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公开(公告)号：US20130075186A1
公开(公告)日：2013-03-28
申请号：US13241312
申请日：2011-09-23
IPC分类号： B62D5/06
摘要： An apparatus includes a hydraulic power steering motor. A continuously variable transmission has an input shaft rotatable under the influence of force transmitted from the engine and an output shaft operable to drive a pump. The continuously variable transmission is operable to drive the pump at a first speed when one of the input and output shafts of the continuously variable transmission rotates at a first speed. The continuously variable transmission is operable to drive the pump at a second speed when the one of the input and output shafts rotates at a second speed. A centrifugal sensor is connected with the one of the input and output shafts. The centrifugal sensor transfers rotational movement of the one of the input and output shafts to a linearly displaceable input member of the continuously variable transmission to change the speed at which the pump is driven.
摘要翻译： 一种装置包括液压动力转向电动机。 无级变速器具有在从发动机传递的力的影响下可旋转的输入轴和可操作以驱动泵的输出轴。 当无级变速器的输入轴和输出轴中的一个以第一速度旋转时，无级变速器可操作以以第一速度驱动泵。 当所述输入轴和输出轴之一以第二速度旋转时，所述无级变速器可操作以以第二速度驱动所述泵。 离心传感器与输入轴和输出轴之一连接。 离心式传感器将输入轴和输出轴之一的旋转运动传递到无级变速器的可直线移动的输入构件，以改变泵被驱动的速度。
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公开(公告)号：US20110313621A1
公开(公告)日：2011-12-22
申请号：US13159472
申请日：2011-06-14
申请人： Daniel E. Williams
发明人： Daniel E. Williams
摘要： An apparatus for use in turning steerable vehicle wheels includes a power steering motor assembly connected with the steerable vehicle wheels. An engine driven pump connected with the power steering motor assembly is driven by an engine of the vehicle to supply fluid under pressure to the power steering motor assembly. A controller increases engine speed when the vehicle is motionless and a steering wheel is rotated. A method for controlling the speed of an engine to provide a predetermined steering assist to a steering apparatus includes determining if the vehicle is motionless and determining if the steering wheel is being rotated. The speed of the engine is increased if the vehicle is motionless and the steering wheel is being rotated to provide the predetermined steering assist to the steering apparatus.
摘要翻译： 用于转向可转向车轮的装置包括与可转向车轮连接的动力转向电动机组件。 与动力转向电动机组件连接的发动机驱动泵由车辆的发动机驱动，以将压力下的流体供给到动力转向电动机组件。 当车辆静止并且方向盘旋转时，控制器增加发动机转速。 一种用于控制发动机向转向装置提供预定转向辅助的速度的方法包括确定车辆是否是静止的并且确定方向盘是否正在旋转。 如果车辆不动并且方向盘正在旋转以向转向装置提供预定的转向辅助，则发动机的速度增加。
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公开(公告)号：US20090292421A1
公开(公告)日：2009-11-26
申请号：US12511103
申请日：2009-07-29
CPC分类号： B62D7/144 , B60T8/1755 , B60T2260/022 , B62D5/04 , B62D5/0484 , B62D7/1581 , B62D7/159
摘要： An apparatus for use in turning steerable vehicle wheels upon manual rotation of a hand wheel includes a torque sensor connected with the hand wheel. A controller is connected with the torque sensor and a rear steering gear. The controller is operable to effect operation of the rear steering gear in response to an output from the torque sensor upon manual application of at least a predetermined torque to the hand wheel. The torque sensor has an output which corresponds to a torque which is less than the predetermined torque throughout turning of the front wheels through a first range of turning movement. The torque sensor has an output which corresponds to a torque which is at least as great as the predetermined torque which occurs when turning of the front wheels during a second range of turning movement of the front wheels. The controller is operable to effect operation of the rear steering gear in response to the output from the torque sensor through the first range of turning movement of the front wheels so that the steering angle of the rear wheels has a first relationship to the steering angle of the front wheels. The controller being operable to effect operation of the rear steering gear in response to the output from the torque sensor through the second range of turning movement of the front wheels so that the steering angle of the rear wheels has a second relationship different from the first relationship to the steering angle of the front wheels.
