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公开(公告)号：KR101198787B1
公开(公告)日：2012-11-07
申请号：KR1020100065899
申请日：2010-07-08
Inventor： 이진하
CPC classification number: F01N3/0885 , F01N3/021 , F01N3/0842 , F01N11/00 , F01N13/009 , F01N2240/30 , F01N2550/05 , F01N2560/025 , F01N2560/06 , F01N2560/14 , F01N2900/0421 , F01N2900/0422 , F01N2900/10 , F01N2900/102 , F01N2900/1602 , F01N2900/1806 , Y02T10/47
Abstract: 본 발명의 실시예에 따른 배기가스 후처리 방법은, 본 발명에 따른 배기가스 후처리 방법은, 환원제를 분사하는 동안, 촉매 전후단의 온도차(ΔT)가 기준온도차(X) 이하이면 상기 촉매의 온도를 설정된 수치로 높여 탈황 재생하는 단계, 탈황 재생 후의 주행거리, 연료소모량, 또는 주행시간이 설정된 제1기준치를 초과했는지 판단하는 단계, 연료의 보충된 양을 이용하여, 연료가 보충된 것을 판단하는 단계, 상기 제1기준치가 설정된 기준치를 초과하지 않고, 연료가 보충된 것으로 판단되며, 환원제를 분사하는 동안 상기 온도차(ΔT)가 상기 기준온도차(X) 이하이면, 상기 촉매를 비정상 탈황재생하는 단계, 상기 비정상 탈황재생의 횟수를 카운팅하는 단계, 및 상기 촉매를 비정상 탈황한 횟수가 설정된 값 이상이면, 고유황 연료가 주입되었다고 경고신호를 발생시키는 단계를 포함한다.
따라서, 질소산화물을 정화하기 위해서 질소정화모드를 수행하는 동안, 촉매의 전후단 온도차에 따라서, 탈황제어를 실시하고, 비정상적이 탈황제어가 반복적으로 수행되는 경우, 고유황연료가 주입된 것으로 판단할 수 있다. 따라서, 차량 운전자는 고유황연료의 주입을 용이하게 판단하여, 추후 고유황 연료를 주입하지 못하도록 차량 운전자를 가이드 할 수 있다.-
公开(公告)号：KR1020120053886A
公开(公告)日：2012-05-29
申请号：KR1020100115238
申请日：2010-11-18
Applicant: 현대자동차주식회사 , 기아자동차주식회사 , 훼브 유럽 게엠베하
CPC classification number: F02D41/0072 , F01N3/035 , F01N3/208 , F01N13/009 , F01N2240/30 , F01N2610/02 , F01N2900/08 , F01N2900/12 , F01N2900/1402 , 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(Nitrogen Oxide) and an exhaust device using the same are provided to exactly estimate amount of the NOx included in exhaust gases by correcting the quantity of the NOx according to environmental factors and amount of intake air. CONSTITUTION: A method for estimating quantity of NOx(Nitrogen Oxide) is as follows. Amount of O2 in suction air is detected (S300). The reference amount of the O2 in the suction air is calculated according to an operation condition of an engine(S310). The reference amount of NOx in exhaust gases is calculated according to the operation condition of the engine(S320). The reference amount of NOx is corrected firstly according to the reference amount of O2 in the suction air based on the operation condition of the engine(S330).
