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    • 1. 发明授权
    • 내연기관의 잔류가스연료 배출시스템
    • KR101841453B1
    • 2018-05-04
    • KR1020160054123
    • 2016-05-02
    • 한국기계연구원
    • 최영김용래이선엽박철웅김창기
    • F02B75/02F02B25/02F02B29/00F02M35/10F02M21/02
    • Y02T10/146Y02T10/32
    • 본발명은내연기관의잔류가스연료배출시스템에대한것으로서, 내연기관의연소실및 연소실인접부근흡배기계의잔류가스연료및 수증기를배출하기위해흡배기계의통로를연통하는잔류가스연료배출용바이패스라인을형성함으로써, 잔류가스에의한재료취화문제해결, 실링러버경화문제해결등의효과를발휘하기위한시스템에대한것이다.본발명의일 실시예에따르면, 4행정내연기관의연소실및 흡배기계의잔류가스(G)를배출하기위한잔류가스배출시스템(10)에있어서, 연료가분사되는연료분사구(103)가설치된실린더(101)와상기실린더(101) 내에왕복동하는피스톤(102)과이를둘러싸는엔진연소실(110), 상기연소실(110) 상부의일측에연결되는흡기통로(111)와상기흡기통로(111)와실질적으로마주보며상기연소실(110) 상부의타측에연결되는배기통로(112), 상기연소실(110)을관통하면서상기흡기통로(111)의일측에서상기배기통로(112)의일측을가로질러상호연통하도록형성되는바이패스유로(120), 상기바이패스유로(120)를개폐하는바이패스유로밸브(121), 상기연소실(110)에인접설치되어가스량을검출하는가스센서(200) 및검출된가스량에따라잔류가스연료를배출하기위해상기흡기통로(111) 내의상기바이패스유로(120) 전단에설치되어흡기방향을대향하도록배치되는압축공기인젝터(300)를포함함으로써상기바이패스유로(120)를통해상기연소실(110)과흡배기계내 잔류가스연료를배기통로(112) 측으로배출하도록하는것을특징으로하는내연기관의잔류가스연료배출시스템을제공한다.
    • 2. 发明公开
    • EGR 응답성 개선 장치
    • EGR响应改善装置
    • KR1020170062978A
    • 2017-06-08
    • KR1020150168840
    • 2015-11-30
    • 한국기계연구원
    • 박철웅조규백김용래
    • F02M25/07F02D41/00
    • EGR 응답성개선장치가개시된다. EGR 응답성개선장치는, 흡기라인과배기라인의사이에연결되어, EGR 가스가이동되는 EGR 라인과, EGR 라인을개폐하도록설치되는 EGR 밸브를포함하는 EGR 모듈과, EGR 라인에설치되어 EGR 가스를유입시키는부압이발생되는부압발생부와, EGR 라인이흡기라인에연결되는연결부를사이에두고일단은연결부의전단에서흡기라인에연결되고타단은연결부의후단에서흡기라인에연결되며, 개폐밸브에의해선택적으로개폐되는바이패스라인과, 차량엔진의램프업(ramp up) 구간에서는 EGR 밸브를개방하고개폐밸브를폐쇄하고부압발생부를작동제어하며, 차량의램프다운(ramp down) 구간에서는상기 EGR 밸브를폐쇄하고상기개폐밸브를개방제어하는제어부를포함한다.
    • 公开了一种EGR响应性改善装置。 EGR响应性改善装置包括:EGR模块,其连接在进气管线和排气管线之间,并且包括用于移动EGR气体的EGR管线和用于打开和关闭EGR管线的EGR阀; EGR管的一端在连接部分的前端连接到进气管线,而另一端连接到在连接部分的后端处的进气管线, EGR阀打开,打开/关闭阀关闭,并且负压产生单元被控制为在车辆发动机的上升阶段中运行,在车辆的下降阶段期间, 以及用于关闭EGR阀并打开 - 控制开/关阀的控制单元。
    • 3. 发明公开
    • 차량 엔진의 출력 향상 제어 방법
    • 控制发动机发电的方法
    • KR1020160004730A
    • 2016-01-13
    • KR1020140083600
    • 2014-07-04
    • 한국기계연구원
    • 박철웅김창기최영이선엽
    • F02D19/02F02D33/00F02D41/30
    • F02D19/021F02D19/026F02D41/30Y02T10/40
    • 차량엔진의출력향상제어방법이개시된다. 차량엔진의출력향상제어방법은, (a) 차량의배기가스의설정된온도범위에서배기가스의발열량을도출하고, 도출된발열량값을엔진 ECU에입력하는단계와, (b) 차량에설치된배기가스온도센서를이용하여엔진에서배출되는배기가스의온도를측정하는단계와, (c) 상기 (b) 단계에서측정된상기배기가스의온도가설정된기준온도이상으로확인되면엔진 ECU의제어에의해엔진에공급되는공급연료량을설정된비율로감소시키도록제어하는단계와, (d) 상기 (b) 단계에서측정된배기가스의온도가설정된기준온도미만으로확인되면, 엔진 ECU의제어에의해엔진에공급되는공급연료량을설정된비율로증가시키도록제어하는단계를포함한다.
