-
公开(公告)号:KR101234637B1
公开(公告)日:2013-02-19
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: 본 발명은 엔진에서 발생되는 배기 가스에 포함된 질소산화물의 양을 정확히 예측하는 방법 및 상기 질소산화물의 양에 따라 분사되는 환원제의 양을 조절하거나 연소 분위기를 조절하는 배기 장치에 관한 것이다.
본 발명의 실시예에 따른 질소산화물의 양을 예측하는 방법은 엔진의 운전 조건에 따라 기준 NOx양을 계산하는 단계; EGR(Exhaust Gas Recirculation)율에 따라 상기 기준 NOx양을 1차로 보정하는 단계; 그리고 환경 인자에 따라 1차로 보정된 NOx양을 2차로 보정하는 단계;를 포함할 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)。
-
公开(公告)号:KR1020120000419A
公开(公告)日:2012-01-02
申请号:KR1020100060771
申请日:2010-06-25
Applicant: 현대자동차주식회사
Inventor: 박진우
Abstract: PURPOSE: A steel for a cage of a constant velocity joint and a cage of a constant velocity joint using the same are provided to improve intensity and impact toughness of a cage capering to the existing material cage. CONSTITUTION: A steel for a cage of a constant velocity joint comprises carbon(C) of less than 0.12~0.18 weight%, silicon(Si) of 0.10~0.20 weight%, manganese(Mn) of 1.20~1.50 weight%, phosphorus(P) of less than 0.03 weight%, nickel(Ni) of 0.50~1.00 weight%, sulfur(S) of less than 0.03 weight%, chrome(Cr) of 0.20~0.40 weight%, titanium(Ti) of 0.02~0.05 weight%, nitrogen(N) of 0.01~0.02 weight%, aluminum(Al) of 0.01~0.03 weight%, boron(B) of 10~40ppm, and iron remainder(Fe). A cage(15) of constant velocity joint is located between an inner-race(13) and an outer-race(12). The iron is the main component of the cage. The cage of the constant velocity joint regulates the location of the axial direction and radial direction of the inner-race and outer-race.
Abstract translation: 目的:提供一种用于恒速接头保持架的钢和使用其的等速万向节保持架,以提高对现有材料保持架的笼式铆钉的强度和冲击韧性。 构成:用于恒速接头保持架的钢包括小于0.12〜0.18重量%的碳(C),0.10〜0.20重量%的硅(Si),1.20〜1.50重量%的锰(Mn),磷( P)小于0.03重量%,镍(Ni)为0.50〜1.00重量%,硫(S)小于0.03重量%,铬(Cr)为0.20〜0.40重量%,钛(Ti)为0.02〜0.05 重量%,氮(N)0.01〜0.02重量%,铝(Al)0.01〜0.03重量%,硼(B)10〜40ppm,铁余量(Fe)。 恒速接头的保持架(15)位于内圈(13)和外圈(12)之间。 铁是笼子的主要部件。 等速万向节的笼子调节内圈和外圈的轴向和径向的位置。
-
公开(公告)号:KR1020110062617A
公开(公告)日:2011-06-10
申请号:KR1020090119396
申请日:2009-12-03
Applicant: 현대자동차주식회사
CPC classification number: Y02A50/2322 , Y02T10/47 , F01N3/20 , F01N3/28 , F01N2560/025 , F01N2610/146
Abstract: PURPOSE: A device and method for purifying secondary injection exhaust gas from vehicle is provided to improve the purifying efficiency of exhaust gas following with the dynamic operation of an engine. CONSTITUTION: A device and method for purifying secondary injection exhaust gas from vehicle comprises a harmful material purification catalyst(10), a secondary injection system, and a controller(40). The harmful material purification catalyst is installed in the fixed position of an exhaust pipe(6) connected to an engine(2). The secondary injection system supplies reducing agent or fuel to catalyst. The controller determines an operation section according to engine RPM and fuel ejection amount under a secondary spray condition. The controller determines a secondary fuel injection pattern by applying a secondary ejection map based on the operation section. The controller purifies NOx and particulate matters by supplying fuel or reducing agent to catalyst using the secondary injection system.
