公开(公告)号：KR1020110001711A

公开(公告)日：2011-01-06

申请号：KR1020090059372

申请日：2009-06-30

Applicant: 현대자동차주식회사 ,  기아자동차주식회사

Inventor： 김영기 ,  김석준 ,  박훈모

IPC: C22C21/02 ,  C22F1/04 ,  B22D11/07

CPC classification number: B22D11/003 ,  B21J5/00 ,  B22D11/108 ,  C22C21/02 ,  B22D11/07 ,  C22F1/04

Abstract: PURPOSE: An aluminum alloy for a vehicle cylinder liner and a manufacturing method thereof are provided to improve the oil storage performance and abrasion resistance of a cylinder liner since silicon is minutely spread on the base material. CONSTITUTION: An aluminum alloy for a vehicle cylinder liner comprises silicon 16~22 weight%, copper 2~6 weight%, magnesium 0.2~2.0 weight%, iron maximum 1 weight%, manganese, zinc maximum 0.1 weight%, and nickel maximum 0.1 weight%. A manufacturing method of a vehicle cylinder liner comprises following steps. The temperature of melted alloy liquid(100) is maintained at 700~800°C in an insulation furnace(110). Phosphorus 50~500ppm is put into the melted alloy liquid, and then the melted alloy liquid is stabilized for 30-60 minutes. A round rod-shaped liner is made through a hot forging process.

Abstract translation: 目的：提供一种用于车辆气缸套的铝合金及其制造方法，以提高气缸套的储油性能和耐磨性，因为硅在基材上微小地铺展。 构成：用于汽车气缸套的铝合金包括硅16〜22重量％，铜2〜6重量％，镁0.2〜2.0重量％，铁1重量％，锰，锌最大0.1重量％，镍最大0.1 重量％。 车辆气缸套的制造方法包括以下步骤。 熔融合金液体（100）的温度在绝缘炉（110）中保持在700〜800℃。 将磷50〜500ppm放入熔融合金液中，熔融合金液稳定30-60分钟。 通过热锻造工艺制成圆棒形衬垫。

公开(公告)号：KR1020090062333A

公开(公告)日：2009-06-17

申请号：KR1020070129518

申请日：2007-12-13

Applicant: 현대자동차주식회사 ,  기아자동차주식회사

Inventor： 김석준

IPC: B22D18/04

Abstract: A manufacturing method of a cylinder block for diesel engine is provided to improve physical property and rigidity of the journal portion of the cylinder block and to prevent defects due to heat concentration by fitting an insert to both sides of the crank journal of a sand mold. A manufacturing method of a cylinder block(14) for diesel engine comprises a step of making a sand mold for cylinder block, a step of fitting an insert to both sides of a journal portion of the sand mold for improvement of physical properties of a crank journal part, a step of setting a plurality of gates(12) for pouring molten metal around the head face of the mold, a step of injecting the molten metal in the mold at low pressure, and a step for rotating 180 degrees the mold to cure the molten metal. The gates are connected through runners(13) and serve as a riser.

Abstract translation: 提供一种用于柴油发动机的气缸体的制造方法，以改善气缸体的轴颈部分的物理性能和刚度，并且通过将砂轮嵌入砂模的曲柄轴颈的两侧来防止由于热集中而引起的缺陷。 用于柴油发动机的气缸体（14）的制造方法包括制造用于气缸体的砂模的步骤，将插入件嵌入砂模的轴颈部分的两侧以改善曲柄的物理性质的步骤 设置用于将熔融金属倾倒在模具的头部表面上的多个浇口（12）的步骤，将模具中的熔融金属以低压注入的步骤，以及将模具旋转180度的步骤 固化熔融金属。 门通过跑步者（13）连接，并作为提升者。

