baber/WOPTO huggingface dataset:
Patent KR-20080114084-A (KR)
Title: Method of real time remote control and status supervision of repeater using radio modem and main control unit having embedded web server system, and system thereof
Inventor: PARK JONG HWA
IPC: H04B17/40
Filed: 2007-06-26
Abstract: A real-time remote control of a relay using a wireless modem and a main control unit embedding a web server system and a system thereof are provided to monitor and control a plurality of relays at real time by using a main control unit and a wireless modem. A plurality of relaies(10) transmits an SNMP trap and IP address to a base station through a wireless modem. A base station(30) transmits IP address and SNMP trap to a proxy server. A proxy server transmits the site id of the relay. The IP address and the site id of the relay are stored in database. A manager PC(40) watches and controls a relay on a real time.
Patent KR-20080005105-A (KR)
Title: Polymerizable ester compounds, polymers, resist compositions and patterning process
Inventor: WATANABE TAKERU
IPC: C07D307/20
Filed: 2007-07-05
Abstract: A resist composition comprising a polymer derived from a polymerizable acid-labile ester compound is provided which shows excellent sensitivity and resolution, thereby being preferable as a material for micro-patterning lithography. A polymerizable acid-labile ester compound is represented by the formulae(1) to (4) and is characterized in that it does not induce acid-decomposition by beta-elimination. In the formulae, A^1 is a polymerizable functional group having a carbon-carbon double bond; R^1 is H or -C-(R^5)3; R^2 is a straight, branched or cyclic C1-10 alkyl; R^3 is a straight, branched or cyclic C1-10 alkyl; R^4 is H or a straight, branched or cyclic C1-10 alkyl, or a combination of R^3, a combination of R^4, or a combination of R^3 and R^4 may bond together to form an aliphatic hydrocarbon ring with some carbon atoms in the ring to which they are attached, and in that event, each of R^3 and R^4 is a straight, branched or cyclic C1-10 alkylene; X is a straight, branched or cyclic C2-20 alkylene which forms an aliphatic hydrocarbon ring with C to which it is attached at both ends; Y is a methylene, ethylene or isopropylidene; Z is a straight, branched or cyclic C1-10 alkylene which forms a 4- to 7-membered ring with the three-carbon chain to which it is attached at both ends; and n is 1 or 2, provided that R^1 to R^5, X, Y, and Z are free of heteroatoms other than C and H. carbon and hydrogen atoms. A polymer comprises at least recurring units derived from the polymerizable acid-labile ester compound, and has a weight average molecular weight of 2,000 to 100,000. A resist composition comprises the polymer, an acid generator, and an organic solvent. A method for forming a pattern comprises the steps of: (a) applying the resist composition onto a substrate to form a resist coating; (b) heat-treating the coating and exposing to high-energy radiation or electron beam through a photomask; and (c) heat-treating the exposed coating and developing with a developer.
Patent KR-20090005491-A (KR)
Title: Unification-managing system of a non-man parking center using of a license plate recognition and method of the same
Inventor: JEON MYEONG JIN
IPC: G08G1/14
Filed: 2007-07-09
Abstract: An integration managing system of manless parking lot with vehicle number recognition system and method thereof are provided to integrally manage a plurality of parking lots by using a remote server. A parking ticket issuing device(120) is installed in a gate of a parking lot, issues a parking ticket, and transmits the parking ticket information to a communications module(110) by reading information of the parking ticket. A manless account system(130) processes a payment of a parking fare, automatically receives a payment of regular parking ticket, and transmits processing information of the parking fare and regular parking ticket information to the communications module. A breaker(140) includes cameras(71, 72). The camera automatically films a vehicle number. The breaker controls an entrance and an exit according to a control signal of the communications module.
Patent KR-20090005861-A (KR)
Inventor: LEE KYUNG HUN
IPC: G02F1/13
Filed: 2007-07-10
Abstract: A liquid crystal display is provided to be operated smoothly in the low temperature condition by varying voltage level by the temperature condition. A driving voltage generator(200) produces the necessary drive power in the drive of the LCD panel. In the drive power generator, the first temperature compensation stage which variably controls the voltage level of the drive power according to temperature is prepared. In the gamma voltage generator, the second temperature compensation stage which controls change in order to remove that the voltage of the drive power is changed with the first temperature compensation stage is prepared.
