WO2010079922A2 - 연료극 가스 가열 겸용 연료전지용 증기 발생기 - Google Patents
연료극 가스 가열 겸용 연료전지용 증기 발생기 Download PDFInfo
- Publication number
- WO2010079922A2 WO2010079922A2 PCT/KR2009/007975 KR2009007975W WO2010079922A2 WO 2010079922 A2 WO2010079922 A2 WO 2010079922A2 KR 2009007975 W KR2009007975 W KR 2009007975W WO 2010079922 A2 WO2010079922 A2 WO 2010079922A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steam
- steam generator
- anode gas
- fuel cell
- superheater
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1869—Hot gas water tube boilers not provided for in F22B1/1807 - F22B1/1861
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
- F22B21/22—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes of form other than straight or substantially straight
- F22B21/30—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes of form other than straight or substantially straight bent in U-loop form
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/14—Fuel cells with fused electrolytes
- H01M2008/147—Fuel cells with molten carbonates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0637—Direct internal reforming at the anode of the fuel cell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- the present invention relates to a steam generator for a fuel cell combined with a cathode gas heating, and more particularly, it is possible to integrate a steam generator, a steam superheater, a cathode gas heater and receive heat from the cathode exhaust gas, thereby miniaturizing the fuel cell system. And a steam generator for a fuel cell combined with a cathode gas heating capable of precisely controlling droplets.
- the internally reformed molten carbonate fuel cell is a molten carbonate fuel cell in which a reforming catalyst of methane-vapor is charged inside a fuel cell stack to directly use hydrogen produced as a fuel. Heat can be used for the endotherm of the reforming reaction, and the hydrogen produced in the adjacent portion of the electrode is continuously supplied to the reaction directly, which has the advantage that a high conversion rate of the fuel can be expected.
- the reforming reaction can be divided into a methane reforming reaction and an aqueous reforming reaction, and both have a characteristic of supplying water.
- the water must not only cause great damage to the catalyst but also must be uniformly mixed with the supplied fuel gas so as to cause a uniform reaction. Therefore, the water must be well converted to the vapor and mixed with the supplied fuel gas.
- US Patent No. 7,264,234 and US Patent Publication No. 2006/0097412 A1 disclose gas mixed steam generators used in conventional internally reforming molten carbonate fuel cell systems.
- the gas-mixed steam generator has an advantage that the size is largely reduced by configuring a heat exchanger to supply water by using a plate-fin type and to generate steam by using a cathode discharge gas.
- the water supply part is inserted into several injection pipes from one header, and it is manufactured in a form that is joined by welding, so that the cost of production is high and the direction of steam is gravity direction, so that water droplets can flow into the rear end. This is large, there is a problem that it is difficult to precisely control the droplet (steam / carbon ratio: S / C ratio) because 100% of the water vaporization is not made.
- the present inventors can provide a structure in which an anode gas heater, a steam generator, and a steam superheater are integrated to greatly reduce the connection pipe, thereby miniaturizing the fuel cell system, and
- heat exchange can be used without additional heat energy supply, and a steam generator and a steam superheater with the direction of steam in the antigravity direction can be provided to increase the residence time of the droplet and to achieve complete vaporization through the heat source supply.
- a steam generator for a fuel cell combined with a cathode gas heating that can be precisely controlled, can raise the temperature of the anode gas to a high temperature, can be easily manufactured, and the cost can be reduced.
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a structure in which a steam generator, a steam superheater, and an anode gas heating unit are integrated, thereby greatly reducing the connecting pipe, thereby miniaturizing a fuel cell system. It is to provide a steam generator for a fuel cell combined with a gas heating.
- another object of the present invention is to provide a steam generator for a fuel cell combined fuel cell that can supply heat to the steam generator, steam superheater and anode gas heating unit through heat exchange without additional heat energy supply using the cathode discharge gas as a heat source.
- another object of the present invention can increase the residence time of the droplets by providing a steam generator and a steam superheater in which the direction of the steam is set to the anti-gravity direction, it is possible to achieve a complete vaporization through the heat source supply, precisely droplets It is to provide a steam generator for a fuel cell for dual fuel cell heating that can be controlled.
