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公开(公告)号：KR1020120117458A
公开(公告)日：2012-10-24
申请号：KR1020110035222
申请日：2011-04-15
Applicant: 현대자동차주식회사
Inventor： 구유선
Abstract: PURPOSE: A membrane-electrode assembly is provided to improve cold starting ability by reducing a volume of a gas diffusion layer and to increase flow surface area of reaction gas by obtaining flow channels of a separator. CONSTITUTION: A membrane-electrode assembly(20) arranged between separators in which channels(CH) are formed, and gas-diffusion layers(23) formed on both sides of a membrane-electrode layer(21). On the gas diffusion layer, a membrane-electrode layer, which corresponds with the channel, is exposed. The gas diffusion layer comprises an exposed part(41) exposing the membrane-electrode layer and corresponding with the channels and an adhesion part(43) attached to a land part(LD) of the external side of the channel.
Abstract translation: 目的：提供膜 - 电极组件，通过减小气体扩散层的体积来提高冷启动能力，并通过获得分离器的流动通道来增加反应气体的流动表面面积。 构成：布置在其中形成有通道（CH）的隔板之间的膜 - 电极组件（20）和形成在膜 - 电极层（21）两侧的气体扩散层（23）。 在气体扩散层上露出与通道对应的膜 - 电极层。 气体扩散层包括暴露出膜电极层并对应于通道的暴露部分（41）和附着到通道外侧的焊盘部分（LD）的粘附部分（43）。
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公开(公告)号：KR1020120115723A
公开(公告)日：2012-10-19
申请号：KR1020110033200
申请日：2011-04-11
Applicant: 현대자동차주식회사
Inventor： 구유선
Abstract: PURPOSE: A fuel cell stack is provided to improve cooling performance by preventing inflow of air bubbles which are generated in a coolant inlet manifold through a coolant channel. CONSTITUTION: A fuel cell stack(100) comprises: a membrane-electrode assembly(30) comprising an electrolyte membrane, a fuel electrode and an air electrode; a separators(40) arranged between both sides of the membrane-electrode assembly. On one side of the separator coolant channels are formed. On both side ends of the separator a coolant inlet manifold(48) and a coolant outlet manifold(49) are formed. The coolant inlet manifold is connected to the coolant channel through a connection channel, and comprises a first space part opposite to the connection channel, and a second space part trapping air bubbles.
Abstract translation: 目的：提供燃料电池堆，以通过防止在冷却剂入口歧管中通过冷却剂通道产生的气泡的流入来改善冷却性能。 构成：燃料电池堆（100）包括：膜 - 电极组件（30），包括电解质膜，燃料电极和空气电极; 布置在膜 - 电极组件的两侧之间的分离器（40）。 在分离器的一侧形成冷却剂通道。 在分离器的两个侧端形成冷却剂入口歧管（48）和冷却剂出口歧管（49）。 冷却剂入口歧管通过连接通道连接到冷却剂通道，并且包括与连接通道相对的第一空间部分和捕获气泡的第二空间部分。
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公开(公告)号：KR1020120042563A
公开(公告)日：2012-05-03
申请号：KR1020100104291
申请日：2010-10-25
Applicant: 현대자동차주식회사
CPC classification number: H01M8/026 , H01M8/0247 , H01M8/0258 , H01M8/2457 , H01M2008/1095
Abstract: PURPOSE: A separator for a fuel cell is provided to form turbulence of reaction gas in each cell, thereby flowing droplet trapped in a gas diffusion layer facing with a channel to the surface of gas diffusion layer, and to move and remove droplet easily along the flow direction of reaction gas at the same time. CONSTITUTION: A separator for a fuel cell(20) comprises lands conjugated with a gas diffusion layer(16), a channel(24) formed between lands to be flow path of reaction gas, and a turbulence-generating structure capable of causing turbulence of reaction gas on the surface of the channel in one body. The turbulence-generating structure is formed on whole surface or partial surface. The turbulence-generating structure is formed on the surface of the channel by being directly processed.
