METHOD OF MANUFACTURING AIRCRAFT AEROFOIL
    4.
    发明公开

    公开(公告)号:US20230382061A1

    公开(公告)日:2023-11-30

    申请号:US18249010

    申请日:2021-10-07

    CPC classification number: B29C70/302 B64F5/10 B29L2031/3085

    Abstract: A method of manufacturing an aircraft aerofoil such as a winglet. The aircraft aerofoil includes: a first cover, a second cover, an aerofoil leading edge, and an aerofoil trailing edge where the first and second cover are joined at a trailing edge interface. The first cover is formed by: a lay-up step in which a plurality of fibre plies are laid up to obtain a preform, wherein the preform has a thickness and a preform trailing edge, and the preform is laid up during the lay-up step with a ramp of decreasing thickness where the thickness of the preform decreases towards the preform trailing edge; and a curing step in which the preform is cured to form the first cover, wherein the ramp of decreasing thickness cures during the curing step to form a contact surface of the first cover.

    Systems and methods for constructing a bonded structure

    公开(公告)号:US11685508B2

    公开(公告)日:2023-06-27

    申请号:US16843534

    申请日:2020-04-08

    CPC classification number: B64C3/26 B29C35/0227 B64C3/24 B29L2031/3085 B64F5/10

    Abstract: A bonded structure is described. The bonded structure includes an outer structure including a close tolerance hole associated with a first accuracy level. The bonded structure includes an interior structure comprising an oversized hole associated with a second accuracy level that is different from the first accuracy level. The bonded structure includes an elastomeric grommet disposed in the oversized hole. The bonded structure includes one or more spacers between the outer structure and the interior structure providing a space between the outer structure and the interior structure. The bonded structure includes a fastener positioned in the close tolerance hole and in the oversized hole. The bonded structure includes a bonding media disposed in the space between the outer structure and the interior structure via one or more channels of the fastener. The bonding media, elastomeric grommet, and oversized hole collectively position the interior structure relative to the outer structure.

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