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    • 2. 发明专利
    • Two-wheeled motor vehicle
    • 两轮摩托车
    • JP2014047762A
    • 2014-03-17
    • JP2012193796
    • 2012-09-04
    • Kawasaki Heavy Ind Ltd川崎重工業株式会社
    • ONO MASAFUMITSUBONE TOSHIYUKIKATSUKAWA YOTAMATSUMOTO MASARU
    • F01N1/08B62M7/02F01N1/00F01N13/08
    • F01N1/00F01N1/089F01N2340/04F01N2470/14F01N2490/04F01N2590/04
    • PROBLEM TO BE SOLVED: To provide a two-wheeled motor vehicle that can improve appearance by shortening the length in a front-back direction of a muffler while maintaining sufficient silence effect.SOLUTION: A two-wheeled motor vehicle includes an exhaust chamber 82 having a chamber expansion chamber 90 for exhaust inside, and a muffler 84 having muffler expansion chambers 92, 94, 96 for exhaust inside on the downstream side of the exhaust chamber. The outer peripheral wall of the exhaust chamber 82 and the outer peripheral wall of the muffler 84 are formed by a common casing body 69. The exhaust chamber 82 is positioned between an engine E and a rear wheel 22, the inside surface of the exhaust chamber 82 is positioned inside a vehicle body with respect to an outside surface 22a of the rear wheel 22, and the rear part of the muffler 84 is positioned outside the rear wheel 22.
    • 要解决的问题:提供一种两轮机动车辆,其可以通过缩短消音器的前后方向的长度来改善外观,同时保持足够的静音效果。解决方案:两轮机动车辆包括排气室82,排气室82具有 用于在内部排气的室膨胀室90和具有用于在排气室下游侧排气的消声器膨胀室92,94,96的消音器84。 排气室82的外周壁和消声器84的外周壁由共同的壳体69形成。排气室82位于发动机E和后轮22之间,排气室的内表面 82相对于后轮22的外表面22a位于车体的内侧,消声器84的后部位于后轮22的外侧。