    • 公开了一种控制和改善车辆发动机的输出的方法。 该方法包括:在排气的设定温度范围内导出车辆排气的热值的步骤(a),将得到的热值输入发动机ECU; 通过使用安装在车辆中的排气温度传感器来测量从发动机排出的废气的温度的步骤(b) (c)在发动机ECU的控制下控制供给到发动机的燃料的供给量,以在步骤(b)测定的排气温度以减小设定比例的供给量, 不低于设定参考温度; 以及步骤(d),其在发动机ECU的控制下控制供给到发动机的燃料的供给量,以在步骤(b)测定的废气温度时以设定的比例增加供给量, ,小于设定参考温度。
    • 5. 发明公开
    • 코로나 방전 점화를 위한 저전류 유지 회로 구조 및 코로나 방전 점화장치
    • 用于CORONA放电点火的低电流电路和具有相同功能的CORONA放电点火系统
    • KR1020140044629A
    • 2014-04-15
    • KR1020120110844
    • 2012-10-05
    • 한국기계연구원
    • 박철웅박정서이용규김용래김태영오승묵강건용
    • H01T19/00F02P23/00
    • Disclosed is a low current maintaining circuit structure for corona discharge ignition, capable of obtaining the generation of streamer corona by including a multistate resistance in the front end of an electrode which power is applied in a corona discharge ignition device and blocking the rise of a current and of effectively discharging the ignition device. The low current maintaining circuit structure for corona discharge ignition in accordance with an embodiment of the present invention induces the generation of the streamer corona and prevents an arc by maintaining a low current flow in an electronic circuit which applies a high voltage to both ends of the electrode of the corona discharge ignition device. A plurality of the resistances connected to the front end of the electrode in series is connected in multiple stages.
    • 公开了一种用于电晕放电点火的低电流维持电路结构,其能够通过在电极的前端中包括多电阻来获得流光电晕的产生,该电极在电晕放电点火装置中施加电力并阻止电流的上升 并有效地排放点火装置。 根据本发明的实施例的用于电晕放电点火的低电流维持电路结构引起了流光电晕的产生,并且通过在电子电路中保持低电流来防止电弧,该电子电路向 电晕放电点火装置的电极。 串联连接到电极的前端的多个电阻以多级连接。
    • 6. 发明授权
    • 가스 엔진의 유해 배출가스 저감장치 및 방법
    • 用于气体发动机减少有害排气的装置和方法
    • KR101383858B1
    • 2014-04-10
    • KR1020130032233
    • 2013-03-26
    • 한국기계연구원
    • 박철웅김창기최영
    • F02M21/02F02M25/10F02D19/00
    • F02M21/0215F02D19/021F02M21/0242
    • Disclosed are an apparatus and a method for reducing harmful exhaust gas from a gas engine. The apparatus for reducing harmful exhaust gas from a gas engine includes a hydrogen storage portion that is connected to fuel piping where a hydrogen-natural gas fuel is transported; a recovery line that connects the fuel piping to the hydrogen storage portion so that a part of the hydrogen-natural gas fuel is moved toward the hydrogen storage portion; a membrane that is disposed in the recovery line so that the hydrogen contained in the hydrogen-natural gas fuel is separated and supplied to the hydrogen storage portion; a discharge line that connects the hydrogen storage portion to the fuel piping so that the hydrogen stored in hydrogen storage portion is discharged; and a fuel supply valve that is disposed to connect the discharge line to the fuel piping and supply an engine with the hydrogen stored in the hydrogen storage portion in a cold start condition.
