公开(公告)号：KR1020160049836A

公开(公告)日：2016-05-10

申请号：KR1020140147547

申请日：2014-10-28

Applicant: 현대자동차주식회사

Inventor： 최도선 ,  류명석 ,  이종만 ,  김동우

IPC: F02M25/07 ,  F02M35/10

CPC classification number: Y02T10/121

Abstract: 본발명은겨울철또는주변공기의온도가낮은조건등과같이 EGR가스와흡입공기사이의온도차이가크더라도결빙의발생을미연에차단함으로써스로틀밸브의원활한작동을확보할수 있는 EGR믹서에관한것이다. 본발명에의한 EGR믹서는, 흡입공기및 EGR가스가혼합되는혼합통로를가지는믹싱하우징; 및상기믹싱하우징내에설치되어혼합통로를개폐하는스로틀밸브;를포함하고, 상기믹싱하우징은상기혼합통로를포위하는 EGR가스챔버를가지고, EGR쿨러로부터유입되는 EGR가스가상기 EGR가스챔버를통과한후에상기혼합통로에유입되는구조로이루어지는것을특징으로한다.

Abstract translation: 本发明涉及一种EGR混合器，其可以通过防止在冬季或低温条件下入口空气和EGR气体之间的温差大的冰而产生冰块来确保节流阀的平稳运行。 根据本发明的EGR混合器包括混合壳体，其具有用于混合入口空气和ERG气体的混合路径; 以及安装在混合壳体中并打开/关闭混合路径的节流阀。 混合壳体具有围绕混合路径的EGR气室，并且包括从EGR冷却器供应的EGR气体通过EGR气室并流入混合路径的结构。

公开(公告)号：KR1020020055634A

公开(公告)日：2002-07-10

申请号：KR1020000084830

申请日：2000-12-29

Applicant: 현대자동차주식회사

Inventor： 류명석

IPC: F02M35/02

Abstract: PURPOSE: An air cleaner for a commercial vehicle is provided to improve the performance of an engine by minimizing pressure loss when air is supplied to an engine through an air cleaner. CONSTITUTION: An air cleaner(10) for a commercial vehicle includes an arc-shaped inner wall(14) formed between a filter(16) and the outer wall of a cylindrical housing. The inner wall is placed in the portion where the external air flows in through an inlet pipe. The gap between the inner wall of the housing and the outer wall of the housing varies depending on the circumferential position. According to the structure, pressure loss when air is supplied to an engine is minimized. Further, cost of material and weight are reduced according to the reduction of the inner wall.

Abstract translation: 目的：提供一种用于商业车辆的空气净化器，以通过使空气通过空气净化器向发动机供应时将压力损失减到最小，来提高发动机的性能。 构成：用于商业车辆的空气滤清器（10）包括形成在过滤器（16）和圆柱形壳体的外壁之间的弧形内壁（14）。 内壁放置在外部空气通过入口管流入的部分。 壳体的内壁和壳体的外壁之间的间隙根据周向位置而变化。 根据该结构，空气向发动机供给时的压力损失最小化。 此外，根据内壁的减少，材料和重量的成本降低。

公开(公告)号：KR1020160044767A

公开(公告)日：2016-04-26

申请号：KR1020140139648

申请日：2014-10-16

Applicant: 현대자동차주식회사

Inventor： 류명석

IPC: F02B37/00 ,  F02B37/18 ,  F02B39/00 ,  F02M25/07

CPC classification number: Y02T10/121 ,  Y02T10/144

Abstract: 본발명은나선형재순환도관을구비한천연가스엔진의 LP-EGR 시스템및 그제어방법에관한것이다. 본발명의일 실시예에따른나선형재순환도관을구비한천연가스엔진의 LP-EGR 시스템은엔진(1)에서연소되어제 1 배기가스도관(21)을통해배출된배기가스에의해회전하는터빈(11), 상기터빈(11)의중심에연결된회전축(12) 및상기터빈(11)과상기회전축(12)을공유하며외부에서흡입된공기를압축하는컴프레서(13)를포함하는터보차저(10); 상기터빈(11)을통과한배기가스를제 2 배기가스도관(22)에서상기컴프레서(13) 전단의제 1 흡기공기도관(31)으로재순환시키는재순환도관(40);을포함하는천연가스엔진의 LP-EGR 시스템에있어서, 상기재순환도관(40)은상기제 2 배기가스도관(22)에연결된후처리장치(2)의전단에서배기를회수하여, 상기컴프레서(13)의전단에연결된제 1 흡기공기도관(31)에주입하는것을특징으로한다. 본발명에따르면, 제 2 배기가스도관(22)에연결된후처리장치(2)의전단에서배기를회수하여, 상기컴프레서(13)의전단에연결된제 1 흡기공기도관(31)에주입하는상기재순환도관(40)을나선형도관으로형성하고, 상기나선형도관내부에복수의격벽을설치하여, 배기가스재순환장치의쿨러에서흡기측으로공급되는배기가스의온도를낮추도록냉각하는과정에서생성되는응축수를용이하게제거하고, 배기가스에함유되는수분함유량을최소화하여응축수에기인하는부식을사전에방지할수 있다.

