6.
    实用新型
    失效

    公开(公告)号:JPH0357600Y2

    公开(公告)日:1991-12-27

    申请号:JP9086386

    申请日:1986-06-13

    WING CONSISTING OF COMPOSITE MATERIAL AND MANUFACTURE THEREOF

    公开(公告)号:JPS6452595A

    公开(公告)日:1989-02-28

    申请号:JP14273988

    申请日:1988-06-09

    申请人: AEROSPATIALE

    摘要: PURPOSE: To improve shock resistance by constructing a root part connected to a blade footing of a shell having an aerodynamic profile by extending a roving bundle fixed in the shell to the outside, and forming the same into a loop shape in a blade such as a tail rotor or the like of a helicopter. CONSTITUTION: This blade is provided with a shell 4 having a desired aerodynamic profile in a running part extended from the blade tip 2 to the blade footing 3. The shell 4 has a suction face cover 4b and a pressure face cover 4a extended from the leading edge 5 of the blade to the trailing edge. This blade further has a root part 8, which is formed into a loop shape from two bundle parts 8a, 8b made by Keplerian roving integrated by synthetic impregnated resin to surround a socket 9 for attaching a hub. The respective bundle parts 8a, 8b are formed as extension parts of two roving bundle parts 10a, 10b made adhere to the inner surfaces of the opposite parts of the respective covers 4a, 4b.

    プロペラ組立体
    10.
    发明专利

    公开(公告)号:JP2019532870A

    公开(公告)日:2019-11-14

    申请号:JP2019522928

    申请日:2017-09-27

    IPC分类号: B64C11/26 B64C11/18

    摘要: プロペラ羽根(18)が、付根(32)から先端(34)へと径方向に広がり、前縁(36)から、前縁(36)から離間された後縁(38)へと軸方向に広がり、前縁と後縁との間に翼型(39)を形成し、スイープ線(62)が、翼弦線(46)に沿って位置決めされる点を通じて適合されるスプライン(40、42)として定められ得る。プロペラ羽根(18)は、前縁(36)または後縁(38)を定める少なくとも1つのスプライン(40、42)を有する。