公开(公告)号：KR1020090132154A

公开(公告)日：2009-12-30

申请号：KR1020080058277

申请日：2008-06-20

Applicant: 현대자동차주식회사

Inventor： 김학진

IPC: B60K17/34

Abstract: PURPOSE: A transfer apparatus of a 4 wheel drive vehicle is provided to reduce the manufacturing cost and to simplify the composition by doubly assembling a drive shaft having a transfer drive gear. CONSTITUTION: A transfer apparatus of a 4 wheel drive vehicle is composed of a transfer housing(110), a hollow shaft(120), and a drive shaft(130). The hollow shaft is formed within the transfer housing. One end of a body unit(131) of the drive shaft is assembled in the hollow shaft in a spline(132). The drive shaft is combined with the hollow shaft by a fixing unit(140). A transfer drive gear(133) is formed at the other end of the drive shaft. The fixing unit is a circular link. The fixing unit is inserted in a recessed part formed along the columnar direction of the drive shaft and the hollow shaft.

Abstract translation: 目的：提供四轮驱动车辆的传送装置，以通过双重组装具有传送驱动齿轮的驱动轴来降低制造成本并简化组合。 构成：四轮驱动车辆的传送装置由传送壳体（110），中空轴（120）和驱动轴（130）构成。 中空轴形成在转移壳体内。 驱动轴的主体单元（131）的一端在花键（132）中组装在中空轴中。 驱动轴通过固定单元（140）与空心轴组合。 传动驱动齿轮（133）形成在驱动轴的另一端。 定影单元是圆形连杆。 固定单元插入沿着驱动轴和中空轴的柱状方向形成的凹部中。

公开(公告)号：KR1020040013801A

公开(公告)日：2004-02-14

申请号：KR1020020046882

申请日：2002-08-08

Applicant: 현대자동차주식회사

Inventor： 김학진

IPC: C21D1/30

CPC classification number: Y02P10/212

Abstract: PURPOSE: A heat treatment method for removing residual stress of cylinder head is provided to improve durability and physical properties in a high temperature range in which the cylinder head is operated by preventing strain, crack and damage of cast article due to internal stress generated by contraction in cast article cooling process. CONSTITUTION: In a residual stress removing heat treatment method in the manufacturing process of cylinder head for large vehicles, the heat treatment method for removing residual stress of the cylinder head comprises the steps of proceeding cooling process of the melt injected into the mold after performing the process of injecting molten iron into mold, and increasing temperature of a cast article for one hour; maintaining the temperature increased cast article at 600 deg.C for two hours; and leaving alone the cooled cast article in the air so that the cast article is naturally cooled after cooling the cast article to 80 deg.C in a heat treatment furnace for six hours.

Abstract translation: 目的：提供一种去除气缸盖残余应力的热处理方法，以提高气缸盖运行的高温范围内的耐久性和物理性能，防止由于收缩产生的内部应力引起的铸件的应变，裂纹和损坏 在铸造冷却过程中。 构成：在用于大型车辆的气缸盖的制造过程中的残余应力消除热处理方法中，用于去除气缸盖的残余应力的热处理方法包括以下步骤：进行模具中注入的熔体的冷却过程， 将铁水注入模具的过程，并将铸造物品的温度升高1小时; 将温度升高的铸件在600℃下保持2小时; 并将空气中的冷却后的制品单独留下，使得在热处理炉中冷却铸件至80℃六个小时后，将铸造件自然冷却。

公开(公告)号：KR1020010063311A

公开(公告)日：2001-07-09

申请号：KR1019990060345

申请日：1999-12-22

Applicant: 현대자동차주식회사

Inventor： 박현수 ,  김학진 ,  김종문 ,  정승철

IPC: C22C33/08

CPC classification number: C22C37/04 ,  C21C1/08 ,  C21C1/10 ,  C22C33/10 ,  C22C37/10

