Dual servo hydraulic actuator cylinder for pitch control
    2.
    发明授权
    Dual servo hydraulic actuator cylinder for pitch control 失效
    双伺服液压执行器气缸用于调节控制

    公开(公告)号:US3625632A

    公开(公告)日:1971-12-07

    申请号:US3625632D

    申请日:1969-10-13

    CPC分类号: B64C27/54

    摘要: This invention relates to the mounting of a servo hydraulic actuator for cyclic or collective pitch control of the rotor blades on a helicopter. The actuator is constructed with a cylinder barrel mounted on the frame of the helicopter with a coupling having bearing surfaces shaped to correspond to a portion of a sphere having its center substantially displaced from the coupling toward the pitch horn.