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    • 4. 发明授权
    • Automatic transmission control system
    • 自动变速器控制系统
    • US06347557B1
    • 2002-02-19
    • US09556100
    • 2000-04-20
    • Shoji AsatsukeTatsuyuki OhashiTakamichi ShimadaTakayuki YamaguchiHideki Wakamatsu
    • Shoji AsatsukeTatsuyuki OhashiTakamichi ShimadaTakayuki YamaguchiHideki Wakamatsu
    • F16H6118
    • F16H61/16F16H61/0206F16H61/0246F16H61/0286F16H61/12Y10T74/1926
    • An automatic transmission comprises a plurality of clutches 11˜15, which are provided to select power transmission paths, respectively, in a parallel shaft speed change mechanism TM and a plurality of shift valves 60˜68, which are used for controlling the supply and drain of hydraulic oil to and from these clutches. For this automatic transmission, a control system comprises a plurality of solenoid valves 81˜85, which are used for controlling the supply and drain of a line pressure so as to control the actuation of these shift valves. This system, when the shift lever is manipulated to set the neutral range, sets the transmission into either a first neutral mode or a second neutral mode depending upon the speed of the vehicle, the first neutral mode being set when the vehicle is driving at a speed equal to or more than a critical speed, and the second neutral mode being set when the vehicle speed is less than the critical speed. In this control, the combination of on/off operations of the solenoid valves for setting the first neutral mode is different from the combination for setting the second neutral mode.
    • 一种自动变速器包括多个离合器11〜15,它们分别设置在平行轴变速机构TM和多个换档阀60〜68中选择动力传递路径,用于控制供油和排水 的液压油往返于这些离合器。 对于这种自动变速器,控制系统包括多个电磁阀81〜85,其用于控制​​管路压力的供给和排出以控制这些换档阀的致动。 该系统当变速杆被操纵以设定中立范围时,根据车辆的速度将变速器设定为第一空档模式或第二空档模式,当车辆行驶时设定第一空档模式 速度等于或大于临界速度,并且当车辆速度小于临界速度时,第二空档模式被设定。 在该控制中,用于设定第一空档模式的电磁阀的开/关操作的组合与用于设定第二空档模式的组合不同。
    • 5. 发明授权
    • Automatic transmission control system
    • 自动变速器控制系统
    • US06345548B1
    • 2002-02-12
    • US09618718
    • 2000-07-18
    • Tatsuyuki OhashiShouji AsatsukeHideki WakamatsuTakayuki YamaguchiTakamichi Shimada
    • Tatsuyuki OhashiShouji AsatsukeHideki WakamatsuTakayuki YamaguchiTakamichi Shimada
    • F16H6112
    • F16H61/12F16H59/08F16H61/0206F16H61/0286F16H61/16F16H61/682F16H2059/683F16H2061/1208F16H2061/1232F16H2061/1264F16H2061/1268F16H2061/1284F16H2306/00Y10S477/906Y10T74/1926
    • An automatic transmission comprises a plurality of clutches 11˜15, which are provided to select power transmission paths, respectively, in a parallel shaft speed change mechanism TM and a plurality of shift valves 60˜68, which are used for controlling the supply and drain of hydraulic pressure to and from these clutches. For this automatic transmission, a control system comprises a forward/reverse selection hydraulic servomechanism 70 and a plurality of solenoid valves 81˜85, which are used for controlling the supply and drain of a line pressure so as to control the actuation of these shift valves and the forward/reverse selection hydraulic servomechanism. The system further comprises a hydraulic switch 93 which detects the hydraulic pressure supplied into the right side oil chamber 73 of the forward/reverse selection hydraulic servomechanism 70 and a hydraulic switch 92 which detects the hydraulic pressure of the SECOND speed clutch 12, whose pressure is generated from the pressure in the right side oil chamber 73. The system determines whether the forward drive range is set correctly or not, based on a result of pressure detection by these hydraulic switches 92 and 93.
