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公开(公告)号：KR101189241B1
公开(公告)日：2012-10-09
申请号：KR1020100121836
申请日：2010-12-02
Applicant: 현대자동차주식회사 , 기아자동차주식회사 , 훼브 유럽 게엠베하
CPC classification number: F01N3/0814 , F01N3/0253 , F01N3/0842 , F01N3/0871 , F01N11/00 , F01N13/009 , F01N2240/30 , F01N2250/12 , F01N2550/03 , F01N2560/025 , F01N2610/03 , F01N2900/1402 , F01N2900/1404 , F01N2900/1411 , F01N2900/1614 , F01N2900/1621 , Y02T10/47
Abstract: 본 발명은 질소산화물 저감 촉매의 재생 이후에 남은 질소산화물의 양과 이산화질소의 양을 정확히 예측하는 질소산화물 저감 촉매의 재생을 예측하는 방법 및 이를 이용하여 질소산화물 저감 촉매의 재생 시기 및 분사되는 환원제의 양을 조절하도록 하는 배기 장치에 관한 것이다.
본 발명의 실시예에 따른 질소산화물 저감 촉매의 재생 예측 방법은 총 환원제 질량 유량을 계산하는 단계; 상기 총 환원제 질량 유량을 이용하여 질산염 환원 반응에 사용되는 환원제 질량 유량, 이산화질소 환원 반응에 사용되는 환원제 질량 유량, 그리고 단순히 산화되는 환원제 질량 유량을 계산하는 단계; 질산염 환원 반응에 사용되는 환원제 질량 유량 및 이산화질소 환원 반응에 사용되는 환원제 질량 유량을 이용하여 탈착된 이산화질소의 질량 유량과 환원되는 이산화질소의 질량 유량을 계산하는 단계; 질소산화물 저감 촉매에서 슬립되는 이산화질소의 질량 유량을 계산하는 단계; 그리고 탈착된 이산화질소의 질량 유량, 환원되는 이산화질소의 질량 유량, 그리고 슬립되는 이산화질소의 질량 유량으로부터 재생 후 상기 질소산화물 저감 촉매에 남는 이산화질소의 질량과 질소산화물의 질량을 계산하는 단계;를 포함할 수 있다.-
公开(公告)号：KR1020120060642A
公开(公告)日：2012-06-12
申请号：KR1020100122245
申请日：2010-12-02
Applicant: 현대자동차주식회사 , 훼브 유럽 게엠베하 , 기아자동차주식회사
CPC classification number: F02D41/1441 , F01N3/0814 , F01N3/0885 , F01N9/00 , F01N11/00 , F01N2900/1612 , F02D41/0235 , F02D41/028 , F02D41/1445 , F02D41/1446 , F02D41/18 , F02D2200/0804 , F02D2200/0818 , Y02T10/47
Abstract: PURPOSE: A method for estimating the amount of sulfur oxides stored in a denox(Denitrification) catalyst and an exhaust device using the same are provided to improve the fuel efficiency by controlling the spraying amount of reducing agents and a regeneration time according to the amount of the sulfur oxides. CONSTITUTION: A method for estimating the amount of sulfur oxides stored in a denox catalyst(40) is as follows. A mass flow of the sulfur oxides poisoning the DeNOx catalyst in a present operation state of a vehicle is calculated. The mass flow of the sulfur oxides desorbed from the DeNOx catalyst in the present operation of the vehicle is calculated. An output value by subtracting the mass flow of the sulfur oxides poisoning the DeNOx catalyst from the mass flow of the sulfur oxides desorbed from the DeNOx catalyst is integrated. The mass flow of the sulfur oxides poisoning the DeNOx catalyst is calculated.