- another object of the present invention is to provide a steam generator for a combined fuel gas fuel cell capable of raising the temperature of the anode gas to a high temperature through heat exchange of the cathode exhaust gas.
- Another object of the present invention is to provide a steam generator for a fuel cell combined with a cathode gas heating, which is easy to manufacture and can reduce production and manufacturing costs.
- the steam generator for a combined fuel cell fuel cell includes a steam generator 100 that generates steam by heating input water, a steam superheater 200 that supplies superheated steam to heat the steam, and a fuel gas.
- the anode gas heater 300 for supplying heat to the anode gas to increase the temperature is characterized in that it is integrally configured.
- the steam generator for a combined fuel cell fuel cell according to the present invention is connected to the steam generator 100 for generating steam by heating the input water and the steam generator 100 to supply superheated steam to heat up the steam.
- the steam superheater 200 and the anode gas heater 300 for supplying heat to the anode gas to heat up the anode gas are integrally formed, and the steam generator 100, the steam superheater 200, and the anode gas heater 300 are integrated. Is connected to the cathode exhaust gas flow path through which the cathode exhaust gas is characterized in that the heat is supplied through heat exchange.
- the steam generator 100 is characterized in that it comprises a steam generator chamber 110 and the steam generator tube sheet 120.
- the steam generator 100 has a purified water inlet is formed, the high-pressure purified water is introduced, the introduced water is heat exchanged with the cathode exhaust gas of the cathode exhaust gas flow path via the heat exchange tube sheet 120 And vaporized with steam.
- the steam superheater 200 is characterized in that it comprises a steam superheater chamber 210, steam superheater tube sheet 220 and steam superheater inlet and outlet separator 230.
- the steam superheater 200 is formed with an inlet port through which the steam generated from the steam generator 100 flows in such a way that steam is introduced therein, and the introduced steam is a cathode via the U-shaped steam superheater tube sheet 220. Heat exchange with the cathode exhaust gas of the exhaust gas flow path is overheated and discharged to the outside through the steam outlet.
- the anode gas heater 300 includes an anode gas heater chamber 310, an anode gas heater tube sheet 320, and an anode gas heater inlet / outlet separator 330.
- the anode gas heater 300 is provided with a cathode gas inlet through which the anode gas is introduced so that the anode gas is introduced, and the introduced anode gas is the cathode discharge gas via the U-shaped anode gas heater tube sheet 320.
- Heat exchange with the cathode exhaust gas of the flow path is characterized in that the temperature is raised and discharged to the outside through the anode gas outlet.
- the steam superheater 200 further comprises a pressure check connection 240 for pressure control.
- the pressure check connector 240 is preferably formed on the steam outlet (F) of the steam superheater (200).
- the steam generator 100 and the steam superheater 200 is characterized in that connected to the shrink expansion tube (130).
- the steam generator 100 further comprises a line heater 400.
- the tube sheet is characterized in that the U-shaped tube sheet.
- the fuel cell steam generator for dual fuel gas heating further comprises a small heat exchanger.
- a structure in which a steam generator, a steam superheater, and an anode gas heater are integrated may be provided, thereby reducing the connection pipe, thereby miniaturizing the fuel cell system.
- the residence time of the droplets can be increased, and complete vaporization can be achieved through the heat source supply, so that the droplets can be precisely controlled.
- the effect is that you can.
- FIG. 1 is a schematic cross-sectional view of a steam generator for a fuel cell combined fuel cell according to the present invention.
- anode gas heater chamber 320 anode gas heater tube sheet
- FIG. 1 is a schematic cross-sectional view of a steam generator for a fuel cell combined fuel cell according to the present invention.
- the fuel cell steam generator for dual fuel cell heating may include a steam generator 100, a steam superheater 200, and a fuel gas heater 300 which are integrally formed.
- the steam generator 100, the steam superheater 200, and the anode gas heater 300 may be sequentially connected to the cathode exhaust gas passage through which the high temperature cathode exhaust gas passes, and may receive heat through heat exchange.
- the steam generator 100 includes a steam generator chamber 110 for moving the cathode waste heat and constructing a structure, and a tube sheet 120 for heat exchange for steam generation.
