15. A method for making a jet engine that comprises making an engine nacelle according to claim 14. 16. A method for splicing honeycomb together according to claim 9 wherein the thickness of said seam is from 0.01 inch to 0.20 inch.

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Splicing of curved acoustic honeycomb

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Splicing of curved acoustic honeycomb

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이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 8

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