Abstract translation: 本发明涉及具有螺旋再循环管的天然气发动机的LP-EGR系统及其控制方法。 根据本发明的一个实施例，具有螺旋再循环管的天然气发动机的LP-EGR系统包括：涡轮增压器（10），包括涡轮机（11），旋转轴（12）和压缩机 13）; 以及使废气再循环的再循环管道（40）。 再循环管道（40）将要喷射到第一进气管道（31）中的废气回收。 根据本发明，本发明可以预先防止由冷凝物引起的腐蚀。

公开(公告)号：KR1020160046408A

公开(公告)日：2016-04-29

申请号：KR1020140141897

申请日：2014-10-20

Applicant: 현대자동차주식회사

Inventor： 류명석

IPC: F02M25/07 ,  F02B39/00 ,  F02B37/18 ,  F02M35/024

CPC classification number: Y02T10/121 ,  Y02T10/144 ,  F02M26/14 ,  F02M26/17 ,  F02M35/02

Abstract: 본발명은천연가스엔진의 EGR 시스템에관한것이다. 본발명에따른천연가스엔진의 EGR 시스템은엔진(1)에서연소되어제 1 배기가스도관(21)을통해배출된배기가스에의해회전하는터빈(11), 상기터빈(11)의중심에연결된회전축(12) 및상기터빈(11)과상기회전축(12)을공유하며외부에서흡입된공기를압축하는컴프레서(13)를포함하는터보차저(10); 상기터빈(11)을통과한배기가스를제 2 배기가스도관(22)에서상기컴프레서(13) 전단의제 1 흡기공기도관(31)으로재순환시키는재순환도관(40);을포함한다. 본발명에따르면, 후처리장치전단에서배기가스를재순환시키고, 터빈의지름이컴프레서의지름보다큰 비대칭형터보차저를포함하는천연가스엔진의 EGR 시스템을이용하여재순환율을증가시키고, 흡기효율을높일수 있다.

Abstract translation: 本发明涉及天然气发动机的EGR系统。 根据本发明，天然气发动机的EGR系统包括：涡轮增压器（10），其包括通过在发动机（1）中燃烧并通过第一排气管（21）排出的废气旋转的涡轮机（11） ，连接到所述涡轮机（11）的中心的旋转轴（12）和与所述涡轮机（11）共享所述旋转轴（12）并压缩从外部吸入的空气的压缩机（13） 以及再循环管道（40），其将通过所述涡轮机（11）的废气从第二废气管道（22）再循环到所述压缩机（13）的前端上的第一进气管道（31）。 根据本发明，天然气发动机的EGR系统从后处理装置的前端再循环废气，并且包括非对称涡轮增压器，其涡轮具有比压缩机直径更大的直径以增加再循环速率， 摄入效率。

公开(公告)号：KR1020090064227A

公开(公告)日：2009-06-18

申请号：KR1020070131808

申请日：2007-12-15

Applicant: 현대자동차주식회사

Inventor： 류명석

IPC: F02B23/06 ,  F02F3/26

CPC classification number: Y02T10/125 ,  F02B23/06 ,  F02F3/26

Abstract: A combustion chamber structure of an engine for a large vehicle is provided to discharge exhaust gas at the level which enables to satisfy the exhaust gas regulation without processing the exhaust gas discharged from an engine by a separate post-processing device, and to secure the fuel consumption at the appropriate level. A combustion chamber structure of an engine for a large vehicle is formed in the shape of a bowl on the upper part of a piston(1), wherein the cross-sectional shape of a combustion chamber(3) is formed in the retreated structure by forming at least two or more bends(5) from the upper part to the lower part on the edge, and the edge of the cross-sectional shape of the combustion chamber includes a first projection(7) inclined from the upper part to the lower part and projected convexly to the inside of the combustion chamber, and a second projection(9) extended downward to the first projection and projected toward the inside of the combustion chamber. The cross-sectional shape of the combustion chamber is formed by forming the central part(11) to be convexly curved upwardly and connecting the central part and the second projection with a smooth arc-shaped depression(13).

