公开(公告)号：KR1020040036129A

公开(公告)日：2004-04-30

申请号：KR1020020064939

申请日：2002-10-23

Applicant: 현대자동차주식회사

Inventor： 김건상

IPC: F02M45/04 ,  F02D41/30

Abstract: PURPOSE: A method for controlling fuel quantity by a cylinder in a common rail type diesel engine is provided to stabilize output of the engine by removing deflection of fuel quantity for each of the cylinders. CONSTITUTION: A method includes the steps of: a step setting learning value of pilot injection fuel quantity classified by cylinders; a determining step(S210) whether state of an engine satisfies learning conditions for main injection fuel quantity; a determining step(S220) whether pilot injection fuel quantity for each of the cylinders is within a set first range; a step(S230) calculating main injection fuel quantity by setting main injection fuel quantity compensation ratio for the corresponding cylinder as fixed percentage of pilot injection fuel quantity learning value got from the corresponding cylinder; a determining step(S240) whether pilot injection fuel quantity learning value of the corresponding cylinder is within a set second range; a step(S250) calculating main injection fuel quantity by setting main injection fuel quantity compensation ratio for the corresponding cylinder as fixed percentage of the pilot injection fuel quantity learning value get from the corresponding cylinder; a determining step(S260) whether pilot injection fuel quantity learning value of the corresponding cylinder is within a set third range; and a step(S270) calculating main injection fuel quantity by setting main injection fuel quantity compensation ratio as fixed percentage of pilot injection fuel quantity learning value got from the corresponding cylinder, and determining the cylinder to be outworn if the cylinder exceeds the third range.

Abstract translation: 目的：提供一种用于通过共轨式柴油机中的气缸来控制燃料量的方法，以通过消除每个气缸的燃料量的偏差来稳定发动机的输出。 构成：一种方法，包括以下步骤：通过气缸分级的先导喷射燃料量的步骤设定学习值; 确定步骤（S210）发动机的状态是否满足主喷射燃料量的学习条件; 确定步骤（S220），每个气缸的引燃喷射燃料量是否在设定的第一范围内; 步骤（S230），通过将相应气缸的主喷射燃料量补偿比设定为从相应气缸获得的先导喷射燃料量学习值的固定百分比来计算主喷射燃料量; 确定步骤（S240）是否相应气缸的先导喷射燃料量学习值是否在设定的第二范围内; 步骤（S250），通过设定对应气缸的主喷射燃料量补偿比来计算主喷射燃料量，作为先导喷射燃料量学习值的固定百分比从相应气缸获得; 确定步骤（S260）是否相应气缸的先导喷射燃料量学习值是否在设定的第三范围内; 以及通过将主喷射燃料量补偿比设定为从相应气缸获得的先导喷射燃料量学习值的固定百分比来计算主喷射燃料量的步骤（S270），并且如果气缸超过第三范围，则确定气缸被脱出。

公开(公告)号：KR100428341B1

公开(公告)日：2004-04-28

申请号：KR1020010072253

申请日：2001-11-20

Applicant: 현대자동차주식회사

Inventor： 김건상

IPC: F02M65/00

Abstract: PURPOSE: A method for diagnosis of trouble of a fuel injector for a diesel engine is provided to prevent unnecessary replacement of the fuel injector. CONSTITUTION: A method comprises the steps of: a first step(S200,S210) executing learning of signal generated by a vibrational accelerometer placed on a center of a cylinder block every hour to record in an ECU(Electronic Control Unit); a second step(S220) comparing absolute value of learning value recorded in the first step with absolute value of preset reference value to determine; a third step(S230) controlling amount of fuel to increase or decrease pilot amount of fuel by the absolute value of the learning value, if the absolute value is determined in the second step to be smaller than the absolute value of the reference value; a fourth step(S240,S250,S260,S270) resetting the absolute value of the learning value, re-executing learning for all of cylinders, comparing the absolute values of the reference value and the learning value, and determining whether the absolute value of the reference value is larger than the absolute value of the learning value, if the absolute value of the learning value is determined in the second step to be larger than the absolute value of the reference value; and a fifth step(S280) returning to the second step if the absolute value of the reference value is determined in the fourth step to be larger than the absolute value of the learning value, and setting pilot amount of fuel to be 0 and lighting up an engine warning lamp to inform a driver, if the absolute value of the reference value is determined to be smaller than the absolute value of the learning value.

