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公开(公告)号:KR101905566B1
公开(公告)日:2018-10-08
申请号:KR1020160152652
申请日:2016-11-16
Applicant: 현대자동차주식회사
CPC classification number: B01J37/0246 , B01D2255/00 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/0871 , F01N3/101 , F01N9/00 , F01N13/009 , F01N2370/04 , F01N2510/063 , F01N2900/1602 , Y02T10/22 , Y02T10/47
Abstract: 배기가스정화장치가개시된다. 상기배기가스정화장치는엔진의배기가스를정화시키도록구비되는배기가스정화장치에있어서, 상기엔진에서배출되는배기가스가통과하는배기라인, 상기배기라인에설치되고, 상기배기가스에서배출된질소산화물을흡장하고, 촉매의온도가설정값이상도달하면흡장된질소산화물을탈착하는 NOx 흡장촉매, 그리고상기 NOx 흡장촉매의후단에배치되고, 상기 NOx 흡장촉매에서탈착된질소산화물을정화하는삼원촉매(Three Way Catalyst, TWC)를포함하며, 상기 NOx 흡장촉매는, LTA 제올라이트촉매를포함할수 있다.
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公开(公告)号:KR101865744B1
公开(公告)日:2018-06-08
申请号:KR1020160153507
申请日:2016-11-17
Applicant: 현대자동차주식회사
Inventor: 이효경
CPC classification number: B01D53/9477 , B01D53/885 , B01D53/94 , B01D53/9418 , B01D53/944 , B01D53/9495 , B01D2255/50 , B01D2255/904 , B01D2255/915 , B01J29/061 , B01J29/7053 , F01N3/035 , F01N3/103 , F01N3/2066 , F01N3/208 , F01N13/009 , F01N13/0097 , F01N13/16 , F01N2330/06 , F01N2370/04 , F01N2610/02 , F01N2610/1453
Abstract: 배기가스정화장치가개시된다. 상기배기가스정화장치는엔진의배기가스를정화시키도록구비되는배기가스정화장치에있어서, 상기엔진에서배출되는배기가스가통과하는배기라인, 상기배기라인에설치되어배기가스중 탄화수소(HC)와일산화탄소(CO)를정화시키는디젤산화촉매(Diesel Oxidation Catalyst; DOC), 상기배기라인내부에우레아수용액을분사하는우레아인젝터(Urea Injector), 그리고상기우레아수용액을이용하여상기디젤산화촉매를통과한배기가스의질소산화물을저감시키는선택적환원촉매(Selective Catalyst Reduction; SCR)를를 포함하며, 상기디젤산화촉매는, LTA 제올라이트촉매를포함할수 있다.
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公开(公告)号:KR101795394B1
公开(公告)日:2017-12-01
申请号:KR1020160064380
申请日:2016-05-25
Applicant: 현대자동차주식회사
CPC classification number: F01N3/208 , B01D53/9418 , B01D53/9495 , B01D2255/2073 , B01D2255/20738 , B01D2255/20761 , B01D2255/50 , B01D2255/91 , B01D2258/012 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N9/00 , F01N13/009 , F01N13/0093 , F01N2370/00 , F01N2610/02 , F01N2610/1453 , F01N2900/1411 , F01N2900/1602 , F01N2900/1614 , Y02T10/24 , Y02T10/47 , B01J23/34 , B01J29/044 , F01N3/2066 , F01N2560/06 , F01N2570/14 , F01N2610/146
Abstract: 본발명의일 실시예에따른배기시스템은, 배기라인에설치되어제1 온도이하에서배기가스에포함된질소산화물을포집하는질소산화물저장(CSC) 촉매장치와, 상기질소산화물저장촉매장치후단에설치되어배기가스에포함된질소산화물을저감시키는제1 선택적환원촉매(SCR) 장치, 및상기질소산화물저장촉매장치전단에설치되어상기제1 온도초과시우레아수용액을공급하는제1 우레아인젝터를포함한다.
