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    • 1. 发明授权
    • Marine propulsion system with a catalyst contained within the body of the engine
    • 具有催化剂的船用推进系统包含在发动机体内
    • US07954314B1
    • 2011-06-07
    • US11219948
    • 2005-09-06
    • Claus BruestleRichard A. Davis
    • Claus BruestleRichard A. Davis
    • F01N3/00
    • F01N13/001F01N3/2839F01N2590/021
    • An engine is provided with a cavity so that a catalyst member can be contained within the engine when an engine head portion is attached to an engine block portion. This attachment of the engine head portion and engine block portion, which forms the engine structure, captivates the catalyst member within the cavity without the need for additional brackets and housing structures. The cavity is preferably located above or at the upper regions of first and second exhaust conduits which direct exhaust upwardly from the engine head portion toward the cavity and downwardly from the cavity within the engine block portion. The first and second exhaust conduits are preferably formed as integral structures within the engine head portion and engine block portion.
    • 发动机设置有腔,使得当发动机头部附接到发动机缸体部分时,催化剂构件可以容纳在发动机内。 形成发动机结构的发动机头部和发动机缸体部分的这种附接将催化剂部件收纳在空腔内,而不需要额外的支架和壳体结构。 空腔优选地位于第一和第二排气导管的上部区域的上方或下方,该第一和第二排气管道的上部区域从发动机头部向上朝向空腔向上排出并且从发动机缸体部分内的空腔向下排气。 第一和第二排气管优选地形成为发动机头部和发动机缸体部分内的整体结构。