| 摘要 |
<p>PURPOSE:To clean exhaust gas by conducting the combination of an auxiliary combustion chamber, an EGR mechanism and filters for particulate catching at a diesel engine. CONSTITUTION:An auxiliary combustion chamber 21 is provided at the top portion of a piston 2, and the precombustion of fuel through a jetting nozzle 10 is carried out, and combustion is carried out in a main chamber, and to a bypass flow passage 4, a control valve 42 and an auxiliary filter 41 are fitted. Also, a main filter 3 is arranged at the halfway point of an exhaust pipe 15, and, an exhaust shutter 16 is fitted to its slip stream and the cleaning of exhaust is executed by catching the particulates in exhaust that has little NOx due to an engine with an auxiliary chamber and an EGR.</p> |
