循环球式动力转向系统

Abstract

一种循环球式动力转向系统,该动力转向系统包括操作地连接至输入构件的输入轴,和操作地连接至转向臂的扇形齿轮。第一滚珠螺杆被形成在输入轴上。第一滚珠螺母围绕第一滚珠螺杆且通过多个滚珠轴承与其处于扭矩传递连通中。第一齿条被刚性地附连至第一滚珠螺母,且与扇形齿轮啮合用于与其一起传递扭矩。第二滚珠螺杆与第一滚珠螺杆实质上不同轴线。第二滚珠螺母围绕第二滚珠螺杆且通过滚珠轴承与第二滚珠螺杆处于扭矩传递连通中。第二齿条与扇形齿轮啮合用于与其一起传递扭矩。电马达被配置为通过第二滚珠螺杆选择性地供应扭矩给扇形齿轮。

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    Patent Citations (7)

      Publication numberPublication dateAssigneeTitle
      CN-1647984-AAugust 03, 2005北京理工大学Circular ball type electric booster steering device
      CN-1688472-AOctober 26, 2005日本精工株式会社Electric power steering apparatus
      US-5327986-AJuly 12, 1994Unisia Jecs CorporationElectric motor drive-type power steering system
      US-6691819-B2February 17, 2004Delphi Technologies, Inc.Actuator for active front wheel steering system
      US-6695092-B2February 24, 2004Delphi Technologies, Inc.Steering actuator system
      US-6705424-B2March 16, 2004Mitsubishi Denki Kabushiki KaishaVehicle steering system
      US-7290638-B2November 06, 2007Hitachi, Ltd.Electric power steering system

    NO-Patent Citations (0)

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      Publication numberPublication dateAssigneeTitle