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公开(公告)号：KR101637259B1
公开(公告)日：2016-07-07
申请号：KR1020100065016
申请日：2010-07-06
IPC: B01J23/89 , B01J23/652 , B01D53/94 , B01J37/02
Abstract: 본발명의실시예에따른산화촉매는, 배기라인의한쪽에설치되어배기가스에포함된질소산화물을흡착하고제거하는질소산화물정화촉매, 상기배기라인의다른한쪽에설치되어배기가스에포함된입자상물질을여과하는매연여과필터, 및상기배기라인의또 다른한쪽에설치되어배기가스에포함된유해물질을산화시키는산화촉매를포함하고, 상기산화촉매는, Pt(백금), Pd(팔라듐), 및 M으로구성된촉매성분을포함하고, 상기 M은 Co, Cr, Cu, Fe, Mo, Ni, W 중선택된하나이다. 따라서, 촉매성분에포함된철성분은황성분과산화반응하여다른촉매성분(Pt, Pd)가황에오염되는것을방지하고, 알루미나와반응하여알루미늄설페이트가생성되는것을방지하고, 내구성을향상시킨다.
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公开(公告)号：KR1020130003980A
公开(公告)日：2013-01-09
申请号：KR1020110065667
申请日：2011-07-01
Inventor： 이진하
CPC classification number: F01N9/002 , F01N3/023 , F01N3/0293 , F01N3/035 , F01N3/103 , F01N3/206 , F01N3/2066 , F01N3/208 , F01N2610/01 , F01N2610/02 , F01N2610/14 , F01N2610/1406 , F01N2610/1433 , F01N2610/1486 , F01N2900/1406 , Y02T10/24 , Y02T10/47
Abstract: PURPOSE: An exhaust gas purification device and an exhaust system with the same are provided to prevent thermal deterioration in selective catalytic reduction by lowering regeneration temperature for a soot filter. CONSTITUTION: An exhaust gas purification device comprises an exhaust pipe(20), a soot filter(50), and a first injector(60). The exhaust pipe is connected to an engine, and exhaust gas generated from the engine flows into the exhaust pipe. The soot filter is mounted on the exhaust pipe, and selective catalytic reduction is coated on the soot filter to collect particulate matters contained in the exhaust gas. The first injector injects a reducing agent to the exhaust gas. The reducing agent contains oxygen-storage materials. The reducing agent is urea or ammonia. The oxygen-storage materials are cerium or iron.
Abstract translation: 目的：提供一种废气净化装置及其排气系统，以通过降低烟尘过滤器的再生温度来防止选择性催化还原中的热劣化。 构成：废气净化装置包括排气管（20），烟灰过滤器（50）和第一喷射器（60）。 排气管与发动机连接，从发动机产生的废气流入排气管。 烟尘过滤器安装在排气管上，并且选择性催化还原被涂覆在烟灰过滤器上以收集废气中包含的颗粒物质。 第一喷射器向废气喷射还原剂。 还原剂含有储氧材料。 还原剂是尿素或氨。 储氧材料是铈或铁。
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公开(公告)号：KR1020120060633A
公开(公告)日：2012-06-12
申请号：KR1020100122235
申请日：2010-12-02
Applicant: 현대자동차주식회사 , 기아자동차주식회사 , 훼브 유럽 게엠베하
CPC classification number: F01N3/0814 , F01N3/025 , F01N3/0842 , F01N3/0871 , F01N11/00 , F01N2240/30 , F01N2250/12 , F01N2550/03 , F01N2560/025 , F01N2610/03 , F01N2900/1402 , F01N2900/1404 , F01N2900/1411 , F01N2900/1614 , F01N2900/1621 , Y02T10/47
Abstract: PURPOSE: A method for the estimating amount of NOX(Nitrogen Oxide) stored in a denitrification catalyst and an exhaust device using the same are provided to improve the fuel efficiency by controlling spraying amount of a reducing agent and a regeneration time. CONSTITUTION: A method for the estimating amount of NOX stored in a denitrification catalyst(40) is as follows. A mass flow of the NOx stored in a denitrification catalyst is calculated. The mass flow of the NOx thermally attached and detached from the denitrification catalyst is calculated. The mass flow of the NOx chemically attached and detached from the denitrification catalyst is calculated. The true amount of the NOx stored in the denitrification catalyst is calculated using the mass flow of thermally desorbed NOx and the mass flow of chemically desorbed NOx.
Abstract translation: 目的：提供一种用于估计存储在脱氮催化剂中的NOX（氮氧化物）的量和使用其的排气装置，以通过控制还原剂的喷射量和再生时间来提高燃料效率。 构成：用于估计在脱氮催化剂（40）中储存的NO x的量的方法如下。 计算存储在脱氮催化剂中的NOx的质量流量。 计算从脱氮催化剂热附着和分离的NOx的质量流量。 计算从脱氮催化剂化学附着和分离的NOx的质量流量。 使用热解吸的NOx的质量流量和化学解吸的NOx的质量流量计算存储在脱氮催化剂中的真空量。
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公开(公告)号：KR101091627B1
公开(公告)日：2011-12-08
申请号：KR1020090081574
申请日：2009-08-31
CPC classification number: F01N3/206 , F01N11/002 , F01N11/007 , F01N2260/04 , F01N2560/025 , F01N2560/06 , F01N2610/04 , F01N2900/1602 , Y02T10/47
Abstract: 따라서, 질소산화물정화촉매또는연료분해촉매의열화도가설정된수치보다높다고판단되면, 다음추가연료분사시인젝터의연료분사패턴을가변시킴으로써촉매의열화도에효과적으로대응할수 있다.