Abstract translation: 目的：提供一种用于燃料电池的分离器，以在每个电池中形成反应气体的湍流，从而将液滴捕获在面向通道的气体扩散层中流到气体扩散层的表面，并沿着 反应气体的流动方向同时进行。 构成：用于燃料电池（20）的分离器包括与气体扩散层（16）共轭的焊盘，形成在反应气体的流动路径的焊盘之间的通道（24），以及能够引起湍流的湍流产生结构 一个体内通道表面的反应气体。 湍流产生结构形成在整个表面或部分表面上。 通过直接处理在通道的表面上形成湍流产生结构。
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公开(公告)号：KR1020120042376A
公开(公告)日：2012-05-03
申请号：KR1020100104049
申请日：2010-10-25
Applicant: 현대자동차주식회사
Inventor： 구유선
Abstract: PURPOSE: A separator for fuel cell is provided to prevent the reaction gas clogging of channels due to the localized ice blocking phenomenon of a channel plate at temperature under melting point, thereby improving cool starting property of a vehicle. CONSTITUTION: A separator for fuel cell(100) comprises: a first channel plate(10) in which channels(11) supplying fuel to a membrane-electrode assembly are formed; a second channel plate, in which channels supplying oxidizer to the membrane-electrode assembly are formed; coolant flow channels between the first and the second channel plate; and at least one bypass flow channel(50), which connects the channels, formed in the first or the second channel plate.
Abstract translation: 目的：提供一种用于燃料电池的分离器，以防止由于通道板在熔点以下的局部冰块阻挡现象导致通道的反应气堵塞，从而改善车辆的冷启动性能。 构成：用于燃料电池（100）的隔板包括：第一通道板（10），其中形成向膜 - 电极组件供应燃料的通道（11） 第二通道板，其中形成向膜 - 电极组件供应氧化剂的通道; 第一和第二通道板之间的冷却剂流动通道; 以及形成在第一或第二通道板中的至少一个连接通道的旁通流动通道（50）。
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Patent Agency Ranking
公开(公告)号：KR101338669B1
公开(公告)日：2013-12-06
申请号：KR1020070127762
申请日：2007-12-10
Applicant: 현대자동차주식회사
Inventor： 구유선
CPC classification number: Y02T10/47
Abstract: 본 발명은 매연 여과 장치의 촉매 모니터링을 위하여 일부러 아이들시에 흡입 공기량을 린 상태에서 리치 상태로 변화시키면서 실시하지 않고, 매연 여과 장치의 촉매 모니터링을 흡입 공기량이 린 상태에서 리치 상태로 변화되는 DFCO(Deceleration Fuel Cut-Off)가 실시되는 구간에서 실시하는 매연 여과 장치의 촉매 모니터링 방법에 관한 것이다.
촉매, 모니터링, 전방/후방 산소센서, 아이들, Fuel Cut-Off,-
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公开(公告)号：KR1020120136824A
公开(公告)日：2012-12-20
申请号：KR1020110055999
申请日：2011-06-10
Applicant: 현대자동차주식회사
Inventor： 구유선
IPC: H01M8/0438 , H01M8/04225 , G01M3/26 , B60L11/18 , H01M8/1007 , H01M8/1018
CPC classification number: H01M8/04388 , B60L11/1885 , G01M3/26 , H01M8/04225 , H01M8/04395 , H01M8/1007 , H01M2008/1095 , H01M2250/20
Abstract: PURPOSE: A method for detecting leak of oxygen and hydrogen is provided to detect the leakage of reaction gas such as oxygen, hydrogen, etc. in a fuel cell system. CONSTITUTION: A method for detecting leak of oxygen and hydrogen comprises: a step of judging whether or not a soaking time is more than a preset critical soaking time when the starting of a vehicle is detected; a step of judging whether or not an idle time after starting the vehicle is more than a preset critical idle time; a step of closing an oxygen outlet valve(120) and a hydrogen outlet valve(130) in case the idle time is more than the critical idle time; a step of supplying oxygen and hydrogen to make respective standards pressure in an air blower(40) and a hydrogen inlet valve(70) for detection time; and a step of measuring the pressure of an oxygen outlet(140) and a hydrogen outlet(150) for the detection time. [Reference numerals] (10) Hydrogen tank; (30) Stack
