PROBLEM TO BE SOLVED: To suppress an increase in PN in starting-up an internal combustion engine.SOLUTION: In starting-up an engine, when cooling water temperature Tw is lower than a prescribed water temperature Twref (step S150), a throttle valve is prohibited with overshoot (step S160), and the throttle valve is controlled so that an opening degree of the throttle valve never becomes larger than a target throttle opening degree Ttag even once but becomes the target throttle opening degree Ttag (step S170, S180). Thus, an increase in PN is suppressed.SELECTED DRAWING: Figure 3

    【課題】内燃機関の始動するときにおけるPNの増加を抑制する。【解決手段】エンジンを始動するとき、冷却水温Twが所定水温Twref未満であるときには(ステップS150)、スロットルバルブのオーバーシュートを禁止して(ステップS160)、スロットルバルブの開度が一旦目標スロットル開度Ttagより大きくなることなく目標スロットル開度Ttagとなるように、スロットルバルブを制御する(ステップS170,S180)。これにより、PNの増加を抑制することができる。【選択図】図3


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    Title :

    INTERNAL COMBUSTION ENGINE DEVICE


    Additional title:

    内燃機関装置


    Contributors:

    Publication date :

    2017-08-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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