公开(公告)号：US07264080B2

公开(公告)日：2007-09-04

申请号：US11092641

申请日：2005-03-29

申请人： Joel E. Birsching ,  Scott E. Weiss ,  Sanket S. Amberkar

发明人： Joel E. Birsching ,  Scott E. Weiss ,  Sanket S. Amberkar

IPC分类号： B62D5/08 ,  B62D5/22

CPC分类号： B62D5/0835

摘要： The invention provides a method for controlling valve stiffness in a power steering system. The method includes the step of engaging a pinion and a spool shaft with respect to one another for turning at least two wheels of a vehicle in response to rotation of a steering wheel from an on-center orientation. The method also includes the step of variably assisting movement of the pinion with a hydraulic power steering device having a valve movable between a closed configuration and an open configuration. The method also includes the step of moving the valve from the open configuration to the closed configuration in response to rotation of the spool shaft relative to the pinion from an on-center orientation to assist the pinion in rotation for turning the at least two wheels. The method also includes the step of first disposing a torsion rod having a first stiffness between the pinion and spool shaft to resist rotation of the spool shaft relative to the pinion from the on-center orientation and resist movement of the valve from the open configuration to the closed configuration. The method also includes the step of second disposing a magnetic coupling having a variable second stiffness in parallel with the torsion rod to resist rotation of the spool shaft relative to the pinion from the on-center orientation and resist movement of the valve from the open configuration to the closed configuration. The first stiffness and the variable second stiffness cooperate to define an overall valve stiffness. The method also includes the step of varying the variable second stiffness generated by the magnetic coupling with an electric coil to vary the overall valve stiffness. The method also includes the step of maximizing the variable second stiffness generated by the magnetic coupling when the spool shaft and the pinion are on-center with respect to one another.

摘要翻译： 本发明提供了一种用于控制动力转向系统中的阀刚度的方法。 该方法包括相对于彼此接合小齿轮和卷轴的步骤，以响应于方向盘从中心方位的转动而转动车辆的至少两个车轮。 该方法还包括可变地辅助小齿轮与液压动力转向装置的运动的步骤，该液压动力转向装置具有可在关闭构型和打开构型之间移动的阀。 该方法还包括将阀从打开构型移动到闭合构型的步骤，以响应卷筒轴相对于小齿轮的转动而从中心方向移动，以帮助小齿轮旋转以转动至少两个轮。 该方法还包括以下步骤：首先在小齿轮和卷轴之间设置具有第一刚度的扭杆，以阻止卷筒轴相对于小齿轮从中心取向的旋转，并阻止阀从打开构型移动到 关闭配置。 该方法还包括以下步骤：第二次布置具有与扭杆平行的可变的第二刚度的磁耦合，以抵抗卷轴从相对于小齿轮的中心取向的转动，并阻止阀从打开构型移动 到关闭配置。 第一刚度和可变第二刚度协作以确定整体阀刚度。 该方法还包括通过电线圈改变由磁耦合产生的可变第二刚度以改变整体阀刚度的步骤。 该方法还包括当卷轴和小齿轮相对于彼此在中心时最大化由磁耦合产生的可变第二刚度的步骤。

公开(公告)号：US5445240A

公开(公告)日：1995-08-29

申请号：US285682

申请日：1994-08-04

申请人： Cunningham. Edward V. ,  Joel E. Birsching

发明人： Cunningham. Edward V. ,  Joel E. Birsching

IPC分类号： B29C45/14 ,  B62D6/02 ,  B62D5/08

CPC分类号： B62D6/02 ,  B29C45/14336

摘要： A permanent magnet assembly for an electromagnetic mechanism in a motor vehicle power steering gear includes a metal ring having a plurality of radially oriented permanent magnets defined thereon and a plastic retaining hub attached to the metal ring. The metal ring has an annular end wall, an internal annular shoulder facing the opposite direction from the end wall, and a plurality of V-shaped notches in the end wall. Each V-shaped notch has a pair of flat sides converging at a linear junction tipped back from the plane of the annular end wall. A plastic retaining hub is formed by injection molding plastic in a mold cavity to which the end wall of the metal ring is exposed so that, upon curing of the injection molded plastic, the end wall of the metal ring is seated against an annular side of a socket in a rim of the retaining hub, integral V-shaped lugs on the retaining hub protrude into the V-shaped notches, and a lip of the retaining hub closes behind the internal annular shoulder. Dimensional shrinkage of the plastic retaining hub during curing effects a frictional driving connection between the metal ring and the plastic retaining hub and wedges the V-shaped lugs into the V-shaped notches.

