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1. 发明申请

US20040200929A1 BALL SCREW ACTUATOR FOR AIRCRAFT CONTROL SURFACES 失效
标题翻译：用于飞机控制表面的滚珠丝杠执行器
公开(公告)号：US20040200929A1
公开(公告)日：2004-10-14
申请号：US10642603
申请日：2003-08-19
申请人： UMBRA CUSCINETTI S.P.A.
发明人： Federico Perni , Sandro Capolungo , Luciano Pizzoni
IPC分类号： B64C015/00
CPC分类号： F16H25/205 , B64C13/28 , F16H25/2204 , F16H25/2472
摘要： A ball screw actuator for aircraft control surfaces comprises a lead screw, motor means to set the screw in rotation about its longitudinal axis and a primary body connected to a control surface and engaged on the control screw by means of a plurality of balls movable on the thread of said screw. A secondary body is connected to the primary body and has an auxiliary portion provided with an engagement surface facing the thread of the lead screw at a predetermined distance; the engagement surface is shaped to engage on the thread of said lead screw. The actuator further comprises means for uncoupling the secondary body from the auxiliary portion in the rotation motion about the longitudinal axis.
摘要翻译：用于飞行器控制表面的滚珠丝杠致动器包括导螺杆，用于将螺钉围绕其纵向轴线旋转的马达装置和连接到控制表面的主体，并且借助于可在其上移动的多个球接合在控制螺钉上所述螺丝的螺纹。副主体连接到主体并且具有辅助部分，其设置有以预定距离面对着丝杠螺纹的接合表面; 接合表面成形为接合在所述丝杠的螺纹上。致动器还包括用于在围绕纵向轴线的旋转运动中使副主体与辅助部分脱离联接的装置。

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