摘要翻译： 用于在手轮旋转时转向可转向车轮的装置包括与手轮连接的转矩传感器。 控制器与扭矩传感器和后舵机连接。 控制器可操作以响应于在手轮上手动施加至少预定扭矩的扭矩传感器的输出来实现后转向器的操作。 转矩传感器具有对应于在前轮经过第一转动范围的转动时小于预定转矩的转矩的输出。 转矩传感器的输出对应于至少与在前轮的第二转动范围内转动前轮时发生的预定转矩一样大的转矩。 控制器可操作以响应于来自转矩传感器的输出，通过前轮的第一转动范围来实现后转向器的操作，使得后轮的转向角与转向角的转向角成为第一关系 前轮。 控制器可操作以响应于扭矩传感器通过前轮的第二转动范围的输出而实现后转向器的操作，使得后轮的转向角具有与第一关系不同的第二关系 到前轮的转向角度。
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公开(公告)号：US20090101429A1
公开(公告)日：2009-04-23
申请号：US11975208
申请日：2007-10-18
申请人： Daniel E. Williams
发明人： Daniel E. Williams
摘要： A steering apparatus (10) for turning steerable wheels of a vehicle in response to rotation of a vehicle steering wheel (12) comprises a first assembly (16), a second assembly (26), and a mechanism (108). The first assembly is operatively coupled to the steering wheel and includes components (18, 22) for monitoring applied torque and angular rotation of the steering wheel. The second assembly includes a steering gear (34) and components (28, 30) for actuating the steering gear in response to the monitored rotation. The mechanism, when in a first mode of operation provides a mechanical connection between the steering wheel and the steering gear. The mechanism when in the second mode of operation, providing a mechanical connection between the steering wheel and the steering gear sufficient to enable manual actuation of the steering gear and permit actuation of the steering gear in response to the monitored steering wheel rotation.
摘要翻译： 一种用于响应于车辆方向盘（12）的旋转而转向车辆的转向轮的转向装置（10）包括第一组件（16），第二组件（26）和机构（108）。 第一组件可操作地联接到方向盘并且包括用于监视方向盘的施加的扭矩和角度旋转的部件（18,22）。 第二组件包括用于响应于所监视的旋转而致动舵机的舵机（34）和部件（28,30）。 当处于第一操作模式时，该机构提供方向盘和舵机之间的机械连接。 当处于第二操作模式时，机构在方向盘和转向装置之间提供足够的机械连接，足以使得能够手动致动转向装置并且响应于所监视的方向盘旋转而允许舵机的致动。
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公开(公告)号：US20080277187A1
公开(公告)日：2008-11-13
申请号：US11801949
申请日：2007-05-11
摘要： An engine driven pump 24 is connected with a power steering motor assembly 18. An electric motor 36 drives a pump 34 connected with the power steering motor assembly 18. A controller 38 effects operation of the electric motor 36 to drive the pump 34 to supply fluid to the power steering motor assembly 18 at a flow rate based on the speed of the engine 28.
摘要翻译： 发动机驱动泵24与动力转向电动机组件18连接。 电动机36驱动与动力转向电动机组件18连接的泵34。 控制器38进行电动马达36的运转，驱动泵34，以基于发动机28的速度的流量向动力转向马达组件18供给流体。
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公开(公告)号：US20080277186A1
公开(公告)日：2008-11-13
申请号：US11801948
申请日：2007-05-11
申请人： Daniel E. Williams
发明人： Daniel E. Williams
IPC分类号： B62D5/06
CPC分类号： B62D5/063
摘要： A power steering apparatus (10) includes a first pump (24) which is continuously driven to supply fluid under pressure to a power steering motor assembly (18). A second pump (32) is driven by the engine (30) of the vehicle when a predetermined vehicle operating condition occurs. The predetermined vehicle operating condition may, if desired, be operation of the engine (30) of a vehicle at a speed which is less than a predetermined speed. A flow control valve (40) directs fluid flow from the first and second pumps to the power steering motor assembly (18) during operation of both pumps. A diverter valve (62) directs fluid from the first pump (24) along a fluid flow path which is spaced from the flow control valve (40) during operation of only the first pump. The first pump (24) may, if desired, be smaller than the second pump (32).