Patent KR-20090011094-A (KR)
Title: Current source having a high tolerance for changing environmental condition
Inventor: KIM MOO YOUNG
IPC: G05F1/455
Filed: 2007-07-25
Abstract: A current source is provided to supply stable currents insensitively to environmental change while obtaining wide output ranges even at low power supply voltage, thereby preventing excessive power consumption. A voltage regulator determines an output voltage by using an input voltage. A plurality of transistors(40) is connected in parallel between the output terminal of the voltage regulator and a ground. A detecting unit(30) selects any one of the plurality of transistors on the basis of phase changes in the delayed clock. The selected transistor is operated.
Patent KR-20090012927-A (KR)
Title: Method and apparatus for generating multimedia data with decoding level, and method and apparatus for reconstructing multimedia data with decoding level
Inventor: YOUM SUN HEE
IPC: H04N7/24
Filed: 2007-07-31
Abstract: A method and an apparatus for generating multimedia data with a decoding level, and a method and an apparatus for reconstructing multimedia data with the decoding level are provided to generate and reconstruct multimedia data by reflecting calculation process capability and reproduction capability of a terminal in a receiving end, thereby realizing decoding efficiency with a transceiving terminal of object data. One or more object information are allocated to each node. According to mutual relation of the allocated object information, nodes are connected to generate a scene tree(710). An event run level attribute is added to the node(720). The added event run level attribute is expressed in a scene description language to generate multimedia data recorded in a scene descriptor domain(730).
Patent KR-20090014747-A (KR)
Title: Carbon nano-tube synthesizing apparatus
Inventor: HWANG HO SOO
IPC: B82B3/00
Filed: 2007-08-07
Abstract: An apparatus of synthesizing carbon nanotube is provided to improve productivity of the carbon nanotube by including a plurality of reactive parts perpendicularly arranging chambers and a loading/unloading unit loading/unloading a substrate to the plurality of reactive parts. An apparatus of synthesizing carbon nanotube comprises a first reactive part(100), a second reactive part(200), a heat supply part, a gas supply part and a loading/unloading unit(500). The first reactive part includes a first chamber, a first boat loading a plurality of substrates and a first transport unit loading and unloading the first boat. The second reactive part includes a second chamber, a second boat and second transport unit loading and unloading the second boat. The heat supply part provides heat to the first chamber and the second chamber. The gas supply part supplies the gas to the first chamber and the second chamber.
Patent KR-20090017801-A (KR)
Title: Laser apparatus for head skin
Inventor: YOO JUNG EUN
IPC: A61N5/067
Filed: 2007-08-16
Abstract: A laser equipment for the head part for preventing the depilation is provided to allow the desired number of laser to be irradiated according to the condition or need of a user. A laser equipment for the head part for preventing the depilation comprises one or more laser irradiators(100) which irradiate the laser of single line; one or more power lines(200) which is combined with the laser irradiators to supply power; a power line distributor(300); a head wearable equipment(400) where the laser irradiators are adhered; and an electric power part(500) which provides the power to operate the laser irradiators.
Patent KR-20090018260-A (KR)
Title: Torch rotator for angled cutting and cnc cutting machine utilizing the same
Inventor: PARK GWANG HWOI
IPC: B23K7/10
Filed: 2007-08-17
Abstract: A torch rotation apparatus for angle cut is provided to rotate a torch with only motor and reduce and to incline to the desired angle. A torch rotation apparatus for angle cut includes the first rotation axis(110); a driving unit(120) for rotating the first rotation axis; the second rotation axis(130) which is installed to be inclined to the first rotation axis, and diversifying the tilt angle of the torch holder to the plate to be cut according to a rotation angle; and a driving second(150) for rotating the second rotation axis.
Patent KR-20090022128-A (KR)
Title: Method and system for billing a key number in case of originating at designated zone in wcdma network
Inventor: CHO IL WEON
IPC: H04L12/14
Filed: 2007-08-29
Abstract: A representing billing method and a system thereof when an originating terminal originates in a predetermined region by using a feature code in WCDMA network are provided to compare base station information and originating terminal information provided from a switching center based on the feature code. A customer information system/customer data distribution system(COIS/CDS) requests the predetermined area representative billing service registration to a HLR(Home Location Register)(S102). A service registration response message is received from the home location register(S104). The customer information system/customer data distribution system requests the designated area representative billing service registration to a service control device(S106). The service registration response message is received from the service control device(S108). The home location register transmits the target service trigger information(S110). A switch transmits response message about insert subscriber data to the home location register(S112).
