| 摘要 |
Provided is a system for injecting fuel into an exhaust pipe, which is capable of preventing fuel leakage. In a system 5 for injecting fuel into an exhaust pipe, an exhaust pipe 11 is connected to an engine 10 via an exhaust adaptor 50 and the fuel is injected directly into the exhaust pipe 11 through a fuel injection valve 52 provided in the exhaust adaptor 50. A lower end of the exhaust adaptor 50 is provided with a lower flange part 54 to which a front end flange part 53 of the exhaust pipe 11 is connected, and a tubular shielding part 55 for preventing the fuel from falling onto flange surfaces 53a and 54a of the front end flange part 53 and the lower flange part 54 is provided in such a manner as to protrude into the exhaust pipe 11. |