摘要翻译： 动力转向装置（10）包括第一泵（24），该第一泵（24）被连续驱动以在压力下向动力转向电动机组件（18）供应流体。 当发生预定的车辆操作状态时，第二泵（32）由车辆的发动机（30）驱动。 如果需要，预定的车辆操作条件可以以小于预定速度的速度操作车辆的发动机（30）。 在两个泵的操作期间，流量控制阀（40）将流体从第一和第二泵引导到动力转向马达组件（18）。 在仅操作第一泵的操作期间，分流阀（62）沿着与流量控制阀（40）间隔开的流体流动路径引导来自第一泵（24）的流体。 如果需要，第一泵（24）可以小于第二泵（32）。
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公开(公告)号：US07389849B2
公开(公告)日：2008-06-24
申请号：US11085431
申请日：2005-03-21
申请人： Daniel E. Williams
发明人： Daniel E. Williams
IPC分类号： B62D5/06
摘要： An apparatus (10) for use in turning steerable vehicle wheels (12, 14) includes first and second piston and cylinder type hydraulic motors (32, 34) which are connected with a central portion of a vehicle. A steering control valve (24) is operable in response to manual rotation of a steering wheel (18) to effect extension and contraction of the first and second hydraulic motors. A rack and pinion steering gear (110, 114) may be connected with a piston rod (86) of one of the hydraulic motors (32). A secondary control valve (200) may be provided to effect operation of one of the hydraulic motors to a greater extent than the other hydraulic motor.
摘要翻译： 用于转向可转向车轮（12,14）的装置（10）包括与车辆的中心部分连接的第一和第二活塞和气缸型液压马达（32,34）。 转向控制阀（24）响应于方向盘（18）的手动旋转而操作以实现第一和第二液压马达的伸缩。 齿条齿条转向齿轮（110,114）可以与液压马达（32）之一的活塞杆（86）连接。 可以设置二次控制阀（200）以比其他液压马达更大程度地实现一个液压马达的操作。
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公开(公告)号：US06259982B1
公开(公告)日：2001-07-10
申请号：US08013813
申请日：1993-02-02
IPC分类号： B06G17015
CPC分类号： B60G17/016 , B60G17/0152 , B60G2400/102 , B60G2400/252 , B60G2400/61 , B60G2400/63 , B60G2600/124 , B60G2600/16 , B60G2600/182
摘要： An apparatus for controlling a vehicle active suspension system having a plurality of actuatable hydraulic motors, each corner having a motor connecting the sprung mass with its associated unsprung mass. Each motor has an associated spool valve for connecting either of two expandable fluid chambers of said motor to a pump or reservoir. Each corner has an associated force sensor for sensing the force value between its associated unsprung mass and the sprung mass. An analog, closed force loop control circuit provides a valve control signal having a value functionally related to the difference between a sensed force value and a desired force value for a selected corner. The closed loop control circuit includes a variable gain amplifier for controlling the value of the valve control signal as a function of the frequency of variations in the difference between the sensed force value and the desired force value on the selected corner. The amplifier gain is controlled as a function of hub velocity so as to undamp a selected corner and as a function of chassis velocity so as to damp the chassis. A digital processing circuit determines a displacement error value for selected corner. The displacement error value is summed with the valve drive signal. An actuator bump stop arrangement is also provided.
