首页> 外国专利> MONOLITHIC BLADE, ROTOR OF GIRAVION EQUIPPED WITH SUCH A MONOLITHIC BLADE AND ASSOCIATED GIRAVION

MONOLITHIC BLADE, ROTOR OF GIRAVION EQUIPPED WITH SUCH A MONOLITHIC BLADE AND ASSOCIATED GIRAVION

机译:单片叶片,装有单片叶片的吉拉蓬转子和相关的吉拉维昂

摘要

A monolithic blade of a rotorcraft rotor, the blade comprising at least locally an airfoil zone having a pressure side face and a suction side face. The invention is remarkable in that the blade has a root zone including a finger with a spherical bearing surface arranged at a root end of the blade, a recess suitable for receiving a laminated spherical bearing, and a flexible portion having a preferred direction of deformation in bending about a flapping axis of the blade, the flexible portion being arranged between the finger and the recess.
机译:旋翼飞机旋翼的整体式叶片,该叶片至少局部地包括具有压力侧面和吸力侧面的翼型区。本发明的显着之处在于,叶片具有根部区域,该根部区域包括指状件,该指状件具有布置在叶片根部端的球形支承表面;适合于容纳叠层球形轴承的凹槽;以及柔性部分,其具有优选的变形方向。围绕刀片的拍动轴线弯曲,挠性部分布置在指状物和凹部之间。

著录项

  • 公开/公告号FR3051439B1

    专利类型

  • 公开/公告日2018-06-01

    原文格式PDF

  • 申请/专利权人 AIRBUS HELICOPTERS;

    申请/专利号FR20160000782

  • 发明设计人 ANDRE AMARI;JACQUES GAFFIERO;

    申请日2016-05-17

  • 分类号B64C27/48;

  • 国家 FR

  • 入库时间 2022-08-21 12:33:06

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