Abstract translation: 目的：提供一种诊断柴油机喷油器故障的方法，以防止不必要的喷油器更换。 本发明的方法包括以下步骤：第一步骤（S200，S210），每小时对置于气缸体中心的振动加速度计产生的信号进行学习以记录在ECU（电子控制单元）中; 第二步骤（S220），将第一步骤中记录的学习值的绝对值与预设参考值的绝对值进行比较以确定; 第三步骤（S230），如果在第二步骤中确定的绝对值小于参考值的绝对值，则控制燃料量以增加或减少燃料的导燃量达到学习值的绝对值; 第四步骤（S240，S250，S260，S270）：重置学习值的绝对值，重新执行对所有气缸的学习，比较参考值和学习值的绝对值，以及确定 如果在第二步骤中确定的学习值的绝对值大于参考值的绝对值，则参考值大于学习值的绝对值; 和如果在第四步骤中确定参考值的绝对值大于学习值的绝对值，并且将燃料的导燃量设置为0并点亮，则返回到第二步骤的第五步骤（S280） 如果确定参考值的绝对值小于学习值的绝对值，则发动机警告灯通知驾驶员。

公开(公告)号：KR1020030089859A

公开(公告)日：2003-11-28

申请号：KR1020020027756

申请日：2002-05-20

Applicant: 현대자동차주식회사

Inventor： 김건상

IPC: F02D41/04

CPC classification number: F02D41/3809 ,  F02D41/2467

Abstract: PURPOSE: A fuel injection volume correction method is provided to maintain an engine output constant by applying the correction ratio in accordance with the use period of injector. CONSTITUTION: A fuel injection volume correction method comprises a step(S202,S204) of judging whether a correction condition is satisfied, and averaging the value which is used in case where the rail pressure is high; a step(S206) of dividing the average value into plural ranges; a step(S208 to S212) of judging whether the learned value of the injector falls in the first, second or the third range; and a step(S214 to S219) of applying a fuel injection volume correction ratio in accordance with the range of the learned value of the injector.

Abstract translation: 目的：提供燃料喷射量校正方法，通过根据喷射器的使用周期应用校正比率来保持发动机输出恒定。 构成：燃料喷射量校正方法包括：判断校正条件是否被满足并且平均在轨道压力高的情况下使用的值的步骤（S202，S204） 将平均值除以多个范围的步骤（S206） 判断喷射器的学习值是否落在第一，第二或第三范围内的步骤（S208〜S212） 以及根据喷射器的学习值的范围施加燃料喷射量校正比的步骤（S214〜S219）。

公开(公告)号：KR1020030041456A

公开(公告)日：2003-05-27

申请号：KR1020010072255

申请日：2001-11-20

Applicant: 현대자동차주식회사

Inventor： 김건상

IPC: F02D41/38

CPC classification number: F02D41/403 ,  F02D41/2438 ,  F02D41/3827 ,  F02D2009/0223 ,  F02D2200/501

Abstract: PURPOSE: A method of pilot fuel quantity control at end of line for vehicle equipped with common rail diesel engine is provided to improve quietness and to prevent excessive generation of smoke of the vehicle at initial manufacturing stage. CONSTITUTION: A method comprises the steps of: a first step(S200,S210,S220) initially setting learning value of a vibrational accelerometer for all of cylinders, and executing learning of the vibrational accelerometer for all of the cylinders once for each of the cylinders in exploding order; a second step(S230) recording the value of learning executed in the first step in an ECU(Electronic control Unit), and compensating pilot fuel quantity correspondingly with the learning value; a third step(S240,S250) recording number of the learning after the second step, and determining whether the number of the learning is over fixed number; a fourth step(S260,S270,S280) executing learning of the vibrational accelerometer for one of the cylinders after waiting fixed time after the third step if temperature of coolant and speed of a vehicle are satisfactory, and preparing the learning for the next cylinder; and a fifth step(S290) recording the learning value in the ECU, compensating the pilot fuel quantity following the learning value, and returning to the fourth step.