Abstract translation: 目的：提供一种用于估计NOx（氮氧化物）量和使用其的排气装置的方法，以通过根据环境因素和进气量校正NOx的量来精确估计废气中所含的NOx的量。 构成：估算NOx（氮氧化物）量的方法如下。 检测吸入空气中的O 2量（S300）。 根据发动机的运转状况来计算吸入空气中的O2的基准量（S310）。 根据发动机的运转状况来计算废气中的NOx的参考量（S320）。 基于发动机的运转状况，根据吸入空气中的氧气的参考量首先校正NOx的参考量（S330）。
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公开(公告)号：KR1020120021644A
公开(公告)日：2012-03-09
申请号：KR1020100077506
申请日：2010-08-11
CPC classification number: B01J23/58 , B01D53/9422 , B01D53/9477 , B01D2255/1021 , B01D2255/1023 , B01D2255/2022 , B01D2255/2025 , B01D2255/2047 , B01D2255/2092 , B01D2255/91 , B01J23/005 , B01J23/007 , B01J23/66 , B01J29/06 , B01J37/031 , F01N3/0821 , F01N3/0842 , F01N3/0871 , F01N3/208 , F01N2610/03
Abstract: PURPOSE: A nitrogen oxide absorbing-reducing catalyst, a method for manufacturing the same, and a system for purifying nitrogen oxide including the same are provided to improve the activity of the catalyst at low temperatures. CONSTITUTION: A nitrogen oxide absorbing-reducing catalyst includes a support, a nitrogen oxide absorbing element, and one or more noble metals. The support includes alkali metal and aluminum or alkali earth metal and aluminum. The nitrogen oxide absorbing element is alkali metal, alkali earth metal, or rear earth elements. The noble metals are selected from a group including Pt, Pd, Ru, Ag, Au, and Rh. A method for manufacturing a nitrogen oxide absorbing-reducing catalyst includes the following: the hydroxide of the alkali metal or the hydroxide of the alkali earth metal are dissolved with aluminum nitrate in an aqueous solution; the solution is stirred, dried, and fired to obtain the support; the support is impregnated with the alkali metal, the alkali earth metal, or rear earth element and one or more noble metals; and the impregnated product is dried and fired.
Abstract translation: 目的：提供氮氧化物吸收还原催化剂及其制造方法以及包含该氮氧化物吸收还原催化剂的氮氧化物的净化系统，以提高催化剂在低温下的活性。 构成：氮氧化物吸收还原催化剂包括载体，氮氧化物吸收元素和一种或多种贵金属。 载体包括碱金属和铝或碱土金属和铝。 氮氧化物吸收元件是碱金属，碱土金属或后土元素。 贵金属选自Pt，Pd，Ru，Ag，Au和Rh。 制造氮氧化物吸收还原催化剂的方法包括：碱金属的氢氧化物或碱土金属的氢氧化物用硝酸铝溶解在水溶液中; 将溶液搅拌，干燥并烧制得到载体; 载体用碱金属，碱土金属或后土元素和一种或多种贵金属浸渍; 将浸渍的产品干燥并烧制。
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公开(公告)号：KR1020110013029A
公开(公告)日：2011-02-09
申请号：KR1020090070987
申请日：2009-07-31
CPC classification number: F01N3/208 , F01N3/035 , F01N3/105 , F01N2610/03 , Y02T10/24
Abstract: PURPOSE: A purifying method of a nitric oxide inside exhaust gas, and an air exhausting apparatus thereof are provided to improve the purification efficiency of the nitric oxide by accurately controlling the additionally sprayed amount of fuel. CONSTITUTION: A purifying method of a nitric oxide inside exhaust gas uses an air exhausting apparatus installed on an exhaust pipe. The air exhausting apparatus comprises the following: injectors(14,90) installed on the exhaust pipe(20) or an engine(10) to spray fuel; a diesel fuel decomposing catalyst(32) thermally decomposing the sprayed fuel into a highly reactive reducing agent; a nitrogen oxide reducing catalyst(40); and a controller(50) controlling the additional supply of the fuel.
Abstract translation: 目的：提供废气中的一氧化氮的净化方法及其排气装置，以通过精确地控制额外喷射的燃料量来提高一氧化氮的净化效率。 构成：排气中的一氧化氮的净化方法使用安装在排气管上的排气装置。 排气装置包括：安装在排气管（20）上的喷射器（14,90）或用于喷射燃料的发动机（10）; 柴油燃料分解催化剂（32）将喷射的燃料热分解成高反应性还原剂; 氮氧化物还原催化剂（40）; 以及控制器（50），其控制燃料的额外供应。
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公开(公告)号：KR1020110012498A
公开(公告)日：2011-02-09
申请号：KR1020090070235
申请日：2009-07-30
CPC classification number: F01N3/0814 , F01N3/0253 , F01N3/035 , F01N3/0842 , F01N3/0871 , F01N3/106 , F01N3/2066 , F01N13/009 , F01N2240/30 , F01N2510/0684 , F01N2610/03 , Y02T10/24
Abstract: PURPOSE: An exhaust system is provided to make nitric oxide purified and detachably attached by reducing agent. CONSTITUTION: An exhaust system comprises an exhaust line(112), a nitric oxide purification catalyst(130), injectors(102,116), a fuel decomposition catalyst(118) and a controller(104). The burnt exhaust gas is exhausted through the exhaust line to outside. An injector emits fuel to the exhaust line. Fuel decomposition catalyst is installed between an injector and nitric oxide purification catalyst.
