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公开(公告)号：US08726742B2
公开(公告)日：2014-05-20
申请号：US12952842
申请日：2010-11-23
摘要： A torque sensing system having a torque sensor, and a steering system, are provided. The torque sensor includes a first rotor having apertures extending therethrough and bar magnets disposed in the apertures. The torque sensor further includes a second rotor defining an interior region with the first rotor being disposed in the interior region. The second rotor has tooth members extending toward the first rotor. The torque sensor further includes first and second Hall effect sensors disposed in an open region of the second rotor proximate to the first rotor. The first and second Hall effect sensors generate first and second signals, respectively, indicative of an amount of torque applied between the first rotor and the second rotor.
摘要翻译： 提供了一种具有转矩传感器和转向系统的转矩传感系统。 扭矩传感器包括具有延伸穿过其中的孔的第一转子和设置在孔中的棒状磁体。 转矩传感器还包括限定内部区域的第二转子，其中第一转子设置在内部区域中。 第二转子具有向第一转子延伸的齿构件。 转矩传感器还包括设置在靠近第一转子的第二转子的开放区域中的第一和第二霍尔效应传感器。 第一和第二霍尔效应传感器分别产生指示施加在第一转子和第二转子之间的扭矩的量的第一和第二信号。
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公开(公告)号：US20120125138A1
公开(公告)日：2012-05-24
申请号：US12952842
申请日：2010-11-23
摘要： A torque sensing system having a torque sensor, and a steering system, are provided. The torque sensor includes a first rotor having apertures extending therethrough and bar magnets disposed in the apertures. The torque sensor further includes a second rotor defining an interior region with the first rotor being disposed in the interior region. The second rotor has tooth members extending toward the first rotor. The torque sensor further includes first and second Hall effect sensors disposed in an open region of the second rotor proximate to the first rotor. The first and second Hall effect sensors generate first and second signals, respectively, indicative of an amount of torque applied between the first rotor and the second rotor.
摘要翻译： 提供了一种具有转矩传感器和转向系统的转矩传感系统。 扭矩传感器包括具有延伸穿过其中的孔的第一转子和设置在孔中的棒状磁体。 转矩传感器还包括限定内部区域的第二转子，其中第一转子设置在内部区域中。 第二转子具有向第一转子延伸的齿构件。 转矩传感器还包括设置在靠近第一转子的第二转子的开放区域中的第一和第二霍尔效应传感器。 第一和第二霍尔效应传感器分别产生指示施加在第一转子和第二转子之间的扭矩的量的第一和第二信号。
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公开(公告)号：US20120126654A1
公开(公告)日：2012-05-24
申请号：US13251739
申请日：2011-10-03
摘要： A permanent magnet brushless motor is provided. The motor includes a stator having a tubular-shaped member and a plurality of tooth members extending radially inwardly from the tubular-shaped member. Each tooth member has an arcuate-shaped convex surface disposed proximate to an interior region defined by the stator. Each arcuate-shaped convex surface is defined by a first radius that is rotated about a respective center point that is disposed radially outside of the stator. The motor further includes a rotor disposed within the interior region of the stator.
摘要翻译： 提供永磁无刷电动机。 马达包括具有管状构件的定子和从管状构件径向向内延伸的多个齿构件。 每个齿构件具有靠近由定子限定的内部区域设置的弓形凸形表面。 每个弧形凸形表面由围绕设置在定子的径向外侧的相应中心点旋转的第一半径限定。 电动机还包括设置在定子的内部区域内的转子。
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公开(公告)号：US20120130674A1
公开(公告)日：2012-05-24
申请号：US13192867
申请日：2011-07-28
CPC分类号： H02P29/021 , B62D5/0481 , B62D15/021 , B62D15/0235 , H02P29/0241
摘要： A diagnostic system and method for an electric power steering system are provided. The diagnostic system includes a first microprocessor that determines a first relative position value indicating the relative rotational position of the rotatable shaft at the first time based on the signals from first and second position sensors. A second microprocessor determines a second relative position value indicating the relative rotational position of the rotatable shaft at the first time based on the signals from third and fourth position sensors. The first microprocessor determines whether the first relative position value is an acceptable value based on a difference between the first relative position value and the second relative position value.
