To improve temperature increase speed of a catalyst.SOLUTION: An exhaust emission control system includes: a catalyst provided in an exhaust passage in which exhaust gas flows and purifying the exhaust gas; a catalyst temperature acquisition section acquiring a temperature of the catalyst; a fuel supply device supplying fuel to an engine; a power generator generating electric power by driving the engine; and a control device controlling operations of the power generator and the fuel supply device. When the temperature of the catalyst is lower than a predetermined temperature, the control device performs warming-up control for causing the power generator to generate load torque so as to generate power generation load in the engine and increasing fuel supply amount from the fuel supply device to the engine so as to obtain output corresponding to the power generation load.SELECTED DRAWING: Figure 1

    【課題】触媒の昇温速度を向上させる。【解決手段】一態様の排気浄化システムは、排気ガスが流れる排気通路に設けられ、排気ガスを浄化する触媒と、触媒の温度を取得する触媒温度取得部と、エンジンに燃料を供給する燃料供給装置と、エンジンの駆動によって発電する発電機と、発電機及び燃料供給装置の動作を制御する制御装置と、を備えている。制御装置は、触媒の温度が所定の温度よりも低い場合に、エンジンに発電負荷が生じるように発電機に負荷トルクを発生させると共に、発電負荷に応じた出力が得られるように燃料供給装置からエンジンへの燃料の供給量を増加させる暖気制御を行う。【選択図】図1


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    Title :

    EXHAUST EMISSION CONTROL SYSTEM


    Additional title:

    排気浄化システム


    Contributors:

    Publication date :

    2021-09-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / 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 / F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen



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