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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:KR1020130047216A
公开(公告)日:2013-05-08
申请号:KR1020110112102
申请日:2011-10-31
Applicant: 현대자동차주식회사
Inventor: 박진우
CPC classification number: F02D15/02 , F02B75/04 , F02D41/0215 , F02D41/04 , F02D2700/03
Abstract: PURPOSE: A variable compression ratio control method is provided to prevent the NVH(Noise, Vibration, and Harshness) deterioration of a device according to the variation of a compression ratio by implementing a variable compression ratio on the basis of a gear transmission stage number for lowering fuel injection amount and engine RPM in the transmission of a gear. CONSTITUTION: A variable compression ratio control method comprises the following steps: checking a current gear transmission stage while driving an engine(S10); confirming whether the gear transmission stage varies in the checking process(S20); determining the condition of a gear transmission stage number for changing is a high gear transmission stage number according to a high speed high load drive area(S30); and changing the compression ratio of a combustion chamber into a different compression ratio from the high gear transmission stage number according to the high speed high load drive area when satisfying the condition of the gear transmission stage number(S40). [Reference numerals] (AA) Low gear: High compression ratio; (BB) High gear: Low compression ratio; (S10) Operate an engine; (S20) Gear shifted?; (S30) Gear stage > A; (S40) Drive a compression ratio changer
Abstract translation: 目的:提供一种可变压缩比控制方法,用于根据压缩比的变化来防止装置的NVH(噪声,振动和粗糙度)劣化,通过基于齿轮传动级数实现可变压缩比, 降低齿轮传动中的燃料喷射量和发动机转速。 构成:可变压缩比控制方法包括以下步骤:在驾驶发动机时检查当前齿轮传动级(S10); 确认在检查处理中齿轮传动阶段是否变化(S20); 根据高速高负载驱动区域,确定用于变化的齿轮传动级数的条件是高齿轮传动级数(S30); 并且当满足齿轮传动级数的条件(S40)时,根据高速高负载驱动区域将燃烧室的压缩比改变成与高齿轮传动级数不同的压缩比。 (标号)(AA)低档:高压缩比; (BB)高档:低压缩比; (S10)操作发动机; (S20)齿轮换档 (S30)齿轮级> A; (S40)驱动压缩比变更器
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公开(公告)号:KR1020130004625A
公开(公告)日:2013-01-14
申请号:KR1020110065757
申请日:2011-07-04
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A high-carbon steel wheel bearing and a heat-treating method thereof are provided to improve a material and a process, thereby optimizing the contact-service life of the high-carbon steel wheel bearing component under the condition of an identical load. CONSTITUTION: A high-carbon steel wheel bearing comprises 1.00 to 1.10 wt% of C, 0.50 to 0.70 wt% of Si, 1.00 to 1.20 wt% of Mn, 1.45 to 1.65 wt% of Cr, 0.20 to 0.40 wt% of Ni, 0.02 to 0.04 wt% of Nb, less than 0.025 wt% of P, and less than 0.008 wt% of S. The high-carbon steel wheel bearing includes an inner race, an outer race, and plural balls. The inner race is assembled to be inserted into the outer circumference of a wheel hub. The outer race is assembled to be inserted into the inner circumference surface of a knuckle. The plural balls are interposed between the inner race and the outer race for relatively rotating. The heat-treating method of the high-carbon steel wheel bearing comprises: A step of quenching a bearing-shaped steel component for 60 minutes at the temperature of 840 degrees Celsius; a step of hardening the quenched component for 30 minutes at the temperature of 780 degrees Celsius; and a step of tempering the hardened component at 60 minutes at the temperature of 175 degrees Celsius. [Reference numerals] (AA) Quenching OIL temperature: 115°C
