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    • 13. 发明授权
    • Hydraulic control system for four-wheel drive torque tranfer mechanism
for vehicle
    • 用于车辆的四轮驱动扭矩传递机构的液压控制系统
    • US4823648A
    • 1989-04-25
    • US427049
    • 1982-09-29
    • Yoichi HayakawaYasunobu Ito
    • Yoichi HayakawaYasunobu Ito
    • B60K17/344B60K17/348B60K23/08F16H61/04F16H63/44B60K41/22
    • F16H61/04B60K17/344F16H63/44Y10S477/908Y10T477/613Y10T477/6934
    • A hydraulic control system for a four-wheel drive torque transfer mechanism for a vehicle, including an automatic transmission, a transfer mechanism having a two-wheel drive direct-coupling gear (H.sub.2), a four-wheel drive direct-coupling gear (H.sub.4) and a reduced-speed four-wheel drive gear (L.sub.4) and a hydraulic control circuit for controlling the transmission and the transfer mechanism. The transfer mechanism includes a reduction gear mechanism, a first output shaft, a second output shaft connected to the first output shaft by means of a linkage, a four-wheel drive clutch for rotatably connecting and disconnecting the first and second output shafts, a direct-coupling clutch for connecting and disconnecting the input shaft of the reduction gear mechanism and the first output shaft and a reduction brake for shifting the reduction gear mechanism into the reduced-speed mode. The hydraulic control circuit includes a modulator valve capable of supplying a fluid of a reduced pressure when the transfer mechanism is established in the four-wheel drive direct-coupling gear so that the coupling torque of the four-wheel drive clutch is reduced and supplying a fluid of an increased pressure when the transfer mechanism is established in the reduced-speed four-wheel drive gear so that the coupling torque of the four-wheel drive clutch is increased.
    • 一种用于车辆的四轮驱动扭矩传递机构的液压控制系统,包括自动变速器,具有两轮驱动直接联接齿轮(H2)的传送机构,四轮驱动直接联接齿轮(H4) )和减速四轮驱动齿轮(L4)和用于控制变速器和转移机构的液压控制回路。 传动机构包括减速齿轮机构,第一输出轴,通过连接件连接到第一输出轴的第二输出轴,用于可旋转地连接和断开第一和第二输出轴的四轮驱动离合器,直接 用于连接和断开减速齿轮机构的输入轴和第一输出轴的联动离合器以及用于将减速机构转换为降速模式的减速制动器。 液压控制回路包括调节阀,当调节机构建立在四轮驱动直接联接齿轮中时,能够提供减压流体,从而减小四轮驱动离合器的联接扭矩并提供一个 当传动机构建立在低速四轮驱动齿轮中时,增加压力的液体,使得四轮驱动离合器的联接扭矩增加。
    • 14. 发明授权
    • Navigation apparatus for a vehicle
    • 车辆导航装置
    • US06266613B1
    • 2001-07-24
    • US08714808
    • 1996-09-17
    • Mitsuhiro NimuraYasunobu ItoHiroyoshi MasudaTakeshi Yano
    • Mitsuhiro NimuraYasunobu ItoHiroyoshi MasudaTakeshi Yano
    • G01C2134
    • G01C21/3632G08G1/0969
    • In a navigation apparatus for a vehicle, an entire route from a start point to a destination is determined and the vehicle is guided to the destination in accordance with the determined route. In the navigation apparatus, an entire route from a start point to a destination is first determined. Route determination is performed for a part of the entire route in accordance with a request of a user, and the entire route to the destination is determined again based on the result of the determination performed for the part of the entire route. The navigation apparatus has a first remaining-distance displaying unit and a second remaining-distance displaying unit. The first remaining distance display unit displays an arrow indicating the route and the remaining distance to an intersection. The second remaining-distance display unit deletes the display of the distance provided by the first remaining-distance display unit and changes the length of the arrow, which indicates the route, as the vehicle advances.
    • 在车辆的导航装置中,确定从起点到目的地的整个路线,并且根据所确定的路线将车辆引导到目的地。 在导航装置中,首先确定从起点到目的地的整个路线。 根据用户的请求对整个路线的一部分进行路线确定,并且基于对整个路线的一部分执行的确定的结果再次确定到目的地的整个路线。 导航装置具有第一剩余距离显示单元和第二剩余距离显示单元。 第一剩余距离显示单元显示指示路线的箭头和到交叉路口的剩余距离。 第二剩余距离显示单元删除由第一剩余距离显示单元提供的距离的显示,并且当车辆前进时改变表示路线的箭头的长度。
    • 20. 发明授权
    • Method of and apparatus for controlling motor vehicle during speed
change operation
    • 变速运转时机动车辆控制方法及装置
    • US4933851A
    • 1990-06-12
    • US207721
    • 1988-06-16
    • Yasunobu ItoKenji Suzuki
    • Yasunobu ItoKenji Suzuki
    • B60W10/04B60W10/06B60W10/10B60W10/11F16H59/46F16H61/04F16H61/10F16H63/40F16H63/50
    • B60W30/18B60W10/04B60W10/11B60W30/1819B60W2510/1005F16H37/042F16H59/46F16H63/502Y10T477/67Y10T477/677
    • In engine torque control in a motor vehicle having an engine and a stepping type of transmission, input and output speeds of the transmission are constantly detected by sensors disposed in input and output portions of the transmission, thereby obtaining a gear ratio (measured value) of the transmission. If the ratio of the difference between this gear ratio and a predetermined gear ratio before the gearshift (theoretical value) to the latter gear ratio before the gearshift exceeds a predetermined value, the start of gearshift is decided. If the ratio of the difference between the gear ratio of the transmission (measured value) and a predetermined gear ratio after the gearshift (theoretical value) to the latter gear ratio after the gearshift becomes smaller than a predetermined value, the end of gearshift is decided. A set level by which the torque of the engine should be reduced during the period between the start and end of the gearshift is determined by reading reduction data previously set with respect to the throttle opening and the type of gearshift. The torque output from the engine is reduced on the basis of the reduction data by controlling the ignition timing retardation angle or the fuel injection rate.
    • 在具有发动机和步进式变速器的机动车辆的发动机转矩控制中,通过设置在变速器的输入和输出部分的传感器不断地检测变速器的输入和输出速度,从而获得变速器的传动比(测量值) 传输。 如果变速前的变速比与变速前的预定齿轮比(理论值)与后齿轮比之间的差的比率超过规定值,则判定变速开始。 如果变速器的变速比(测量值)与变速后的预定齿轮比(理论值)与变速后的后齿轮比之间的差的比率变得小于预定值,则确定变速结束 。 在换挡开始和结束之间的期间,发动机扭矩应减小的设定水平是通过读取先前关于节气门开度设定的减速数据和换档类型来确定的。 基于减少数据,通过控制点火正时延迟角度或燃料喷射速度来减小发动机的扭矩输出。