| 摘要 |
<P>PROBLEM TO BE SOLVED: To achieve early activation of an exhaust emission control part and materialize improvement of exhaust emission control performance and cost reduction of the exhaust emission control part by utilizing exhaust heat from a subengine after engine start. <P>SOLUTION: The system includes a main engine 100 used during vehicle traveling, a subengine 200 provided to drive an auxiliary 900 under a specific condition, a main exhaust passage 300 which is a exhaust emission control system for purifying exhaust gas exhausted from the main engine and which leads the exhaust gas exhausted from the main engine 100 outside a vehicle, a plurality of exhaust emission control parts 400A, 400B provided to the main exhaust passage 300 to purify the exhaust gas, a sub-exhaust passage 500 for leading the exhaust gas exhausted from the subengine 200 between the exhaust emission control parts, and a subengine control part for driving the subengine 200 for heating the exhaust emission control part 400B disposed on the downstream side from a connection end of the sub-exhaust passage 500. <P>COPYRIGHT: (C)2007,JPO&INPIT |