摘要翻译： 提供了一种用于电动助力转向系统的诊断系统和方法。 诊断系统包括第一微处理器，其基于来自第一位置传感器和第二位置传感器的信号，确定第一相对位置值，该第一相对位置值指示可旋转轴在第一时间的相对旋转位置。 第二微处理器基于来自第三位置传感器和第四位置传感器的信号确定第一相对位置值，该第二相对位置值指示可旋转轴在第一时间的相对旋转位置。 第一微处理器基于第一相对位置值和第二相对位置值之间的差来确定第一相对位置值是否为可接受值。
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公开(公告)号：US07721616B2
公开(公告)日：2010-05-25
申请号：US11556775
申请日：2006-11-06
CPC分类号： F16H1/16 , F16H55/24 , F16H57/0006 , F16H2057/0213 , F16H2057/0225 , Y10T74/19284 , Y10T74/19358 , Y10T74/1955 , Y10T74/19623 , Y10T74/1966 , Y10T74/19828
摘要： Disclosed herein is an apparatus that relates to a gear set. The apparatus includes, a housing, a first gear movable in the housing such that a first axis defined by the first gear is repositionable relative to the housing, a second gear in mesh with the first gear, and a second axis defined by the second gear. The apparatus constrains movement of the first axis to a plane containing both the first axis and a line commonly perpendicular to the first axis and the second axis, and a biasing member that urges the first gear toward the second gear.
摘要翻译： 本文公开了一种涉及齿轮组的装置。 该装置包括壳体，可在壳体中移动的第一齿轮，使得由第一齿轮限定的第一轴线相对于壳体可重新定位，与第一齿轮啮合的第二齿轮和由第二齿轮限定的第二轴线 。 该装置约束第一轴线移动到包含第一轴线和与第一轴线和第二轴线共同垂直的线路的平面以及将第一齿轮朝向第二齿轮推动的偏置构件。
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公开(公告)号：US20080314177A1
公开(公告)日：2008-12-25
申请号：US12142169
申请日：2008-06-19
IPC分类号： B62D3/00
CPC分类号： B62D5/0835 , H02K49/06 , H02K2213/03 , Y10T29/49467
摘要： A method for designing a pole piece for a power assist steering system, includes: selecting a number of teeth, k, for the pole piece where k=n/2 and n represents an even number of poles; and selecting a ratio between an angle made by an inner tooth tip and an outer tooth tip, θtp, and an angle made by a magnet pole width, θmp, to provide a desired torque function for the steering system.
摘要翻译： 一种用于设计用于动力辅助转向系统的极靴的方法，包括：为k = n / 2的极点选择多个齿数k，n表示偶数个极数; 并且选择由内齿尖和外齿尖构成的角度之间的比率，以及由磁极宽度（tamp）制成的角度，以为转向系统提供期望的扭矩功能。
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公开(公告)号：US06851324B2
公开(公告)日：2005-02-08
申请号：US10319952
申请日：2002-12-16
摘要： A variable reluctance rotational displacement sensor with: an annular sleeve; a coil coaxially aligned within the sleeve; a first ring in magnetic communication with the sleeve, coaxially aligned and configured to rotate relative to the sleeve. The first ring including a first plurality of axially directed teeth arranged about a circumference of the ring on a front portion thereof. The sensor also includes a second ring in magnetic communication with the first ring and the sleeve, the second ring coaxially aligned and configured to rotate relative to the first ring and the sleeve and including a second plurality of axially directed teeth configured substantially the same as the first plurality of axially directed teeth and oriented adjacent to the first plurality of axially directed teeth on a rear portion of the second ring. The coil generates a signal responsive to a differential displacement between the first and second rings.