Abstract translation: 提供一种用于大型车辆的发动机的燃烧室结构，以能够满足废气调节的水平排出废气，而不用单独的后处理装置处理从发动机排出的废气，并且确保燃料 消费在适当的水平。 用于大型车辆的发动机的燃烧室结构在活塞（1）的上部形成为碗状，其中燃烧室（3）的横截面形状通过 从边缘的上部至下部形成至少两个以上的弯曲部（5），燃烧室的截面形状的边缘包括从上部向下方倾斜的第一突起（7） 并且凸出地突出到燃烧室的内部，以及向下延伸到第一突起并朝向燃烧室的内部突出的第二突起（9）。 燃烧室的横截面形状通过形成中心部分（11）而形成为向上凸起弯曲并且以平滑的弧形凹陷（13）连接中心部分和第二突出部。

公开(公告)号：KR1020080055344A

公开(公告)日：2008-06-19

申请号：KR1020060128563

申请日：2006-12-15

Applicant: 현대자동차주식회사

Inventor： 류명석

IPC: F02D41/06 ,  F02D41/04

CPC classification number: F02D41/062 ,  F02D41/008 ,  F02D41/08 ,  Y02T10/47 ,  Y02T10/48

Abstract: A starting control method for reducing exhaust is provided to heat the internal temperature of a cylinder with a certain degree and to ensure a normal fuel injection into each cylinder such that incompletely burned fuel is prevented from being generated. A starting control method for reducing exhaust comprises the step of enabling system at an ECU and setting to allow output of encoder to be read(S-1), and a skip cycle(SC). The skip cycle allows the fuel injection into each cylinder to be performed in a skip scheme and previously heats the internal temperature of the cylinder using compression heat caused by the operation of a piston. The skip cycle includes the steps of primarily skipping to stop the operation of a fuel injection valve installed on a first cylinder(S-2), primarily injecting fuel into a third cylinder(S-3), secondarily skipping to stop the operation of a fuel injection valve installed on a fourth cylinder(S-4), secondarily injecting fuel into the second cylinder(S-5).

Abstract translation: 提供一种用于减少排气的起动控制方法，以一定程度加热气缸的内部温度，并确保正常的燃料喷射到每个气缸中，从而防止产生不完全燃烧的燃料。 用于减少排气的起动控制方法包括以下步骤：在ECU处启用系统并设置允许读取编码器的输出（S-1）和跳过周期（SC）。 跳跃循环允许以跳过方式执行到每个气缸的燃料喷射，并且使用由活塞的操作引起的压缩热预先加热气缸的内部温度。 跳跃循环包括主要跳过以停止安装在第一气缸（S-2）上的燃料喷射阀的操作的步骤，主要将燃料喷射到第三气缸（S-3）中，二次跳过以停止操作 燃料喷射阀安装在第四气缸（S-4）上，二次将燃料喷射到第二气缸（S-5）中。

公开(公告)号：KR1020020045127A

公开(公告)日：2002-06-19

申请号：KR1020000074439

申请日：2000-12-08

Applicant: 현대자동차주식회사

Inventor： 류명석

IPC: F02F3/28

CPC classification number: F02F3/26 ,  F02B23/0624 ,  F02B2275/48

Abstract: PURPOSE: A piston for a small high-speed diesel engine is provided to improve combustion efficiency of a diesel engine and to reduce the amount of smoke due to combustion by uniformly mixing air with fuel via local small swirls. CONSTITUTION: An injector(4) is formed at the upper end of a combustion chamber(3). A piston(20) moves upward and downward in the combustion chamber and compresses the injected fuel. A bowl(10) for uniformly mixing the fuel injected from the injector with the air sucked into the combustion chamber is formed on the upper face of the piston. The diameter of the bowl is 40-42mm. A first swirl recess(11) for cross swirling of the fuel and air is formed on the sidewall of the bowl. A second swirl recess(12) for vertical swirling of the fuel and air is formed on the bottom surface of the bowl. According to swirls, the fuel is uniformly mixed with air. Therefore, combustion efficiency is improved.

Abstract translation: 目的：提供一种用于小型高速柴油发动机的活塞，以提高柴油发动机的燃烧效率，并通过局部小漩涡将空气与燃料均匀混合，减少燃烧引起的烟雾量。 构成：喷射器（4）形成在燃烧室（3）的上端。 活塞（20）在燃烧室中上下移动并压缩注入的燃料。 在活塞的上表面上形成用于将从喷射器喷射的燃料与吸入燃烧室的空气均匀混合的碗（10）。 碗的直径为40-42mm。 在碗的侧壁上形成用于燃料和空气交叉旋转的第一旋转凹部（11）。 用于燃料和空气的垂直旋转的第二旋转凹部（12）形成在碗的底表面上。 根据漩涡，燃料与空气均匀混合。 因此，燃烧效率提高。