배기 가스 정화 장치
    11.
    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。

    배기 가스 내의 질소산화물 저감 장치
    12.
    发明公开
    배기 가스 내의 질소산화물 저감 장치 有权
    用于减少排气中含有的氮氧化物的装置

    公开(公告)号:KR1020090064008A

    公开(公告)日:2009-06-18

    申请号:KR1020070131563

    申请日:2007-12-14

    Abstract: A nitrogen oxide reduction system within exhaust gas is provided to reduce NOx within the exhaust gas because NOx is returned in the SCR apparatus by oxidizing NO to NO2 using NO2. A nitrogen oxide reduction system within exhaust gas comprises a DOC(Diesel Oxidation Catalyst) unit(30), a CPF(Catalyzed Particulate Filter) unit(40), a injection nozzle(50) and a SRC(Selective Catalytic Reduction) uint(60). The DOC unit oxidizes total hydrocarbon(THC) and carbon monoxide(CO) included in the exhaust gas with the first diesel oxidation catalyst primarily. The CPF is installed at the rear end of the DOC unit and is delivered the exhaust gas oxidized primarily. In the CPF, THC and CO are oxidized in the first oxidation reaction with the heat of oxidation and the generated second DOC secondarily. The NO(Nitrogen MONOxide) is oxidized with the heat of oxidation and the second DOC to the NO(Nitrogen Dioxide)2.

    Abstract translation: 提供废气中的氮氧化物还原系统以减少废气中的NOx,因为通过使用NO 2将NO氧化为NO 2,在SCR装置中返回NOx。 废气中的氮氧化物还原系统包括DOC(柴油氧化催化剂)单元(30),CPF(催化颗粒过滤器)单元(40),注射喷嘴(50)和SRC(选择性催化还原) )。 DOC单元主要用第一种柴油氧化催化剂氧化废气中包含的总烃(THC)和一氧化碳(CO)。 CPF安装在DOC单元的后端,并将主要被氧化的废气送达。 在CPF中,THC和CO在氧化反应的第一次氧化反应中被氧化,二氧化碳被二次氧化。 NO(氮氧化物)被氧化,第二DOC氧化为NO(二氧化氮)2。

    자동차용 디젤엔진의 입자상물질 제거용 필터
    13.
    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%。

    입자상물질 센서유닛
    16.
    发明授权
    입자상물질 센서유닛 有权
    颗粒物传感器单元

    公开(公告)号:KR101305198B1

    公开(公告)日:2013-09-26

    申请号:KR1020110132255

    申请日:2011-12-09

    CPC classification number: G01N27/02 F01N2560/05 G01N15/0656 G01N33/0027

    Abstract: 본 발명의 실시예에 따른 입자상물질 센서유닛은 배기가스가 지나는 배기라인, 및 상기 배기라인의 일측에 설치되어, 상기 배기가스에 포함된 입자상물질이 인접하여 지날 때 신호를 발생시키는 피엠센서를 포함하고, 상기 피엠센서는, 그 전면부에 돌출되어 형성되고, 설정된 폭간격과 설정된 길이간격을 두고 배열되는 돌출부, 그 후면부에는 양단에서 공급되는 전류에 의해서 열을 발생시켜, 상기 전면부에 부착된 입자상물질을 태워 제거하는 히터전극, 및 상기 히터전극과 인접하여 상기 신호를 외부로 전달하기 위한 센싱전극패드를 포함한다.
    따라서, 디젤매연필터(DPF)의 매연(soot)과 같은 입자상물질의 포집량이나 배기가스에 포함된 입자상물질의 양을 정밀하게 판단함으로써 강화되는 배기가스 규제에 효과적으로 대응할 수 있다.

    CDA 적용 차량의 GPF 손상 방지방법
    17.
    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.

    배기가스 처리방법
    18.
    发明公开
    배기가스 처리방법 无效
    排气加工装置

    公开(公告)号:KR1020130037553A

    公开(公告)日:2013-04-16

    申请号:KR1020110102014

    申请日:2011-10-06

    Inventor: 이진하 조지호

    Abstract: PURPOSE: A method for disposing exhaust gas is provided to precisely detect the damage of a diesel particulate filter using differential pressure between the front and the rear end of the diesel particulate filter. CONSTITUTION: A method for disposing exhaust gas includes: a step of calculating the model amount of a sensor collecting particulate collected by a particulate sensor(140) under the normal condition of a diesel particulate filter(130) based on a condition for engine driving and the variation of the condition; a step of calculating the actual amount of the sensor collecting particulate attached to the particulate sensor using the actual signal of the particulate sensor; and a step of the status of the diesel particulate sensor by comparing the model amount of the sensor collecting particulate and the actual amount of the sensor collecting particulate.

    Abstract translation: 目的:提供废气排放的方法,以便通过柴油机微粒过滤器的前端和后端之间的差压来精确检测柴油颗粒过滤器的损坏。 构成:排气处理方法包括:基于发动机驱动条件,计算在柴油机微粒过滤器(130)的正常状态下由颗粒传感器(140)收集的颗粒收集颗粒的模型量的步骤; 条件的变化; 使用颗粒传感器的实际信号计算附着到颗粒传感器的传感器收集颗粒的实际量的步骤; 以及通过比较传感器收集颗粒的模型量和传感器收集颗粒的实际量来确定柴油颗粒传感器的状态的步骤。

    질소산화물 흡장 촉매 시스템의 탈황 방법
    19.
    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)

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