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    • 3. 发明授权
    • Device for varying lade pitch of a lift rotor
    • 用于改变升降机转子叶节距的装置
    • US09181811B2
    • 2015-11-10
    • US13671906
    • 2012-11-08
    • AIRBUS HELICOPTERS
    • Serge Germanetti
    • B64C27/615B64C27/605F01D7/00B64C27/06B64C27/00B64C27/72
    • F01D7/00B64C27/001B64C27/06B64C27/605B64C27/615B64C2027/7294Y02T50/34
    • The present invention relates to a device (10) for varying blade pitch of a rotary wing aircraft (50) having a main rotor (11) with a plurality of blades (12), each blade (12) including at least one main flap (13) fastened to the trailing edge of the blade (12). The angle of inclination of each flap (13) is controlled via a swashplate (20). The device (10) makes provision for electric actuators controlled by a flight control system (54) to be mounted in a stationary frame of reference for the purpose of moving and varying the angle of inclination of the non-rotary plate of the swashplate (20). The electric actuators provide primary flight control and also multi-cyclic control for the purpose of attenuating noise and vibration as generated in particular by the blades (12) and the rotor (11).
    • 本发明涉及一种用于改变具有多个叶片(12)的主转子(11)的旋转翼飞机(50)的叶片间距的装置(10),每个叶片(12)包括至少一个主翼片 13)固定到叶片(12)的后缘。 每个翼片(13)的倾斜角度通过旋转斜盘(20)进行控制。 为了移动和改变旋转盘(20)的非旋转板的倾斜角度,装置(10)使得由飞行控制系统(54)控制的电致动器的安装被安装在固定的参考系中 )。 电致动器提供初级飞行控制和多循环控制,用于衰减特别是由叶片(12)和转子(11)产生的噪声和振动。
    • 10. 发明申请
    • DEVICE FOR VARYING BLADE PITCH OF A LIFT ROTOR
    • 用于改变升降转子叶片的装置
    • US20130119187A1
    • 2013-05-16
    • US13671906
    • 2012-11-08
    • Eurocopter
    • Serge Germanetti
    • F01D7/00B64C27/06
    • F01D7/00B64C27/001B64C27/06B64C27/605B64C27/615B64C2027/7294Y02T50/34
    • The present invention relates to a device (10) for varying blade pitch of a rotary wing aircraft (50) having a main rotor (11) with a plurality of blades (12), each blade (12) including at least one main flap (13) fastened to the trailing edge of the blade (12). The angle of inclination of each flap (13) is controlled via a swashplate (20). The device (10) makes provision for electric actuators controlled by a flight control system (54) to be mounted in a stationary frame of reference for the purpose of moving and varying the angle of inclination of the non-rotary plate of the swashplate (20). The electric actuators provide primary flight control and also multi-cyclic control for the purpose of attenuating noise and vibration as generated in particular by the blades (12) and the rotor (11).
    • 本发明涉及一种用于改变具有多个叶片(12)的主转子(11)的旋转翼飞机(50)的叶片间距的装置(10),每个叶片(12)包括至少一个主翼片 13)固定到叶片(12)的后缘。 每个翼片(13)的倾斜角度通过旋转斜盘(20)进行控制。 为了移动和改变旋转盘(20)的非旋转板的倾斜角度,装置(10)使得由飞行控制系统(54)控制的电致动器的安装被安装在固定的参考系中 )。 电致动器提供初级飞行控制和多循环控制,用于衰减特别是由叶片(12)和转子(11)产生的噪声和振动。