Abstract: PURPOSE: A method for manufacturing CV (compacted vermicular) graphite iron for engines is provided to increase mechanical properties such as tensile strength, yield strength, elastic modulus and rigidity, improve noise and vibration reducing effects, and performance and durability reliability of the engines by using CV graphite iron which is manufactured by compensating the magnesium content as a durable material for engines. CONSTITUTION: In a method for manufacturing a CV graphite iron using cast iron comprising a main constituent of iron, and carbon, silicon, manganese, phosphorus, sulphur, chromium, molybdenum, copper and tin, the method comprises the processes of injecting molten metal having a temperature of 1500 to 1560 deg.C in which 0.020 to 0.028 wt.% of magnesium is additionally added to the above cast iron into a mold; and additionally re-adding magnesium the molten metal so that the magnesium content in the molten metal is in the range of 0.01 to 0.017 wt.%.

Abstract translation: 目的：提供用于制造用于发动机的CV（压实蠕虫）石墨铁的方法，以增加机械性能，例如拉伸强度，屈服强度，弹性模量和刚度，改善噪音和减振效果，以及发动机的性能和耐久性可靠性 使用通过补偿镁含量作为发动机的耐用材料制造的CV石墨铁。 构成：在使用包含铁，碳，硅，锰，磷，硫，铬，钼，铜和锡的主要成分的铸铁制造CV石墨铁的方法中，该方法包括注入具有 温度为1500〜1560℃，其中将0.020〜0.028重量％的镁另外加入到铸型中; 并且另外重新加入熔融金属镁，使得熔融金属中的镁含量在0.01至0.017重量％的范围内。

公开(公告)号：KR1020010048428A

公开(公告)日：2001-06-15

申请号：KR1019990053110

申请日：1999-11-26

Applicant: 현대자동차주식회사

Inventor： 박현수 ,  김학진 ,  정승철

IPC: B21K1/44 ,  B21H3/00 ,  C21D1/30 ,  C21D9/00

CPC classification number: B23P15/00 ,  B21C23/08 ,  B21H3/02 ,  B21J5/12 ,  C21D9/0093

Abstract: PURPOSE: A method for forming fiber flow for bolt is provided to obtain bolts with an excellent torsional rigidity and increased coupling force and durability by suppressing plastic deformation and strain hardening at the head core of mold during cold forging. CONSTITUTION: A method for forming a bolt(10) includes a rod wire extrusion step; a cold forging step for cold forging the material at a temperature lower than a re-crystallization temperature of the material so as to improve physical and mechanical characteristics of the material; and a cold rolling step for forming a screw. In the cold forging step, head core of the mold is formed flat so as to form the upper end of a bolt head(12) flat. A heat treatment process constituted by an annealing process which is performed at a temperature of 510 to 580 Deg.C for 100 to 180 minutes, is added after completion of the cold rolling step, so as to thereby remove residual stress. A fiber flow is distributed all over the bolt head and formed near vertical with respect to a torsional torque direction(30), in such a manner that the bolt head is provided with an excellent torsional rigidity.

Abstract translation: 目的：提供一种用于形成螺栓的纤维流动的方法，通过在冷锻期间抑制模具头芯处的塑性变形和应变硬化，获得具有优异的扭转刚度和增加的联接力和耐久性的螺栓。 构成：用于形成螺栓（10）的方法包括杆丝挤压步骤; 在低于材料的再结晶温度的温度下对材料进行冷锻的冷锻步骤，以改善材料的物理和机械特性; 以及用于形成螺杆的冷轧步骤。 在冷锻步骤中，模具的头芯形成为平坦的，以形成螺栓头（12）的上端平坦。 在冷轧工序结束后，通过在510〜580℃的温度下进行100〜180分钟的退火处理而构成的热处理工序，从而除去残留应力。 纤维流分布在整个螺栓头上并相对于扭转扭矩方向（30）在垂直方向上形成，使得螺栓头具有优异的扭转刚度。