摘要翻译： 一种用于机动车辆动力转向装置中的电磁机构的永磁体组件包括：金属环，其具有限定在其上的多个径向取向的永磁体和附接到金属环的塑料保持毂。 金属环具有环形端壁，面向与端壁相反的方向的内部环形肩部和端壁中的多个V形凹口。 每个V形凹口具有一对平坦的边，它们在从环形端壁的平面向后倾斜的直线连接处会聚。 塑料保持毂通过在模腔中注射成型而形成，金属环的端壁暴露在该模腔中，使得在注塑塑料固化时，金属环的端壁抵靠环形侧 在保持毂的边缘处的插座，保持衬套上的整体V形凸耳突出到V形凹口中，并且保持衬套的唇缘封闭在内部环形肩部的后面。 固化期间塑料保持座的尺寸收缩会影响金属环和塑料保持座之间的摩擦驱动连接，并将V形凸耳楔入V形槽口。

公开(公告)号：US07793752B2

公开(公告)日：2010-09-14

申请号：US11810572

申请日：2007-06-06

申请人： Timothy W. Kaufmann ,  Joel E. Birsching

发明人： Timothy W. Kaufmann ,  Joel E. Birsching

IPC分类号： B62D5/06

CPC分类号： B62D5/0835 ,  B62D5/06

摘要： A method of determining a direction of a power boost applied to a power cylinder of a variable effort power steering system includes measuring a pressure of a hydraulic fluid between a pump and a control valve. A first position of the hand wheel is detected and initialized when the pressure is within a pre-defined equilibrium pressure range. A second position of the hand wheel is detected in response to rotational movement of the hand wheel. The first position and the second position of the hand wheel are measured in cumulative degrees rotated left or right of a on-center orientation of the hand wheel. The second position is subtracted from the first position to obtain a differential value representing the direction of the power boost. A negative differential value represents a first direction and a positive differential value represents a second direction of the power boost.

摘要翻译： 确定施加到可变力动力转向系统的动力缸的功率提升的方向的方法包括测量泵和控制阀之间的液压流体的压力。 当压力在预定的平衡压力范围内时，检测并初始化手轮的第一位置。 响应于手轮的旋转运动来检测手轮的第二位置。 手轮的第一位置和第二位置以手轮的中心方向左右旋转的累积度来测量。 从第一位置减去第二位置，以获得表示功率提升方向的差分值。 负微分值表示第一方向，正差分值表示功率提升的第二方向。

公开(公告)号：US07364006B2

公开(公告)日：2008-04-29

申请号：US11122337

申请日：2005-05-05

申请人： Joel E. Birsching ,  Henry Yang ,  Martin P. Sheridan ,  Stephen J. Reider ,  Jeffrey M. Powell

发明人： Joel E. Birsching ,  Henry Yang ,  Martin P. Sheridan ,  Stephen J. Reider ,  Jeffrey M. Powell

IPC分类号： B62D5/06

CPC分类号： B62D6/04 ,  B62D5/0835

摘要： A power assist steering system including a valve housing and a proportional control valve supported within the valve housing, further includes a pressure transducer arranged with respect to the proportional control valve for determining an amount of actuation of the proportional control valve. A pressure signal is sent from the pressure transducer to a control for determining an amount of current to be sent to an electromagnetic apparatus within the power assist steering system for overcoming a pull force.

摘要翻译： 一种动力辅助转向系统，包括阀壳体和支撑在阀壳体内的比例控制阀，还包括相对于比例控制阀布置的压力传感器，用于确定比例控制阀的致动量。 压力信号从压力传感器发送到用于确定要发送到动力辅助转向系统内的电磁装置的电流量以用于克服拉力的控制器。

公开(公告)号：US08862324B2

公开(公告)日：2014-10-14

申请号：US13357162

申请日：2012-01-24

申请人： Joel E. Birsching

发明人： Joel E. Birsching

IPC分类号： B62D5/04 ,  B62D6/08

CPC分类号： B62D5/0463 ,  B62D5/0472

摘要： A control system for controlling an electric power steering system is provided. The control system includes a first module that estimates a damping force based on an assist torque and a handwheel velocity. A second module generates a control signal based on the estimated damping force.

摘要翻译： 提供一种用于控制电动助力转向系统的控制系统。 控制系统包括：第一模块，其基于辅助扭矩和手轮速度来估计阻尼力。 第二模块基于估计的阻尼力产生控制信号。

公开(公告)号：US20090223581A1

公开(公告)日：2009-09-10

申请号：US12371707

申请日：2009-02-16

申请人： Kevin P. Douglas ,  Jens Haupt ,  Joel E. Birsching ,  Bryan W. Cowan

发明人： Kevin P. Douglas ,  Jens Haupt ,  Joel E. Birsching ,  Bryan W. Cowan

IPC分类号： B62D5/083

CPC分类号： B62D5/08 ,  B62D5/06 ,  B62D5/083 ,  Y10T137/86654

摘要： A gear housing for a power steering system defines a valve bore, a pressure port, a plurality of orifices opening into the valve bore and a plurality of passageways interconnecting the plurality of orifices and the pressure port. The plurality of orifices direct a power steering fluid into the valve bore at multiple locations within the valve bore, thereby providing a balanced flow of the power steering fluid into the valve bore. The plurality of orifices is disposed about a bore axis, with each of the orifices angularly spaced about the bore axis relative to all of the other orifices.