Patent KR-20090024005-A (KR)
Title: Hydrogen separator and fabricating method thereof
Inventor: KWON SE JIN
IPC: B01D69/00
Filed: 2007-09-03
Abstract: A hydrogen separating membrane and a manufacturing method thereof are provided to improve mechanical strength and durability of the hydrogen separating membrane. A hydrogen separating membrane includes a first layer(20), a reinforcement layer(30) in which a plurality of nozzle holes(32) formed, and a support layer formed according to an edge of the first layer. The first layer and the reinforcement layer are made of the same material, palladium. The first layer and the second layer are manufactured by a sputtering method or an evaporation method. The reinforcement layer is manufactured by an electroplating method.
Patent KR-20070097003-A (KR)
Title: Apparatus with improved safety features for high temperature industrial processes
Inventor: BERGERON DAVID MARK
IPC: F16L23/00
Filed: 2007-09-10
Abstract: An apparatus for a high temperature industrial process is provided to insert or remove easily catalyst, distributed members, supports, or other parts in cylinder. An apparatus for a high temperature process comprises a reactor head(10), a catalyst containing cylinder connected to the reactor head, and at least one gauge nozzle. The gauge nozzle has an inner passage in which an instrument is received, wherein the instrument is connected in a non-normal angle such that the instrument is not visible between the height of a catalyst member and the inner passage when viewed from a lateral surface of the catalyst containing cylinder.
Patent KR-20090034559-A (KR)
Title: Internal voltage generating circuit
Inventor: KIM MYUNG JIN
IPC: G11C5/14
Filed: 2007-10-04
Abstract: An internal voltage generating circuit is provided to improve the driving force of the charge pump by using the high frequency signal as the pumping periodical signal. An internal voltage generating circuit comprises the first oscillation signal generating unit(300), and the second oscillation signal generating unit(400), and a switching unit(500). The first oscillation signal generating unit produces the first oscillation signal(VNOSCI) in response to the oscillator enable signal(isw). The second oscillation signal generating unit produces the second oscillation signal(VNOSC_CK) by dividing the external clock(ECK). The switching unit selects the first oscillation signal or the second oscillation signal in response to test mode signal.
Patent KR-20090039178-A (KR)
Title: Ink composition for manufacturing of color filter
Inventor: KIM MI KYOUNG
IPC: C09D11/107
Filed: 2007-10-17
Abstract: An ink composition for manufacturing a color filter is provided to ensure excellent chemical resistance of ink, to realize high contrast ratio, and to improve membrane hardeness, stability and function of the color filter. An ink composition for manufacturing a color filter comprises acrylic binder resin 1-20 weight% having acid value of 60-300 mgKOH/g; a polymerizable monomer 1-20 weight%; pigment of 2-30 weight%; thermal polymerization initiator 0.1-5 weight%; and solvent having high boiling point 40-90 weight%. The acrylic binder resin has the average molecular weight of 1,000-200,000.
Patent KR-20080037547-A (KR)
Title: Electrooptic device and electronic apparatus
Inventor: MIYASAKA MITSUTOSHI
IPC: G02F1/167
Filed: 2007-10-24
Abstract: An electric-optical device is provided to become adequate to display units of electronic paper or electronic book, and realize electronic books with display function and indication input function on a screen through a relatively simple configuration. An electric-optical device having an image display period and an information collection period is provided. The electric-optical device includes a panel unit and a data processing unit. The panel unit includes first and second substrates, and electrical optical material(52). The electric- optical material is kept between the first and second substrates. On the first substrate, a plurality of first scan line(10) and a plurality of second scan lines(12) disposed in parallel with the first scan lines, a plurality of signal lines(14), and pixels(16), are arranged. The pluralities of pixels are formed in a matrix shape on the first substrate. Respective pixels positioned on i-row and j-column include first and second transistors and a pixel electrode(48). Agate of the first transistor is coupled to the first scan line of i-row, and any one of source and drain of the first transistor is coupled to a signal line of j-column. A gate of the second transistor is coupled to the second scan line of i-row, and any one of source and drain of the second transistor is coupled to another of source and drain of the first transistor. Another of source and drain of the first transistor is coupled to the pixel electrode.