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公开(公告)号:KR101459848B1
公开(公告)日:2014-11-07
申请号:KR1020120145782
申请日:2012-12-13
Applicant: 현대자동차주식회사
Inventor: 이효경
CPC classification number: B01J23/44 , B01D53/944 , B01D2255/1021 , B01D2255/1023 , B01D2255/2065 , B01D2255/2092 , B01D2255/50 , B01D2255/9022 , B01D2255/9032 , B01D2255/908 , B01D2258/012
Abstract: 본 발명은, 담체의 표면에 마련되며, Pd을 CeO
2 의 지지체로 하여 담지된 제1촉매; 상기 제1촉매의 표면에 마련되며, Pt을 Al
2 O
3 의 지지체로 하여 담지된 제2촉매;를 포함하여 구성되는 디젤산화촉매가 소개된다.-
公开(公告)号:KR101305182B1
公开(公告)日:2013-09-12
申请号:KR1020100120937
申请日:2010-11-30
Applicant: 현대자동차주식회사
Inventor: 이효경
IPC: B01J23/38 , B01J29/068 , B01J35/04 , B01D53/94
CPC classification number: B01J29/0308 , B01J35/1061
Abstract: 본 발명은 귀금속을 활용한 촉매로서 담체에 귀금속이 포함된 촉매를 코팅하여 제작하는 자동차 배기가스 정화용 촉매에 있어서, 상기 담체는 중기공을 갖는 구조체인 귀금속을 활용한 촉매를 제공하여,
귀금속 입자가 골고루 분산되어 반응 표면적을 크게 할 수 있고, 황피독된 담체의 소결시에는 구조체 채널의 한 쪽 입구가 막히더라도 채널의 반대 쪽의 입구를 통해 배기가스가 출입할 수 있도록 하여 활성을 갖도록 하는 효과가 있다.-
公开(公告)号:KR101091625B1
公开(公告)日:2011-12-08
申请号:KR1020090080779
申请日:2009-08-28
Applicant: 현대자동차주식회사
Inventor: 이효경
Abstract: 본발명의실시예에따른배기시스템은, 연소된배기가스가통과하여외부로배출되는배기라인, 상기배기라인에연료를분사하는인젝터, 상기인젝터에서추가분사된연료를환원제로변환시키고, 배기가스에포함된질소산화물의일부를타지않은연료또는탄화수소를이용하여환원시키고, 질소산화물의다른일부는내부로확산시켜저장하도록상기배기라인에설치된질소산화물정화촉매및 설정된조건에서상기인젝터를제어하여연료를추가분사하도록하는제어부를포함하고, 상기질소산화물정화촉매는, 상기인젝터에서추가분사된연료에의해서형성된환원제를이용하여그 저장된질소산화물을탈착시켜환원시킨다.
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公开(公告)号:KR1020110023146A
公开(公告)日:2011-03-08
申请号:KR1020090080779
申请日:2009-08-28
Applicant: 현대자동차주식회사
Inventor: 이효경
Abstract: PURPOSE: An exhaust system is provided to effectively remove the nitrogen oxide included in exhaust gas through the fuel decomposition catalyst layer, the reduction catalyst layer, and the storage catalyst layer. CONSTITUTION: An exhaust system comprises an exhaust line through which exhaust gas is discharged to outside, an injector which injects fuel to the exhaust line or an engine cylinder, a nitrogen oxide purification catalyst(320) which transforms the fuel additionally injected from the injector into reducing agent and reduces a part of nitrogen oxide with unburned fuel or hydrocarbon while dispersing the rest to be stored, and a controller which controls the injector to inject additional fuel.
Abstract translation: 目的:提供一种排气系统,通过燃料分解催化剂层,还原催化剂层和储存催化剂层有效去除排气中所含的氮氧化物。 构成:排气系统包括废气排出到外部的排气管,向排气管线或发动机气缸喷射燃料的喷射器,将从喷射器附加喷射的燃料转换成的氮氧化物净化催化剂(320) 还原剂并且在分散待储存的其余部分的同时用未燃烧的燃料或烃减少一部分氮氧化物,以及控制器,其控制喷射器以喷射额外的燃料。
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公开(公告)号:KR1020100064915A
公开(公告)日:2010-06-15
申请号:KR1020080123566
申请日:2008-12-05
Applicant: 현대자동차주식회사
CPC classification number: Y02A50/2322 , Y02T10/47 , F01N3/20 , F01N11/00
Abstract: PURPOSE: A method for determining the NOx adsorption rate of catalyst in a vehicle is provided to improve the accuracy of timing requiring NOx regeneration. CONSTITUTION: A method for determining the NOx adsorption rate of catalyst in a vehicle comprises the steps of: determining whether catalyst regeneration is completed during driving of the vehicle(S101,S102), after completion of the catalyst regeneration, extracting the residual NOx amount from a map(S104), and determining the initial NOx amount of catalyst based on the extracted residual NOx amount and sulfur poisoning amount(S105).