摘要翻译： 可变磁阻旋转位移传感器，其具有：环形套筒; 在套筒内同轴对齐的线圈; 与所述套筒磁连通的第一环，其同轴对准并构造成相对于所述套筒旋转。 第一环包括在其前部上围绕环的圆周布置的第一多个轴向定向的齿。 传感器还包括与第一环和套筒磁连通的第二环，第二环同轴对准并构造成相对于第一环和套筒旋转，并且包括第二多个轴向定向的齿，其基本上与 第一多个轴向定向的齿并且在第二环的后部上邻近第一多个轴向定向的齿定向。 线圈产生响应于第一和第二环之间的差异位移的信号。
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公开(公告)号：US09106175B2
公开(公告)日：2015-08-11
申请号：US13192867
申请日：2011-07-28
IPC分类号： H02P29/02
CPC分类号： H02P29/021 , B62D5/0481 , B62D15/021 , B62D15/0235 , H02P29/0241
摘要： A diagnostic system and method for an electric power steering system are provided. The diagnostic system includes a first microprocessor that determines a first relative position value indicating the relative rotational position of the rotatable shaft at the first time based on the signals from first and second position sensors. A second microprocessor determines a second relative position value indicating the relative rotational position of the rotatable shaft at the first time based on the signals from third and fourth position sensors. The first microprocessor determines whether the first relative position value is an acceptable value based on a difference between the first relative position value and the second relative position value.
摘要翻译： 提供了一种用于电动助力转向系统的诊断系统和方法。 诊断系统包括第一微处理器，其基于来自第一位置传感器和第二位置传感器的信号，确定第一相对位置值，该第一相对位置值指示可旋转轴在第一时间的相对旋转位置。 第二微处理器基于来自第三位置传感器和第四位置传感器的信号确定第一相对位置值，该第二相对位置值指示可旋转轴在第一时间的相对旋转位置。 第一微处理器基于第一相对位置值和第二相对位置值之间的差来确定第一相对位置值是否为可接受值。
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公开(公告)号：US08365628B2
公开(公告)日：2013-02-05
申请号：US12142169
申请日：2008-06-19
CPC分类号： B62D5/0835 , H02K49/06 , H02K2213/03 , Y10T29/49467
摘要： A method for designing a pole piece for a power assist steering system, includes: selecting a number of teeth, k, for the pole piece where k=n/2 and n represents an even number of poles; and selecting a ratio between an angle made by an inner tooth tip and an outer tooth tip, θtp, and an angle made by a magnet pole width, θmp, to provide a desired torque function for the steering system.
摘要翻译： 一种用于设计用于动力辅助转向系统的极靴的方法，包括：为k = n / 2的极点选择多个齿数k，n表示偶数个极数; 并选择内齿尖与外齿尖之间的角度与角度tp之间的比值，以及由磁极宽度所得的角度，以便为转向系统提供期望的转矩功能。
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公开(公告)号：US07021160B2
公开(公告)日：2006-04-04
申请号：US10795908
申请日：2004-03-08
申请人： Eric D. Pattok , Mohammad S. Islam , Matthew W. Mielke , Sainan Feng , Ryan J. Pavlawk , Tomy Sebastian , Christian E. Ross
发明人： Eric D. Pattok , Mohammad S. Islam , Matthew W. Mielke , Sainan Feng , Ryan J. Pavlawk , Tomy Sebastian , Christian E. Ross
IPC分类号： G01L3/02
CPC分类号： G01L3/1435 , G01D5/2451 , G01L3/101 , G01L5/221
摘要： An apparatus for measuring relative displacement between a first shaft and a second shaft includes first and second rotor assemblies. The first rotor assembly is coupled to the first shaft and is centered on an axis. The second rotor assembly is coupled to the second shaft. The second rotor assembly has first and second stator plates. Each of the first and second stator plates includes an upper surface and a lower surface. The upper and lower surfaces are parallel. The first and second stator plates include a plurality of teeth extending in a direction radial of the axis. The first and second stator plates form a gap between the lower surface of the first stator plate and the upper surface of the second stator plate. The apparatus further includes at least one magnet having a magnetic field and disposed on the first rotor assembly and a sensing device disposed within the gap for sensing a magnetic flux of the magnetic field.
摘要翻译： 用于测量第一轴和第二轴之间的相对位移的装置包括第一和第二转子组件。 第一转子组件联接到第一轴并以轴为中心。 第二转子组件联接到第二轴。 第二转子组件具有第一和第二定子板。 第一和第二定子板中的每一个包括上表面和下表面。 上表面和下表面是平行的。 第一和第二定子板包括沿轴线的径向延伸的多个齿。 第一和第二定子板在第一定子板的下表面和第二定子板的上表面之间形成间隙。 该装置还包括至少一个具有磁场并且设置在第一转子组件上的磁体和设置在间隙内的感测装置，用于感测磁场的磁通量。
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