Abstract translation: 目的：提供一种用于估计脱氧（脱氮）催化剂中存储的硫氧化物的量和使用其的排气装置的方法，以通过根据减少剂的量控制还原剂的喷雾量和再生时间来提高燃料效率 硫氧化物。 构成：用于估计在脱氧催化剂（40）中储存的硫氧化物的量的方法如下。 计算在车辆的当前操作状态下使DeNO x催化剂中毒的硫氧化物的质量流量。 计算在车辆的当前操作中从DeNOx催化剂解吸的硫氧化物的质量流量。 通过减去从DeNOx催化剂脱附的硫氧化物的质量流量中减少脱硝催化剂的硫氧化物的质量流量的输出值被整合。 计算出中毒DeNOx催化剂的硫氧化物的质量流量。
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公开(公告)号：KR1020120053887A
公开(公告)日：2012-05-29
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: PURPOSE: A method for estimating quantity of NOx and an exhaust device using the same are provided to improve the fuel efficiency through controlling a combustion atmosphere or an injection rate of reducing agents by estimating the quantity of the NOx. CONSTITUTION: A method for estimating quantity of NOx is as follows. A reference quantity of the NOx is calculated according to an operation condition of an engine. The reference quantity of the NOx is corrected firstly based on EGR(Exhaust Gas Recirculation) rate(S280). The firstly corrected quantity of the NOx is corrected secondly according to environmental factors(S290).
Abstract translation: 目的：提供一种用于估计NOx量和使用其的排气装置的方法，以通过估计NOx的量来控制燃烧气氛或还原剂的喷射速率来提高燃料效率。 构成：估算NOx量的方法如下。 根据发动机的运转状况来计算NOx的参照量。 首先基于EGR（排气再循环）率来校正NOx的参考量（S280）。 根据环境因素对第一次校正的NOx量进行二次校正（S290）。
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公开(公告)号：KR1020120005748A
公开(公告)日：2012-01-17
申请号：KR1020100066378
申请日：2010-07-09
CPC classification number: B01D53/945 , B01D53/9422 , B01D53/944 , B01D2255/1021 , B01D2255/2068 , B01D2255/30 , B01D2255/91 , B01D2255/9207 , B01D2279/30 , B01J23/63 , B01J35/002 , B01J35/1019 , F01N3/035 , Y02A50/2324 , Y02T10/22
Abstract: PURPOSE: A catalyst for a diesel particulate filter, a method for manufacturing the same, a smoke reducing apparatus for diesel vehicle including the same are provided to maintain the high activity of the catalyst for a long period of time regardless of high temperature or vulcanization condition by using a silica-carried platinum-neodymium alloy. CONSTITUTION: A catalyst for a diesel particulate filter includes a silica-carried platinum-neodymium alloy. The molar ratio of the platinum and the neodymium in the alloy is 1:0.1 to 1:1.2. The content of the platinum in the total weight of the catalyst is between 0.1 and 10 weight%. One H_2-temperature programmed reduction peak of the catalyst is in a range between 400 and 800 degrees Celsius. A method for manufacturing the catalyst includes the following: A platinum precursor and a neodymium precursor are mixed in an aqueous solution. The mixture is carried in silica. The silica-carried mixture is plasticized at a temperature between 300 and 600 degrees Celsius. In the plasticizing process, a platinum-neodymium alloy is formed and the alloy is fixed to the silica.
Abstract translation: 目的：提供一种柴油机微粒过滤器的催化剂及其制造方法，包括该催化剂的柴油车辆的减烟装置，以保持催化剂的高活性长时间而不管高温或硫化条件如何 通过使用二氧化硅载体的铂 - 钕合金。 构成：用于柴油颗粒过滤器的催化剂包括二氧化硅载体的铂 - 钕合金。 合金中铂和钕的摩尔比为1:0.1至1:1.2。 铂在催化剂总重量中的含量为0.1至10重量％。 催化剂的一个H_2温度程序化还原峰在400和800摄氏度之间的范围内。 制造催化剂的方法包括：将铂前体和钕前体在水溶液中混合。 将混合物装入二氧化硅中。 二氧化硅载体的混合物在300至600摄氏度之间的温度下增塑。 在塑化过程中，形成铂 - 钕合金，并将合金固定在二氧化硅上。
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公开(公告)号：KR101091628B1
公开(公告)日：2011-12-08
申请号：KR1020090077855
申请日：2009-08-21
CPC classification number: Y02T10/47
Abstract: 따라서, 질소산화물정화촉매또는연료분해촉매의열화도가설정된수치보다높다고판단되면, 설정된운전조건에서, 급속승온을실시하여촉매의정화효율이신속하게정상화된다.