Patent KR-20090042622-A (KR)
Title: Energy storing device
Inventor: KIM HEUI SOO
IPC: H01G11/74
Filed: 2007-10-26
Abstract: An energy storing device is provided to prevent an internal short circuit by forming an insulating layer in an anode terminal and a cathode terminal partially when the lead line is damaged. An energy storing device includes an anode electrode, a cathode electrode, an anode lead line, and a cathode lead line. A separation film is positioned between the anode electrode and the cathode electrode. A housing(40,50) accommodates the anode electrode, the cathode electrode and the separation film. The electrolyte is received in the housing. The anode lead line and the cathode lead line are connected to an anode terminal(62) and a cathode terminal(64). An anode lead line pressing member presses the anode lead line to the anode terminal. A cathode lead line pressing member presses the cathode lead line to the cathode terminal. The anode lead line fixing member connects the anode lead line pressing member to the anode terminal. The cathode lead line fixing member connects the cathode lead line pressing member to the cathode terminal.
Patent KR-20090044389-A (KR)
Title: 일회용 식품 종이 용기 제조용 시제기
Inventor: CHANG SE JONG
IPC: D21J3/00
Filed: 2007-10-31
Abstract: 본 발명은 일회용 식품 종이 용기 제조용 시제기에 관한 것이다. 
     본 발명은, 원료인 펄프액이 공급되어 파렛트의 금망에 펄프층을 형성함과 아울러, 상기 펄프층을 흡인초지하는 펄프층 형성 및 흡인초지부; 및 상기 펄프층 형성 및 흡인초지부를 통해 상기 금망에 형성된 펄프층을 상,하의 금형으로 가압함과 아울러, 상기 펄프층을 흡인탈수하는 적어도 하나 이상의 펄프층 탈수성형부;를 포함하여 구성된다. 
     본 발명에 의하면, 콤팩트한 구조를 갖는 시제기를 통해 1회용 식품 종이 용기를 사전 제작할 수 있으므로 원하는 사양에 필요한 성분의 배합비를 도출해 낼 수 있고, 상기 1회용 식품 종이 용기의 사전 제작을 통해 펄프 몰딩기에 사용되는 금형이나 기계 설비를 사전에 점검하게 됨으로써, 작업 능률이 향상되며, 펄프 몰딩기의 작업성 및 생산성이 향상되는 효과가 있다. 
       
     펄프 몰딩기, 종이 성형용기, 파렛트, 초지탱크, 에어실린더
Patent KR-20090047255-A (KR)
Inventor: CHO SUNG JOONG
IPC: G01C1/00
Filed: 2007-11-07
Abstract: 본 발명은 유격을 방지하여 착용감을 높이면서 절도감 있는 작동성을 통하여 품질을 높일 수 있도록 한 접철 안경용 슬라이더에 관한 것으로서 렌즈가 장착되는 안경프레임의 중간부위에 안경프레임의 간격을 좁게 또는 넓게 할 수 있도록 구비하는 슬라이더와, 상기 안경프레임의 양측에 하향 접철되게 토셔널스프링을 개재한 회동부로 연결하는 다리와, 상기 다리의 중도에 다리의 후측 부위가 안경의 내측 방향으로 접혀질 수 있도록 연결하는 힌지와, 상기 슬라이더는 안경프레임의 상면에 고정되는 슬라이드관에 하나의 슬라이드관과는 볼트로 고정하고, 다른 하나의 슬라이드관과는 이탈되는 현상이 없도록 스토퍼로 단속하는 슬라이드레일에 의하여 안경프레임의 폭을 가변할 수 있도록 구성하는 접철 안경에 있어서; 
     상기 안경프레임에 고정되는 슬라이드관과 상기 슬라이드관에 결합 되는 슬라이드레일을 상면과 양 측면 3면이 항상 연접되어 유동 또는 축 방향에 대한 비틀림 현상을 배제할 수 있도록 사다리꼴 단면을 가지도록 형성하고, 상기 슬라이드레일이 왕복하는 슬라이드관 위치에는 슬라이드관 방향으로 슬라이드레일을 밀어올려 유격발생을 억제하는 유격방지수단을 더 구비하는 것이 특징이다. 
     
     접철, 안경, 슬라이더
Patent KR-20090048038-A (KR)
Inventor: JEON BYUNG SEOB
IPC: E06B1/36
Filed: 2007-11-09
Abstract: 본 발명은 세척용 창문틀에 관한 것으로서, 문이 장착되는 창문틀에 있어서 상기 창문틀을 구성하는 프레임의 전면 끝단 바에 내측 상, 하부에 수평방향으로 레일이 형성되고 전면 끝단에는 마감바가 형성되는 세척용 창문틀을 고정장착하여, 세척식 창문이 상기 레일을 따라 슬라이딩 작동할 수 있도록 한 것을 특징으로 한다. 