    • 一种自动变速器包括多个离合器11〜15,它们分别设置在平行轴变速机构TM和多个换档阀60〜68中选择动力传递路径,用于控制供油和排水 从这些离合器的液压压力。 对于该自动变速器,控制系统包括前/后选择液压伺服机构70和多个电磁阀81〜85,其用于控制​​管路压力的供给和排出,以便控制这些换档阀的致动 和前进/后退选择液压伺服机构。 该系统还包括液压开关93,其检测向前/后退选择液压伺服机构70供给到右侧油室73中的液压;以及液压开关92,其检测二速离合器12的液压,压力为 由右侧油室73中的压力产生。根据这些液压开关92和93的压力检测结果,系统确定前进驱动范围是否正确设定。
    • 8. 发明授权
    • Control system for automatic vehicle transmission
    • 自动车辆传动控制系统
    • US6085139A
    • 2000-07-04
    • US964351
    • 1997-11-04
    • Norio NakauchiTatsuyuki Ohashi
    • Norio NakauchiTatsuyuki Ohashi
    • F16H59/08F16H59/40F16H59/66F16H61/02F16H59/04
    • F16H61/0213F16H59/66B60W2550/142F16H2059/006F16H2059/0239F16H2059/663F16H59/40Y10T477/65
    • A control system for an automatic vehicle transmission which has auto-shifting means or auto-shift mode for determining a gear to be shifted to in accordance with predetermined gearshift scheduling characteristics in response to the detected vehicle speed and the engine load, and manual-shifting means or manual-shift mode for determining a gear to be shifted to in response to a manual-shift command generated by the vehicle driver. The system further includes auto-downshifting means or sub-auto-shift mode for determining a gear to be downshifted to if the detected vehicle speed is less than a threshold value when the manual-shifting means is in operation. In the system it is estimated whether the vehicle is hill climbing or hill descending, and the threshold value is increasing when the vehicle is hill climbing or descending. With the arrangement, it becomes possible to downshift before the drivability or driver's comfort is degraded during the hill climbing or descending.
    • 一种用于自动车辆变速器的控制系统,其具有自动换档装置或自动换档模式,用于根据检测到的车速和发动机负载,根据预定的换档调度特性确定要转向的档位,以及手动换挡 用于根据由车辆驾驶员产生的手动换档命令确定要移动的档位的装置或手动换挡模式。 该系统还包括自动换档装置或副自动换档模式,用于确定当手动换档装置运行时被检测到的车速小于阈值的档位。 在该系统中,估计车辆是爬坡还是降坡,并且当车辆爬坡或下降时阈值增加。 通过这种安排,可以在爬坡或下降期间驾驶员或驾驶员的舒适度降级之前降档。
    • 10. 发明授权
    • Control system for automatic vehicle transmission
    • 自动车辆传动控制系统
    • US5908369A
    • 1999-06-01
    • US964217
    • 1997-11-04
    • Norio NakauchiTatsuyuki OhashiShinichi Nishio
    • Norio NakauchiTatsuyuki OhashiShinichi Nishio
    • F16H59/14F16H59/44F16H61/02F16H61/16F16H61/00
    • F16H61/16B60W2550/142F16H2059/0239F16H2059/663F16H59/14F16H59/44F16H61/0213Y10T477/6934
    • A control system for an automatic vehicle transmission having an auto-shifting device for determining an auto-shifting gearshift signal indicative of a gear to be shifted to in accordance with predetermined gearshift scheduling characteristics in response to a detected vehicle speed and an engine load, and a manual-shifting device for determining a manual-shifting signal indicative of a gear to be shifted to in response to a manual-shift command. A gearshift is conducted in response to one of the auto-shifting gearshift signal and the manual-shifting gearshift signal. In the system, the manual-shifting command is inhibited from being accepted for a predetermined period since the gearshift device conducted a gearshift in response to the auto-shifting gearshift signal. With this arrangement, it is possible to prevent down shifting from occurring consecutively so as to prevent drivability or driver's comfort from being degraded.
    • 一种用于自动车辆变速器的控制系统,具有自动换挡装置,用于响应于检测到的车速和发动机负载,根据预定的换档调度特性来确定表示要转向的齿轮的自动变速换档信号;以及 手动换档装置,用于响应于手动换档指令,确定指示要移动的档位的手动换档信号。 响应于自动变速换档信号和手动换挡换档信号之一进行换档。 在该系统中,由于变速装置响应于自动变速换档信号进行变速,所以手动换档指令被禁止接受预定时间段。 通过这种布置,可以防止连续发生下降变化,以防止驾驶员或驾驶员的舒适性降低。