Steering control device and steering control method of motor vehicle
    1.
    发明申请
    Steering control device and steering control method of motor vehicle 有权
    机动车转向控制装置及转向控制方法

    公开(公告)号:US20050159866A1

    公开(公告)日:2005-07-21

    申请号:US10513924

    申请日:2003-06-12

    CPC分类号: B62D5/003

    摘要: A first system and a second system include a first motor and a second motor for driving a steering mechanism in dependence on the rotational manipulation of a steering wheel. A first ECU and a second ECU mutually monitor abnormalities of the systems each to stop an abnormal system. When the respective systems are normal, the first ECU and the second ECU drivingly control the first motor and the second motor of their own systems to drive the steering mechanism by cooperation of the respective motors. When either one of the both systems is abnormal, the ECU of the other system solely drivingly controls the motor of its own system thereby to drive the steering mechanism. Thus, it can be realized to make the systems low in cost irrespective of the provision of the plural systems.

    摘要翻译: 第一系统和第二系统包括根据方向盘的旋转操纵来驱动转向机构的第一电动机和第二电动机。 第一ECU和第二ECU相互监视系统的异常以阻止异常系统。 当各个系统正常时,第一ECU和第二ECU驱动地控制其自身系统的第一电动机和第二电动机,以通过各个电动机的协作来驱动转向机构。 当两个系统中的任一个异常时,另一个系统的ECU仅驱动地控制其自身系统的电动机,从而驱动转向机构。 因此,可以实现使得系统成本低,而不考虑多个系统的设置。

    Steering control device and steering control method of motor vehicle
    2.
    发明授权
    Steering control device and steering control method of motor vehicle 有权
    机动车转向控制装置及转向控制方法

    公开(公告)号:US07433767B2

    公开(公告)日:2008-10-07

    申请号:US10513924

    申请日:2003-06-12

    IPC分类号: B62D6/00 H02P7/74 G06F19/00

    CPC分类号: B62D5/003

    摘要: A first system and a second system include a first motor and a second motor for driving a steering mechanism in dependence on the rotational manipulation of a steering wheel. A first ECU and a second ECU mutually monitor abnormalities of the systems each to stop an abnormal system. When the respective systems are normal, the first ECU and the second ECU drivingly control the first motor and the second motor of their own systems to drive the steering mechanism by cooperation of the respective motors. When either one of the both systems is abnormal, the ECU of the other system solely drivingly controls the motor of its own system thereby to drive the steering mechanism. Thus, it can be realized to make the systems low in cost irrespective of the provision of the plural systems.

    摘要翻译: 第一系统和第二系统包括根据方向盘的旋转操纵来驱动转向机构的第一电动机和第二电动机。 第一ECU和第二ECU相互监视系统的异常以阻止异常系统。 当各个系统正常时,第一ECU和第二ECU驱动地控制其自身系统的第一电动机和第二电动机,以通过各个电动机的协作来驱动转向机构。 当两个系统中的任一个异常时,另一个系统的ECU仅驱动地控制其自身系统的电动机,从而驱动转向机构。 因此,可以实现使得系统成本低,而不管多个系统的设置。

    Hydraulic power steering apparatus
    4.
    发明授权
    Hydraulic power steering apparatus 失效
    液压动力转向装置

    公开(公告)号:US5577573A

    公开(公告)日:1996-11-26

    申请号:US357757

    申请日:1994-12-16

    IPC分类号: B62D5/06 B62D6/02

    CPC分类号: B62D5/062 B62D6/02

    摘要: A hydraulic power steering system includes a pump, a flow control valve, and a bypass control valve. The flow control valve responds to a pressure drop across a metering orifice disposed in a fluid supply passage so as to control the flow rate of operating fluid by bypassing a part of the operating fluid to a reservoir. A spring chamber of the flow control valve is connected to the supply passage through a control orifice. The bypass control valve is disposed between the spring chamber and the reservoir so as to increase the amount of bypassed fluid by controlling the pressure in the spring chamber. The bypass control valve has a control spool, a load pressure introduction port connected to the upstream side of the control orifice for leading the load pressure to a first end of the control spool and a pilot port connected to the downstream side of the control orifice for leading the pressure in the spring chamber of the flow control valve to a second end of the control spool. Moreover, a pressure receiving area of the second end of the control spool is smaller than that of the first end of the control spool. Accordingly, a spring having a small spring constant can be used in the bypass control valve, even when the control spool is controlled within a short stroke. Further, the control spool, the load pressure introduction port, and the pilot port are formed in a sleeve.

