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公开(公告)号：KR1020090118735A
公开(公告)日：2009-11-18
申请号：KR1020080044702
申请日：2008-05-14
Applicant: 현대자동차주식회사
CPC classification number: Y02T10/47 , F01N11/00 , F01N9/00 , F01N2550/00 , F01N2560/02 , F01N2610/14
Abstract: PURPOSE: A monitoring apparatus and method of a diesel vehicle are provided to increase fuel efficiency and LNT catalyst regeneration efficiency by monitoring an air volume control unit. CONSTITUTION: A monitoring method of a diesel vehicle determines that the NOx purifying efficiency of a LNT(lean NOx trap) catalyst is in a DeNOx operating condition(S102). If yes, the air volume control is practiced after air volume and control factor of a first goal standard value are determined(S104). If the air volume control is unable to be performed with a first goal standard value within a first base time, the control factor delaying the air volume control is determined(S107). The air volume control is practiced after an air volume control target value of the control factor delaying the air volume control is reestablished(S109). If the air volume control is unable to be performed with a reset target value within a second base time, DeNOx operation of the LNT catalyst is stopped and the failure of the corresponding control factor is determined(S112).
Abstract translation: 目的：提供柴油车辆的监测装置和方法，以通过监测空气量控制单元来提高燃料效率和LNT催化剂再生效率。 构成：柴油车辆的监视方法确定LNT（贫NOx捕集器）催化剂的NOx净化效率处于脱硝运行状态（S102）。 如果是，则在确定了第一目标标准值的风量和控制系数之后进行风量控制（S104）。 如果在第一基准时间内不能以第一目标标准值执行空气量控制，则确定延迟风量控制的控制因素（S107）。 在重新设置延迟风量控制的控制因素的风量控制目标值之后，进行风量控制（S109）。 如果在第二基准时间内不能用复位目标值执行空气量控制，则停止LNT催化剂的脱硝操作，并确定相应的控制因素的故障（S112）。
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公开(公告)号：KR100906880B1
公开(公告)日：2009-07-08
申请号：KR1020080029456
申请日：2008-03-31
Applicant: 현대자동차주식회사
Inventor： 조준규
CPC classification number: Y02T10/47 , F01N11/00 , B60Y2400/90 , F01N9/00 , F01N2550/02 , F01N2560/025 , F01N2900/0416
Abstract: A catalytic efficiency monitoring method of a lean NOX trap is provided to cut down on the cost by removing a NOx sensor for monitoring catalytic efficiency of LNT. A catalytic efficiency monitoring method of a lean NOX trap comprises a first step(S18) for supplying reducing agent for returning NOx through a second injector; a second step(S20) for measuring supply quantity of reducing agent through an oxygen sensor mounted on the front end of a lean NOx trap and the reduced oxygen amount through an oxygen sensor mounted on the rear end of the lean NOx trap; a third step(S26) for determining whether the reduced oxygen amount is smaller than the first limit value; a fourth step(S30) for determining whether the reduced oxygen amount is smaller than the second limit value when the reduced oxygen amount is smaller than the first limit value; and a fifth step(S28) for lighting a warning lamp when degradation of the lean NOx trap catalyst efficiency is determined if the reduced oxygen amount is smaller than the second limit value.
Abstract translation: 提供了一种贫NOx捕集器的催化效率监测方法，通过去除用于监测LNT的催化效率的NOx传感器来降低成本。 贫NOx捕集器的催化效率监测方法包括：通过第二喷射器供给用于返回NOx的还原剂的第一步骤（S18） 第二步骤（S20），用于通过安装在贫NOx捕集器的前端上的氧传感器测量还原剂的供给量，并且通过安装在贫NOx收集器的后端的氧传感器减少氧量; 用于确定所述还原氧量是否小于所述第一极限值的第三步骤（S26）; 第四步骤（S30），用于当所述还原氧量小于所述第一限制值时，确定所述还原氧量是否小于所述第二限制值; 以及第五步骤（S28），用于在劣化氧量小于第二极限值的情况下确定劣化NOx捕集催化剂效率的降低时点燃警告灯。
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公开(公告)号：KR101416345B1
公开(公告)日：2014-07-09
申请号：KR1020080044702
申请日：2008-05-14
Applicant: 현대자동차주식회사
CPC classification number: Y02T10/47
Abstract: 본 발명은 LNT촉매의 DeNOx 동작에서 공기량 제어수단의 고장 여부를 판별하는 것으로,
LNT촉매의 NOx 정화효율이 DeNOx 작동조건인지 판단하는 과정, LNT촉매의 DeNox 작동 조건이면 제1목표 기준치의 공기량과 제어인자를 결정하여 공기량 제어를 실행하는 과정, 제1기준시간 이내에 제1목표 기준치로 공기량 제어가 실행되지 못하면 공기량 제어를 지연시키는 제어인자를 판단하는 과정, 공기량 제어를 지연시키는 제어인자의 공기량 제어 목표치를 재설정한 다음 공기량 제어를 실행하는 과정, 제2기준시간 이내에 재설정된 목표치로 공기량 제어가 실행되지 못하면 해당 제어인자의 고장을 판별하고 LNT촉매의 DeNOx 동작을 중지하는 과정을 포함한다.