Abstract translation: 目的：提供配备共轨柴油发动机的车辆末端引燃燃油量控制方法，以提高安静性，防止初始制造阶段过多产生车辆烟雾。 构成：一种方法包括以下步骤：第一步骤（S200，S210，S220）初始设定用于所有气缸的振动加速度计的学习值，并且对于每个气缸执行所有气缸一次的振动加速度计的学习 以爆炸的顺序; 将在第一步骤中执行的学习值记录在ECU（电子控制单元）中的第二步骤（S230），并且与学习值相对应地补偿导频燃料量; 记录第二步骤之后的学习次数的第三步骤（S240，S250），确定学习次数是否超过固定次数; 第四步骤（S260，S270，S280），如果车辆的冷却液温度和车辆速度满意，则在等待第三步骤之后的固定时间之后对其中一个气缸进行振动加速度计的学习，并准备下一个气缸的学习; 以及在所述ECU中记录所述学习值的第五步骤（S290），对学习值之后的导频燃料量进行补偿，并返回到第四步骤。

公开(公告)号：KR1020030041454A

公开(公告)日：2003-05-27

申请号：KR1020010072253

申请日：2001-11-20

Applicant: 현대자동차주식회사

Inventor： 김건상

IPC: F02M65/00

Abstract: PURPOSE: A method for diagnosis of trouble of a fuel injector for a diesel engine is provided to prevent unnecessary replacement of the fuel injector. CONSTITUTION: A method comprises the steps of: a first step(S200,S210) executing learning of signal generated by a vibrational accelerometer placed on a center of a cylinder block every hour to record in an ECU(Electronic Control Unit); a second step(S220) comparing absolute value of learning value recorded in the first step with absolute value of preset reference value to determine; a third step(S230) controlling amount of fuel to increase or decrease pilot amount of fuel by the absolute value of the learning value, if the absolute value is determined in the second step to be smaller than the absolute value of the reference value; a fourth step(S240,S250,S260,S270) resetting the absolute value of the learning value, re-executing learning for all of cylinders, comparing the absolute values of the reference value and the learning value, and determining whether the absolute value of the reference value is larger than the absolute value of the learning value, if the absolute value of the learning value is determined in the second step to be larger than the absolute value of the reference value; and a fifth step(S280) returning to the second step if the absolute value of the reference value is determined in the fourth step to be larger than the absolute value of the learning value, and setting pilot amount of fuel to be 0 and lighting up an engine warning lamp to inform a driver, if the absolute value of the reference value is determined to be smaller than the absolute value of the learning value.

Abstract translation: 目的：提供一种用于诊断柴油发动机的燃料喷射器的故障的方法，以防止燃料喷射器的不必要的更换。 一种方法包括以下步骤：第一步骤（S200，S210）执行由每小时放置在气缸体中心的振动加速度计产生的信号的学习，以记录在ECU（电子控制单元）中; 将第一步记录的学习值的绝对值与预设参考值的绝对值进行比较的第二步骤（S220）进行确定; 第三步骤（S230），如果在第二步骤中确定绝对值小于参考值的绝对值，则控制燃料量增加或减少导频量的燃料量的学习值的绝对值; 重置学习值的绝对值，重新执行所有气缸的学习的第四步骤（S240，S250，S260，S270），比较参考值和学习值的绝对值，以及确定是否绝对值 如果在第二步骤中确定学习值的绝对值大于参考值的绝对值，则参考值大于学习值的绝对值; 以及第五步骤（S280），如果在第四步骤中确定参考值的绝对值大于学习值的绝对值，则返回到第二步骤，并且将燃料的导频量设置为0并点亮 发动机警告灯，用于通知驾驶员，如果确定参考值的绝对值小于学习值的绝对值。