Abstract translation: 目的:提供一种用于净化车辆二次注入废气的装置和方法,以提高发动机动态运行后废气的净化效率。 构成:用于净化车辆二次注入废气的装置和方法包括有害物质净化催化剂(10),二次注射系统和控制器(40)。 有害物质净化催化剂安装在与发动机(2)连接的排气管(6)的固定位置。 二次注射系统向催化剂供应还原剂或燃料。 控制器根据发动机RPM和二次喷射状态下的燃料喷射量确定操作部。 控制器通过基于操作部分应用二次喷射图来确定二次燃料喷射模式。 控制器通过使用二次注射系统向催化剂供应燃料或还原剂来净化NOx和颗粒物质。
-
公开(公告)号:KR1020110048278A
公开(公告)日:2011-05-11
申请号:KR1020090105016
申请日:2009-11-02
Inventor: 박진우
CPC classification number: F01N9/002 , F01N3/023 , F01N3/106 , F01N11/00 , F01N13/009 , F01N2550/02 , F01N2570/14 , F01N2610/03 , F02D41/0275 , F02D41/029 , F02D41/1441 , F02D41/1446 , F02D2041/0265 , F02D2200/0802 , Y02A50/2344 , Y02T10/47
Abstract: PURPOSE: An exhaust system is provided to improve the regeneration efficiency of a filter by changing the regeneration temperature of the filter when the degradation degree of a fuel cracking catalyst is higher than a set value. CONSTITUTION: An exhaust system comprises a filter(150), a deNox catalyst(130), an injector(120), a fuel cracking catalyst(140), and a controller(105). The filter is installed in an exhaust line(110) and collects particulates from the exhaust gas. The deNox catalyst is installed under the filter and reduces nitric oxide included in the exhaust gas using a reducing agent created from the fuel cracking catalyst. The injector sprays additional fuel to an exhaust line. The fuel cracking catalyst is installed between the injector and the filter to convert the additional fuel sprayed from the injector into the reducing agent and raise the temperature through oxidation. The controller controls the fuel injection of the injector to raise the temperature of the filter to, wherein the regeneration temperature of the filter is changed according to the degradation degree of the fuel cracking catalyst.
Abstract translation: 目的:提供一种排气系统,用于当燃料裂化催化剂的降解程度高于设定值时,通过改变过滤器的再生温度来提高过滤器的再生效率。 构成:排气系统包括过滤器(150),脱硝催化剂(130),喷射器(120),燃料裂化催化剂(140)和控制器(105)。 过滤器安装在排气管线(110)中并从废气中收集颗粒物。 deNox催化剂安装在过滤器下方,并使用由燃料裂化催化剂产生的还原剂还原废气中的一氧化氮。 喷油器将额外的燃料喷射到排气管路。 燃料裂化催化剂安装在喷射器和过滤器之间,以将从喷射器喷射的附加燃料转化成还原剂并通过氧化升高温度。 控制器控制喷射器的燃料喷射以将过滤器的温度升高到其中过滤器的再生温度根据燃料裂化催化剂的劣化程度而改变。
-
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。
-
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。
-
公开(公告)号:KR1020100064069A
公开(公告)日:2010-06-14
申请号:KR1020080122496
申请日:2008-12-04
Applicant: 현대자동차주식회사
Inventor: 박진우
CPC classification number: Y02T10/40 , F01M11/10 , F01M1/20 , F01M2011/1446 , F02D41/222 , F02D2041/228
Abstract: PURPOSE: An oil pressure monitoring method for a diesel engine is provided to enable a user to check the time to replace engine oil by determining the oil replacement of a diesel engine through the oil pressure of a diesel engine. CONSTITUTION: An oil pressure monitoring method for a diesel engine comprises following steps. Whether a vehicle has moved over constant mileage or a vehicle is traveled up to constant km after the completion of post-injection is determined(S16). If the first step is satisfied, whether or not an engine operation condition for measuring engine oil pressure is measured is determined(S18). If the second step is satisfied, whether or not the operation condition of the second step is maintained for fixed time(S20). If the third step is satisfied, the engine oil pressure is measured(S22). Whether or not the engine oil pressure measured in the fourth step is less than the preset limit value at the engine drive condition of the second step(S24).
