| 摘要 |
<p>The invention relates to an exhaust system for a multi-cylinder engine (1) having a plurality of exhaust pipes (16a-d) with one end connectable to exhaust openings of the multi-cylinder engine (1), and other ends of the exhaust pipes (16a-d) connected to a collecting pipe (18) configured to collect exhaust introduced from the exhaust pipes (16a-d) and directing it to a silencer (20).</p><p>The invention aims to provide an improved exhaust system for a multi-cylinder engine, such an engine and a vehicle having such a system.</p><p>Therefore, the invention proposes that the collecting pipe comprises a front-end portion (A) communicated to exhaust passages of the exhaust pipes (16a-d), a middle portion (B) configured to collect the exhaust introduced from the front-end portion (A), a rear-end portion configured to further collect the exhaust introduced from the middle portion (B), wherein the middle portion (B) is provided with an exhaust control means (40) configured to control the area of the exhaust passages in accordance with engine conditions.</p><p>Further, an engine and a vehicle having such a system is proposed.</p> |
