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    • 95. 发明授权
    • Motorcycle engine
    • 摩托车发动机
    • US4474144A
    • 1984-10-02
    • US343725
    • 1982-01-29
    • Hideo TanakaSuminari Iwao
    • Hideo TanakaSuminari Iwao
    • B62M7/02F02B61/02F02B75/02F02B75/18F02B75/22F02F1/24B62D21/02
    • B62M7/02F02B61/02F02B75/22F02B2075/027F02B2075/1816F02F2001/245
    • A multi-cylinder internal combustion engine is mounted on the frame body of a motorcycle. The engine has a front cylinder block extending forward and a rear cylinder block extending upward so that a V-shaped space is defined between the cylinder blocks. A downdraft carburetor supplies fuel to the front cylinder block and a lateral-draft carburetor supplies fuel to the rear cylinder block. Both carburetors are positioned in the V-shaped space and their air intake ports are in close proximity but offset laterally. The intake pipes to the carburetors have essentially the same length and geometrical arrangement. First and second exhaust systems for the two cylinder blocks are essentially the same length although the exhaust system for the front cylinder block extends under the engine to one side of the rear wheel of the motorcycle and the other exhaust system for the rear cylinder block extends at a higher elevation to the other side of the wheel.
    • 多缸内燃机安装在摩托车的车体上。 发动机具有向前延伸的前气缸体和向上延伸的后气缸体,使得在气缸体之间限定V形空间。 下降式化油器向前汽缸体提供燃料,侧向气化器向后汽缸体供油。 两个化油器位于V形空间中,并且它们的进气口处于非常接近的位置,但横向偏移。 到化油器的进气管具有基本上相同的长度和几何布置。 用于两个气缸体的第一和第二排气系统基本上是相同的长度,尽管用于前汽缸体的排气系统在发动机下方延伸到摩托车的后轮的一侧,而用于后汽缸体的另一排气系统在 较高的高度到车轮的另一侧。