摘要翻译： 一种用于控制具有多个可启动液压马达的车辆主动悬挂系统的装置，每个角部具有连接簧上质量体及其相关联的非簧载质量的马达。 每个电动机具有相关联的滑阀，用于将所述电动机的两个可膨胀流体室中的一个连接到泵或容器。 每个角都有一个相关联的力传感器，用于感测其相关非簧下质量和弹簧质量之间的力值。 模拟闭路力回路控制电路提供阀控制信号，其具有与感测力值和所选角度的期望力值之间的差异功能相关的值。 闭环控制电路包括可变增益放大器，用于根据所检测的力值与所选角度上的期望力值之间的差异的变化频率来控制阀控制信号的值。 放大器增益作为轮毂速度的函数进行控制，以便使选定的角度不起作用，并作为底盘速度的函数，以便使机箱受潮。 数字处理电路确定所选角的位移误差值。 位移误差值与阀门驱动信号相加。 还提供致动器凸块停止装置。
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公开(公告)号：US5709281A
公开(公告)日：1998-01-20
申请号：US528425
申请日：1995-09-14
CPC分类号： B62D6/007 , B62D15/025 , B62D5/0466 , B62D6/008 , G01S2013/9314 , G01S2013/9342
摘要： A vehicle steering apparatus (20) includes a steering feel motor (50). A torque sensor (58) senses steering torque applied by a vehicle driver. A sensor (24) senses a characteristic of a driver and provides a signal indicative thereof. A hazard sensor (44) senses a potential steering hazard. The steering feel motor is controlled in response to the sensed driver characteristic and to any sensed potential steering hazard. Either open-loop or closed-loop control is provided for controlling the feel motor in response to sensed static and dynamic forces.
摘要翻译： 车辆转向装置（20）包括转向触发电动机（50）。 扭矩传感器（58）感测由车辆驾驶员施加的转向扭矩。 传感器（24）感测驾驶员的特征并提供指示驾驶员的信号。 危险传感器（44）感测到潜在的转向危险。 转向感觉电动机是根据感测到的驾驶员特征和任何感测到的潜在驾驶危险来控制的。 提供开环或闭环控制以响应感测到的静态和动态力来控制感觉电动机。
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公开(公告)号：US5098119A
公开(公告)日：1992-03-24
申请号：US673680
申请日：1991-03-22
申请人： Daniel E. Williams , Mark D. Morris
发明人： Daniel E. Williams , Mark D. Morris
IPC分类号： B60G17/018 , B60G17/033 , B60G17/04 , B60G21/06
CPC分类号： B60G17/018 , B60G17/033 , B60G17/04 , B60G21/06 , B60G2202/154 , B60G2202/24 , B60G2204/80 , B60G2400/104 , B60G2400/106 , B60G2400/25 , B60G2400/252 , B60G2400/50 , B60G2500/10 , B60G2500/20
摘要： A semi-active suspension system having a linear actuator operatively connected between a sprung mass and an unsprung mass of the vehicle for each corner of the vehicle. An accumulator connected to the actuator through an electrically controlled valve. An actuatable fluid RAM is in fluid communication with the accumulator for controlling fluid pressure in the accumulator. A hydraulic ram driver is operatively connected to the RAM. A sensor senses force inputs to the vehicle. A controller controls (i) the ram driver for pressurizing the accumulator to a desired fluid pressure, and (ii) the electrically controlled valve in response to sensed force input so as to effect a fluid pressure change in the actuator. Each fluid RAM includes a hydraulic motor having a housing and a piston slidably mounted in the housing. The piston divides the housing into two variable volume fluid chambers, one fluid chamber in fluid communication with the accumulator and a second fluid chamber in communication with the second fluid chambers of each RAM of the other corners of the vehicle. This arrangement permits movement of the piston of the fluid RAM with reduced energy.
摘要翻译： 一种半主动悬架系统，其具有线性致动器，其可操作地连接在车辆的每个角落的车辆的簧上质量块和非簧载质量之间。 通过电控阀连接到执行机构的蓄能器。 可致动流体RAM与蓄能器流体连通以控制蓄能器中的流体压力。 液压柱塞驱动器可操作地连接到RAM。 传感器感测到车辆的力输入。 控制器控制（i）用于将蓄能器加压到所需流体压力的压头驱动器，以及（ii）响应于感测的力输入的电控阀，以便实现致动器中的流体压力变化。 每个流体RAM包括具有壳体和可滑动地安装在壳体中的活塞的液压马达。 活塞将壳体分成两个可变容积的流体室，一个与蓄能器流体连通的流体室和与车辆其它角落的每个RAM的第二流体室连通的第二流体室。 这种布置允许流体RAM的活塞以更低的能量移动。
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