배기 가스 정화 장치
    51.
    发明公开
    배기 가스 정화 장치 有权
    用于净化排气的装置

    公开(公告)号:KR1020090104441A

    公开(公告)日:2009-10-06

    申请号:KR1020080029862

    申请日:2008-03-31

    Abstract: PURPOSE: An exhaust gas purification device is provided to completely oxidize HC and CO included in the exhaust gas by mounting a DOC unit between a CPF unit and a SCR unit. CONSTITUTION: An exhaust gas purification device comprises a smoke reducing unit(30), a diesel oxidation catalyst(40), a blow nozzle(50) and an optional catalytic reduction unit(60). The smoke reducing unit oxidizes hydrocarbon and carbon monoxide included in the exhaust gas using a first diesel oxidation catalyst. The smoke reducing unit collects and reproduces the particulates. The diesel oxidation catalyst is installed in the backend of a CPF unit and oxidizes HC and CO using a second DOC. The diesel oxidation catalyst oxidizes the nitrogen oxide to nitrogen dioxide using second DOC. The blow nozzle is established at the DOC unit backend and spays the reducing agent on the exhaust gas from the DOC unit. The optional catalytic reduction unit is installed the backend of the blow nozzle and restores the nitric oxide within the exhaust to the nitrogen gas.

    Abstract translation: 目的:提供一种废气净化装置,通过将DOC单元安装在CPF单元和SCR单元之间来完全氧化废气中包含的HC和CO。 构成:废气净化装置包括减烟单元(30),柴油氧化催化剂(40),吹塑喷嘴(50)和任选的催化还原单元(60)。 减烟装置使用第一柴油氧化催化剂氧化废气中所含的烃和一氧化碳。 减烟装置收集并再现颗粒物。 柴油氧化催化剂安装在CPF单元的后端,并使用第二个DOC氧化HC和CO。 柴油氧化催化剂使用第二DOC将氮氧化物氧化成二氧化氮。 喷嘴在DOC单元后端建立,并将还原剂从DOC单元中排出。 可选的催化还原单元安装在喷嘴的后端,并将废气中的一氧化氮还原成氮气。

    자동차용 디젤엔진의 입자상물질 제거용 필터
    52.
    发明公开
    자동차용 디젤엔진의 입자상물질 제거용 필터 有权
    汽车柴油颗粒过滤器通过安全排气和过滤器之间的接触反应条件改善排气净化效率

    公开(公告)号:KR1020040105279A

    公开(公告)日:2004-12-16

    申请号:KR1020030035978

    申请日:2003-06-04

    Inventor: 이진하

    CPC classification number: F01N3/022 F01N2260/14

    Abstract: PURPOSE: A DPF(Diesel Particulate Filter) for a vehicle is provided to equalize the inlet velocity distribution of the exhaust gas of an engine by positioning a unit cell with large cell density and small porosity in the center and a unit cell with small cell density and large porosity toward the radial direction in order. CONSTITUTION: In a DPF(10) for a vehicle having a plurality of lattice-shaped cell structures, the cell density of the cell structure divided in the DPF gradually gets smaller from the center to the radial direction and the porosity gets larger gradually. The cell density and porosity of an A area of one cell structure formed in the center of the DPF is 300 and 52%, respectively. The cell density and porosity of a B area of the cell structure composed of at least unit cells(11) is 200 and 52%, respectively. The cell density and porosity of a C area of the cell structure formed in the radial direction of the B area is 100 and 60%, respectively.

    Abstract translation: 目的:提供一种用于车辆的DPF(柴油颗粒过滤器),用于通过定位中心具有大的泡孔密度和小孔隙率的单元电池以及具有小单元密度的单元电池来均衡发动机废气的入口速度分布 并且朝向径向方向依次具有大的孔隙率。 构成:在具有多个格子状细胞结构的车辆的DPF(10)中,DPF分割的细胞结构的细胞密度从中心向径向逐渐变小,孔隙逐渐变大。 DPF中心形成的一个电池结构的A区的电池密度和孔隙率分别为300%和52%。 由至少单元电池(11)构成的电池结构的B区域的电池密度和孔隙率分别为200%和52%。 在B区域的径向上形成的电池结构的C区域的电池密度和孔隙率分别为100%和60%。

    CDA 적용 차량의 GPF 손상 방지방법
    55.
    发明授权
    CDA 적용 차량의 GPF 손상 방지방법 有权
    防止车辆应用CDA损坏的方法

