公开(公告)号：US07641527B1

公开(公告)日：2010-01-05

申请号：US11948651

申请日：2007-11-30

申请人： Ben Balaji ,  Richard McChesney ,  Rudolf Wendler

发明人： Ben Balaji ,  Richard McChesney ,  Rudolf Wendler

IPC分类号： B63H21/00 ,  B63H21/10 ,  B63H21/38 ,  F01N3/20 ,  F01N7/12 ,  B63H21/32 ,  F01N1/08

CPC分类号： F01N1/089 ,  B63H20/245 ,  B63H20/32 ,  F01N3/2885 ,  F01N2490/04 ,  F01N2490/08 ,  F01N2490/10 ,  F01N2590/021

摘要： A marine outboard engine has an upper motor cover, a lower cover, an engine, a driveshaft, a gear case, a rotor shaft, and a bladed rotor. First and second exhaust housings are disposed in the lower cover below the engine. The second exhaust housing at least partially surrounds the first exhaust housing. A first exhaust chamber is formed by the first exhaust housing. The first exhaust chamber fluidly communicates with the engine. A second exhaust chamber is formed between the second exhaust housing and the first exhaust housing. The second exhaust chamber fluidly communicates with the first exhaust chamber. A third exhaust chamber formed between the second exhaust housing and the first exhaust housing below the second exhaust chamber is also disclosed. The third exhaust chamber fluidly communicates with the second exhaust chamber and an exterior of the marine outboard engine.

摘要翻译： 船用舷外发动机具有上电机盖，下盖，发动机，驱动轴，齿轮箱，转子轴和叶片转子。 第一和第二排气罩设置在发动机下方的下盖中。 第二排气罩至少部分地围绕第一排气罩。 第一排气室由第一排气罩形成。 第一排气室与发动机流体连通。 第二排气室形成在第二排气室和第一排气室之间。 第二排气室与第一排气室流体连通。 还公开了在第二排气室和第二排气室下方的第一排气室之间形成的第三排气室。 第三排气室与第二排气室和船用舷外发动机的外部流体连通。