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    • 1. 发明授权
    • Flow control for power steering
    • 动力转向流量控制
    • US07249608B2
    • 2007-07-31
    • US10959325
    • 2004-10-07
    • Tetsuji HayashiTsunefumi AritaHideyasu Ihira
    • Tetsuji HayashiTsunefumi AritaHideyasu Ihira
    • B62D5/08
    • B62D5/062F15B2013/008Y10T137/2579
    • The flow control device comprises a supply passage (2) for supplying hydraulic fluid discharged by a pump (1) to a power steering output section (8); a variable throttle section (3) situated at an intermediate position of the supply passage (2); and a flow control valve (4) for returning the hydraulic fluid in the supply passage (2) to the pump inlet side, in accordance with a pressure differential between upstream and downstream of the variable throttle section (3). When the pump (1) is halted, the flow control valve (4) is impelled by a spring (13) and closes the variable throttle section (3). A throttle passage (51) is provided for connecting the upstream side and the downstream side of the variable throttle section with the supply passage (2).
    • 所述流量控制装置包括用于将由泵(1)排出的液压流体供给到动力转向输出部(8)的供给通路(2)。 位于供给通道(2)的中间位置的可变节流部(3); 以及根据可变节流部分(3)的上游和下游之间的压差将用于将供给通道(2)中的液压流体返回到泵入口侧的流量控制阀(4)。 当泵(1)停止时,流量控制阀(4)被弹簧(13)推动并关闭可变节流部分(3)。 设置节流通道51,用于将可变节流部的上游侧和下游侧与供给通路2连接。
    • 2. 发明申请
    • Flow control for power steering
    • 动力转向流量控制
    • US20050077099A1
    • 2005-04-14
    • US10959325
    • 2004-10-07
    • Tetsuji HayashiTsunefumi AritaHideyasu Ihira
    • Tetsuji HayashiTsunefumi AritaHideyasu Ihira
    • B62D5/07B62D5/06F15B13/00B62D5/08
    • B62D5/062F15B2013/008Y10T137/2579
    • The flow control device comprises a supply passage (2) for supplying hydraulic fluid discharged by a pump (1) to a power steering output section (8); a variable throttle section (3) situated at an intermediate position of the supply passage (2); and a flow control valve (4) for returning the hydraulic fluid in the supply passage (2) to the pump inlet side, in accordance with a pressure differential between upstream and downstream of the variable throttle section (3). When the pump (1) is halted, the flow control valve (4) is impelled by a spring (13) and closes the variable throttle section (3). A throttle passage (51) is provided for connecting the upstream side and the downstream side of the variable throttle section with the supply passage (2).
    • 所述流量控制装置包括用于将由泵(1)排出的液压流体供给到动力转向输出部(8)的供给通路(2)。 位于供给通道(2)的中间位置的可变节流部(3); 以及根据可变节流部分(3)的上游和下游之间的压差将用于将供给通道(2)中的液压流体返回到泵入口侧的流量控制阀(4)。 当泵(1)停止时,流量控制阀(4)被弹簧(13)推动并关闭可变节流部分(3)。 设置节流通道51,用于将可变节流部的上游侧和下游侧与供给通路2连接。
    • 3. 发明申请
    • Power steering system
    • 动力转向系统
    • US20060000209A1
    • 2006-01-05
    • US11158331
    • 2005-06-22
    • Hisashi TsudaHideyasu IhiraTsunefumi AritaNaoto ShimaNoboru Shimizu
    • Hisashi TsudaHideyasu IhiraTsunefumi AritaNaoto ShimaNoboru Shimizu
    • F16D31/02
    • B62D5/065B62D6/001
    • A steering speed-computing section (81) to differentiate a steering angle of a steering wheel from a steering angle sensor (18) to compute the steering speed signal, a low-pass filter (82) to cut high frequency components in the steering speed signal to output a correction steering speed signal, a switching section (87) to switch the cut-off frequency in the low-pass filter to be higher at the time of determining a high-speed steering condition, and a flow quantity-computing section (85) to compute a target flow quantity supplied to a power steering output section (8) based on the steering angle signal and the correction steering speed signal are provided to control a flow quantity of an operating oil supplied to the power steering output section (8) for the target flow quantity.
    • 一种用于区分方向盘与转向角传感器(18)的转向角度以计算转向速度信号的转向速度计算部(81),用于切换转向速度的高频分量的低通滤波器(82) 信号以输出校正转向速度信号,在确定高速转向条件时将低通滤波器中的截止频率切换为较高的切换部分(87)以及流量计算部分 (85),用于基于转向角信号和修正转向速度信号计算提供给动力转向输出部(8)的目标流量,以控制供给到动力转向输出部的工作油的流量( 8)用于目标流量。
    • 4. 发明授权
    • Power steering system
    • 动力转向系统
    • US07159394B2
    • 2007-01-09
    • US11158331
    • 2005-06-22
    • Hisashi TsudaHideyasu IhiraTsunefumi AritaNaoto ShimaNoboru Shimizu
    • Hisashi TsudaHideyasu IhiraTsunefumi AritaNaoto ShimaNoboru Shimizu
    • B62D5/07B62D6/00
    • B62D5/065B62D6/001
    • A steering speed-computing section (81) to differentiate a steering angle of a steering wheel from a steering angle sensor (18) to compute the steering speed signal, a low-pass filter (82) to cut high frequency components in the steering speed signal to output a correction steering speed signal, a switching section (87) to switch the cut-off frequency in the low-pass filter to be higher at the time of determining a high-speed steering condition, and a flow quantity-computing section (85) to compute a target flow quantity supplied to a power steering output section (8) based on the steering angle signal and the correction steering speed signal are provided to control a flow quantity of an operating oil supplied to the power steering output section (8) for the target flow quantity.
    • 一种用于区分方向盘与转向角传感器(18)的转向角度以计算转向速度信号的转向速度计算部(81),用于切换转向速度的高频分量的低通滤波器(82) 信号以输出校正转向速度信号,在确定高速转向条件时将低通滤波器中的截止频率切换为较高的切换部分(87)以及流量计算部分 (85),用于基于转向角信号和修正转向速度信号计算提供给动力转向输出部(8)的目标流量,以控制供给到动力转向输出部的工作油的流量( 8)用于目标流量。