    公开(公告)号:KR101273000B1

    公开(公告)日:2013-06-10

    申请号:KR1020110088982

    申请日:2011-09-02

    Inventor: 김태욱 이진하

    Abstract: 본 발명은 GPF내부의 온도 조건을 이용하여 GPF가 손상되지 않도록 CDA적용 기통수를 결정토록 하는 CDA 적용 차량의 GPF 손상 방지방법에 관한 것이다.
    본 발명에 따른 CDA 적용 차량의 GPF 손상 방지방법은, GPF(30, Gasoline Particulate Filter)의 차압을 주기적으로 측정하고 측정된 GPF(30)의 차압에 따라 GPF(30) 내부의 수트(soot) 퇴적량을 산출하는 GPF차압 모니터링단계(S110)와, 상기 GPF차압 모니터링단계(S110)에서 측정된 GPF(30)의 차압을 GPF(30)를 재생하도록 미리 설정된 재생필요차압과 비교하는 차압비교단계(S120)와, 상기 차압비교단계(S120)에서 GPF내의 차압이 재생필요차압보다 높으면, GPF차압에 따른 수트 퇴적량과 CDA운전에 따른 각 CDA모드별 배기가스의 평균 산소농도에 의해, 각 CDA(Cylinder De-activation)모드에 따른 GPF내의 온도를 산출하는 GPF 온도 산출단계(S130)와, 산출된 GPF온도를 이용하여 상기 GPF가 파손되지 않은 온도 이내에서 CDA적용 실린더수를 결정하는 CDA 모드 설정단계(S140)를 포함한다.

    질소산화물 흡장 촉매 시스템의 탈황 방법
    56.
    发明公开
    질소산화물 흡장 촉매 시스템의 탈황 방법 有权
    用于LNT系统的脱硫金属

    公开(公告)号:KR1020130017957A

    公开(公告)日:2013-02-20

    申请号:KR1020110080718

    申请日:2011-08-12

    CPC classification number: F02D41/028 F02D41/029 F02D2200/0812

    Abstract: PURPOSE: A desulfurization method of a nitrogen oxide absorbing catalyst system is provided to simplify the regeneration logic of desulfurization by deciding the desulfurization time based on the number of success in the regeneration of DPF(Diesel Particulate Filter), since all the trace sulfur compounds included in the exhaust gas ejected when the ultra low sulfur diesel oil is used become poison to an LNT(Lean NOx Trap) catalyst. CONSTITUTION: A desulfurization method of a nitrogen oxide absorbing catalyst system comprises the following steps: determining(S110) whether the number of the success of DPF regeneration reaches the predetermined number of the success of DPF regeneration or not; performing(S120) desulfurization by terminating the DPF regeneration when the number of success of the DPF regeneration reaches the predetermined number of success of the DPF regeneration; entering the desulfurization mode; terminating(S160) the desulfurization after performing the desulfurization for the predetermined time; calculating and calibrating(S170) the amount of the collected PM-10(fine dust) in the DPF generated during the time of desulfurization after the termination of the desulfurization; determining the time for the following DPF regeneration; and comparing the temperature(T) of the inside of the nitrogen oxide absorbing catalyst with the deterioration temperature(X) of the nitrogen oxide absorbing catalyst during the time of the desulfurization. [Reference numerals] (S100) Normal NO_X purification operation mode; (S110) Reaching a predetermined number of success of DPF regeneration?; (S120) Immediately entering a desulfurization mode after terminating the DPF regeneration; (S130) Maintaining a lambda(λ) value below a predetermined value; (S140) LNT catalyst inside temperature(T) > Deterioration temperature(X) ?; (S150) Desulfurization for a predetermined time?; (S160) Terminating the desulfurization; (S170) Calculating and correcting the amount of PM collected in a DPF caused by PM produced during the desulfurization; (S180) Switching the mode to a normal lean operation for preventing overheating of catalyst; (S190) LNT catalyst inside temperature(T) ≤ Predetermined temperature(Y)

    Abstract translation: 目的:提供一种氮氧化物吸收催化剂体系的脱硫方法,以便通过根据DPF(柴油颗粒过滤器)再生成功次数决定脱硫时间,从而简化脱硫再生逻辑,因为所有痕量硫化合物均包括 当使用超低硫柴油时排出的废气对LNT(Lean NOx Trap)催化剂变毒。 构成:氮氧化物吸收催化剂体系的脱硫方法包括以下步骤:确定(S110)DPF再生的成功次数是否达到DPF再生的成功的预定数量; 当DPF再生的成功次数达到预定次数的DPF再生时,通过终止DPF再生来执行(S120)脱硫; 进入脱硫模式; 在规定时间内终止(S160)脱硫后的脱硫; 计算和校准(S170)脱硫结束后脱硫时产生的DPF中收集的PM-10(细粉尘)的量; 确定以下DPF再生的时间; 并将氮氧化物吸收催化剂的内部的温度(T)与脱硫时的氮氧化物吸收催化剂的劣化温度(X)进行比较。 (附图标记)(S100)正常NO_X净化操作模式; (S110)达到预定数量的DPF再生成功; (S120)终止DPF再生后立即进入脱硫模式; (S130)维持低于预定值的λ(λ)值; (S140)LNT催化剂内部温度(T)>劣化温度(X) (S150)脱硫预定时间? (S160)终止脱硫; (S170)计算和校正在脱硫期间由PM产生的DPF中收集的PM的量; (S180)将模式切换为正常的稀薄操作,以防止催化剂过热; (S190)LNT催化剂内部温度(T)≤预定温度(Y)