- the steam generator chamber 110 may accommodate the heat exchange tube sheet 120 therein, the configuration is not particularly limited as long as it can perform heat exchange with the cathode discharge gas.
- the high-pressure purified water is introduced into the steam generator chamber 110 of the steam generator 100 of the present invention through the purified water inlet (E), the tube It is evenly distributed in the front manifold.
- the dispersed water is then heat-exchanged with the cathode waste heat of the cathode exhaust gas flow path through the heat exchange tube sheet 120 to vaporize with steam.
- the evaporated water is supplied to the steam superheater 200 through the shrinkage expansion tube (130).
- the steam superheater 200 includes a steam superheater chamber 210, a steam superheater tube sheet 220, and a steam superheater inlet and outlet separator 230.
- the steam superheater chamber 210 functions to move the cathode waste heat and to construct a structure
- the steam superheater tube sheet 220 is a component for superheating steam generated through the steam generator, and the steam superheater inlet / outlet separator 230 ) Is a component for distinguishing the inlet and outlet located at the top of the steam superheater tube sheet 220.
- the steam superheater 200 may accommodate the steam superheater tube sheet 220 therein, the configuration is not particularly limited as long as it can perform heat exchange with the cathode discharge gas.
- the steam superheater 200 is formed with an inlet through which the steam generated from the steam generator 100 is introduced, the steam is introduced, the introduced steam is a U-shaped steam superheater
- the tube sheet 220 is heat-exchanged with the cathode discharge gas of the cathode discharge gas flow path to overheat and is discharged to the outside through the steam outlet.
- the U-shaped steam superheater tube sheet 220 there is an effect that the outlet of the steam in the anti-gravity direction and can increase the air droplets time of the fine droplets and steam. Meanwhile, the upper part of the steam superheater tube sheet 220 is divided into the inlet and outlet parts through the steam superheater inlet and outlet separator plate 230.
- the steam superheater 200 may further include a pressure check connection 240 for controlling the pressure of the system.
- the pressure check connection 240 may be formed on the steam outlet.
- the pressure check connection unit 240 prevents excessive increase in the outlet pressure of the steam through connection using a rupture disk.
- the water is branched from the front end of the purified water inlet (E) of the steam generator (100), and the small heat exchanger using waste heat from the control bypass water preheater (G) through the preheater (400).
- the control process may include a control process (not shown) that can be supplied to the rear end of the steam outlet (F) of the steam superheater (200).
- the anode gas heater 300 includes an anode gas heater chamber 310, an anode gas heater tube sheet 320, and an anode gas heater entrance / exit separator 330.
- the anode gas heater chamber 310 functions to move the cathode waste heat and to construct a structure
- the anode gas heater tube sheet 320 is a component for raising the temperature of the anode gas
- the anode gas heater inlet / outlet separator 330 is Located at the top of the anode gas heater tube sheet 320 is a component for distinguishing the inlet and outlet.
- the anode gas heater 300 may accommodate the anode gas heater tube sheet 320 therein, and the configuration thereof is not particularly limited as long as it can perform heat exchange with the cathode discharge gas.
- the anode gas heater 300 is formed in the anode gas inlet (C) to the anode gas flows into the anode gas is introduced, the anode gas is U-shaped Heat exchanged with the cathode discharge gas of the cathode discharge gas flow path via the anode gas heater tube sheet 320, the temperature is elevated and discharged to the outside through the anode gas outlet (D).
- the cathode discharge gas is introduced through the cathode waste heat inlet A of the cathode discharge gas flow path, and performs heat exchange with the anode gas heater 300, the steam superheater 200, and the steam generator 100, respectively, and the cathode discharge gas. It is discharged through the cathode waste heat outlet (B) of the flow path.
- the steam generator for a combined fuel cell fuel cell includes a cathode gas heater 300 requiring a temperature increase of 600 ° C. or higher, a steam superheater 200 for evaporating fine droplets of generated steam, and vaporizing purified water.