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公开(公告)号：KR101091626B1
公开(公告)日：2011-12-08
申请号：KR1020090070987
申请日：2009-07-31
CPC classification number: F01N3/208 , F01N3/035 , F01N3/105 , F01N2610/03 , Y02T10/24
Abstract: 본발명의실시예에따른배기장치는배기파이프에장착되어연료를추가분사하는인젝터, 상기인젝터의후단의배기파이프에장착되어추가분사된연료를열분해를통하여고반응성의환원제로변환시키는디젤연료분해촉매, 상기디젤연료분해촉매의후단의배기파이프에장착되어배기가스에포함된질소산화물을저장하고추가분사되는연료에의하여상기저장된질소산화물을탈착하여상기고반응성의환원제와의산화-환원반응을통하여환원시키는질소산화물저감촉매, 그리고엔진의운전조건에따라연료의추가분사를제어하는제어부를포함하고, 상기제어부는엔진의운전조건이연료의추가분사조건과연료의추가분사시기조건을만족하는경우설정된분사패턴에따라연료를추가분사하도록상기인젝터를제어한다.
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Patent Agency Ranking
公开(公告)号：KR1020110020123A
公开(公告)日：2011-03-02
申请号：KR1020090077855
申请日：2009-08-21
CPC classification number: Y02T10/47 , F01N3/2033 , F01N3/035 , F01N3/36 , F01N2550/02 , F01N2560/025 , F01N2560/06 , F01N2560/08
Abstract: PURPOSE: An exhaust system is provided to rapidly normalize purification efficiency of catalyst by rapid heating under fixed operation conditions when degradation degree of nitric oxide purification catalyst or fuel catalyst is higher than a fixed level. CONSTITUTION: An exhaust system comprises an exhaust line(150), a nitric oxide purification catalyst(160), an injector(120), and a controller(110). The exhaust gas exhausted from an engine passes through an exhaust line. The nitric oxide purification catalyst is placed in the exhaust line and reduces nitric oxide included in the exhaust gas. The injector is installed at the front-end of the nitric oxide purification catalyst. The injector additionally sprays fuel for the production of reducing agent. The injector removes nitric oxide stored in the nitric oxide purification catalyst. The controller controls the engine to additionally spray fuel under a fixed operation condition when the nitric oxide purification catalyst is deteriorated. The controller performs rapid heating up to increase the temperature of the nitric oxide purification catalyst.
Abstract translation: 目的：提供一种排气系统，在一氧化氮净化催化剂或燃料催化剂的降解程度高于固定水平时，在固定运行条件下快速加热催化剂的净化效率。 构成：排气系统包括排气管线（150），一氧化氮净化催化剂（160），喷射器（120）和控制器（110）。 从发动机排出的排气通过排气管。 将一氧化氮净化催化剂置于排气管中并减少废气中包含的一氧化氮。 注射器安装在一氧化氮净化催化剂的前端。 喷射器还喷射燃料用于生产还原剂。 注射器除去存储在一氧化氮净化催化剂中的一氧化氮。 当一氧化氮净化催化剂劣化时，控制器控制发动机在固定操作条件下另外喷射燃料。 控制器快速升温以增加一氧化氮净化催化剂的温度。
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公开(公告)号：KR1020090064008A
公开(公告)日：2009-06-18
申请号：KR1020070131563
申请日：2007-12-14
CPC classification number: F01N3/2066 , B01D53/9418 , B01D53/944 , B01D53/9477 , B01D2251/2067 , B01D2255/1021 , B01D2255/1023 , B01D2255/20738 , B01D2255/50 , B01D2255/915 , B01D2258/012 , B01J29/072 , F01N3/035 , F01N3/10 , F01N3/2073 , F01N2250/02 , F01N2570/14 , F01N2610/00 , Y02A50/2341 , Y02A50/2344 , Y02T10/24
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。
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公开(公告)号：KR101305198B1
公开(公告)日：2013-09-26
申请号：KR1020110132255
申请日：2011-12-09
Applicant: 현대자동차주식회사 , 기아자동차주식회사 , 서울대학교산학협력단
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.-
公开(公告)号：KR1020130037553A
公开(公告)日：2013-04-16
申请号：KR1020110102014
申请日：2011-10-06
CPC classification number: F01N11/00 , F01N3/021 , F01N2550/04 , F01N2560/05 , F01N2900/0601 , Y02T10/20 , Y02T10/47
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。
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公开(公告)号：KR101234637B1
公开(公告)日：2013-02-19
申请号：KR1020100115239
申请日：2010-11-18
Applicant: 현대자동차주식회사 , 훼브 유럽 게엠베하 , 기아자동차주식회사
CPC classification number: F02D41/0072 , F01N3/035 , F01N3/208 , F01N11/007 , F01N13/009 , F01N13/02 , F01N2240/30 , F01N2610/02 , F01N2900/08 , F01N2900/12 , F01N2900/1402 , F02D35/021 , F02D41/0225 , F02D41/1462 , F02D41/18 , F02D2200/021 , F02D2200/0414 , F02D2200/101 , Y02T10/24 , Y02T10/47
Abstract: 본 발명은 엔진에서 발생되는 배기 가스에 포함된 질소산화물의 양을 정확히 예측하는 방법 및 상기 질소산화물의 양에 따라 분사되는 환원제의 양을 조절하거나 연소 분위기를 조절하는 배기 장치에 관한 것이다.
본 발명의 실시예에 따른 질소산화물의 양을 예측하는 방법은 엔진의 운전 조건에 따라 기준 NOx양을 계산하는 단계; EGR(Exhaust Gas Recirculation)율에 따라 상기 기준 NOx양을 1차로 보정하는 단계; 그리고 환경 인자에 따라 1차로 보정된 NOx양을 2차로 보정하는 단계;를 포함할 수 있다.
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