公开(公告)号：KR100857658B1

公开(公告)日：2008-09-08

申请号：KR1020070097265

申请日：2007-09-27

Applicant: 현대자동차주식회사

Inventor： 김석준

IPC: B60W20/00

Abstract: A torque decision method of a hybrid vehicle for improving fuel efficiency is provided to execute load leveling exactly by calculating efficiency in performing load leveling, in consideration of efficiency of a path where energy is stored in a battery and used again. A torque decision method of a hybrid vehicle having an engine and a motor for improving fuel efficiency comprises the steps of: calculating torque that a driver demands, from the present vehicle speed and an accelerator pedal value detected and input from a vehicle speed sensor and a pedal sensor in a controller of the vehicle; calculating output efficiency if load leveling is not executed, while outputting engine torque according to the demand torque without charging a battery and output efficiency if load leveling for using the rest engine torque except for the demanded torque, for charging the battery by the motor is executed; and comparing two efficiency values and determining engine torque as a torque value set as an optimal driving point and motor torque as a difference value between engine torque of an optimal driving point and the demanded torque of the driver, if output efficiency in case that load leveling is not executed is lower than output efficiency in case that load leveling is executed.

Abstract translation: 考虑到能量存储在电池中的路径的效率并再次使用，提供了用于提高燃料效率的混合动力车辆的扭矩决定方法，以通过计算执行负载均衡的效率来精确地执行负载均衡。 具有用于提高燃料效率的发动机和电动机的混合动力车辆的转矩决定方法包括以下步骤：根据当前车速和从车速传感器检测和输入的加速踏板值计算驾驶员需要的转矩， 踏板传感器在车辆的控制器中; 如果不执行负载均衡，则计算输出效率，同时在不对电池充电的情况下输出发动机扭矩而不对电池进行充电和输出效率，如果执行用于通过电动机为电池充电而使用除了所需转矩之外的其余发动机转矩的负载调平 ; 比较两个效率值，并将发动机扭矩确定为作为最佳驱动点和电动机转矩的转矩值作为最佳驱动点的发动机扭矩与驾驶员的要求转矩之间的差值，如果负载平衡的情况下的输出效率 在执行负载均衡的情况下，不执行的输出效率低于输出效率。

公开(公告)号：KR100836309B1

公开(公告)日：2008-06-09

申请号：KR1020070049671

申请日：2007-05-22

Applicant: 현대자동차주식회사

Inventor： 김영기 ,  김석준 ,  박훈모

IPC: F02F1/08 ,  F02F1/00 ,  B22D19/08

Abstract: A method of manufacturing a cylinder-liner of a vehicle is provided to reduce the product cost by simplifying the manufacturing process. A method of manufacturing a cylinder-liner of a vehicle comprises the step of making a billet by performing a continuous casting on molten metal containing aluminum as a main component. The molten metal includes silicon of 14 to 25 weight percent, copper of 2 to 7 weight percent and magnesium 0.2 to 2.0 weight percent. The billet is hot-forged in a predetermined range of temperature to form an aluminum liner. The aluminum liner is heat-treated in a predetermined temperature for a predetermined time.

Abstract translation: 提供一种制造车辆的气缸衬垫的方法，以通过简化制造过程来降低产品成本。 制造车辆的气缸衬套的方法包括通过对含有铝作为主要成分的熔融金属进行连续铸造来制造坯料的步骤。 熔融金属包括14至25重量％的硅，2至7重量％的铜和0.2至2.0重量％的镁。 将坯料在预定的温度范围内热锻，以形成铝衬里。 将铝衬垫在预定温度下热处理预定时间。

公开(公告)号：KR100482521B1

公开(公告)日：2005-04-14

申请号：KR1020020034508

申请日：2002-06-20

Applicant: 현대자동차주식회사

Inventor： 김석준

IPC: B22D45/00

Abstract: 본 발명은 중력주조물 압탕부 차폐 장치와 그 제어방법에 관한 것으로서, 더욱 상세하게는 중력주조시 용탕이 금형 및 압탕 몰드 내부에 주입된 후 응고될 때 제품의 압탕부를 보온시킴과 동시에 적정량의 열을 가하여 압탕부의 급격한 응고를 방지시켜줌으로써, 압탕부의 급격한 응고시 발생되는 제품 내 결함을 최소화할 수 있도록 하고, 압탕의 효과 상승 및 고품질의 제품 주조가 가능하도록 하며, 압탕부의 양 축소를 가능하게 하여 주조 후 압탕부 처리비용도 줄일 수 있도록 하는 중력주조물 압탕부 차폐 장치와 그 제어방법에 관한 것이다.