Abstract translation: 目的：提供排气系统，使一氧化氮通过还原剂净化和可拆卸地附着。 构成：排气系统包括排气管（112），一氧化氮净化催化剂（130），喷射器（102,116），燃料分解催化剂（118）和控制器（104）。 燃烧的废气通过排气管排出到外部。 喷油器将燃料喷射到排气管路。 燃料分解催化剂安装在注射器和一氧化氮净化催化剂之间。
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Patent Agency Ranking
公开(公告)号：KR100857338B1
公开(公告)日：2008-09-05
申请号：KR1020070052495
申请日：2007-05-30
Inventor： 이진하
IPC: F01N9/00
CPC classification number: Y02T10/47 , F01N3/20 , F01N9/00 , F01N2560/025 , F01N2560/026 , F01N2570/14 , F01N2610/146
Abstract: A device and a method of the variable injection for NOx(Nitrogen Oxides) adsorber are provided to prevent fuel efficiency from being deteriorated and to improve exhaust gas purification efficiency by installing developed fuel injection patterns to an injector controller and varying fuel injection patterns based on the condition of engine operation. A device and a method of the variable injection having a CPF(Catalyst Particle Filter,200) and a NOx adsorber catalyst system containing NOx adsorber catalyst(500) have an injector controller(120) which controls the fuel injection timing based on the calculated amount of NOx generation under a specific operational condition of an engine and the NOx concentration of the exhaust gas and changes fuel injection pattern based on the operational condition and engine status such as increment of NOx emission and hydrocarbon slip amount, an oxygen sensor(410) which measures oxygen concentration of the exhaust gas, an injector(300) injecting fuel for post-injection, a NOx sensor(400) located at least a place before or after the NOx adsorber catalyst system to measure NOx concentration or discharged amount, a hydrocarbon slip prevention catalyst(560) at rear end of the NOx adsorber catalyst, and a HC(Hydro-Carbon) sensor(420) at downstream of the NOx adsorber catalyst to measure the amount of slipped hydrocarbon after passing through the hydrocarbon slip prevention catalyst.
Abstract translation: 提供了用于NOx（氮氧化物）吸附器的可变注入装置和方法，以防止燃料效率恶化，并且通过将开发的燃料喷射模式安装到喷射器控制器和改变燃料喷射模式来提高废气净化效率，基于 发动机运转条件 具有CPF（催化剂颗粒过滤器200）和含有NOx吸附剂催化剂（500）的NOx吸附剂催化剂体系的可变注入装置和方法具有喷射器控制器（120），其基于计算量控制燃料喷射正时 在发动机的特定操作条件下的NOx生成和废气的NOx浓度，并且基于诸如NOx排放量和烃类滑移量的增加的操作条件和发动机状态改变燃料喷射模式，氧传感器（410），其 测量排气的氧浓度，喷射喷射用于后喷射的燃料的喷射器（300），至少位于NOx吸附剂催化剂体系前后的NOx传感器（400），以测量NOx浓度或排出量，烃滑移 在NOx吸附剂催化剂的后端处的预防催化剂（560）和在NOx吸附剂催化剂下游的HC（Hydro-Carbon）传感器（420），以测量Sli的量 经过碳氢化合物防滑催化剂后的碳氢化合物。
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公开(公告)号：KR101916078B1
公开(公告)日：2018-11-07
申请号：KR1020170052428
申请日：2017-04-24
Abstract: 본발명의일 실시예에따른촉매컨버터단열커버는, 질소산화물흡장촉매(LNT) 컨버터, 필터에 SCR 촉매가코팅된복합촉매(SDPF) 컨버터, 및상기 LNT 컨버터와상기 SDPF 컨버터를연결하는연결하우징으로구성된차량의촉매컨버터단열커버로서, 상기 LNT 컨버터를둘러싸도록구비된 LNT 컨버터커버부와, 상기 SDPF 컨버터를둘러싸도록구비된 SDPF 컨버터커버부와, 상기연결하우징을둘러싸도록구비된연결하우징커버부, 및상기 LNT 컨버터, SDPF 컨버터, 및연결하우징의연결부위를둘러싸도록구비된절곡부를포함하고, 상기 LNT 컨버터커버부, SDPF 컨버터커버부, 및연결하우징커버부는일체로연결되고, 상기절곡부는상기연결하우징커버부에일체로연결된다.