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Patent Agency Ranking
公开(公告)号：KR101047608B1
公开(公告)日：2011-07-07
申请号：KR1020090090839
申请日：2009-09-25
CPC classification number: Y02A50/2322 , Y02T10/47
Abstract: 본 발명은 디젤 자동차의 배기가스 저감 장치 및 그의 고장 진단 방법에 관한 것이다.
본 발명은 환원제를 이용하여 질소산화물(NOx)을 저감하는 NOx 정화촉매; 상기 NOx 정화촉매 전단에 배치되어 환원제를 질소산화물 환원 반응성능이 높은 다수의 환원제로 변환시켜 상기 NOx 정화촉매에 공급하는 고효율 환원제 전환 촉매(DFC); 상기 고효율 환원제 전환 촉매(DFC)의 전단에 배치되어 환원제를 분사하는 환원제 분사 인젝터; 및 상기 환원제 분사 인젝터의 전단과 상기 NOx 정화촉매의 후단에 각각 설치되는 산소센서와, 상기 고효율 환원제 전환 촉매(DFC)의 전단 및 후단과 상기 NOx 정화촉매의 전단 및 후단에 각각 설치되는 온도센서를 구비하여 상기 고효율 환원제 전환 촉매(DFC) 및 NOx 정화촉매의 고장을 진단하는 촉매진단부;를 포함하는 디젤 자동차의 배기가스 저감 장치를 제공한다.
본 발명의 디젤 자동차의 배기가스 저감 장치에 의하면 환원제 공급용 2차 연료분사 인젝터를 설치하여 NOx 정화촉매에 환원제 공급을 제어할 수 있기 때문에 엔진 운전 조건, 촉매 조건 등에 따라 최적의 분사 패턴을 갖게 된다.
배기가스, 저감, DFC-
公开(公告)号：KR1020110023158A
公开(公告)日：2011-03-08
申请号：KR1020090080791
申请日：2009-08-28
CPC classification number: F01N3/206 , B01J23/40 , B01J23/50 , B01J23/58 , B01J37/0244 , B01J37/0246 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/103 , F01N3/2066 , F01N9/002 , F01N13/0097 , F01N13/02 , F01N2510/06 , F01N2510/063 , F01N2510/0684 , F01N2560/025 , F01N2560/026 , F01N2560/06 , F01N2560/08 , F01N2560/14 , F01N2570/14 , F01N2610/03 , Y02A50/2344 , Y02T10/24
Abstract: PURPOSE: An exhaust system is provided to improve the purification efficiency of nitrogen oxide by employing a fuel decomposition catalyst arranged in the front of a nitrogen oxide purification catalyst. CONSTITUTION: An exhaust system comprises an exhaust line(150) which exhaust gas discharged from an engine passes through, a nitrogen oxide purification catalyst(160) which is installed in the exhaust line to reduce the nitrogen oxide included in the exhaust gas, an injector(120) which injects additional fuel to the exhaust line or an engine cylinder, and a fuel decomposition catalyst(130) which is installed between the injector and the nitrogen oxide purification catalyst.
Abstract translation: 目的：提供一种排气系统，通过使用布置在氮氧化物净化催化剂前面的燃料分解催化剂来提高氮氧化物的净化效率。 构成：排气系统包括从发动机排出的排气通过的排气管路（150），安装在排气管路中以减少排气中包含的氮氧化物的氮氧化物净化催化剂（160），喷射器 （120），其向所述排气管线或发动机气缸喷射附加燃料;以及燃料分解催化剂（130），其安装在所述喷射器和所述氮氧化物净化催化剂之间。
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公开(公告)号：KR1020110019808A
公开(公告)日：2011-03-02
申请号：KR1020090077381
申请日：2009-08-21
Inventor： 이진하
CPC classification number: F01N3/2073 , F01N3/035 , F01N13/0097 , F01N2560/026 , F01N2610/03 , Y02A50/2325 , Y02T10/24
Abstract: PURPOSE: An exhaust device for a diesel vehicle is provided to reduce nitric oxide and particulates simultaneously by a diesel fuel catalyst and a hydrocarbon-selective catalytic reduction part. CONSTITUTION: An exhaust device for a diesel vehicle comprises a diesel fuel catalyst(210), a hydrocarbon-selective catalytic reduction part(220), a catalyst coating-diesel particulate filter(230), and a second fuel injection system(310). The diesel fuel catalyst is installed at the rear end of a turbocharger(110). The hydrocarbon-selective catalytic reduction part is installed at the rear portion of the diesel fuel catalyst. The catalyst coating-diesel particulate filter is installed on the rear portion of the hydrocarbon-selective catalytic reduction part. The second fuel injection system is installed in the exhaust gas pipe between the diesel fuel catalyst and the turbocharger.
