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Outboard marine propulsion devices and exhaust systems for outboard marine propulsion devices

机译:舷外船用推进装置和舷外船用推进装置的排气系统

摘要

An outboard marine propulsion device comprises an internal combustion engine having a cylinder head and a cylinder block; and an exhaust manifold that discharges exhaust gases from the engine towards a vertically extending catalyst housing. The exhaust manifold has a plurality of horizontally extending inlet runners upwardly that receive the exhaust gases from the engine, and a vertically extending collecting passage that conveys the exhaust gases from the plurality of horizontally extending inlet runners to a bend that redirects the exhaust gases downwardly towards the catalyst housing.
机译:舷外船用推进装置包括具有汽缸盖和汽缸体的内燃发动机。排气歧管将发动机的废气排放到垂直延伸的催化剂壳体。排气歧管具有多个向上延伸的水平延伸的进气道,这些进气道接收来自发动机的废气;以及一个垂直延伸的收集通道,该进气道将来自多个水平延伸的进气道的排气输送到一个弯头,该弯头向下引导废气向催化剂外壳。

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