| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To facilitate the execution of a high precision work executed based upon engine sound in an exhaust emission control system for an engine-driven machine 220. <P>SOLUTION: The exhaust emission control system for the engine-driven machine 220 includes: an engine 70 that is mounted in the engine-driven machine 220; an exhaust emission control device 50 disposed in an exhaust gas line 77 of the engine 70; and recovery devices 70, 81, 82, 117 for combustion removing particulate matter in the exhaust emission control device 50. During operations of operation unit 235, 236 for a work unit 227 provided at the engine-driven machine 220, the recovery devices 70, 81, 82, 117 are not actuated irrespective of the level of clogging of the exhaust emission control device 50. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