Abstract translation: 目的：提供一种用于柴油车辆的排气装置，用于通过柴油燃料催化剂和烃选择性催化还原部分同时还原一氧化氮和颗粒物。 构成：用于柴油车辆的排气装置包括柴油催化剂（210），烃选择性催化还原部分（220），催化剂涂层 - 柴油颗粒过滤器（230）和第二燃料喷射系统（310）。 柴油燃料催化剂安装在涡轮增压器（110）的后端。 烃选择性催化还原部分安装在柴油催化剂的后部。 催化剂涂层 - 柴油颗粒过滤器安装在烃选择性催化还原部分的后部。 第二燃料喷射系统安装在柴油催化剂和涡轮增压器之间的排气管中。
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公开(公告)号：KR1020100101400A
公开(公告)日：2010-09-17
申请号：KR1020090019868
申请日：2009-03-09
Applicant: 현대자동차주식회사
IPC: B01J29/064 , B01J21/04 , F01N3/10 , B01D53/56
CPC classification number: B01D53/9418 , B01D53/9422 , B01D53/9468 , B01D2251/208 , B01D2255/102 , B01D2255/106 , B01D2255/2042 , B01D2255/2065 , B01D2255/207 , B01D2255/50 , B01D2255/91 , B01J29/061 , B01J37/0244 , B01J37/0246
Abstract: PURPOSE: A NOx reduction catalyst and an exhaust system using the same are provided to improve fuel efficiency while preventing the slip of hydrocarbon by storing nitric oxide in exhaust gas temporarily and combing the nitric oxide in injecting fuel. CONSTITUTION: A catalyst with reduced nitrogen oxide and an exhaust apparatus using the same includes first and second catalyst layer. The first catalyst layer is adjacent to exhaust gas. The first catalyst deoxidizes a part of nitric oxide included in the exhaust gas through oxidation-reduction reaction with hydrocarbon included in the exhaust gas. The second catalyst layer stores nitric oxide.
Abstract translation: 目的：提供NOx还原催化剂和使用其的排气系统，以提高燃料效率，同时通过将废气中的一氧化氮临时储存并在注入燃料中使一氧化氮组合来防止烃的滑动。 构成：具有还原氮氧化物的催化剂和使用其的排气装置包括第一和第二催化剂层。 第一催化剂层与废气相邻。 第一催化剂通过与包含在废气中的烃进行氧化还原反应来对包含在排气中的一氧化氮的一部分进行脱氧。 第二催化剂层存储一氧化氮。
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公开(公告)号：KR1020090094675A
公开(公告)日：2009-09-08
申请号：KR1020080019760
申请日：2008-03-03
Applicant: 현대자동차주식회사
CPC classification number: Y02A50/2322
Abstract: An injector device for reducing exhaust of a vehicle is provided to prevent the injection body from being heated because the heat delivered to the ventilating passage is blocked by the insulator. An injector device for reducing exhaust of a vehicle comprises an injection body(110), a case(120), and an insulator(130). The injection body comprises a feed unit(111), an injection unit(112) and a connector portion(113). The case surrounds the injection body to prevent the heat from being directly delivered to the injection body. The insulator is built in the showerhead of the case. The insulator shuts off that the heat of the ventilating passage is delivered to the showerhead.
Abstract translation: 提供一种用于减少车辆排气的喷射器装置，以防止喷射体被加热，因为输送到通风通道的热量被绝缘体阻挡。 一种用于减少车辆排气的注射器装置，包括注射体（110），壳体（120）和绝缘体（130）。 注射体包括进料单元（111），注射单元（112）和连接器部分（113）。 壳体围绕注射体以防止热直接传递到注射体。 绝缘体内置在外壳的花洒中。 绝缘体关闭通风通道的热量被传送到喷头。
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