公开(公告)号：KR1020080102723A

公开(公告)日：2008-11-26

申请号：KR1020070049528

申请日：2007-05-22

Applicant: 현대자동차주식회사

Inventor： 김학진

IPC: F16D13/64 ,  F16D13/60

Abstract: A coupling device can reduce the cost by using a paper plate instead of steel plate. In a coupling device, which compresses a plurality of plates with the magnetic force according to the clutch operation so that the plates are integrally rotated, a plurality of paper plates(200) are laminated at certain intervals between disc-shaped cover units(100) which are positioned at one side of a coil(10), and the cover units serving as an armature compress the paper plates with the magnetic force toward the coil. The cover units consists of a front unit(110) positioned in the coil side and a rear unit(120) positioned in the control(2) side. The magnetic force is generated as current flows in the coil and the front unit and the rear unit serve as an armature pulling the paper plates toward the coil.

Abstract translation: 连接装置可以通过使用纸板而不是钢板来降低成本。 在根据离合器操作使磁力压缩多个板以使板整体旋转的联接装置中，在盘形盖单元（100）之间以一定间隔层压多个纸板（200） 它们位于线圈（10）的一侧，并且用作电枢的盖单元用磁力将纸板压向线圈。 盖单元包括位于线圈侧的前单元（110）和位于控制（2）侧的后单元（120）。 当电流在线圈中流动时产生磁力，并且前单元和后单元用作将纸板拉向线圈的电枢。

公开(公告)号：KR1020070030360A

公开(公告)日：2007-03-16

申请号：KR1020050084951

申请日：2005-09-13

Applicant: 현대자동차주식회사

Inventor： 김학진 ,  주성회 ,  이태형

IPC: B60K17/16

Abstract: 본 발명의 목적은 차동 기어 장치의 각 베어링부에 공급하도록 비산되는 오일이 에어브리더를 통해 외부로 배출되는 것을 방지할 수 있도록 한 차동기어 장치의 기어 캐리어 카바를 제공하는데 있다.
이를 위해 본 발명은 상부 일측으로 형성되는 에어브리더를 구비하고 있으며, 그 에어 브리더의 하부로 상하를 구획하도록 수평으로 형성되는 복수개의 격막을 구비하는 차동기어 장치의 기어 캐리어 카바에 있어서,
상기 복수개의 격막은 서로 교대로 엇갈리게 형성되는 오일 낙하 통로를 구비한 것을 특징으로 한다.
차동기어장치, 기어캐리어 카바, 격막, 오일낙하통로, 오일유입차단판

公开(公告)号：KR1020050020094A

公开(公告)日：2005-03-04

申请号：KR1020030057757

申请日：2003-08-21

Applicant: 현대자동차주식회사

Inventor： 김학진

IPC: B22D15/04

Abstract: PURPOSE: To provide a method for manufacturing a differential case for automobile, the method for preventing initial formation of cracks and deterioration of mechanical properties on a window edge part of the differential case on which stress is partially concentrated to obtain uniform strength and stable quality of the differential case as a whole. CONSTITUTION: In a method for casting a differential case for automobile, the method for manufacturing the differential case for automobile comprises: a step of guiding a chiller part to a window edge part of the differential case for automobile by expanding a gap of a mold consisting of a top part and a bottom part when pouring molten metal into the mold during a molding operation to remove easily breakable chill structure that is generated in a rapid cooling step; and a step of manufacturing the chiller part in a spherical shape, wherein the chiller part comprises a chill portion formed on the surface of the chiller part, and a chill weak portion in which a passage is formed such that cooling rate is slowly transferred to the chill weak portion through the passage to attenuate cooling power, and wherein the method additionally comprises a step of forming a notch on a neck portion that is a boundary region of the window edge part and the chiller part.

