Propeller blade with modified spar stiffness.
    1.
    发明公开
    Propeller blade with modified spar stiffness. 审中-公开
    PropellerflügelmitveränderterHolmsteifigkeit

    公开(公告)号:EP2660144A1

    公开(公告)日:2013-11-06

    申请号:EP12305483.5

    申请日:2012-04-30

    IPC分类号: B64C11/26 F01D5/28

    摘要: A propeller blade (200) includes a foam core (204), a structural layer (206) formed of multiple layers that surrounds at least a portion of the foam core (204) and at least one section of fibers (230;240) formed separately from the structural layer (206) located between two of the multiple layers.

    摘要翻译: 螺旋桨叶片(200)包括泡沫芯(204),由多个层形成的结构层(206),其围绕泡沫芯(204)的至少一部分和形成的至少一部分纤维(230; 240)形成 与位于多个层中的两个之间的结构层(206)分开。