       
     세척용 창문틀, 레일, 마감바, 커버 결합부, 프레임, 끝단 바, 세척식 창문.
Patent KR-20090048225-A (KR)
Inventor: LEE CHUL JAE
IPC: G06F3/039
Filed: 2007-11-09
Abstract: 본 발명은 컴퓨터 마우스를 사용할 때에 손을 보다 편안하게 받쳐줄 수 있도록 하는 마우스 조작용 손 받침대에 관한 것으로, 종래의 마우스 조작용 손 받침대는 마우스를 잡은 손을 단순히 올려놓는 기능만 있었기 때문에 마우스를 움켜쥔 손의 전방 부분을 원활하게 움직이지 못하게 되는 등 마우스의 파지와 조작이 불편하게 되는 문제가 있었던 바,  
     마우스 조작용 손 받침대는 손바닥 뒷부분과 대응되는 부메랑형으로 굴곡 형성된 상부받침체와; 상기 상부받침체의 하단에 고정 설치되는 중간플레이트와; 상기 중간플레이트의 하부에 설치되는 하부베이스와; 상기 중간플레이트와 하부베이스 사이에 설치되어 중간플레이트와 상부받침체를 탄성 지지하는 스프링을 구비하는 것을 특징으로 하는 본 발명에 의하면 기존 마우스와 마우스 패드를 사용 중인 사용자가 마우스의 종류에 상관없이 최적의 손목각도를 유지할 수 있게 되어 보다 편안하게 마우스를 잡을 수 있게 되는 효과를 얻을 수 있게 되며, 마우스를 잡은 손의 아랫부분을 인체공학적으로 받쳐주면서 손의 안면이 비스듬하게 몸의 안쪽으로 향하게 되어 손목의 뒤틀림을 방지할 수 있게 되고, 손날 부분이나 엄지손가락의 아크부분이 바닥면이나 마우스패드에 닿아 마찰을 일으키지 않게 되므로 더욱 안정적으로 마우스를 조작할 수 있게 되는 등의 효과를 얻을 수 있게 된다. 
       
     마우스, 손 받침대, 상부쿠션, 중간플레이트, 하부베이스
Patent KR-20090053416-A (KR)
Inventor: JUNG SEOK JIN
IPC: H05B37/02
Filed: 2007-11-23
Abstract: 본 발명은 마그네트론을 이용한 무전극 조명기기에서 마그네트론의 전원 입력을 제어할 수 있도록 한 무전극 조명기기의 전원 제어장치에 관한 것이다. 
     즉, 본 발명은 필라멘트 및 애노드로 구성되는 마그네트론을 구비한 무전극 조명기기에서, 상용전원을 입력받아 전압과 전류를 공급하기 위한 인버터와, 상기 인버터로부터 공급되는 전압 및 전류를 1차측으로 입력받아 2차측으로 유기시켜 승압하는 고압 트랜스와, 상기 필라멘트에 전원을 공급하기 위한 제 1 전원 공급부와, 상기 애노드에 전원을 공급하기 위한 제 2 전원 공급부와, 상기 고압 트랜스의 2차측에 연결되어 상기 제 1 및 제 2 전원 공급부의 전원공급이 순차적으로 이루어지도록 하는 스위칭부를 포함하여 구성된다. 
       
     무전극 조명/고압 트랜스
Patent KR-20090054152-A (KR)
Inventor: RYU JONG CHEOL
IPC: C02F3/00
Filed: 2007-11-26
Abstract: 혐기성 복합조 및 이를 이용한 오ㆍ폐수 처리 장치에 관하여 개시한다. 본 발명의 혐기성 복합조는 상측에 유출구가 형성된 하나의 탱크와; 탱크 내부에 설치되며 상측이 유입구이고 하측이 유출구인 오ㆍ폐수 유입 통로와; 탱크 내부에 설치되는 배관과; 오ㆍ폐수 유입 통로의 유출구 및 유입구 사이에 위치되도록 오ㆍ폐수 유입 통로의 외측에 설치되는 미생물 지지 장치와; 배관과 연결되어 오ㆍ폐수의 소정 량을 펌핑하여 탱크의 외부로 유출시키는 펌프가 구비되는 것을 특징으로 한다. 본 발명에 의하면, 하나의 탱크 안에서 탈질조와 침전조의 복합 기능이 수행되므로 침전조의 개수를 줄일 수 있고, 오ㆍ폐수가 상향류의 흐름으로 이동하게 되면서 탈질 반응이 일어나므로 탱크 내부에서 농도 구배가 생겨 효율적인 탈질 반응을 수행하게 되며, 탱크의 면적을 종래보다 줄일 수 있는 장점이 있다. 