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公开(公告)号：KR1020180119014A
公开(公告)日：2018-11-01
申请号：KR1020170052428
申请日：2017-04-24
Abstract: 본발명의일 실시예에따른촉매컨버터단열커버는, 질소산화물흡장촉매(LNT) 컨버터, 필터에 SCR 촉매가코팅된복합촉매(SDPF) 컨버터, 및상기 LNT 컨버터와상기 SDPF 컨버터를연결하는연결하우징으로구성된차량의촉매컨버터단열커버로서, 상기 LNT 컨버터를둘러싸도록구비된 LNT 컨버터커버부와, 상기 SDPF 컨버터를둘러싸도록구비된 SDPF 컨버터커버부와, 상기연결하우징을둘러싸도록구비된연결하우징커버부, 및상기 LNT 컨버터, SDPF 컨버터, 및연결하우징의연결부위를둘러싸도록구비된절곡부를포함하고, 상기 LNT 컨버터커버부, SDPF 컨버터커버부, 및연결하우징커버부는일체로연결되고, 상기절곡부는상기연결하우징커버부에일체로연결된다.
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公开(公告)号：KR101189238B1
公开(公告)日：2012-10-09
申请号：KR1020100077506
申请日：2010-08-11
CPC classification number: B01J23/58 , B01D53/9422 , B01D53/9477 , B01D2255/1021 , B01D2255/1023 , B01D2255/2022 , B01D2255/2025 , B01D2255/2047 , B01D2255/2092 , B01D2255/91 , B01J23/005 , B01J23/007 , B01J23/66 , B01J29/06 , B01J37/031 , F01N3/0821 , F01N3/0842 , F01N3/0871 , F01N3/208 , F01N2610/03
Abstract: 본 발명은 질소산화물 흡장-환원 촉매에 관한 것이다. 보다 구체적으로, 상기 촉매는 알칼리금속과 Al, 또는 알칼리토금속과 Al을 포함하는 담체; 알칼리금속, 알칼리토금속 또는 희토류 원소의 질소산화물 흡장 원소; 및 Pt, Pd, Ru, Au, Ag, 및 Rh로 이루어진 군에서 선택되는 1 종 이상의 귀금속을 포함한다.
이와 같은 질소산화물 흡장-환원 촉매는 질소산화물 흡장 및 환원 능력이 우수하게 나타나고, 특히 열화 전후 및 황산화 전후에도 흡장 및 환원능력이 우수하게 유지되며, 저온 환경에서도 촉매 활성이 우수하게 나타난다.-
公开(公告)号：KR101180949B1
公开(公告)日：2012-09-07
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: 본 발명은 실리카에 담지된 백금(Pt)-네오디뮴(Nd) 합금을 포함하는 디젤 분진 필터용 촉매, 이의 제조 방법 및 이를 포함하는 디젤 차량용 매연 저감 장치에 관한 것으로서, 상기 디젤 분진 필터용 촉매는 고온 또는 가황 조건에서 장시간 사용되어도 높은 촉매 활성을 유지할 수 있으며 높은 일산화질소(NO) 전환 효율을 구현할 수 있다.
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