    차량에서 2차 분사 배기가스 정화장치 및 방법
    57.
    发明公开
    차량에서 2차 분사 배기가스 정화장치 및 방법 无效
    用于控制汽车二次注射的系统及其方法

    公开(公告)号:KR1020110062617A

    公开(公告)日:2011-06-10

    申请号:KR1020090119396

    申请日:2009-12-03

    Abstract: PURPOSE: A device and method for purifying secondary injection exhaust gas from vehicle is provided to improve the purifying efficiency of exhaust gas following with the dynamic operation of an engine. CONSTITUTION: A device and method for purifying secondary injection exhaust gas from vehicle comprises a harmful material purification catalyst(10), a secondary injection system, and a controller(40). The harmful material purification catalyst is installed in the fixed position of an exhaust pipe(6) connected to an engine(2). The secondary injection system supplies reducing agent or fuel to catalyst. The controller determines an operation section according to engine RPM and fuel ejection amount under a secondary spray condition. The controller determines a secondary fuel injection pattern by applying a secondary ejection map based on the operation section. The controller purifies NOx and particulate matters by supplying fuel or reducing agent to catalyst using the secondary injection system.

    Abstract translation: 目的:提供一种用于净化车辆二次注入废气的装置和方法,以提高发动机动态运行后废气的净化效率。 构成:用于净化车辆二次注入废气的装置和方法包括有害物质净化催化剂(10),二次注射系统和控制器(40)。 有害物质净化催化剂安装在与发动机(2)连接的排气管(6)的固定位置。 二次注射系统向催化剂供应还原剂或燃料。 控制器根据发动机RPM和二次喷射状态下的燃料喷射量确定操作部。 控制器通过基于操作部分应用二次喷射图来确定二次燃料喷射模式。 控制器通过使用二次注射系统向催化剂供应燃料或还原剂来净化NOx和颗粒物质。

    차량의 매연 촉매여과장치의 제어장치 및 그 제어방법
    58.
    发明公开
    차량의 매연 촉매여과장치의 제어장치 및 그 제어방법 无效
    催化颗粒过滤器控制系统及其控制方法

    公开(公告)号:KR1020070092518A

    公开(公告)日:2007-09-13

    申请号:KR1020060022771

    申请日:2006-03-10

    Inventor: 이진하

    CPC classification number: Y02A50/2322

    Abstract: An apparatus and a method for controlling a smoke catalyst filtering unit for a vehicle are provided to prevent the catalyst filtering unit from being blocked by the smoke generated in a failure of an engine. An apparatus for controlling a smoke catalyst filtering unit for a vehicle includes a catalyst filtering unit(16), a bypass pipe, a bypass valve(22), and a control unit. The catalyst filtering unit is connected to a diesel engine and is installed in an exhaust gas pipe through which exhaust gas is discharged to purify smoke. The bypass pipe is branched out from the front end of the catalyst filtering unit so that the exhaust gas can be bypassed without passing through the catalyst filtering unit. The bypass valve opens and closes the bypass pipe. If the smoke is excessively discharged due to a problem of the diesel engine, the bypass valve is opened to bypass the smoke and the operation of an EGR(Exhaust Gas Recirculation) system is stopped by the control unit.

    Abstract translation: 提供了一种用于控制用于车辆的烟雾催化剂过滤单元的装置和方法,以防止催化剂过滤单元被发动机故障中产生的烟雾所阻挡。 一种用于控制用于车辆的烟雾催化剂过滤单元的设备包括催化剂过滤单元(16),旁通管,旁通阀(22)和控制单元。 催化剂过滤单元连接到柴油发动机,并且安装在排气管道中,排气排出以排出烟气。 旁通管从催化剂过滤单元的前端分支,使得废气可以被旁路而不通过催化剂过滤单元。 旁通阀打开和关闭旁通管。 如果由于柴油机的问题而使烟雾过度排放,则旁通阀打开以绕过烟雾,并且控制单元停止EGR(排气再循环)系统的操作。

    질소산화물 제거 촉매와 촉매 여과 장치를 구비한NOx-PM 동시 저감 장치의 재생 제어 방법 및 장치
    59.
    发明授权
    질소산화물 제거 촉매와 촉매 여과 장치를 구비한NOx-PM 동시 저감 장치의 재생 제어 방법 및 장치 有权
    질소산화물제거촉매와촉매여과장치를구비한NOx-PM동시저감장치의재생제어방법및장

