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    • 1. 发明申请
    • HYBRID ELECTRIC POWERTRAIN CONFIGURATIONS WITH A BALL VARIATOR CONTINUOUSLY VARIABLE TRANSMISSION USED AS A POWERSPLIT
    • 具有作为电力系统使用的球变量连续可变传输的混合动力系统配置
    • WO2017049087A1
    • 2017-03-23
    • PCT/US2016/052140
    • 2016-09-16
    • DANA LIMITED
    • KUMAR, KrishnaWESOLOWSKI, Steven J.ZIECH, James F.SMITHSON, Robert A.HAKA, Raymond J.
    • F16H15/50F16H3/72
    • B60K6/365B60K6/543F16H15/52
    • Regular torque split planetary gear trains for automotive hybrid powertrains are limited by the fixed ratio of the planetary gear train. A powertrain incorporating a continuously variable transmission using a torque split with variable ratios enables the powertrain to use the ideal operating lines (IOL) of the engine, electric motor and generator along with the high voltage battery charge/discharge paths, depending upon the mode of operation (charge sustain or charge deplete modes) of the hybrid powertrain. A powertrain further equipped with a hybrid supervisory controller that chooses the torque split and path of highest efficiency from engine to wheel, can operate at the best potential overall efficiency point in any mode and also provide torque variability, thereby leading to the best combination of powertrain performance and fuel efficiency. Embodiments of powertrain configurations that can improve the efficiency of hybrid vehicles are discussed herein.
    • 用于汽车混合动力总成的常规扭矩行星齿轮系由行星齿轮系的固定比例限制。 使用具有可变比率的扭矩分配的无级变速器的动力传动系统使动力系统能够使用发动机,电动机和发电机的理想操作线(IOL)以及高压电池充电/放电路径,这取决于模式 混合动力总成的运行(充电维持或电荷消耗模式)。 动力总成进一步配备混合式监控控制器,可选择从发动机到车轮的最高效率的扭矩分配和路径,可在任何模式下以最佳潜在的总效率点运行,并提供扭矩变化性,从而导致动力总成的最佳组合 性能和燃油效率。 这里讨论了可以提高混合动力车辆的效率的动力系构造的实施例。