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- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electrochemistry (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Fuel Cell (AREA)
Abstract
Description
Claims (9)
- 투입된 물을 가열하여 증기를 발생시키는 증기 발생기(100);상기 증기를 승온시키기 위해 증기에 과열을 공급하는 증기 과열기(200); 및연료극 가스를 승온시키기 위해 연료극 가스에 열을 공급하는 연료극 가스 가열기(300);가 일체로 구성되는 것을 특징으로 하는,연료극 가스 가열 겸용 연료전지용 증기 발생기.
- 제1항에 있어서,상기 증기 발생기(100)는 증기 발생기 챔버(110) 및 증기 발생기 튜브 시트(120)를 포함하는 것을 특징으로 하는,연료극 가스 가열 겸용 연료전지용 증기 발생기.
- 제1항에 있어서,상기 증기 과열기(200)는 증기 과열기 챔버(210), 증기 과열기 튜브 시트(220) 및 증기 과열기 입출구 분리판(230)을 포함하는 것을 특징으로 하는,연료극 가스 가열 겸용 연료전지용 증기 발생기.
- 제1항에 있어서,상기 연료극 가스 가열기(300)는 연료극 가스 가열기 챔버(310), 연료극 가스 가열기 튜브 시트(320) 및 연료극 가스 가열기 입출구 분리판(330)을 포함하는 것을 특징으로 하는,연료극 가스 가열 겸용 연료전지용 증기 발생기.
- 제3항에 있어서,상기 증기 과열기(200)는 압력 제어를 위한 압력 점검 연결부(240)를 더 포함하는 것을 특징으로 하는,연료극 가스 가열 겸용 연료전지용 증기 발생기.
- 제1항에 있어서,상기 증기 발생기(100) 및 상기 증기 과열기(200)는 수축 팽창 튜브(130)로 연결되는 것을 특징으로 하는,연료극 가스 가열 겸용 연료전지용 증기 발생기.
- 제1항 또는 제2항에 있어서,상기 증기 발생기(100)는 선가열부(400)를 더 포함하는 것을 특징으로 하는,연료극 가스 가열 겸용 연료전지용 증기 발생기.
- 제2항 내지 제4항 중 어느 하나의 항에 있어서,상기 튜브 시트는 U자형 튜브 시트인 것을 특징으로 하는,연료극 가스 가열 겸용 연료전지용 증기 발생기.
- 제1항 내지 제6항 중 어느 하나의 항에 있어서,상기 연료극 가스 가열 겸용 연료전지용 증기 발생기는 소형 열교환기를 더 포함하는 것을 특징으로 하는,연료극 가스 가열 겸용 연료전지용 증기 발생기.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09837682.5A EP2378598A4 (en) | 2009-01-12 | 2009-12-30 | Steam generator for fuel cell with dual use for heating fuel electrode gas |
JP2011545288A JP2012515415A (ja) | 2009-01-12 | 2009-12-30 | 燃料極ガス加熱兼用燃料電池用蒸気発生器 |
US13/144,283 US20120003550A1 (en) | 2009-01-12 | 2009-12-30 | Steam generator for fuel cell with dual use for heating fuel electrode gas |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2009-0002345 | 2009-01-12 | ||
KR1020090002345A KR100992340B1 (ko) | 2009-01-12 | 2009-01-12 | 연료극 가스 가열 겸용 연료전지용 증기 발생기 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010079922A2 true WO2010079922A2 (ko) | 2010-07-15 |
WO2010079922A3 WO2010079922A3 (ko) | 2010-09-16 |
Family
ID=42316959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2009/007975 WO2010079922A2 (ko) | 2009-01-12 | 2009-12-30 | 연료극 가스 가열 겸용 연료전지용 증기 발생기 |
Country Status (5)
Country | Link |
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US (1) | US20120003550A1 (ko) |
EP (1) | EP2378598A4 (ko) |
JP (1) | JP2012515415A (ko) |
KR (1) | KR100992340B1 (ko) |
WO (1) | WO2010079922A2 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103940071A (zh) * | 2014-04-29 | 2014-07-23 | 佛山市冠哲金属实业有限公司 | 一种容积式蒸汽壁挂炉 |
FR3040635B1 (fr) * | 2015-09-07 | 2017-08-25 | Commissariat Energie Atomique | Dispositif de conversion d'un liquide en vapeur |
US20230411658A1 (en) * | 2020-11-11 | 2023-12-21 | Ceres Intellectual Property Company Limited | Solid oxide fuel cell system and steam generator thereof |
