JT IDI 엔진을 활용한 TIER4 Off-Road 엔진 개발

In order to allow continued production of TIER3 industrial engine, have to meet the TIER4emission regulation standard which is due to come into effect on 2015. The main purpose of the development was to retain the relatively inexpensive and simple IDI engine based on TIER3 while improving hardware and adding software components that allow achievement of the phase-in TIER4 emission standards. For reduce harmful substance in exhaust gas, Metal Foam Filter is used which is more appropriate than DPF for industrial engine in that do not need active regeneration. Metal Foam Filter is advantageous in NO2 passive regeneration. Furthermore, It has less risk in filter clogging and prevent excessive fuel consumption. It could be proven that a concept with a comparably cost-effective base engine which does not utilize CRDI, along with an advanced aftertreatment control system, is capable to meet the Korea TIER4 2015- phase in emission standards.