PROBLEM TO BE SOLVED: To provide a hybrid system or the like which can secure a sufficient EGR amount, can reduce a NOx amount generated in a cylinder, and can improve durability by reducing a thermal load of a compressor of a supercharge system, in the hybrid system comprising an electric generator and an internal combustion engine having the supercharge system and a low-pressure EGR system.SOLUTION: A low-pressure EGR cooler 26 is arranged in a low-pressure EGR passage 15 which connects an exhaust passage 13 at a downstream side rather than a turbine 17a of supercharge systems 3, 4, and an intake passage 12 at an upstream side rather than a compressor 17b of the supercharge systems 3, 4, and in the low-pressure cooler 26, a low-pressure EGR gas Gel is cooled by cooling water W which cools an electric generator 30.

    【課題】電動発電機と、過給システムと低圧EGRシステムを有する内燃機関を備えたハイブリッドシステムにおいて、十分なEGR量を確保できて気筒内で発生するNOx量を低減できるとともに、過給システムのコンプレッサの熱負荷を低減して耐久性を向上できるハイブリッドシステム等を提供する。【解決手段】過給システム3、4のタービン17aより下流側の排気通路13と、過給システム3、4のコンプレッサ17bより上流側の吸気通路12を接続する低圧EGR通路15に、低圧EGRクーラー26を設けると共に、この低圧EGRクーラー26では、電動発電機30を冷却する冷却水Wで低圧EGRガスGelを冷却するように構成する。【選択図】図1


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    Title :

    HYBRID SYSTEM, HYBRID SYSTEM VEHICLE, AND EGR METHOD OF HYBRID SYSTEM


    Additional title:

    ハイブリッドシステム、ハイブリッドシステム車両、及び、ハイブリッドシステムのEGR方法


    Contributors:

    Publication date :

    2015-11-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / 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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