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1. 发明授权

US4420933A Exhaust system 失效
标题翻译：排气系统
公开(公告)号：US4420933A
公开(公告)日：1983-12-20
申请号：US382292
申请日：1982-05-26
申请人： Ikuo Kajitani , Tadayoshi Hayashi , Sakuji Arai , Yutaka Hirayama
发明人： Ikuo Kajitani , Tadayoshi Hayashi , Sakuji Arai , Yutaka Hirayama
IPC分类号： F01N3/28 , F01N13/10 , F01N7/06
CPC分类号： F01N13/10 , F01N3/28 , F01N3/2892
摘要： A system for collecting and catalytically cleaning exhaust gases from an engine which is particularly suited for an arrangement wherein the catalyst is in close proximity to the exhaust ports of the engine. Exhaust pipes are employed having common walls extending longitudinally therethrough to separate and convey exhaust gases from two separate cylinders to a common manifold. The manifold is arranged to provide a mixing of the exhaust from a plurality of cylinders and to direct that homogeneous flow to the catalyst. A restriction is provided at the outlet of the manifold chamber and before an expansion chamber into the catalyst. This outlet and the expansion chamber are designed to provide maximum efficiency in distribution of gases to the catalyst and also provide minimum gas flow disruption and back pressure.
摘要翻译：用于收集和催化清洁来自发动机的废气的系统，其特别适用于其中催化剂紧邻发动机排气口的装置。使用排气管，其具有纵向延伸穿过其中的共同壁，以将废气从两个分离的气缸分离并传送到公共歧管。歧管被布置成提供来自多个气缸的排气的混合并将该均匀流引导到催化剂。在歧管室的出口处和在膨胀室进入催化剂之前提供限制。该出口和膨胀室被设计成提供气体向催化剂分配的最大效率，并且还提供最小的气流中断和背压。

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