Abstract translation: 目的:提供高碳钢轮轴承及其热处理方法以改善材料和工艺,从而在相同载荷的条件下优化高碳钢轮轴承部件的接触寿命。 构成:高碳钢轮轴承包含C:1.00〜1.10重量%,Si:0.50〜0.70重量%,Mn:1.00〜1.20重量%,Cr 1.45〜1.65重量%,Ni:0.20〜0.40重量% 0.02〜0.04重量%的Nb,小于0.025重量%的P和小于0.008重量%的S。高碳钢轮轴承包括内圈,外圈和多个球。 内圈组装成插入轮毂的外周。 外圈组装成插入转向节的内周面。 多个球插入在内座圈和外座圈之间用于相对旋转。 高碳钢轮轴承的热处理方法包括:在840℃的温度下淬火60分钟的轴承形状的钢部件的步骤; 在780摄氏度的温度下淬火组分淬火30分钟的步骤; 以及在175摄氏度的温度下在60分钟回火硬化组分的步骤。 (标号)(AA)淬火油温度:115℃
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公开(公告)号:KR1020120048255A
公开(公告)日:2012-05-15
申请号:KR1020100109799
申请日:2010-11-05
Applicant: 현대자동차주식회사
IPC: B62D1/04 , B60R21/203 , B62D1/16
Abstract: PURPOSE: A steering device of a vehicle is provided to protect a driver effectively in the expansion of an airbag. CONSTITUTION: A steering device of a vehicle comprises a steering column(20), a steering shaft(30), a bracket(50), a lever(60). The upper end of the steering column is coupled with a steering wheel(10) and the lower end of the steering column is arranged into the front direction of a vehicle. The upper end of the steering shaft is coupled with the lower end of the steering column to be rotated and the lower end of the steering shaft is coupled with a gear box(40) to be rotated. The bracket is located in the front of the steering column and the steering shaft and comprises a bent portion(50b) bent by determined force. The bracket is divided into a top portion(50a) and a bottom portion(50c) based on the bent portion. The upper part of the bracket is connected to a steering column through a first connection bar(51). A lever is located between the steering shaft and a bracket and installed to be rotated in a vehicle body. The lever is divided into a upper lever(60a) and a lower lever(60c) based on a rotary shaft(60b).
Abstract translation: 目的:提供一种车辆的转向装置,用于在气囊膨胀时有效地保护驾驶员。 构成:车辆的转向装置包括转向柱(20),转向轴(30),支架(50),杠杆(60)。 转向柱的上端与方向盘(10)联接,转向柱的下端设置在车辆前方。 转向轴的上端与转向柱的下端连接以转动,转向轴的下端与齿轮箱(40)联接以旋转。 支架位于转向柱和转向轴的前部,并且包括由确定的力弯曲的弯曲部分(50b)。 基于弯曲部分,支架被分成顶部(50a)和底部(50c)。 支架的上部通过第一连接杆(51)连接到转向柱。 杠杆位于转向轴和支架之间,并安装成在车体中旋转。 杠杆根据旋转轴(60b)分为上杆(60a)和下杆(60c)。
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公开(公告)号:KR1020090099292A
公开(公告)日:2009-09-22
申请号:KR1020080024447
申请日:2008-03-17
Applicant: 현대자동차주식회사
Inventor: 박진우
Abstract: An apparatus for a limited slip differential is provided to improve durability and driving feeling by reducing impact and noise while a gear of a spider and driven clutch are connected with each other. In an apparatus for a limited slip differential, a differential limitation apparatus is comprised of a differential case, a spider(110), driven clutches(121,122), and a side gear. The spider is installed inside the differential case, and the spider distributes delivered power to an axle. The driven clutches are installed on the both side of the spider while being connected with the spider respectively. The side gear is combined with the driven clutch and the axle by the spline, and it is supported by the differential case. Elastic members(131,132) which elastically support the protrusion are formed in a connecting part of the differential case assembled with the protrusion of spider.