후처리계 장치, LNT, DeNOx, 공기량 제어-
公开(公告)号：KR101013964B1
公开(公告)日：2011-02-14
申请号：KR1020080029865
申请日：2008-03-31
Applicant: 현대자동차주식회사
CPC classification number: Y02T10/47
Abstract: 디젤 차량에서 후처리계 시스템으로 설치되는 LNT(Lean NOx Trap)에 흡장된 NOx를 재생할 때 배터리의 충전상태(State Of Charge ; SOC)의 따라 공기량 조절장치의 듀티 보정 및 연료 분사량의 보정으로 LNT의 재생에 안정성을 확보하는 디젤 차량의 후처리계 재생장치 및 방법이다.
본 발명은 LNT의 NOx 정화효율이 DeNOx 재생시점인지 판단하는 과정, LNT의 DeNOx 재생시점이면 배터리 충전상태에 따라 발전 필요량을 산출한 다음 보정 맵을 적용하여 공기량을 조정하는 과정, 공기량 조정에 따른 알터네이터의 발전량이 필요 발전량 미만이면 발전량의 편차만큼 연료 분사량을 보정하여 엔진 출력을 제어하는 과정을 포함한다.
후처리계 장치, LNT, 충전상태, 알터네이터, DeNOx 재생, 맵 보정-
Patent Agency Ranking
公开(公告)号：KR1020100042500A
公开(公告)日：2010-04-26
申请号：KR1020080101673
申请日：2008-10-16
Applicant: 현대자동차주식회사
Inventor： 조준규
Abstract: PURPOSE: A device for purifying an exhaust gas is provided to improve the durability of a post injector by supplying a exhaust gas to a first by-pass line by a control valve when fuel is ejected through a post injector. CONSTITUTION: An exhaust gas purification device includes a first purification device(110), a second purification device(120), a first by-pass line(140), a post injector(170), and a control valve(145). The first purification device is installed in the front of the main exhaust line connected to the engine(100). The second purification device is installed at the end of the first purification device. The first by-pass line is branched from a main exhaust line between the engine and the first purification device. The post-injector is installed in the first by-pass line and additionally injects fuel. A control valve is installed in the first by-pass line at the front of the post injector shear and selectively supplies the exhaust gas.
Abstract translation: 目的：提供一种用于净化废气的装置，用于当通过后喷射器喷射燃料时，通过控制阀向第一旁路线供应废气，以提高后喷射器的耐久性。 构成：排气净化装置包括第一净化装置（110），第二净化装置（120），第一旁路管路（140），后喷射器（170）和控制阀（145）。 第一净化装置安装在与发动机（100）连接的主排气管路的前方。 第二净化装置安装在第一净化装置的末端。 第一旁路线从发动机和第一净化装置之间的主排气管线分支。 后喷射器安装在第一个旁路管路中，另外喷射燃料。 控制阀安装在后喷射器剪切件前部的第一个旁路管路中，并选择性地供应废气。
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公开(公告)号：KR1020090104443A
公开(公告)日：2009-10-06
申请号：KR1020080029865
申请日：2008-03-31
Applicant: 현대자동차주식회사
CPC classification number: Y02T10/47 , F01N9/00 , F01N3/0885 , F01N2900/0412
Abstract: PURPOSE: A regeneration system for an emission reduce line of a diesel vehicle and a method thereof are provided to make torque stabilization and emission stabilization by improving stability of the DeNOx reproduction of LNT. CONSTITUTION: It is determined whether NOx purifying efficiency of LNT is a DeNOx presentation time(S120). If it is NOx presentation time of LNT, the amount of air is adjusted by applying an amended map after the power generation quantity is calculated according to a battery charging state(S150). Engine output is controlled by amending the fuel injection amount as deviation of the generated energy, if the generated energy of an alternator is less than the need generated energy(S280).