    公开(公告)号:KR100680792B1

    公开(公告)日:2007-02-08

    申请号:KR1020050120264

    申请日:2005-12-09

    Inventor: 이진하

    Abstract: A method and an apparatus for controlling regeneration of a simultaneous NOx-PM reduction apparatus, comprising a lean NOx trap and a catalytic particulate filter are provided to improve regeneration efficiency by performing regeneration under the two-step exhaust gas temperature condition including a mild regeneration step where the inner temperature of the catalytic particulate filter is equal to or lower than 700 Deg.C and a strong regeneration step where the inner temperature of the catalytic particulate filter is equal to or higher than 800 Deg.C. An apparatus comprises a first exhaust gas temperature sensor(120) for detecting the temperature of exhaust gas of an engine(160); a second exhaust gas temperature sensor(125) for detecting the temperature of exhaust gas flowing between a lean NOx trap and a catalytic particulate filter in a simultaneous NOx-PM reduction apparatus(100); a catalytic particulate filter temperature sensor(130); a differential pressure sensor(135) for measuring the pressure drop of the simultaneous NOx-PM reduction apparatus; an oxygen sensor(140) for detecting the oxygen density of the exhaust gas of the engine; a NOx sensor(145) for detecting the NOx density of the exhaust gas; and a control unit for controlling regeneration of the simultaneous NOx-PM reduction apparatus on the basis of the signals received from the sensors.

    Abstract translation: 提供了一种用于控制包括贫NOx捕集器和催化颗粒过滤器的同时NOx-PM还原设备的再生的方法和设备,以通过在包括温和再生步骤的两步排气温度条件下进行再生来提高再生效率 其中催化微粒过滤器的内部温度等于或低于700℃并且催化微粒过滤器的内部温度等于或高于800℃的强再生步骤。 一种设备包括:第一排气温度传感器(120),用于检测发动机(160)的排气温度; 第二排气温度传感器(125),用于检测在同时NOx-PM减少装置(100)中在贫NOx捕集器和催化微粒过滤器之间流动的排气的温度; 催化颗粒过滤器温度传感器(130); 差压传感器(135),用于测量所述同时NOx-PM降低装置的压降; 氧传感器(140),用于检测发动机排气的氧浓度; NOx传感器(145),用于检测排气的NOx密度; 以及控制单元,用于基于从传感器接收的信号来控制同时的NOx-PM降低装置的再生。

    연료분해촉매를 이용한 질소산화물 및 입자상 물질 동시저감 시스템
    60.
    发明公开
    연료분해촉매를 이용한 질소산화물 및 입자상 물질 동시저감 시스템 有权
    NOX-PM同时还原系统使用燃料裂化催化剂

    公开(公告)号:KR1020060002178A

    公开(公告)日:2006-01-09

    申请号:KR1020040051115

    申请日:2004-07-01

    Inventor: 이진하

    Abstract: 본 발명은 질소산화물 및 입자상 물질 동시 저감 시스템에 관한 것으로서, 전방으로 CPF가 설치되고, 그 후방에는 NOx 흡장촉매와 DOC가 직렬 설치되며, 상기 CPF 전방의 배기 파이프에서 분기되어 NOx 흡장촉매의 전방에 출구를 가지는 배기가스 배관이 설치되되, 이 배기가스 배관에는 DFC와 이 DFC 전단으로 디젤 연료를 분사하는 2차 분사노즐이 설치되는 한편, 상기 DFC 전방의 배기가스 배관상에 위치되는 배기가스 분배밸브와 상기 DOC 후방(NOx 흡장촉매 후방)에 위치되는 NOx 센서가 설치되어, ECU가 NOx 센서의 신호로부터 재생시점을 판단하게 되면 상기 배기가스 분배밸브를 개방함과 아울러 상기 2차 분사노즐을 작동시켜 NOx 흡장촉매의 재생이 이루어지도록 한 질소산화물 및 입자상 물질 동시 저감 시스템에 관한 것이다. 이러한 본 발명에 의하면, CPF와 NOx 흡장촉매의 효율과 연비를 동시에 높일 수 있으며, NOx 흡장촉매의 재생시에 환원제로 작용하는 연료를 NOx 흡장촉매에 직접 분사하던 것에 비해 촉매의 열화가 방지되는 장점이 있게 된다. 또한, 엔진에서의 연료 후분사에 의해 전방의 CPF에서 산화반응이 일어나 온도가 상승하는 바, 탈황 과정에 필요한 온도가 쉽게 달성되는 장점이 있다.
    질소산화물, 입자상 물질, NOx 흡장촉매, 연료분해촉매

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