Abstract translation: 提供一种用于限滑差速器的装置,用于通过减小冲击和噪音来提高耐久性和驾驶感觉,同时将一个蜘蛛和从动离合器的齿轮相互连接。 在限滑差速装置中,差动限位装置包括差速器壳体,星形架(110),驱动离合器(121,122)和侧齿轮。 蜘蛛安装在差速器箱内,蜘蛛将交付的动力分配到轴上。 驱动离合器分别安装在蜘蛛的两侧,同时与蜘蛛连接。 侧齿轮通过花键与从动离合器和轴组合,并且由差速器壳体支撑。 弹性支撑突起的弹性件(131,132)形成在与蜘蛛突起组装的差速器壳体的连接部分中。
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公开(公告)号:KR1020090063944A
公开(公告)日:2009-06-18
申请号:KR1020070131481
申请日:2007-12-14
Applicant: 현대자동차주식회사
Inventor: 박진우
CPC classification number: Y02T10/22 , F01N3/20 , F01N3/035 , F01N3/28 , F01N3/30 , F01N2560/025 , F01N2560/08
Abstract: A winner material removal system within the exhaust gas of the gasoline direct injection engine and their control method are provided to eject the exhaust gas burned incompletely to outside. A winner material removal system within the exhaust gas of the gasoline direct injection engine comprises an exhaust pipe(11) ejecting the exhaust gas generated from the gasoline direct injection engine(10), a NOx removing catalyst(12) for collecting the nitric oxide among the exhaust gas, a tail pipe(13) ejecting the exhaust gas to airborne, a metal filter member(21) which is formed in the exhaust pipe and removes the winner material among the exhaust gas, a catalyst pipe(22) connected between the metal filter member and nitrogen oxide removal catalyst, and a filter rear end oxygen sensor(35) formed between the metal filter member and nitrogen oxide removal catalyst.
Abstract translation: 提供汽油直喷发动机废气中的优质材料去除系统及其控制方法,将不完全燃烧的废气喷射到外部。 汽油直喷发动机废气中的获胜者材料去除系统包括喷射从汽油直喷发动机(10)产生的废气的排气管(11),用于收集汽油直喷发动机(10)中的一氧化氮的NOx去除催化剂 废气,将废气喷射到空气中的尾管(13),形成在排气管中并去除排气中的胜利者材料的金属过滤构件(21),连接在排气管之间的催化剂管(22) 金属过滤构件和氮氧化物除去催化剂,以及形成在金属过滤构件和氮氧化物除去催化剂之间的过滤器后端氧传感器(35)。
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公开(公告)号:KR1020090061414A
公开(公告)日:2009-06-16
申请号:KR1020070128420
申请日:2007-12-11
Applicant: 현대자동차주식회사
Inventor: 박진우
IPC: C22C38/00
Abstract: Boron steel for crank shaft is provided to improve toughness while securing the same strength as non-heat-treated steel by adding boron. Boron steel for crank shaft contains Fe as base material, C 0.20~0.25 weight%, Si 0.15~0.35 weight%, Mn 1.00~1.50 weight%, P 0.03 weight% or less, S 0.04~0.07 weight%, Cr 0.25~0.35 weight%, Ti 0.02~0.05 weight%, N 0.01~0.02 weight%, Al 0.01~0.03 weight%, and B 10~40ppm. Si serves to improve rigidity and elasticity. Mn is employed in the matrix to improve the strength and toughness of material. Cr serves to increase the strength in quenching and tempering. Al serves to improve strength and toughness of material by enhancing curability and miniaturizing grain. B serves to improve hardenability.
Abstract translation: 提供用于曲轴的硼钢,以通过添加硼来确保与非热处理钢相同的强度来提高韧性。 曲轴用硼钢含有Fe为基体,C为0.20〜0.25重量%,Si为0.15〜0.35重量%,Mn为1.00〜1.50重量%,P为0.03重量%以下,S为0.04〜0.07重量%,Cr为0.25〜0.35 重量%,Ti 0.02〜0.05重量%,N 0.01〜0.02重量%,Al 0.01〜0.03重量%,B 10〜40ppm。 Si用于提高刚性和弹性。 在基体中使用Mn来提高材料的强度和韧性。 Cr用于提高淬火和回火的强度。 Al用于通过提高固化性和使晶粒小型化来提高材料的强度和韧性。 B用于提高淬透性。
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公开(公告)号:KR101926931B1
公开(公告)日:2018-12-10
申请号:KR1020160161052
申请日:2016-11-30
Applicant: 현대자동차주식회사
Abstract: 본 발명은 스프링의 내측 영역에 압축 잔류응력을 형성시켜 피로수명 및 부식수명을 향상시키는 고내구 코일 스프링 및 그 제조방법에 관한 것이다.
