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    • 87. 发明申请
    • ENERGY-EFFICIENT AUTOMOBILE
    • 能源效率高的汽车
    • US20090281711A1
    • 2009-11-12
    • US12463660
    • 2009-05-11
    • Ryuji Ueno
    • Ryuji Ueno
    • F02D41/30
    • F02D11/106B60L15/2045B60L2240/441B60L2240/445B60W2510/0638B60W2510/0676B60W2510/244B60W2540/10B60W2710/0605B60W2710/0616F02D41/107F02D2041/2027F02D2200/701F02D2200/702Y02T10/645Y02T10/72Y02T10/7283
    • Disclosed is an automobile equipped with an engine having an electronically-controlled throttle valve adapted to have an opening angle which is controlled according to an accelerator-pedal depression amount. The engine further includes an accelerator pedal sensor, an actuator adapted to selectively open and close the throttle valve, and a controller. The controller is adapted to calculate a target throttle opening angle corresponding to the accelerator-pedal depression amount, and output a continuous control signal corresponding to the target throttle opening angle, to the actuator. The controller is operable, in a traveling environment of the automobile or an operating condition of the engine where a required engine power is less than an engine power corresponding to the target throttle opening angle, to convert the continuous control signal into a pulsed control signal, and output the pulsed control signal to the actuator.
    • 本发明公开了一种具有发动机的汽车,该发动机具有电子控制节流阀,其适于具有根据加速器踏板下压量来控制的开启角度。 发动机还包括加速踏板传感器,适于选择性地打开和关闭节流阀的致动器以及控制器。 控制器适于计算对应于加速器踏板下压量的目标节气门开度角,并将与目标节气门开度相对应的连续控制信号输出到致动器。 控制器可操作在汽车的行驶环境或发动机的运转状态,其中所需的发动机功率小于对应于目标节气门开度角的发动机功率,以将连续控制信号转换成脉冲控制信号, 并将脉冲控制信号输出到致动器。