The invention discloses an engine and a motorcycle, the engine is provided with a cooling system, the cooling system comprises a large circulation cooling system and a radiator, the large circulation cooling system comprises a large circulation cooling channel communicated with the radiator, and the large circulation cooling channel is arranged in the engine. The cooling system further comprises a small circulation cooling system, the small circulation cooling system is provided with a small circulation cooling channel communicated with the large circulation cooling channel, and the small circulation cooling channel is arranged in the engine. The large circulation cooling channel is provided with a large circulation liquid inlet communicated with the liquid outlet end of the radiator and a large circulation liquid outlet communicated with the liquid return end of the radiator. The radiator is arranged at the longitudinal front end of the engine, the large circulation liquid inlet faces the radiator, and the large circulation liquid outlet is close to the liquid return end of the radiator. The water pipe layout in the engine cooling system can be optimized, arrangement of water pipes is reduced, meanwhile, the silencer is better arranged, and therefore the whole vehicle is more compact.

    本发明公开了一种发动机及摩托车,所述发动机具有冷却系统,所述冷却系统包括大循环冷却系统和散热器,所述大循环冷却系统包括与散热器连通的大循环冷却通道,所述大循环冷却通道设置在发动机内,所述冷却系统还包括小循环冷却系统,所述小循环冷却系统具有与大循环冷却通道连通的小循环冷却通道,所述小循环冷却通道设置在发动机内,所述大循环冷却通道具有与散热器出液端连通的大循环进液口和与散热器回液端连通的大循环出液口;所述散热器布置在发动机的纵向前端,所述大循环进液口朝向散热器开设,所述大循环出液口靠近散热器回液端开设;能够优化发动机冷却系统中的水管布局,减少水管的布置,同时使得消声器更好布置,从而使得整车更加紧凑。


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    Title :

    Engine and motorcycle


    Additional title:

    发动机及摩托车


    Contributors:
    YU LIANG (author) / HU YIQIANG (author) / CHENG SHIJIE (author) / YANG YUANGUI (author) / ZOU ZHENGWEI (author) / XIA HAIXIN (author)

    Publication date :

    2023-12-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES , Zylinder, Kolben oder Gehäuse für Brennkraftmaschinen



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