摘要翻译： 用于动力转向系统的齿轮壳体限定了阀孔，压力端口，通向阀孔中的多个孔，以及将多个孔和压力端口互连的多个通道。 多个孔口将动力转向流体引导到阀孔内的多个位置处的阀孔内，从而提供动力转向流体到阀孔中的平衡流动。 多个孔围绕孔轴线设置，其中每个孔相对于所有其它孔围绕孔轴线成角度地间隔开。

公开(公告)号：US4836566A

公开(公告)日：1989-06-06

申请号：US203849

申请日：1988-06-08

申请人： Joel E. Birsching

发明人： Joel E. Birsching

IPC分类号： B62D7/15

CPC分类号： B62D7/1536

摘要： In a four-wheel steering system for automotive vehicles of the type having a front rack and pinion steering gear of the front wheels and a rear rack and pinion steering gear for the rear wheels, a gear box is disposed between the control shaft from the front steering gear and the pinion shaft of the rear steering gear. A crank assembly having a variable eccentricity wrist pin is disposed on the end of the control shaft within the gear box. The wrist pin is slidably received in a track on a gear sector in the gear box. The gear sector meshes with a spur gear on the end of the rear pinion shaft within the gear box. In a null position of the wrist pin, the latter is on the axis of rotation of the control shaft so that no rear steering occurs. When the wrist pin is moved from the null position and the control shaft rotated, the gear sector is pivoted in a direction corresponding to the direction of displacement of the wrist pin thereby to rotate the spur gear and steer the rear wheels.

摘要翻译： 在具有前轮的前齿条和小齿轮舵机以及用于后轮的后齿条和小齿轮舵机的机动车辆的四轮转向系统中，齿轮箱从前方设置在控制轴之间 后转向装置的转向齿轮和小齿轮轴。 具有可变偏心腕销的曲柄组件设置在齿轮箱内的控制轴的端部上。 手腕销可滑动地容纳在齿轮箱中的齿轮部分上的轨道中。 齿轮部分与齿轮箱内后齿轮轴端部的正齿轮啮合。 在腕针的零位置，后者位于控制轴的旋转轴上，从而不会发生后转向。 当腕销从零位置移动并且控制轴旋转时，齿轮部分沿与腕针的位移方向相对应的方向枢转，从而旋转正齿轮并转向后轮。

公开(公告)号：US08589031B2

公开(公告)日：2013-11-19

申请号：US13397363

申请日：2012-02-15

申请人： Joel E. Birsching ,  Ashok Chandy

发明人： Joel E. Birsching ,  Ashok Chandy

IPC分类号： B62D6/00

CPC分类号： B62D5/0463

摘要： A control system for a steering system is provided. The control system includes a direction determination module, a position determination module, and a final command module. The direction determination module determines a change in a handwheel torque. The position determination module determines a position on a hysteresis loop. The position on the hysteresis loop depends on the change in the handwheel torque. The final command module determines a final assist value based on the position. The final command module generates an assist command.

摘要翻译： 提供了一种用于转向系统的控制系统。 控制系统包括方向确定模块，位置确定模块和最终命令模块。 方向确定模块确定手轮扭矩的变化。 位置确定模块确定磁滞回线上的位置。 磁滞回线上的位置取决于手轮扭矩的变化。 最终命令模块基于位置确定最终辅助值。 最终命令模块生成辅助命令。

公开(公告)号：US20120232755A1

公开(公告)日：2012-09-13

申请号：US13357162

申请日：2012-01-24

申请人： Joel E. Birsching

发明人： Joel E. Birsching

IPC分类号： B62D6/08 ,  B62D5/04

CPC分类号： B62D5/0463 ,  B62D5/0472

摘要： A control system for controlling an electric power steering system is provided. The control system includes a first module that estimates a damping force based on an assist torque and a handwheel velocity. A second module generates a control signal based on the estimated damping force.

摘要翻译： 提供一种用于控制电动助力转向系统的控制系统。 控制系统包括：第一模块，其基于辅助扭矩和手轮速度来估计阻尼力。 第二模块基于估计的阻尼力产生控制信号。

公开(公告)号：US20120209475A1

公开(公告)日：2012-08-16

申请号：US13397363

申请日：2012-02-15

申请人： Joel E. Birsching ,  Ashok Chandy

发明人： Joel E. Birsching ,  Ashok Chandy

IPC分类号： B62D6/00 ,  B62D5/04

CPC分类号： B62D5/0463

摘要： A control system for a steering system is provided. The control system includes a direction determination module, a position determination module, and a final command module. The direction determination module determines a change in a handwheel torque. The position determination module determines a position on a hysteresis loop. The position on the hysteresis loop depends on the change in the handwheel torque. The final command module determines a final assist value based on the position. The final command module generates an assist command.

摘要翻译： 提供了一种用于转向系统的控制系统。 控制系统包括方向确定模块，位置确定模块和最终命令模块。 方向确定模块确定手轮扭矩的变化。 位置确定模块确定磁滞回线上的位置。 磁滞回线上的位置取决于手轮扭矩的变化。 最终命令模块基于位置确定最终辅助值。 最终命令模块生成辅助命令。