公开(公告)号：KR101198781B1

公开(公告)日：2012-11-07

申请号：KR1020090120126

申请日：2009-12-04

Applicant: 현대자동차주식회사

Inventor： 김건상

IPC: F01N3/06 ,  F01N9/00

CPC classification number: Y02T10/47

Abstract: 본 발명은 NOx 환원장치가 장착된 차량의 탈황 방법에 관한 것으로, 탈황 과정 이후 재생 효율을 측정하는 단계; 상기 측정된 탈황 과정 이후 재생 효율과 설정된 탈황 과정 후 NOx 재생 효율을 비교하는 단계; 상기 측정된 탈황 과정 후 재생 효율이 상기 설정된 탈황 과정 후 NOx 재생 효율보다 크거나 같은 경우 탈황 주기를 설정된 값만큼 증대하여 탈황 과정을 시행하는 단계; 및 상기 측정된 탈황 과정 후 재생 효율이 상기 설정된 탈황 과정 후 NOx 재생 효율보다 작은 경우 탈황 과정을 수행하는 단계;를 포함한다.
NOx 환원장치, LNT(Lean NOx Trap)

公开(公告)号：KR1020110063171A

公开(公告)日：2011-06-10

申请号：KR1020090120126

申请日：2009-12-04

Applicant: 현대자동차주식회사

Inventor： 김건상

IPC: F01N3/06 ,  F01N9/00

CPC classification number: Y02T10/47 ,  F01N3/0885 ,  F01N9/00 ,  F01N2570/14

Abstract: PURPOSE: A desulfurization method of a vehicle using an LNT(Lean NOx Trap) is provided to extend the cycle of desulfurization according to NOx regeneration efficiency and improve fuel efficiency. CONSTITUTION: A desulfurization method of a vehicle using an LNT is as follows. A regeneration efficiency after a desulfurization process is measured(S20). The measured regeneration efficiency is compared with the set regeneration efficiency(S30). If the measured regeneration efficiency is equal to or greater than the set regeneration efficiency, a desulfurization cycle is extended by the set value and a desulfurization process is carried out(S40,S50). If the measured regeneration efficiency is less than the set regeneration efficiency, a desulfurization process is carried out(S60).

Abstract translation: 目的：提供使用LNT（Lean NOx Trap）的车辆的脱硫方法，以根据NOx再生效率延长脱硫循环，提高燃油效率。 构成：使用LNT的车辆的脱硫方法如下。 测定脱硫处理后的再生效率（S20）。 将测定的再生效率与设定的再生效率进行比较（S30）。 如果测定的再生效率等于或大于设定的再生效率，则将脱硫循环延长设定值，进行脱硫处理（S40，S50）。 如果测定的再生效率小于设定的再生效率，则进行脱硫处理（S60）。

公开(公告)号：KR1020060023742A

公开(公告)日：2006-03-15

申请号：KR1020040072580

申请日：2004-09-10

Applicant: 현대자동차주식회사

Inventor： 김건상

IPC: F16C3/02

CPC classification number: F16C3/20 ,  F16C2326/01 ,  F16F15/265

Abstract: 본 발명은 자동차용 밸런스샤프트의 구동장치에 관한 것으로, 드리븐기어(6)와 인접한 부위에서 밸런스샤프트(4)를 축의 길이방향으로 양분하도록 설치되는 유체클러치조립체(20)와, 상기 유체클러치조립체(20)와 리턴파이프(41)를 통해 연결되도록 설치되면서 유체클러치조립체(20)로부터 배출된 작동유를 임시보관하는 작동유저장탱크(43)와, 상기 작동유저장탱크(43)와는 연결파이프(45)를 통해 연결되고 상기 유체클러치조립체(20)와는 공급파이프(47)를 통해 연결되어 상기 작동유저장탱크(43)내에 보관된 작동유를 상기 유체클러치조립체(20)의 내부로 공급하기 위해 구동되는 작동유펌프(49)와, 상기 공급파이프(47)상에 설치되어 개폐작동을 하는 솔레노이드밸브(51)와, 이그니션스위치(53)와 냉각수온센서(55)와 차속센서(57) 및 스로틀밸브위치센서(59)를 통 해 입력받은 정보를 이용해 상기 작동유펌프(49)의 구동 및 상기 솔레노이드밸브(51)의 개폐작동을 제어하는 콘트롤러(61)로 구성되어져, 엔진의 시동 온/오프에 및 차량의 주행상태에 따라 밸런스샤프트의 회전을 선택적으로 제한하여, 차량의 시동성을 좋게 함으로써 배출가스의 발생량을 줄일 수 있도록 하고, 구동력 증대 및 출력향상을 통해 연비를 개선할 수 있도록 함은 물론, 엔진의 회전수를 원활하게 유지하고 동시에 엔진소음 및 진동을 억제시킬 수 있도록 된 것이다.

