To provide an engine cooling system which inhibits overcooling of a coolant to improve fuel consumption while securing deceleration feeling.SOLUTION: An engine cooling system 2 includes: an electric water pump 6 for circulating a coolant between an engine 3 and a radiator 4; and a grille shutter 8 which is provided at a front grille 7 in front of the radiator 4 and can adjust an opening. Further, the engine cooling system 2 includes a control part 9 which lowers a rotation number of the electric water pump 6 and increases the opening of the grille shutter 8 based on deceleration in which fuel supply to the engine 3 is stopped.SELECTED DRAWING: Figure 1

    【課題】減速感を確保しながら、冷却液の過冷却を抑制して燃費を向上させることができるエンジン冷却システムを提供する。【解決手段】エンジン冷却システム2は、エンジン3とラジエータ4との間で冷却液を循環させるための電動ウォータポンプ6と、ラジエータ4の前方のフロントグリル7に設けられ開度を調整可能なグリルシャッタ8とを備える。また、エンジン3の燃料供給が絶たれた減速に基づいて、電動ウォータポンプ6の回転数を低下させるとともに、グリルシャッタ8の開度を増加させる制御部9を備える。【選択図】図1


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    Title :

    ENGINE COOLING SYSTEM


    Additional title:

    エンジン冷却システム


    Contributors:

    Publication date :

    2020-04-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen



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