| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas engine exhaust device capable of preventing unburned gas from remaining in an exhaust passage including an exhaust collection pipe to which a supercharger is attached.SOLUTION: A gas engine exhaust device comprises: an exhaust collection pipe 31 collecting exhaust gas from a plurality of combustion chambers of a gas engine 21, and forming a single exhaust channel; a supercharger 25 attached to a downstream end of the exhaust collection pipe 31; a purge air inlet 33 attached to an upstream end of the exhaust collection pipe 31, and supplying compressed air so as to remove unburned gas remaining in the exhaust collection pipe; and a purge valve 49 opening/closing a purge passage 47 connected to the purge air inlet. |
