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    • 4. 发明专利
    • Power transmission device for vehicle
    • 用于车辆的动力传动装置
    • JP2007100892A
    • 2007-04-19
    • JP2005293484
    • 2005-10-06
    • Honda Motor Co Ltd本田技研工業株式会社
    • EGUCHI TAKAHIROTAKEMORI YUICHIROUNEYAMA TOSHIKAZU
    • F16H61/02F16H9/00F16H59/24F16H59/26F16H59/42F16H59/76F16H61/662
    • F16H61/66272F16H59/14F16H59/30F16H59/36F16H59/76F16H61/0021F16H2061/6618Y10T477/6403Y10T477/693
    • PROBLEM TO BE SOLVED: To provide a power transmission device for a vehicle capable of improving fuel economy. SOLUTION: In this power transmission device for the vehicle, an electronic control unit ECU performs operation control of a starting clutch so as to make the starting clutch in a loose engagement state for a predetermined time when releasing a cylinder cut-off state, and estimates and calculates a prediction PB that is pressure inside an intake pipe based on rotational frequency Ne of an output shaft of an engine and an opening TH of a throttle valve for this predetermined time. Moreover, the electronic control unit ECU estimates and calculates driving torque by the engine based on the rotational frequency Ne of the output shaft of the engine and the calculated prediction PB, and sets drive side pressure and driven side pressure of a continuously variable transmission CVT based on the calculated driving torque. COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:提供一种能够提高燃料经济性的车辆的动力传递装置。 解决方案:在这种车辆动力传递装置中,电子控制单元ECU执行起动离合器的操作控制,以便在释放气缸切断状态时使起动离合器处于松动接合状态一段预定时间 ,并且基于发动机的输出轴的旋转频率Ne和节气门的开度TH来估计并计算作为进气管内的压力的预测值PB。 此外,电子控制单元ECU基于发动机的输出轴的旋转频率Ne和计算出的预测值B来估计并计算发动机的驱动转矩,并且设定无级变速器CVT的驱动侧压力和从动侧压力 计算出的驱动转矩。 版权所有(C)2007,JPO&INPIT