    摘要翻译: 液压动力转向系统包括泵,流量控制阀和旁通控制阀。 流量控制阀响应设置在流体供应通道中的计量孔的压降,以便通过将一部分工作流体绕过储存器来控制工作流体的流量。 流量控制阀的弹簧室通过控制孔连接到供给通道。 旁通控制阀设置在弹簧室和储存器之间,以通过控制弹簧室中的压力来增加旁路流体的量。 旁通控制阀具有控制阀芯,连接到控制孔的上游侧的负载压力引入口,用于将负载压力引导到控制阀芯的第一端,以及连接到控制孔的下游侧的先导端口, 将流量控制阀的弹簧室中的压力引导到控制阀芯的第二端。 此外,控制阀芯的第二端的受压面积小于控制阀芯的第一端的受压面积。 因此,即使控制阀芯在短行程内被控制,也可以在旁通控制阀中使用弹簧常数小的弹簧。 此外,控制阀芯,负载压力引入口和先导端口形成在套筒中。

    Hydraulic power steering apparatus
    5.
    发明授权
    Hydraulic power steering apparatus 失效
    液压动力转向装置

    公开(公告)号:US5439070A

    公开(公告)日:1995-08-08

    申请号:US75307

    申请日:1993-06-11

    摘要: A power steering apparatus having a hydraulic pump for outputting a pressurized fluid, an assist force generation mechanism hydraulically connected to the pump through a supply passage to generate an assist force in response to rotation of a steering wheel, wherein the assist force generation mechanism has a characteristic that the back pressure thereof increases when the steering wheel is rotated. The power steering apparatus further comprises a flow control valve having a spool which is moved in response to a pressure drop at a metering orifice disposed in the middle of the supply passage, so as to control the flow rate of the pressurized fluid to be constant. The spring chamber of the flow control valve is connected to a reservoir through a drain passage, and a drain valve is disposed in the drain passage for allowing the flow of pressurized fluid from the spring chamber to the reservoir when the back pressure of the assist force generation mechanism is low, and for prohibiting the flow of the pressurized fluid when the back pressure of the assist force generation mechanism increases.

    摘要翻译: 一种动力转向装置,其具有用于输出加压流体的液压泵,辅助力产生机构,其通过供给通道与泵液压连接,以产生响应于方向盘旋转的辅助力,其中辅助力产生机构具有 其特征在于当方向盘旋转时其背压增加。 动力转向装置还包括流量控制阀,该流量控制阀具有响应于设置在供给通道中间的计量孔口处的压降而移动的阀芯,以便控制加压流体的流量恒定。 流量控制阀的弹簧室通过排水通道连接到储存器,并且排水阀设置在排水通道中,用于当加压流体从弹簧室流到储存器时,当辅助力的背压 发电机构低,并且当辅助力产生机构的背压增加时禁止加压流体的流动。

    Magnetic liquid application method and apparatus
    7.
    发明授权
    Magnetic liquid application method and apparatus 失效
    磁性液体施用方法及装置

    公开(公告)号:US4831961A

    公开(公告)日:1989-05-23

    申请号:US111477

    申请日:1987-10-16

    摘要: A method and apparatus for applying a magnetic liquid to a moving web by using an extruder head for ejecting the magnetic liquid onto the web. A by-pass line for returning the liquid to a feed source through a changeover valve is provided immediately upstream to the extruder head. The liquid is supplied to the by-pass line through the valve after the extruder head is filled with the liquid before the first starting of the application or the resumption thereof. The position of the valve is shifted at the time of the first starting of the application or the resumption thereof so as to supply the liquid to the head to perform the application.