Abstract translation: 目的:提供一种用于确定车辆中催化剂的NOx吸附速率的方法,以提高需要NOx再生的定时精度。 构成:确定车辆中催化剂的NOx吸附速度的方法包括以下步骤:确定在车辆行驶期间催化剂再生是否完成(S101,S102),催化剂再生完成后,从 映射(S104),并且基于提取的残留NOx量和硫中毒量来确定催化剂的初始NOx量(S105)。
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公开(公告)号:KR1020100027604A
公开(公告)日:2010-03-11
申请号:KR1020080086590
申请日:2008-09-03
Applicant: 현대자동차주식회사
Inventor: 이효경
CPC classification number: B01J21/04 , B01D53/9409 , B01J23/50 , B01J29/46 , B01J37/0215 , B01J37/08 , B01J37/30 , F01N3/10
Abstract: PURPOSE: A diesel oxidation catalyst and a method for producing thereof are provided to effectively eliminated nitric oxide exhausted from a diesel engine, and to facilitate the application to the diesel engine by a lean nitric oxide catalyst without using a separate engine control device to supply a reducing agent. CONSTITUTION: A diesel oxidation catalyst is produced by mixing an Ag/Al_2O_3 catalyst produced from 2wt% of Ag and 98wt% of Al_2O_3, and a Cu/ZSM_5 catalyst produced from 4.66wt% of Cu and 95.34wt% of ZSM_5 in a volume ratio of 2:1. The producing method of Cu/ZSM_5 catalyst comprises the following steps: performing an ion exchange process for 5 hours at room temperature after adding Cu(CH_3CO_2)2-H_2O and ZSM_5 to distilled water; drying the mixture for 12 hours at 110 deg C after washing the mixture with the distilled water; obtaining Cu/ZSM5 powder by sintering the mixture at 500 deg C for 5 hours at a muffle furnace; obtaining a catalyst slurry with a viscosity of 200cpsi and a solid content of 20% by dipping the Cu/ZSM5 powder into a solution containing 5.5g of acetic acid and 64.5 milliliters of water after dispersing the Cu/ZSM5 powder into the distilled water, and milling with a ball mill to make over 94% of whole particles to have a particle size under 7 micrometers after setting the pH into 4.2; coating the catalyst slurry by dipping into a cordierite carrier; drying the catalyst slurry at 150 deg C for 2 hours; and sintering the catalyst slurry at 450~550 deg C for 4 hours.
Abstract translation: 目的:提供柴油氧化催化剂及其制造方法,以有效地除去从柴油发动机排出的一氧化氮,并且通过贫一氧化氮催化剂促进对柴油发动机的应用,而不使用单独的发动机控制装置来供应 还原剂。 构成:通过将由2重量%的Ag和98重量%的Al_2O_3生成的Ag / Al_2O_3催化剂和由4.66重量%的Cu和95.34重量%的ZSM_5产生的Cu / ZSM_5催化剂以体积比混合制备柴油氧化催化剂 为2:1。 Cu / ZSM_5催化剂的制备方法包括以下步骤:在蒸馏水中加入Cu(CH_3CO_2)2-H_2O和ZSM_5后,在室温下进行离子交换5小时; 在用蒸馏水洗涤混合物之后,将混合物在110℃下干燥12小时; 通过在马弗炉中在500℃下烧结混合物5小时获得Cu / ZSM5粉末; 在将Cu / ZSM5粉末分散到蒸馏水中后,通过将Cu / ZSM5粉末浸入含有5.5g乙酸和64.5毫升水的溶液中,得到粘度为200cpsi,固含量为20%的催化剂浆料,以及 用球磨机研磨,使pH值达到4.2以后,超过94%的全粒子具有7微米以下的粒径; 通过浸入堇青石载体涂覆催化剂浆料; 将催化剂浆液在150℃下干燥2小时; 并在450〜550℃烧结催化剂浆料4小时。
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公开(公告)号:KR1020070075194A
公开(公告)日:2007-07-18
申请号:KR1020060003674
申请日:2006-01-12
Applicant: 현대자동차주식회사
Inventor: 이효경
CPC classification number: Y02A50/2322
Abstract: An occlusion type NOx reduction catalyst coating structure in a diesel engine is provided to divide the coating layers depending on their functions to effectively remove the NOx. An occlusion type NOx reduction catalyst coating structure in a diesel engine includes a plurality of coating layers containing a carrier(1). The carrier is formed of a codierite composite. The coating layers include an inner coating layer(3), and an outer coating layer(5). The inner coating layer is coated on the carrier. The inner coating layer is coated with an absorption material weak to thermal damage. The absorption material is formed of Ba, K, and Ca. The outer coating layer is formed on the inner coating layer. The outer coating layer is formed of Pt or Rh with high oxidation power.
Abstract translation: 提供柴油发动机中的闭塞型NOx还原催化剂涂层结构,以根据其功能划分涂层以有效地除去NOx。 柴油发动机中的封闭型NOx还原催化剂涂层结构包括多个包含载体(1)的涂层。 载体由堇青石复合材料形成。 涂层包括内涂层(3)和外涂层(5)。 内涂层涂覆在载体上。 内涂层涂覆有不易受热损伤的吸收材料。 吸收材料由Ba,K和Ca组成。 外涂层形成在内涂层上。 外涂层由具有高氧化能力的Pt或Rh形成。
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