    • 公开了一种减少来自燃气发动机的有害废气的装置和方法。 用于减少来自燃气发动机的有害废气的装置包括:氢存储部,其与输送氢天然气燃料的燃料配管连接; 将所述燃料配管与所述氢存储部连结,使得所述氢天然气燃料的一部分朝向所述储氢部移动的回收线; 设置在所述回收管线中的膜,使得氢天然气燃料中所含的氢被分离并供给到所述氢存储部; 排出管线,其将所述储氢部与所述燃料配管连接,使得储存在所述储氢部的氢排出; 以及燃料供给阀,其设置成将冷却出口管线连接到燃料管路,并且在冷启动条件下向发动机供给储存在氢存储部分中的氢。
    • 9. 发明授权
    • 수소와 천연 가스 혼합연료의 수소 함유량 측정방법
    • 氢气压缩天然气燃料中氢的含量测定方法
    • KR101284281B1
    • 2013-07-08
    • KR1020110146475
    • 2011-12-29
    • 한국기계연구원
    • 김창기최영박철웅김용래이선엽
    • F02D19/08F02M21/02G01N33/22F02D45/00
    • F02D19/08F02M21/0206F02M21/0215F02M25/10G01N33/22Y02T10/32Y02T10/36
    • PURPOSE: A method for measuring the hydrogen content of hydrogen-compressed natural gas fuel is provided to increase fuel efficiency and to prevent the malfunction of an engine. CONSTITUTION: A method for measuring the hydrogen content of hydrogen-compressed natural gas fuel is as follows: a step of injecting the hydrogen-compressed natural gas fuel to a first engine (S10); a step of maintaining the ignition time, the idle RPM , and the air fuel ratio of the first engine at a predetermined value when the first engine is in an idle state (S20); a step of measuring one or more of the operation time of an injector, the pressure of draw-in air, and the temperature of exhaust gas and storing the measured data according to the content of the hydrogen (S30); a step of making a reference value table (S50); a step of storing the reference value table to an electronic control unit (ECU) of a vehicle with a second engine having same specification as the first engine (S60); a step of measuring one or more of the operation time of an injector, the pressure of draw-in air, and the temperature of exhaust gas (S70); and a step of calculating the hydrogen content of the hydrogen-compressed natural gas fuel injected in the second engine by comparing the measured date and the reference value table stored in the ECU (S80). [Reference numerals] (S10) Inject the hydrogen-compressed natural gas fuel to a first engine; (S20) Maintain the ignition time, the idle RPM, and the air fuel ratio of the first engine at a predetermined value when the first engine is in an idle state; (S30) Measure one or more of the operation time of an injector, the pressure of draw-in air, and the temperature of exhaust gas and storing the measured data according to the content of the hydrogen; (S40) Change the hydrogen content in the S10 step and repeat the step 20 to step30; (S50) Make a reference value table; (S60) Store the reference value table to an electronic control unit (ECU) of a vehicle with a second engine having same specification as the first engine; (S70) Measure one or more of the operation time of an injector, the pressure of draw-in air, and the temperature of exhaust gas; (S80) Calculate the hydrogen content of the hydrogen-compressed natural gas fuel injected in the second engine by comparing the measured date and the reference value table stored in the ECU
    • 目的:提供一种测量氢压缩天然气燃料氢含量的方法,以提高燃油效率并防止发动机故障。 构成:测量氢压缩天然气燃料的氢含量的方法如下:将氢压缩天然气燃料喷射到第一发动机的步骤(S10); 当所述第一发动机处于空闲状态时,将所述第一发动机的点火时间,所述怠速RPM和所述空燃比维持在预定值的步骤(S20); 测量喷射器的操作时间,吸入空气压力和排气温度中的一个或多个的步骤,并根据氢气的含量存储测量数据(S30); 作出参考值表的步骤(S50); 将参考值表存储到具有与第一发动机相同规格的第二发动机的车辆的电子控制单元(S60)的步骤(S60); 测量喷射器的操作时间,吸入空气压力和废气温度中的一个或多个的步骤(S70); 以及通过比较存储在ECU中的测量日期和参考值表计算喷射在第二发动机中的氢压缩天然气燃料的氢含量的步骤(S80)。 (附图标记)(S10)向第一发动机注入氢压缩天然气燃料; (S20)当所述第一发动机处于空转状态时,将所述第一发动机的点火时间,所述怠速转速和所述空燃比保持在预定值; (S30)测量喷射器的操作时间,吸入空气压力和排气温度中的一个或多个,并根据氢气的含量存储测量数据; (S40)在S10步骤中改变氢含量,重复步骤20〜步骤30; (S50)作参考值表; (S60)将参考值表存储到具有与第一发动机相同规格的第二发动机的车辆的电子控制单元(ECU) (S70)测量喷射器的操作时间,吸入空气的压力和废气的温度中的一个或多个; (S80)通过比较测量日期和存储在ECU中的参考值表来计算喷射在第二发动机中的氢压缩天然气燃料的氢含量