    摘要翻译: 一种用于通过使用用于将磁性液体喷射到幅材上的挤出机头将磁性液体施加到移动幅材上的方法和装置。 用于通过切换阀将液体返回到进料源的旁路线设置在挤出机头的紧邻的上游。 在第一次施加开始之前,在挤出机头部充满液体之后,将液体通过阀门供给到旁通管线,或者在其恢复之后。 阀的位置在施加的第一次启动时被移位或者恢复,以将液体供应到头部以执行应用。

    Hydraulic power steering apparatus
    9.
    发明授权
    Hydraulic power steering apparatus 失效
    液压动力转向装置

    公开(公告)号:US5474145A

    公开(公告)日:1995-12-12

    申请号:US304923

    申请日:1994-09-13

    IPC分类号: B62D5/07 B62D5/06 B62D6/02

    CPC分类号: B62D6/02 B62D5/062

    摘要: A hydraulic power steering system includes a pump, a flow control valve, and a bypass control valve. The flow control valve responds to a pressure drop across a metering orifice disposed in a fluid supply passage so as to control the flow rate of operational fluid by bypassing part of the operational fluid to a reservoir. A spring chamber of the flow control valve is connected to the supply passage through a control orifice. The bypass control valve is disposed between the spring chamber and the reservoir so as to increase the amount of bypassed fluid by controlling the pressure in the spring chamber. The bypass control valve has a control spool, a load pressure introduction port connected to the upstream side of the control orifice for leading the load pressure to a first end of the control spool and a pilot port connected to the downstream side of the control orifice for leading the pressure in the spring chamber of the flow control valve to a second end of the control spool. Moreover, a pressure receiving area of the second end of the control spool is smaller than that of the first end of the control spool. Accordingly, a spring having a small spring constant can be used in the bypass control valve, even when the control spool is controlled within a short stroke.

    摘要翻译: 液压动力转向系统包括泵,流量控制阀和旁通控制阀。 流量控制阀响应设置在流体供应通道中的计量孔的压降,以便通过将部分操作流体旁路到储存器来控制操作流体的流速。 流量控制阀的弹簧室通过控制孔连接到供给通道。 旁通控制阀设置在弹簧室和储存器之间,以通过控制弹簧室中的压力来增加旁路流体的量。 旁通控制阀具有控制阀芯,连接到控制孔的上游侧的负载压力引入口,用于将负载压力引导到控制阀芯的第一端,以及连接到控制孔的下游侧的先导端口, 将流量控制阀的弹簧室中的压力引导到控制阀芯的第二端。 此外,控制阀芯的第二端的受压面积小于控制阀芯的第一端的受压面积。 因此,即使控制阀芯在短行程内被控制,也可以在旁通控制阀中使用弹簧常数小的弹簧。

    Hydraulic power steering apparatus
    10.
    发明授权
    Hydraulic power steering apparatus 失效
    液压动力转向装置

    公开(公告)号:US5778756A

    公开(公告)日:1998-07-14

    申请号:US828366

    申请日:1997-03-28

    CPC分类号: B62D5/06

    摘要: A hydraulic power steering apparatus includes a fluid pump, a power cylinder, a reservoir, and a control valve connected to the pump via a supply passage including a high pressure hose and connected to the reservoir via a drain passage. The power steering apparatus also includes a bypass passage provided between the supply passage and the drain passage, and a check valve which is disposed in the bypass passage to allow operation fluid to flow only in a direction from the drain passage to the supply passage. The power steering apparatus can supply a sufficient amount of operation fluid to the power cylinder even when a steering wheel is abruptly turned or when an opposing force is input from a tire.

    摘要翻译: 液压动力转向装置包括流体泵,动力缸,储存器和通过包括高压软管的供给通道连接到泵的控制阀,并且经由排水通道连接到储存器。 动力转向装置还包括设置在供给通道和排出通道之间的旁通通道,以及设置在旁通通道中的止回阀,以允许操作流体仅沿着从排放通道到供给通道的方向流动。 动力转向装置即使在方向盘突然转动时或者从轮胎输入相反的力量时,也能向动力缸提供足够量的操作流体。