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    • 7. 发明申请
    • Powertrain with series electric launch and electric power assisted performance
    • 动力总成具有串联电力发射和电力辅助性能
    • US20070072723A1
    • 2007-03-29
    • US11233979
    • 2005-09-23
    • Donald KlemenMichael Schmidt
    • Donald KlemenMichael Schmidt
    • F16H3/72
    • F16H3/728B60K1/02B60K6/365B60K6/40B60K6/442F16H3/66F16H3/666F16H2037/0886F16H2200/0052F16H2200/2007F16H2200/201F16H2200/2046Y02T10/6234
    • A powertrain includes an engine with an engine output member, such as a crankshaft, and a first motor/generator having a first rotor connected to the crankshaft for rotation therewith. A transmission includes a transmission input member, a transmission output member, and a differential gearing arrangement selectively operatively connecting the transmission input member and the transmission output member. A plurality of torque transmitting devices is selectively engageable to provide a plurality of fixed speed ratios between the transmission input member and the transmission output member. A second motor/generator includes a second rotor connected to the gearing arrangement to provide torque to the transmission output member. The transmission input member is selectively connectable to the engine output member and the first rotor to alternate between a series hybrid drive mode and a fixed ratio mode of powertrain operation. A corresponding method is also provided.
    • 动力系包括具有诸如曲轴的发动机输出构件的发动机和具有连接到曲轴以与其一起旋转的第一转子的第一电动机/发电机。 变速器包括变速器输入构件,变速器输出构件和选择性地操作地连接变速器输入构件和变速器输出构件的差动齿轮装置。 多个扭矩传递装置可选择性地接合以在传动输入构件和变速器输出构件之间提供多个固定速比。 第二电动机/发电机包括连接到传动装置的第二转子,以向变速器输出构件提供扭矩。 变速器输入构件可选择性地连接到发动机输出构件和第一转子以在串联混合动力驱动模式和动力系运行的固定比例模式之间交替。 还提供了相应的方法。