Abstract translation: 目的：提供一种用于柴油车辆减排线路的再生系统及其方法，通过提高LNT的DeNOx再现的稳定性来实现扭矩稳定和排放稳定。 规定：确定LNT的NOx净化效率是否为DeNOx呈现时间（S120）。 如果是LNT的NOx呈现时间，则根据电池充电状态计算发电量后，通过应用修正图来调节空气量（S150）。 如果交流发电机的发电能量小于需要产生的能量，则通过将燃料喷射量修正为所产生的能量的偏差来控制发动机输出（S280）。
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公开(公告)号：KR1020090089549A
公开(公告)日：2009-08-24
申请号：KR1020080014780
申请日：2008-02-19
Applicant: 현대자동차주식회사
Inventor： 조준규
CPC classification number: Y02T10/47 , F01N11/00 , B60Y2400/90 , F01N9/00 , F01N2550/02 , F01N2560/025 , F01N2560/06 , F01N2900/0416
Abstract: A method for testing reliability of LNT(Lean NOx Trap) auto-recognition is provided to determine an error in LNT auto-recognition by checking whether the logic values of auto-recognition input signal, exhaust temperature sensor signal, and lambda sensor signal are the same. A method for testing reliability of LNT auto-recognition is as follows. Auto-recognition input signal, exhaust temperature sensor signal, and lambda sensor signal are converted into respective logical values(S201). It is determined whether the all three logical values altogether are the same(S203). If not, an LNT auto-recognition error is determined(S205). The auto-recognition input signal indicates whether an LNT is mounted on an ECU(Electronic Control Unit). An exhaust temperature sensor is located ahead of the LNT, and a lambda sensor is located behind the LNT.
Abstract translation: 提供了一种测试LNT（Lean NOx Trap）自动识别可靠性的方法，通过检查自动识别输入信号，排气温度传感器信号和λ传感器信号的逻辑值是否为 相同。 一种测试LNT自动识别可靠性的方法如下。 自动识别输入信号，排气温度传感器信号和λ传感器信号被转换成相应的逻辑值（S201）。 确定所有三个逻辑值是否相同（S203）。 如果不是，则确定LNT自动识别错误（S205）。 自动识别输入信号表示LNT是否安装在ECU（电子控制单元）上。 排气温度传感器位于LNT之前，λ传感器位于LNT后面。
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公开(公告)号：KR1020080053675A
公开(公告)日：2008-06-16
申请号：KR1020060125502
申请日：2006-12-11
Applicant: 현대자동차주식회사
Inventor： 조준규
Abstract: An injector using a laval nozzle is provided to allow the injection speed of fuel to increase when the fuel passes through a laval nozzle bore. An injector using a laval nozzle comprises a laval nozzle(40) having a laval shape. The laval nozzle includes a laval nozzle bore(30) formed at both sides of the front end of and injector to inject fuel. The laval nozzle bore has a laval structure in which a throttle having a predetermined sectional area is formed at an inlet port thereof and the sectional area thereof is increased toward an outlet thereof. The ratio of a sectional area of the outlet of the laval nozzle bore to a sectional area of the throttle has a value of 7 to 9. The ratio of pressure in the outlet of the laval nozzle bore to pressure in the inlet of the laval nozzle bore has a value of 0.009 to 0.011.
Abstract translation: 提供一种使用拉瓦尔喷嘴的喷射器，以便当燃料通过一个喷嘴孔时，燃料的喷射速度增加。 使用利伐喷嘴的喷射器包括具有薰衣草形状的桨叶喷嘴（40）。 喷嘴喷嘴包括形成在前端两侧的喷射孔（30）和喷射器以喷射燃料。 喷嘴孔具有薰衣草结构，其中在其入口处形成具有预定截面面积的节流孔，并且其横截面面积朝向其出口增加。 拉维尔喷嘴孔的出口的截面面积与节流阀的截面面积的比值为7-9。拉维尔喷嘴孔的出口压力与拉维尔喷嘴的入口压力之比 孔的值为0.009〜0.011。
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公开(公告)号：KR1020050070393A
公开(公告)日：2005-07-07
申请号：KR1020030099866
申请日：2003-12-30
Applicant: 현대자동차주식회사
Inventor： 조준규
IPC: F02M47/02
Abstract: 본 발명은 커먼 레인 인젝터의 노즐 구조에 관한 것으로,
바디의 연료 라인을 통과한 연료가 연소실을 향해 분무될 수 있도록 상기 바디의 하단부에 노즐이 마련되고, 엔진의 연료분사 타이밍에 따라서 상기 노즐이 개폐될 수 있도록 상기 바디의 내부에 니들이 수용되는 커먼 레인의 인젝터에 있어서,
상기한 노즐의 입구부 구간은 그 직경이 점차로 감소되는 축소관으로 형성되고, 상기한 입구부 후측의 스로틀을 지나 출구부에 이르기까지의 구간은 그 직경이 점차로 증대되는 확대관으로 형성되어, 상기 노즐의 단면형상이 나발 모양을 이루는 것을 특징으로 하고,
상기한 스로틀 부분의 단면적과 상기 출구부의 단면적의 비율은 1:7 내지 1:9의 비율의 범위내에서 형성된 것을 특징으로 한다.
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