       
     혐기성 복합조, 탈질조, 침전조, 미생물 지지 장치
Patent KR-20090054862-A (KR)
Inventor: HA SUNG HO
IPC: G06Q30/06
Filed: 2007-11-27
Abstract: An Internet system for managing franchise stores and a method for constructing the same are provided to increase the profit of owners of each member store by maintaining the organic relationship with the staff. The staff of a member store accesses a franchise head office Internet system and is registered(T10). A check-list complying with a staff manual is opened(T13). The staff checklist registration, message transmission and Internet phone communication are performed(T14). The franchise head office Internet system operates a staff compensation program of a program selecting/executing unit to terminate the compensation task(T16,T17).
Patent KR-20090058812-A (KR)
Title: Catalystic converter apparatus with optimum exhaust gas flow for vehicle
Inventor: AHN JIN RYEOL
IPC: F01N3/28
Filed: 2007-12-05
Abstract: A catalytic converter apparatus for vehicle is provided to reduce pressure drop and improve the engine performance as the inlet side end-cone is formed to be convex downward and the outlet side end-cone is formed in an S shape. A catalytic converter apparatus for vehicle comprises a carrier for purifying exhaust gas, a support mat formed in the shape enclosing the carrier, a shell housing the carrier and the support mat, and an inlet and an outlet including end-cones(60) welded to both sides of the shell. The inlet side end-cone(61) is formed to be convex downward and the outlet side end-cone(63) is formed in an S shape.
Patent KR-20090060078-A (KR)
Title: Method of fabricating the array substrate for in-plane switching mode liquid crystal display device
Inventor: HONG HYUN SEOK
IPC: G02F1/136
Filed: 2007-12-08
Abstract: An array substrate for the in-plane switching mode LCD and a manufacturing method thereof are provided to prevent the contrast ratio from being degraded by minimizing the stepped height between a common electrode and pixel electrode and a neighboring gate insulating layer. A method of manufacturing an array substrate for the in-plane switching mode LCD comprises the following steps of: forming a gate line(103), a gate electrode(108) and a common line(106) on a substrate; forming a gate insulating layer(116) which has a plurality of common contact holes(117) on the gate line, gate electrode and common line; and forming an active layer(121) of an island shape correspondingly to the gate electrode on the gate insulating layer and forming an impurity amorphous silicon pattern on the active layer.
Patent KR-20090062275-A (KR)
Title: Method and system for transmitting and receiving warning message
Inventor: KWAK DONG YONG
IPC: H04L12/28
Filed: 2007-12-12
Abstract: A warning message transmitting and receiving method and system are provided to avoid warning message collision between relay vehicles and reduce vehicle clash accident by transmitting a warning message from a vehicle which discovered a dangerous situation, to rear vehicles through multi-hop communications between vehicles. When road or external dangerous situation has occurred, one or more relay vehicle is selected by using a vehicle distance and vehicle condition information(S520). A warning message sequence message is increased(S530). A warning message including an identifier of a relay vehicle and a retransmission time is generated and transmitted(S540).
Patent KR-20080065533-A (KR)
Title: Co2 separator for direct methanol fuel cell system
Inventor: BRONOLD MATTHIAS
IPC: H01M8/04
Filed: 2007-12-14
Abstract: A carbon dioxide separator for a direct methanol fuel cell system is provided to ensure a sufficient permeability of the membrane over time even in a case of a liquid/gas phase mixture having a high level of vapor. A carbon dioxide separator for a direct methanol fuel cell system has a mono-layered or multi-layered membrane(100). The membrane has plural diffusion channels(120) extending from the inside(200) to the outside(300) of the membrane, wherein the outside of the membrane faces the inside of the membrane. An average diameter of the diffusion channels on the outside of the membrane is at least three times greater than the average diameter of the diffusion channels on the inside of the membrane. The inside surface and outside surface of the membrane and the inner surfaces of the diffusion channels are hydrophobic.