Abstract translation: 目的:提供一种用于柴油发动机的油压监测方法,用于通过柴油发动机的油压确定柴油机的换油来检查更换机油的时间。 构成:柴油机的油压监测方法包括以下步骤。 确定后喷射完成后车辆是否已经超过恒定里程或车辆行驶到恒定公里(S16)。 如果满足第一步骤,则确定是否测量发动机油压的发动机运转条件(S18)。 如果第二步满足,则第二步的操作条件是否保持固定时间(S20)。 如果满足第三步,则测量发动机油压(S22)。 在第四步骤中测量的发动机机油压力是否小于第二步骤的发动机驱动条件下的预设极限值(S24)。
-
公开(公告)号:KR100962812B1
公开(公告)日:2010-06-09
申请号:KR1020070131477
申请日:2007-12-14
Applicant: 현대자동차주식회사
Inventor: 박진우
CPC classification number: Y02T10/47
Abstract: 본 발명은 디젤엔진 배기가스 저감 장치에 관한 것으로, 일측에 산소 분사 신호에 따라 압축되어 있던 산소를 분사하는 산소압축/분사부; 및 배기가스의 산소량을 감지하여 상기 산소량이 소정의 기준 산소량 미만인 경우에 상기 산소압축/분사부로 상기 산소 분사 신호를 인가하는 산소 감지부를 포함함으로써, CPF 전단의 산소량을 일정 수준 이상으로 유지할 수 있어 LNT 탈황과 CPF 재생의 연비를 개선시킬 수 있다.
배기가스, CPF, LNT-
公开(公告)号:KR1020100010600A
公开(公告)日:2010-02-02
申请号:KR1020080071543
申请日:2008-07-23
Applicant: 현대자동차주식회사
Inventor: 박진우
Abstract: PURPOSE: A neutral position control device of a steering wheel is provided to improve the convenience of an operator by conveniently controlling the neutral position of a steering wheel without separating a steering wheel from a steering column. CONSTITUTION: A neutral position control device of a steering wheel comprise a hub projection(14), a column shaft(41), a first bevel gear(45), and a pair of first and second shaft nuts(47,49). A slope whose diameter gradually gets smaller is formed on the outer surface of the hub projection along the direction projected from a hub(12) of a steering wheel(10). A screw groove(43b) is conically formed on the slope according to the columnar direction. The column shaft is inserted to the ball inserted to a shaft insertion hole(24) of the steering column. The column shaft revolves about the steering column. The first and second bevel gears are connected to the column shaft by passing through both sides of the column projected from the shaft insertion hole. A screw groove is formed on the side inclined to be connected to the screw groove of the hub projection in the first and second bevel gears. First and second shaft nuts are connected to both ends of the column shaft.
Abstract translation: 目的:提供方向盘的中立位置控制装置,通过方便地控制方向盘的中立位置而不使方向盘与转向柱分离,从而提高操作者的便利性。 构成:方向盘的中立位置控制装置包括轮毂突出部(14),柱轴(41),第一锥齿轮(45)和一对第一和第二轴螺母(47,49)。 沿着轮毂突起的外表面沿着从方向盘(10)的轮毂(12)突出的方向形成直径逐渐变小的斜面。 螺杆槽(43b)根据柱状方向在斜面上圆锥形成。 柱轴被插入到插入转向柱的轴插入孔(24)中的球上。 柱轴围绕转向柱旋转。 第一和第二锥齿轮通过从轴插入孔突出的柱的两侧连接到柱轴。 在第一和第二锥齿轮中,倾斜地连接到轮毂突起的螺纹槽的一侧形成有螺纹槽。 第一和第二轴螺母连接到立柱轴的两端。
-
-
-
-
-
-
-
-
-