| 发明名称 | Outboard motor | ||
| 摘要 | In an outboard motor, an exhaust collecting pipe is disposed so as to extend in a vertical direction. The exhaust collecting pipe collects exhaust emitted from a plurality of exhaust ports. A catalyst housing pipe is disposed along a horizontal direction with the exhaust collecting pipe. The catalyst housing pipe is disposed so as to extend in the vertical direction. A catalyst member is housed in the catalyst housing pipe. A connecting pipe is disposed so as to extend in a horizontal direction. The connecting pipe connects the exhaust collecting pipe and the catalyst housing pipe. A protruding portion is provided at a top or a bottom of an inside surface of the connecting pipe. | ||
| 申请公布号 | US8795013(B1) | 申请公布日期 | 2014.08.05 |
| 申请号 | US201113293152 | 申请日期 | 2011.11.10 |
| 申请人 | Yamaha Hatsudoki Kabushiki Kaisha | 发明人 | Nakayama Koichi;Suzuki Toshio;Ochiai Katsumi;Maekawa Shinya |
| 分类号 | F01N13/10 | 主分类号 | F01N13/10 |
| 代理机构 | Keating & Bennett, LLP | 代理人 | Keating & Bennett, LLP |
| 主权项 | 1. An outboard motor comprising: an engine including a plurality of cylinders disposed along a vertical direction, and a plurality of exhaust ports connected respectively to the plurality of cylinders and disposed along the vertical direction; an exhaust collecting pipe disposed so as to extend in the vertical direction and configured to collect exhaust emitted from the plurality of exhaust ports; a catalyst housing pipe disposed in a horizontal direction from the exhaust collecting pipe and disposed so as to extend in the vertical direction; a catalyst member housed within the catalyst housing pipe; a connecting pipe disposed so as to extend in the horizontal direction and configured to connect the exhaust collecting pipe and the catalyst housing pipe; and a protruding portion provided at a top or a bottom of an inside surface of the connecting pipe. | ||
| 地址 | Shizuoka JP | ||