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公开(公告)号：US20090250288A1
公开(公告)日：2009-10-08
申请号：US12384181
申请日：2009-04-01
IPC分类号： B62D5/04
CPC分类号： B62D3/12 , B62D3/126 , B62D5/0409 , F16H55/0806 , F16H55/0853 , F16H55/26 , Y10T74/1967 , Y10T74/19953
摘要： An electric power steering apparatus 10 has an electric motor 46 for supplying an auxiliary force to a steering force inputted from a steering wheel 16, and transmits the steering force including the auxiliary force to a steered road-wheel 14 at least partially via a rack-and-pinion mechanism 30, thereby performing steering of a vehicle 12. The rack-and-pinion mechanism 30 includes: a pinion 38 provided at a pinion shaft 28 connected to the steering wheel 16; a rack 40 that is provided over a predetermined width at a rack shaft 32 connected to the steered road-wheel 14, and that is engaged with the pinion 38; and a rack guide 70 for urging the rack shaft 32 toward the pinion 38. A pressure angle α1 of a tooth root of the rack 40 is set to be greater than a pressure angle α0 of a tooth tip of the rack 40.
摘要翻译： 电动助力转向装置10具有用于向从方向盘16输入的转向力提供辅助力的电动机46，并且至少部分地经由机架式转向装置将包括辅助力的转向力传递给转向车轮14， 齿轮齿条机构30包括：小齿轮38，其设置在与方向盘16连接的小齿轮轴28处; 在与转向车轮14连接并与小齿轮38接合的齿条轴32上设置有预定宽度的齿条40; 以及用于将齿条轴32朝向小齿轮38推压的齿条引导件70.齿条40的齿根的压力角α1被设定为大于齿条40的齿尖的压力角α0。
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公开(公告)号：US08181549B2
公开(公告)日：2012-05-22
申请号：US12384181
申请日：2009-04-01
CPC分类号： B62D3/12 , B62D3/126 , B62D5/0409 , F16H55/0806 , F16H55/0853 , F16H55/26 , Y10T74/1967 , Y10T74/19953
摘要： An electric power steering apparatus 10 has an electric motor 46 for supplying an auxiliary force to a steering force inputted from a steering wheel 16, and transmits the steering force including the auxiliary force to a steered road-wheel 14 at least partially via a rack-and-pinion mechanism 30, thereby performing steering of a vehicle 12. The rack-and-pinion mechanism 30 includes: a pinion 38 provided at a pinion shaft 28 connected to the steering wheel 16; a rack 40 that is provided over a predetermined width at a rack shaft 32 connected to the steered road-wheel 14, and that is engaged with the pinion 38; and a rack guide 70 for urging the rack shaft 32 toward the pinion 38. A pressure angle α1 of a tooth root of the rack 40 is set to be greater than a pressure angle α0 of a tooth tip of the rack 40.
摘要翻译： 电动助力转向装置10具有用于向从方向盘16输入的转向力提供辅助力的电动机46，并且至少部分地经由机架式转向装置将包括辅助力的转向力传递给转向车轮14， 齿轮齿条机构30包括：小齿轮38，其设置在与方向盘16连接的小齿轮轴28处; 在与转向车轮14连接并与小齿轮38接合的齿条轴32上设置有预定宽度的齿条40; 以及用于将齿条轴32朝向小齿轮38推压的齿条引导件70.齿条40的齿根的压力角α1被设定为大于齿条40的齿尖的压力角α0。
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公开(公告)号：US07870805B2
公开(公告)日：2011-01-18
申请号：US12287272
申请日：2008-10-07
申请人： Tsuyoshi Matsuo , Yasuo Shimizu , Katsuji Watanabe
发明人： Tsuyoshi Matsuo , Yasuo Shimizu , Katsuji Watanabe
CPC分类号： B62D3/123 , F16H55/283 , F16H55/286 , Y10T74/1967
摘要： A rack-and-pinion steering apparatus in which a steering gear box for transmitting an operation of a steering wheel to road wheels includes a pinion operatively connected to the steering wheel, a rack bar which has a rack meshing with the pinion, and which is operatively connected to the road wheels, a housing slidably supporting the rack bar, a cylindrical rack guide slidably fitted into a guide hole formed in the housing, and a spring member causing the rack guide to abut on a rear part of the rack bar opposite to the rack by biasing the rack guide. A reaction force, which the rack guide receives from the rack bar, acts on the rack guide in such a way as to cause a rotational moment of the rack guide about an axis different from an axis of the rack guide.
摘要翻译： 一种齿轮齿条转向装置，其中用于将方向盘操作传递到车轮的转向齿轮箱包括可操作地连接到方向盘的小齿轮，具有与小齿轮啮合的齿条的齿条， 可操作地连接到所述车轮，可滑动地支撑所述齿条的壳体，可滑动地装配到形成在所述壳体中的引导孔中的圆柱形齿条引导件和使所述齿条引导件邻接在与所述齿条相对的齿条上的后部的弹簧构件 机架通过偏置机架导轨。 机架引导件从机架杆接收的反作用力以使得齿条引导件的旋转力矩绕与齿条引导件的轴线不同的轴线的方式作用在齿条引导件上。
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公开(公告)号：US20090107271A1
公开(公告)日：2009-04-30
申请号：US12287272
申请日：2008-10-07
申请人： Tsuyoshi Matsuo , Yasuo Shimizu , Katsuji Watanabe
发明人： Tsuyoshi Matsuo , Yasuo Shimizu , Katsuji Watanabe
CPC分类号： B62D3/123 , F16H55/283 , F16H55/286 , Y10T74/1967
摘要： A rack-and-pinion steering apparatus in which a steering gear box for transmitting an operation of a steering wheel to road wheels includes a pinion operatively connected to the steering wheel, a rack bar which has a rack meshing with the pinion, and which is operatively connected to the road wheels, a housing slidably supporting the rack bar, a cylindrical rack guide slidably fitted into a guide hole formed in the housing, and a spring member causing the rack guide to abut on a rear part of the rack bar opposite to the rack by biasing the rack guide. A reaction force, which the rack guide receives from the rack bar, acts on the rack guide in such a way as to cause a rotational moment of the rack guide about an axis different from an axis of the rack guide.
摘要翻译： 一种齿轮齿条转向装置，其中用于将方向盘操作传递到车轮的转向齿轮箱包括可操作地连接到方向盘的小齿轮，具有与小齿轮啮合的齿条的齿条， 可操作地连接到所述车轮，可滑动地支撑所述齿条的壳体，可滑动地装配到形成在所述壳体中的引导孔中的圆柱形齿条引导件和使所述齿条引导件邻接在与所述齿条相对的齿条上的后部的弹簧构件 机架通过偏置机架导轨。 机架引导件从机架杆接收的反作用力以使得齿条引导件的旋转力矩绕与齿条引导件的轴线不同的轴线的方式作用在齿条引导件上。
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