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US20060097412A1 (en) | 2002-07-18 | 2006-05-11 | Sumitomo Precision Products Co., Ltd., | Gas humidifier |
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JPH04169073A (ja) * | 1990-10-31 | 1992-06-17 | Kawasaki Heavy Ind Ltd | 燃料電池の排熱回収方法及び装置 |
US6821660B2 (en) * | 1998-09-08 | 2004-11-23 | Fideris, Inc. | Gas humidification device for operation, testing, and evaluation of fuel cells |
JP4313464B2 (ja) | 1999-04-30 | 2009-08-12 | 本田技研工業株式会社 | 燃料改質装置 |
JP2001132901A (ja) | 1999-10-29 | 2001-05-18 | Toyo Radiator Co Ltd | 蒸気発生器 |
DE10003273B4 (de) * | 2000-01-26 | 2005-07-21 | Ballard Power Systems Ag | Vorrichtung zum Verdampfen und/oder Überhitzen eines Mediums |
US6835354B2 (en) | 2000-04-05 | 2004-12-28 | Hyradix, Inc. | Integrated reactor |
JP2003240477A (ja) * | 2002-02-19 | 2003-08-27 | Calsonic Kansei Corp | 積層型熱交換器のコア部構造 |
JP2004156825A (ja) * | 2002-11-06 | 2004-06-03 | Nissan Motor Co Ltd | 熱交換器 |
WO2005101562A1 (en) * | 2004-03-31 | 2005-10-27 | Modine Manufacturing Company | Fuel humidifier and pre-heater for use in a fuel cell system |
JP4751580B2 (ja) * | 2004-03-31 | 2011-08-17 | 東京瓦斯株式会社 | 発電装置 |
JP4698987B2 (ja) | 2004-08-26 | 2011-06-08 | 株式会社日鉄エレックス | 加湿ガス供給システムおよびその供給方法 |
US8691462B2 (en) * | 2005-05-09 | 2014-04-08 | Modine Manufacturing Company | High temperature fuel cell system with integrated heat exchanger network |
US7858256B2 (en) * | 2005-05-09 | 2010-12-28 | Bloom Energy Corporation | High temperature fuel cell system with integrated heat exchanger network |
US20060248799A1 (en) * | 2005-05-09 | 2006-11-09 | Bandhauer Todd M | High temperature fuel cell system with integrated heat exchanger network |
JP2008096087A (ja) * | 2006-10-16 | 2008-04-24 | Ebara Corp | 蒸気ボイラ装置 |
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2009
- 2009-01-12 KR KR1020090002345A patent/KR100992340B1/ko not_active IP Right Cessation
- 2009-12-30 US US13/144,283 patent/US20120003550A1/en not_active Abandoned
- 2009-12-30 WO PCT/KR2009/007975 patent/WO2010079922A2/ko active Application Filing
- 2009-12-30 EP EP09837682.5A patent/EP2378598A4/en not_active Withdrawn
- 2009-12-30 JP JP2011545288A patent/JP2012515415A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060097412A1 (en) | 2002-07-18 | 2006-05-11 | Sumitomo Precision Products Co., Ltd., | Gas humidifier |
US7264234B2 (en) | 2002-07-18 | 2007-09-04 | Sumitomo Precision Co., Ltd. | Gas humidifier |
Non-Patent Citations (1)
Title |
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See also references of EP2378598A4 |
Also Published As
Publication number | Publication date |
---|---|
KR20100083005A (ko) | 2010-07-21 |
EP2378598A4 (en) | 2017-08-02 |
WO2010079922A3 (ko) | 2010-09-16 |
JP2012515415A (ja) | 2012-07-05 |
KR100992340B1 (ko) | 2010-11-04 |
US20120003550A1 (en) | 2012-01-05 |
EP2378598A2 (en) | 2011-10-19 |
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