Abstract translation: 目的：提供一种用于制造汽车用差速器的方法，用于防止初始形成裂纹的方法和在应力部分集中以获得均匀的强度和稳定质量的差速器壳体的窗口边缘部分上的机械性能的劣化 差异案件作为一个整体。 构成：在汽车用差速器壳体的铸造方法中，制造汽车用差动箱的方法包括：通过将模具的间隙扩大，将冷却器部分引导到汽车用差速器壳体的窗口部分的步骤 当在模制操作期间将熔融金属浇注到模具中以去除在快速冷却步骤中产生的容易破裂的冷却结构时的顶部和底部; 以及将冷却器部分制造成球形的步骤，其中冷却器部分包括形成在冷却器部分的表面上的冷却部分和冷却部分，其中形成通道，使得冷却速率缓慢地转移到 通过通道冷却弱部分以衰减冷却功率，并且其中该方法还包括在作为窗口边缘部分和冷却器部分的边界区域的颈部上形成切口的步骤。

公开(公告)号：KR100391639B1

公开(公告)日：2003-07-12

申请号：KR1020000082522

申请日：2000-12-27

Applicant: 현대자동차주식회사

Inventor： 김학진

IPC: B62D7/18

Abstract: PURPOSE: Structure for improving the stiffness of a knuckle for a vehicle is provided to prevent the weakening of the surface structure due to the concentration of a stress or processing by rounding the corners of a section and to lengthen the life span by restraining the concentration of a stress. CONSTITUTION: Recesses grooves(30) are formed on both sides of a section of a protrusion(11). Round portions(31) are formed in respective corners. One process round portion is formed on each curved portion of the protrusion. The thickness of the protrusion is maintained uniform. Recessed grooves are formed on both sides of the horizontal section of the protrusion. Round portions are formed in respective corners. According to the recessed grooves and the round portions, the breakage due to the concentration of a stress is avoided. Further, the uniform thickness improves the stiffness.

Abstract translation: 目的：提供用于改善车辆转向节刚度的结构，以防止由于应力集中或通过使部分角部变圆而加工的表面结构减弱，并且通过抑制部分的浓度来延长寿命 压力。 组成：凹槽（30）形成在突起（11）的一部分的两侧。 圆形部分（31）形成在各个拐角处。 一个加工圆形部分形成在突起的每个弯曲部分上。 突起的厚度保持均匀。 凹槽的水平部分的两侧形成凹槽。 圆形部分形成在各个角落中。 根据凹槽和圆形部分，避免了由于应力集中而引起的断裂。 此外，均匀的厚度提高了刚度。

公开(公告)号：KR2019960035313U

公开(公告)日：1996-11-21

申请号：KR2019950006929

申请日：1995-04-08

Applicant: 현대자동차주식회사

Inventor： 김학진

IPC: G01M13/00

公开(公告)号：KR1020130022154A

公开(公告)日：2013-03-06

申请号：KR1020110084947

申请日：2011-08-25

Applicant: 현대자동차주식회사

Inventor： 김학진

IPC: F16H48/20 ,  B60K17/346 ,  F16H59/40 ,  F16H59/58 ,  B60K17/24

CPC classification number: F16H48/20 ,  B60K17/24 ,  B60K17/346 ,  F16H59/40 ,  F16H59/58

Abstract: PURPOSE: A diaphragm structure of a differential limitation device is provided to prevent malfunction due to oil leakage by sealing oil which operates an inner shaft. CONSTITUTION: A differential limitation device(100) is connected to the transmission of a two wheel drive vehicle. An inner shaft(11) is inserted between the differential limitation device and the transmission. A diaphragm(110) is arranged at the inner peripheral surface of a through hole(H). The through hole is formed at the differential limitation device. Oil sealing is implemented through the diaphragm. A spline(112) is formed on the inner peripheral surface of the diaphragm. The spline slip limits the inner shaft.

Abstract translation: 目的：提供差速器限制装置的隔膜结构，以防止由于操作内轴的密封油引起的漏油导致的故障。 构成：差速器限制装置（100）连接到双轮驱动车辆的变速器。 内轴（11）插入差动限制装置和变速箱之间。 在通孔（H）的内周面设有隔膜（110）。 通孔形成在差动限制装置上。 通过隔膜实现油封。 在隔膜的内周面形成花键（112）。 花键滑动限制内轴。