公开(公告)号：KR100440309B1

公开(公告)日：2004-07-15

申请号：KR1020010078822

申请日：2001-12-13

Applicant: 현대자동차주식회사

Inventor： 김건상

IPC: F02D41/04

Abstract: PURPOSE: A method for controlling pilot fuel quantity correction right after injector change in a common rail diesel engine is provided to determine pilot fuel quantity depending on an average of the learned values in a vibrating acceleration gauge. CONSTITUTION: A method for controlling pilot fuel quantity correction right after injector change in a common rail diesel engine comprises the steps of deciding the change of an injector, deciding if a first condition is satisfied after resetting the learned value stored in a memory(S130), performing fuel injection amount learning control for all injectors for pre-determined times(S140), performing pilot fuel quantity correction(S150), and performing a pilot fuel quantity correction learning sub-routine by a vibration gauge after a second predetermined standby time is elapsed(S190).

Abstract translation: 目的：提供一种用于在共轨柴油发动机中的喷射器更换之后立即控制引燃燃料量校正的方法，以根据振动加速度计中的学习值的平均值确定引燃燃料量。 用于在共轨柴油发动机中喷射器改变之后立即控制引燃燃料量校正的方法包括以下步骤：确定喷射器的变化，在重置存储在存储器中的学习值之后确定是否满足第一条件（S130） ，在第二预定待机时间之后，通过振动计执行预定次数的所有喷油器的燃油喷射量学习控制（S140），执行引燃燃油量校正（S150）以及执行引燃燃料量校正学习子程序 过去（S190）。

公开(公告)号：KR101655141B1

公开(公告)日：2016-09-07

申请号：KR1020110079056

申请日：2011-08-09

Applicant: 현대자동차주식회사

Inventor： 김건상

IPC: F01L13/00 ,  F01L1/18

Abstract: 본발명은가변밸브리프트장치에관한것으로, 힌지핀에일단이피벗(pivot)운동가능하게연결된이너바디; 상기힌지핀에일단이피벗운동가능하게연결된로스트레버; 상기이너바디의내부에설치되어상기이너바디와로스트레버를선택적으로결합시키는래칭부; 상기래칭부일측에위치하고, 상기이너바디에설치되어상기래칭부미작동시상기이너바디와로스트레버를선택적으로결합시키는하나이상의보조래칭부; 를포함하는가변밸브리프트장치를제공하여, 저온에서냉간시동성을향상시킬수 있고, 시동시스월강도및 흡입공기량을종래의엔진과동일하게할 수있는효과가있다.

Abstract translation: 可变气门升程装置技术领域本发明涉及一种可变气门升程装置，更具体地涉及一种可变气门升程装置，其包括连接至铰链销的内体，使得其一端可枢转地移动; 一个凸耳杆，其一端可枢转地连接到铰链销; 锁定单元，所述锁定单元安装在内部主体内用于选择性地联接内部主体和丢失的杆; 一个或多个辅助锁定部分，其位于锁定部分的一侧，并且在锁定部分未被处理的同时选择性地安装在内部主体和丢失的杠杆上; 可以改善低温下的冷起动性，并且可以使起动水箱和进气量的强度与传统发动机的相同。