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公开(公告)号：KR1020010074627A
公开(公告)日：2001-08-04
申请号：KR1020010039415
申请日：2001-07-03
IPC: F01N9/00
CPC classification number: Y02T10/47
Abstract: PURPOSE: A reducing method of HC exhaust material in cold start of a spark ignition engine is provided to reduce the exhaust amount of HC by re-burning a large amount of HC in a running mode of an engine without influence for engine torque. CONSTITUTION: For zero emission of noxious exhaust gas in cold start, exhaust gas is collected in a storage bag, using a dead sector including a bumper, a fender and a door for early 30sec after combustion explosion in a spark ignition engine. To shorten the collecting time of the exhaust gas, a rapid heated O2 type sensor is adopted to shorten the feedback control time. The collected exhaust gas is sucked and ignited through an intake manifold after a three-way catalyst is lighted up. The zero emission is performed for the early 30sec having the largest amount of exhaust gas in cold start. The spark ignition engine is run without bad effects for engine torque as the exhaust gas is re-burnt through a solenoid valve. The ozone formation potential of the exhaust gas is increased when a large amount of toluene and benzene is generated over 200ppm within 10sec after cold start.
Abstract translation: 目的：提供一种在火花点火发动机的冷起动中的HC排放材料的还原方法，以通过在发动机的运行模式下重新燃烧大量HC而不影响发动机转矩来减少HC的排气量。 构成：为了在冷启动时零排放有害废气，在火花点火发动机燃烧爆炸后30秒钟内，将废气收集在储存袋中，使用包括保险杠，挡泥板和门的死区。 为了缩短排气的收集时间，采用快速加热的O2型传感器来缩短反馈控制时间。 收集的废气在三元催化剂点亮之后通过进气歧管被吸入和点燃。 在冷启动时具有最大排气量的早期30秒进行零排放。 当排气通过电磁阀重新燃烧时，火花点火发动机在发动机扭矩不受影响的情况下运行。 当冷启动后10秒钟内产生大量的甲苯和苯超过200ppm时，排气的臭氧形成电位增加。
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