Abstract translation: 目的：提供一种检测氧气和氢气泄漏的方法，以检测燃料电池系统中反应气体如氧气，氢气等的泄漏。 构成：检测氧气和氢气泄漏的方法，包括：当检测到车辆启动时，判断均热时间是否大于预设的临界均热时间; 判断车辆启动后的空闲时间是否超过预设的临时空闲时间的步骤; 在空闲时间大于临界空闲时间的情况下关闭氧气出口阀（120）和氢气出口阀（130）的步骤; 提供氧气和氢气以在用于检测时间的鼓风机（40）和氢气入口阀（70）中产生标准压力的步骤; 以及在检测时间内测量氧气出口（140）和氢气出口（150）的压力的步骤。 （附图标记）（10）氢罐; （30）堆栈
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公开(公告)号：KR1020120136819A
公开(公告)日：2012-12-20
申请号：KR1020110055994
申请日：2011-06-10
Applicant: 현대자동차주식회사
Inventor： 구유선
IPC: H01M8/04537 , G01R31/36 , B60L11/18
CPC classification number: H01M8/04589 , B60L11/1881 , G01R31/361
Abstract: PURPOSE: A system and method for diagnosing deterioration of stack in fuel cell vehicle is provided to inform an operator of the deterioration or abnormal state of a fuel cell, thereby being capable of improving overall stability of a vehicle. CONSTITUTION: A system and method for diagnosing deterioration of stack comprises a diagnostic resistor(300) and a fuel cell control part. The diagnostic resistor derives the output voltage lowering of a fuel cell by requiring a constant current to a fuel cell upon switching by being connected to a fuel cell of a vehicle through a switch. The fuel cell control part controls the operation of the fuel cell, comprises a diagnostic table which consists of lowering rates according to required currents when requiring current to the fuel cell, and diagnoses the deteriorated degree of a fuel cell by comparing a lowering rate of an output power generated upon switching the diagnostic resistor with the data of the diagnostic table.
Abstract translation: 目的：提供一种用于诊断燃料电池车辆中的堆叠劣化的系统和方法，以向操作者通知燃料电池的劣化或异常状态，从而能够改善车辆的整体稳定性。 构成：用于诊断堆叠劣化的系统和方法包括诊断电阻器（300）和燃料电池控制部件。 诊断电阻器通过在切换时通过开关连接到车辆的燃料电池而需要通向燃料电池的恒定电流来导出燃料电池的输出电压降低。 燃料电池控制部分控制燃料电池的操作，包括诊断台，其包括当要求电流到燃料电池时根据所需电流降低速率，并通过比较燃料电池的降低率来诊断燃料电池的劣化程度 用诊断表的数据切换诊断电阻时产生的输出功率。
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公开(公告)号：KR100802588B1
公开(公告)日：2008-02-13
申请号：KR1020060126561
申请日：2006-12-12
Applicant: 현대자동차주식회사
Inventor： 구유선
CPC classification number: Y02A50/2322
Abstract: A muffler structure for a vehicle is provided to reduce two rear oxygen sensors into one by installing an oxygen sensor at a second connecting path of a connecting pipe connected to a pipe connecting an exhaust manifold catalyst and a converter. A muffler structure for a vehicle comprises the followings: an engine(10); two exhaust manifold catalysts(20) connected to the engine; a converter(30) connected to the two exhaust manifold catalysts, to purify exhaust gas; a connecting pipe(60) connected to a pipe(50) connecting the exhaust manifold catalyst and the converter, including a first connecting path(62) and a second connecting path(64); a direction adjusting unit(70) installed to be rotated at a crossing point of the first connecting path and the pipe connecting the exhaust manifold catalyst and the converter, to adjust a direction of the exhaust gas flow; and an oxygen sensor(40) located in front of the exhaust manifold catalyst and at the second connecting path of the connecting pipe, to measure oxygen density.
Abstract translation: 提供了一种用于车辆的消音器结构，通过在连接到连接排气歧管催化剂和转换器的管道的连接管的第二连接路径处安装氧传感器，将两个后氧传感器减少为一个。 一种用于车辆的消声器结构，包括：发动机（10）; 连接到发动机的两个排气歧管催化剂（20） 连接到两个排气歧管催化剂的转化器（30），以净化废气; 连接到连接所述排气歧管催化剂和所述转换器的管道（50）的连接管道（60），包括第一连接路径（62）和第二连接路径（64）; 安装成在第一连接路径的交叉点旋转的方向调整单元（70）和连接排气歧管催化剂和转换器的配管，调整废气流的方向; 以及位于排气歧管催化剂前面和连接管的第二连接路径处的氧传感器（40），以测量氧气密度。
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