公开(公告)号：KR1020040015572A

公开(公告)日：2004-02-19

申请号：KR1020020047855

申请日：2002-08-13

Applicant: 현대자동차주식회사

Inventor： 김석준

IPC: F02P3/045

Abstract: PURPOSE: An ignition system and a method for driving the same are provided to prevent a waste of energy and degradation of performance of ignition unit. CONSTITUTION: An ignition system comprises an ignition unit(200) having an ignition coil driver, and a primary coil and a secondary coil; and an electronic control unit(150) for sensing the value of the current flowing through the ignition unit, and outputting a control signal to the ignition coil driver in accordance with the sensed value. The engine control unit increases the dwell time if the current flowing through the ignition unit is lower than the lower limit of ignition, and decreases the dwell time if the current is higher than the upper limit of ignition.

Abstract translation: 目的：提供一种点火系统及其驱动方法，以防止能量的浪费和点火装置的性能下降。 构成：点火系统包括具有点火线圈驱动器，初级线圈和次级线圈的点火单元（200） 以及用于感测流过点火单元的电流值的电子控制单元（150），并且根据感测值向点火线圈驱动器输出控制信号。 如果流过点火单元的电流低于点火下限，则发动机控制单元增加停留时间，如果电流高于点火上限，则停止时间。

公开(公告)号：KR100398237B1

公开(公告)日：2003-09-19

申请号：KR1020010022550

申请日：2001-04-26

Applicant: 현대자동차주식회사

Inventor： 김석준

IPC: F02D41/04

Abstract: PURPOSE: A method for controlling the air-fuel ratio of an engine is provided to maximize the purifying efficiency of a catalytic regardless of the operating condition of the engine by controlling the period of air-fuel ratio vibration by a P-gain. CONSTITUTION: A method for controlling the air-fuel ratio of an engine comprises the step of: initializing all of used variables if power supply is applied to a vehicle(S100); receiving a signal from an oxygen sensor if the engine is started(S110); filtering the signal(S120); measuring the vibration of the air-fuel ratio by using the filtered signal(S130); and controlling the period of air-fuel ratio by the measured vibration of the air-fuel ratio(S140).

Abstract translation: 目的：提供一种用于控制发动机的空燃比的方法，以通过通过P增益控制空燃比振动的周期而不考虑发动机的运行状态而使催化剂的净化效率最大化。 构成：一种用于控制发动机的空燃比的方法包括以下步骤：如果向车辆施加电源，则初始化所有使用的变量（S100）; 如果发动机启动，则接收来自氧气传感器的信号（S110）; 过滤信号（S120）; 通过使用滤波后的信号来测量空燃比的振动（S130）; 并且通过所测量的空燃比的振动来控制空燃比的时段（S140）。

公开(公告)号：KR1020020058788A

公开(公告)日：2002-07-12

申请号：KR1020000086918

申请日：2000-12-30

Applicant: 현대자동차주식회사

Inventor： 김석준

IPC: F02P5/10

CPC classification number: Y02T10/46

Abstract: PURPOSE: A method for controlling ignition timing is provided to improve a response to sudden acceleration, and to stabilize an engine by optimizing recovery timing to basic ignition timing when releasing sudden acceleration. CONSTITUTION: A method for controlling ignition timing comprises the steps of: determining whether the state of a vehicle is the condition of sudden acceleration while the start of an engine keeps on; calculating an acceleration fuel amount related to an introduced air amount and an offset air amount if the state of the vehicle is the condition of sudden acceleration; and applying the fuel amount related to the offset air amount to the acceleration fuel amount, and deciding ignition timing according to an engine rpm.