본 발명의 일 실시형태에 따른 고내구 코일 스프링은 코일 형태의 스프링으로서, 스프링은 단면을 기준으로 스프링의 내부 중심점에 가까운 내측 영역, 스프링의 외부에 가까운 외측 영역, 스프링의 상부에 가까운 상측 영역 및 스프링의 하부에 가까운 하측 영역으로 구분하고, 상기 내측 영역에 형성된 압축 잔류응력이 상측 영역 및 하측 영역에 형성된 압축 잔류응력보다 같거나 큰 것을 특징으로 한다.-
公开(公告)号:KR101745211B1
公开(公告)日:2017-06-09
申请号:KR1020150179173
申请日:2015-12-15
Abstract: 중량%로, 탄소(C) : 0.51~0.57%, 실리콘(Si) : 1.40~1.70%, 망간(Mn) : 0.55~0.80%, 크롬(Cr) : 0.70~0.90%, 구리(Cu) : 0.30~0.40%, 바나듐(V) : 0.10~0.15%, 니켈(Ni) : 0.25~0.35%, 인(P) : 0.017% 이하 (0은불포함), 황(S) : 0.010% 이하 (0은불포함), 잔부철(Fe) 및기타불가피한불순물을포함하는고내구코일스프링강이소개된다.
Abstract translation: (C):0.51至0.57%,硅(Si):1.40至1.70%,锰(Mn):0.55至0.80%,铬(Cr):0.70至0.90%,铜 到0.40%,钒(V):0.10〜0.15%,镍(Ni):0.25〜0.35%,磷(P):0.017%以下(不包括零),硫(S):0.010%以下(零不包括 ),剩余铁(Fe)等不可避免的杂质。
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公开(公告)号:KR101745191B1
公开(公告)日:2017-06-09
申请号:KR1020150171889
申请日:2015-12-04
CPC classification number: C22C38/50 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48
Abstract: 본발명은엔진밸브스프링용으로사용가능하도록인장강도와피로강도를향상시킨초고강도스프링강에관한것으로서, 본발명의일 실시형태에따른초고강도스프링강은차량의엔진에사용되는밸브스프링강으로서, 중량%로, C: 0.5 ~ 0.7%, Si: 1.2 ~ 1.5%, Mn: 0.6 ~ 1.2%, Cr: 0.6 ~ 1.2%, Mo: 0.1 ~ 0.5%, Ni: 0.05 ~ 0.8%, V: 0.05 ~ 0.5%, Nb: 0.05 ~ 0.5%, Ti: 0.05 ~ 0.3%, Cu: 0.3% 이하(0% 제외), Al: 0.0001 ~ 0.3%, N: 0.03% 이하(0% 제외), O: 0.0001 ~ 0.003%, 나머지 Fe 및기타불가피한불순물을포함한다.
Abstract translation: 本发明涉及在扬子帮助疲劳强度提高该超高强度弹簧钢,以用于在发动机气门弹簧,早期的高强度弹簧钢,根据本发明的一个实施例提供用于车辆的发动机的阀弹簧钢 ,以重量%计,C:0.5〜0.7%以下,Si:1.2〜1.5%以下,Mn:0.6〜1.2%以下,Cr:0.6〜1.2%以下,Mo:0.1〜0.5%以下,Ni:0.05〜0.8%,V:0.05 (不含0%),Al:0.0001〜0.3%,N:0.03%以下(不含0%),O:0.0001 余量为Fe和其他不可避免的杂质至0.003%。
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