发明名称 |
Internal combustion engine and control method thereof |
摘要 |
In a V-type six cylinder engine, cylinder groups are provided in which a plurality of cylinders are arranged divided into left and right first and second banks. An intake pipe, a first exhaust pipe, and a second exhaust pipe are connected to the cylinder groups of the banks. A first upstream three-way catalyst and a first control valve are provided in one exhaust pipe while a second upstream three-way catalyst and a second control valve are provided in the other exhaust pipe. The exhaust pipes are communicated together upstream of the upstream three-way catalysts and the control valves by a communicating pipe. A third control valve that adjusts the flowrate of exhaust gas is provided in the communicating pipe. |
申请公布号 |
US8056337(B2) |
申请公布日期 |
2011.11.15 |
申请号 |
US20070439183 |
申请日期 |
2007.09.13 |
申请人 |
HOKUTO HIROYUKI;MIYASHITA SHIGEKI;NOGAWA SHINICHIRO;HARIMA KENJI;TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
HOKUTO HIROYUKI;MIYASHITA SHIGEKI;NOGAWA SHINICHIRO;HARIMA KENJI |
分类号 |
F02D23/00 |
主分类号 |
F02D23/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|