촉매 히팅 제어 장치 및 방법
    31.
    发明授权
    촉매 히팅 제어 장치 및 방법 有权
    催化加热控制装置和方法

    公开(公告)号:KR101836287B1

    公开(公告)日:2018-03-08

    申请号:KR1020160129836

    申请日:2016-10-07

    Abstract: 본발명의일 실시예에따른촉매히팅제어방법은연소실에서공기와연료가혼합되어연소된배기가스가배출되고, 배기가스가통과하는삼원촉매컨버터를포함하는촉매히팅제어장치의냉시동초기촉매히팅제어방법으로서, 온도센서를이용하여삼원촉매의열화도를계산하는단계와, 상기삼원촉매에저장되는산소저장용량(oxygen storage capacity; OSC)을측정하는단계와, 엔진아이들(idle) 구간에서촉매를히팅하는제1 촉매히팅단계와, 상기엔진아이들구간의제1 시점에서촉매히팅을정지하는단계, 및부분부하(part-load) 구간에서상기제1 시점이후인제2 시점까지촉매를히팅하는제2 촉매히팅단계를포함한다.

    Abstract translation: 根据本发明实施例的催化剂加热控制方法包括:三元催化转化器,其中废气与燃烧室中的空气和燃料混合以排出废气; 一种三元催化剂的控制方法,其特征在于,包括:使用温度传感器计算三元催化剂的劣化程度的步骤;测定氧储存量(OSC) 在发动机怠速期间的第一时间点停止催化剂加热,并且在部分负荷期间从第一点到第二点的时间点停止催化剂加热, 2催化剂加热步骤。

    촉매 산소 퍼지 제어 장치 및 방법
    32.
    发明授权
    촉매 산소 퍼지 제어 장치 및 방법 有权
    催化氧气清除控制装置和方法

    公开(公告)号:KR101836286B1

    公开(公告)日:2018-03-08

    申请号:KR1020160138361

    申请日:2016-10-24

    Abstract: 본발명의일 실시예에따른촉매산소퍼지제어방법은, 연소실에서공기와연료가혼합되어연소된배기가스가배출되고, 배기가스가통과하는삼원촉매컨버터를포함하는촉매산소퍼지제어장치의냉간시촉매산소퍼지제어방법으로서, 상기연소실로연료를분사하는인젝터의연료차단(fuel cut) 조건이만족되는지판단하는단계와, 상기연료차단조건이만족되면, 상기인젝터의연료차단을수행하는단계와, 상기삼원촉매컨버터가활성화상태인지판단하는단계와, 상기삼원촉매컨버터가활성화전 상태이면상기삼원촉매컨버터의산소저장용량을측정하는단계와, 상기산소저장용량과냉간시유효산소저장량을비교하는단계, 및상기비교결과를기초로산소퍼지시간을조절하는단계를포함한다.

    Abstract translation: 根据本发明实施例的催化氧清除控制方法包括:三元催化转化器,其中从燃烧室排出的废气与空气和燃料混合; 一种控制催化氧清除的方法,包括以下步骤:确定是否满足向燃烧室内喷射燃料的喷射器的燃料切断条件;如果燃料切断条件满足,则执行喷射器的燃料切断; 确定三元催化转换器是否处于活动状态,如果三元催化转换器处于预活化状态,则测量三元催化转化器的氧存储容量,将氧存储容量与冷启动状态进行比较, 并根据比较结果调整氧气吹扫时间。

    내연 기관용 가스 정화 촉매
    39.
    发明公开
    내연 기관용 가스 정화 촉매 有权
    用于净化内燃机气体的催化剂

    公开(公告)号:KR1020140077036A

    公开(公告)日:2014-06-23

    申请号:KR1020120145732

    申请日:2012-12-13

    Abstract: According to an embodiment of the present invention, a catalyst to purify gas of an internal combustion engine comprises a support and a catalytic layer formed on the support. The catalytic layer comprises: a first catalyst including a first scaffold having alumina and Pd supported on the first scaffold; and a second catalyst including a second scaffold having ceria zirconia composite oxide and Rh supported on the second scaffold. According to an embodiment of the present invention, the catalyst to purify gas of an internal combustion engine exhibits excellent catalytic activity at high temperatures.

    Abstract translation: 根据本发明的一个实施方案,用于净化内燃机气体的催化剂包括载体和形成在载体上的催化层。 所述催化层包括:第一催化剂,其包括在所述第一支架上负载有氧化铝和Pd的第一支架; 以及第二催化剂,其包括具有二氧化铈氧化锆复合氧化物的第二支架和负载在第二支架上的Rh。 根据本发明的实施方式,内燃机的气体净化用催化剂在高温下表现出优异的催化活性。

    페로브스카이트 NO 산화용 촉매 및 그 제조방법
    40.
    发明公开
    페로브스카이트 NO 산화용 촉매 및 그 제조방법 审中-实审
    用于无氧化的PERVOSKITE催化剂及其制备方法

    公开(公告)号:KR1020130137868A

    公开(公告)日:2013-12-18

    申请号:KR1020120061504

    申请日:2012-06-08

    Abstract: The present invention relates to a perovskite catalyst for NO oxidation and a manufacturing method thereof and, in particular, to a perovskite catalyst for NO oxidation and a manufacturing method thereof capable of accelerating the usage of the perovskite catalyst for NO oxidation and reducing production costs owing to the excluded use of precious metals because the perovskite catalyst for NO oxidation can be used as a main component of an aftertreatment system for reducing NOx in exhaust gas of a leanburn gasoline engine or a diesel engine by producing the perovskite catalyst including silver (Ag) having the function of NO oxidation and excellent hydrothermal stability. The perovskite catalyst for NO oxidation is the core technology of an aftertreatment system for vehicle exhaust gas which can be used for an eco-friendly low-pollution vehicle to react to environmental restrictions in the WTO system. [Reference numerals] (AA) Pt-based commercial catalyst

    Abstract translation: 本发明涉及一种用于NO氧化的钙钛矿催化剂及其制造方法,特别涉及一种用于NO氧化的钙钛矿催化剂及其制造方法,其能够促进钙钛矿催化剂的NO氧化的使用,并降低生产成本 对于排除使用的贵金属,因为用于NO氧化的钙钛矿催化剂可以用作通过生产包含银(Ag)的钙钛矿催化剂来减少稀薄汽油发动机或柴油发动机的废气中的NOx的后处理系统的主要成分, 具有NO氧化功能和极好的水热稳定性。 NO氧化的钙钛矿催化剂是车用废气后处理系统的核心技术,可用于环保型低污染车辆对世贸组织体系的环境限制作出反应。 (附图标记)(AA)Pt基商业催化剂

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