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    • 10. 发明授权
    • Apparatus and method for controlling vehicle so as to purify exhaust emission from engine
    • 用于控制车辆以净化发动机废气排放的装置和方法
    • US06829887B2
    • 2004-12-14
    • US10025693
    • 2001-12-26
    • Naoto SuzukiMakoto YamazakiTakashi SuzukiMasaki Kusada
    • Naoto SuzukiMakoto YamazakiTakashi SuzukiMasaki Kusada
    • F01N300
    • B60W10/06B60K6/445F01N3/0814F01N3/0835F01N3/2006F01N13/009F02D41/0235F02D41/062F02N11/0818Y02A50/2322Y02T10/26Y02T10/48Y02T10/6239Y10S903/903
    • Method and apparatus for controlling a vehicle so as to purify an exhaust emission from an internal combustion engine with an exhaust-emission purifying catalyst disposed in an exhaust system of the engine, and such that the engine is brought into a temporary engine-stop state while a predetermined vehicle condition is satisfied, wherein the engine is operated for heating the catalyst, when a temperature of the catalyst has been lowered below a predetermined lower limit threshold, even while the predetermined vehicle condition is still satisfied. The catalyst maintains an exhaust-emission purifying ability at a temperature above the lower limit threshold. When the catalyst temperature has been raised to a predetermined upper limit threshold, as a result of the engine operation, the engine is restored to the temporary engine-stop state if the predetermined condition is still satisfied. The present method and apparatus permit the catalyst temperature to be held at a level higher than the activation lower limit, while minimizing the reduction of an effect of the temporary engine stop in an economy-running-system vehicle or a hybrid vehicle.
    • 用于控制车辆的方法和装置,以便利用设置在发动机的排气系统中的排气净化催化剂来净化来自内燃机的废气排放,并且使发动机处于临时的发动机停止状态,同时 满足预定的车辆条件,其中当催化剂的温度已经降低到预定的下限阈值以下时,发动机用于加热催化剂,即使在仍然满足预定的车辆状态的情况下。 该催化剂在高于下限阈值的温度下保持排气净化能力。 当催化剂温度上升到预定上限阈值时,由于发动机运转,如果仍然满足预定条件,则发动机恢复到临时发动机停止状态。 本方法和装置允许将催化剂温度保持在高于启动下限的水平,同时最小化在经济运行系统的车辆或混合动力车辆中临时发动机停止的效果的降低。