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    • 8. 发明专利
    • Exhaust passage structure for internal combustion engine
    • 用于内燃机的排气通道结构
    • JP2010174873A
    • 2010-08-12
    • JP2009022049
    • 2009-02-02
    • Mitsui Eng & Shipbuild Co Ltd三井造船株式会社
    • TAKAHASHI MOTOYUKI
    • F02F1/42F01L3/06F02B25/02
    • Y02T10/146
    • PROBLEM TO BE SOLVED: To provide an exhaust passage structure for an internal combustion engine, having greatly improved exhausting efficiency by actualizing the smooth flow of combustion gas in a high temperature chamber and a high temperature exhaust passage. SOLUTION: The exhaust passage structure includes a main valve for exhausting operation, the high temperature chamber 12 for introducing high temperature combustion gas exhausted via the main valve, the high temperature exhaust passage 13 for exhausting the combustion gas from the high temperature chamber to the outside, a low temperature exhaust passage for exhausting low temperature combustion gas to the outside, and a sub valve for selecting the flow of the combustion gas into the high temperature exhaust passage or the low temperature exhaust passage. Herein, straightening vanes 17, 18 are provided on the inner wall face of the high temperature chamber for smoothly guiding the high temperature combustion gas from the high temperature chamber into the high temperature exhaust passage. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于内燃机的排气通道结构,其通过实现高温室和高温排气通道中燃烧气体的平稳流动而大大提高了排气效率。 解决方案:排气通道结构包括用于排气操作的主阀,用于引入经由主阀排出的高温燃烧气体的高温室12,用于从高温室排出燃烧气体的高温排气通道13 向外部施加用于将低温燃烧气体排出到外部的低温排气通路,以及用于选择燃烧气体流入高温排气通路或低温排气通路的副阀。 这里,在高温室的内壁面上设置有矫直叶片17,18,用于将高温燃烧气体从高温室平稳地引导到高温排气通道内。 版权所有(C)2010,JPO&INPIT