Abstract translation: 目的：提供一种控制点火正时的方法，以提高对突然加速的响应，并通过在释放突然加速时优化基本点火正时的恢复时间来稳定发动机。 构成：一种控制点火正时的方法包括以下步骤：确定车辆的状态是否是在发动机起动保持打开时突然加速的状态; 如果车辆的状态是突然加速的条件，则计算与引入的空气量相关的加速度燃料量和偏移空气量; 以及将与偏移空气量相关的燃料量施加到加速度燃料量，并根据发动机转速来确定点火正时。

公开(公告)号：KR1020020055054A

公开(公告)日：2002-07-08

申请号：KR1020000084407

申请日：2000-12-28

Applicant: 현대자동차주식회사

Inventor： 김석준

IPC: B22D23/00

CPC classification number: B22C9/105 ,  B22D15/02 ,  B22D21/007

Abstract: PURPOSE: A core manufacturing method is provided which not only uses an existing core material as it is, but also prevents infiltration of molten metal into the core due to high pressure environment, and a casting method of an engine piston containing oil gallery is provided which comprises the core manufacturing method. CONSTITUTION: The manufacturing method of a high-pressure casting core comprises the process of forming a metallic thin film layer(3) on the surface of the core(2) by taking out and cooling the molten metal coated core right after dipping the core into molten metal, wherein the molten metal is the same material as a metal material such as aluminum to be high pressure cast in a core installed mold, wherein the core is a salt core(2). The casting method of an engine piston containing oil gallery comprises the manufacturing method of the high-pressure casting core.

Abstract translation: 目的：提供一种核心制造方法，其不仅使用现有的芯材，而且还防止熔融金属由于高压环境而渗入到芯中，并且提供了包含油画廊的发动机活塞的铸造方法， 包括核心制造方法。 构成：高压铸造芯的制造方法包括通过在将芯浸入芯中之后立即取出并冷却熔融金属涂覆的芯，在芯（2）的表面上形成金属薄膜层（3）的工艺 熔融金属，其中所述熔融金属与在芯安装模具中高压铸造的金属材料（例如铝）相同的材料，其中所述芯是盐芯（2）。 含有油田的发动机活塞的铸造方法包括高压铸造铁心的制造方法。

公开(公告)号：KR1020020042361A

公开(公告)日：2002-06-05

申请号：KR1020000072186

申请日：2000-11-30

Applicant: 현대자동차주식회사

Inventor： 김석준

IPC: F02D41/04

Abstract: PURPOSE: A learning control compensating method for the air fuel ratio of a proportional integral control system is provided to compensate the shift of the air fuel ratio by learning control of integral gain, and to manage mapping data conveniently by reducing the number of mapping variables. CONSTITUTION: The air fuel ratio control condition is activated in driving an engine(S10), and the state of fuel is detected with analyzing a signal from an upstream oxygen sensor(S12). The fuel supply amount is decreased with the proportional integral gain method in case of fuel to be rich(S14), and the fuel supply amount is increased by an injector in case of fuel to be lean(S16). The fuel state is detected with analyzing a signal from a downstream oxygen sensor(S18). The integral gain for rich fuel is reduced, and the integral gain for lean fuel is increased in detecting rich fuel(S20). The integral gain is compared with the minimum value and the maximum value(S22). The number of mapping variables is reduced, and the mapping data is managed conveniently with compensating the air fuel ratio shift by the integral gain learning control.

Abstract translation: 目的：提供比例积分控制系统的空燃比的学习控制补偿方法，通过学习积分增益的控制来补偿空燃比的偏移，并通过减少映射变量的数量方便地管理地图数据。 构成：在驱动发动机时启动空燃比控制条件（S10），并且通过分析来自上游氧传感器的信号来检测燃料的状态（S12）。 在燃料浓度大的情况下，燃料供给量随着比例积分增益法降低（S14），并且在燃油变稀的情况下燃油供给量增加（S16）。 通过分析来自下游氧传感器的信号来检测燃料状态（S18）。 富燃料的积分增益降低，​​稀燃料的积分增益在检测富燃料时增加（S20）。 将积分增益与最小值和最大值进行比较（S22）。 减少映射变量的数量，并通过积分增益学习控制补偿空燃比偏移方便地管理映射数据。