Patent application number | Description | Published |
20090107662 | EVAPORATOR FOR FUEL CELL SYSTEM - An evaporator for a fuel cell system generating steam used for a steam reforming reaction provides an evaporator including a body having an inner space formed by a hollow for allowing a flow of a fluid, and a plurality of cell barrier members dividing the inner space into a plurality of spaces and having heat conductivity. The spaces include at least one first space for allowing a flow of a flue gas and at least one second space for allowing a flow of water. | 04-30-2009 |
20090169932 | FUEL CELL SYSTEM AND REFORMER - A fuel cell system and a reformer for a fuel cell system prevents backfire and improves efficiency of heat transfer. The fuel cell system includes a reformer generating hydrogen gas from fuel including hydrogen by a catalytic chemical reaction using heat energy, and at least one electricity generating unit generating electrical energy by an electrochemical reaction between the hydrogen gas and oxygen. The reformer includes a case, a heat source, and a reforming reaction part. The case forms an external shape. The heat source is disposed in the case to generate heat energy by an oxidation reaction between fuel and a catalyst, and includes a mesh, an oxidation catalyst layer formed on a surface of the mesh, and at least one fuel injection nozzle supplying the fuel to the oxidation catalyst layer. The reforming reaction part is disposed in the case to generate hydrogen gas from fuel using the heat energy generated from the heat source. | 07-02-2009 |
20100062299 | EVAPORATOR AND FUEL REFORMER HAVING THE SAME - An evaporator and a fuel reformer having the same. The evaporator includes a wall arrangement having a circumferential wall and a bottom wall, the circumferential wall and the bottom wall defining (or surrounding) an evaporation chamber; an inlet provided at one side of the evaporation chamber; an outlet formed in the bottom wall; and a barrier at (or surrounding) the outlet and projected from the bottom wall to the inside of the evaporation chamber. | 03-11-2010 |
20100119421 | Catalyst support, method of manufacturing the same, and reformer having the same - A catalyst support includes a base member, and a plurality of paths extending through the base member in a first direction from a first end of the base member to a second end of the base member. Each path has a first end at the first end of the base member and a second end at the second end of the base member, and the first ends of the paths are disposed at different intervals from a plane that is perpendicular to the first direction. | 05-13-2010 |
20100158769 | REFORMER - A reformer, which may be configured to prevent flash back generated from a reaction part in a catalytic oxidation reaction is disclosed. The reformer may include a first reaction part having a first chamber and a first catalyst disposed inside the first chamber, the first reaction part configured to generate heat by burning a first fuel. The reformer may include a second reaction part having a second catalyst, the second reaction part configured to be heated by the first reaction part and the second reaction part further configured to reform a second fuel. The reformer may include a flash back prevention part disposed on an upstream side of a flow of the first fuel and air, the flash back prevention part configured to introduce the first fuel and the air across a predetermined interval from the first catalyst. | 06-24-2010 |
20100196776 | AUTO IGNITION TYPE AUTOTHERMAL REFORMER AND FUEL CELL SYSTEM HAVING THE SAME - An auto ignition type autothermal reformer (ATR) performs reproducible ignition using a catalyst that performs ignition without a separate ignition unit, such as an igniter or heating wire, and a fuel cell system having the ATR. The ATR includes a reaction container having a first opening through which a fuel is introduced into the reaction container and a second opening through which a reformate is discharged from the reaction container, the fuel having a mixture of an aqueous primary fuel solution and hydrogen peroxide; a first catalyst disposed adjacent to the first opening in the reaction container, the first catalyst being a granular catalyst; a second catalyst disposed at the rear portion of the first catalyst to promote an autothermal reforming reaction; and a third catalyst disposed at the rear portion of the second catalyst to promote an oxidation reaction. | 08-05-2010 |
20100226834 | Fuel reformer - A fuel reformer including a reaction container including a first chamber, a first reactor in the first chamber, the first reactor, including a first catalyst, being configured to produce a first reformate by performing a steam reforming reaction on a first fuel, and having a first gas hourly space velocity (GHSV) at a set flow rate, a first heat source thermally connected to the first reactor, and a second reactor connected to the first reactor, the second reactor including a second catalyst, being configured to produce a second reformate having a lower carbon monoxide content than the first reformate, and having a second GHSV greater than the first GHSV at the set flow rate. | 09-09-2010 |
20100269912 | FUEL SUPPLY APPARATUS FOR A COMBUSTOR - A fuel supply apparatus for a combustor configured to prevent or substantially prevent a flashback from being generated from the combustor. A fuel supply apparatus includes a fuel distribution part having a first opening part and a second opening part, the fuel distribution part configured to alternately discharge a fuel from the first opening part and the second opening part; and a housing having a first channel and a second channel, wherein an intermediate part of the first channel is coupled to and in fluid communication with the first opening part, and an intermediate part of the second channel is coupled to and in fluid communication with the second opening part. | 10-28-2010 |
20100284868 | CATALYTIC COMBUSTOR AND FUEL REFORMER HAVING THE SAME - A catalytic combustor which can prevent spark ignition pollution without increasing the pressure in the catalytic combustor through structural isolation between a chamber and an igniter, and a fuel reformer having the same are disclosed. A catalytic combustor may include a housing having a cylindrical chamber, a first opening disposed at one end part of the chamber, a second opening for discharging an exhaust in the chamber, and an auxiliary channel for connecting the chamber and the second opening. A catalyst may be disposed in the chamber. When the length direction of the chamber corresponds to a gravitational direction, an igniter may be disposed apart from a virtual extension volume of the chamber extending in the gravitational direction and positioned at a lower portion of the housing. | 11-11-2010 |
20100303681 | CATALYTIC COMBUSTOR AND FUEL REFORMER HAVING THE SAME - A catalytic combustor and a fuel reformer having the same. The catalytic combustor includes a housing having a cylindrical reaction portion and a second reaction portion surrounding the first reaction portion in a double tube shape. The housing has a first opening for supplying a first fuel and an oxidant to the first reaction portion and a second opening through which an exhaust in the second reaction portion is discharged. The first and second openings are disposed at first sides of the first and second reaction portions, respectively. The first and second reaction portions are connected with each other so that the fluid is communicated with the first and second reaction portions at second sides of the first and second reaction portions. A catalyst is disposed in the first reaction portion, and a mesh layer is inserted into the second reaction portion. | 12-02-2010 |
20110054692 | REFORMER AND CONTROL METHOD THEREFOR - A reformer having improved performance and stability and a reformer control method, the reformer including a reforming reaction unit, a first sensor, a heat source unit, a second sensor, and a flow control unit. The reforming reaction unit converts a first fuel into a reformate. The first sensor senses a first temperature of the reformate generated from the reforming reaction unit. The heat source unit heats the reforming reaction unit with a combustion heat of a second fuel. The second sensor senses a second temperature at a fuel inlet of the heat source unit. The flow control unit controls a temperature of the reformate by regulating a flow of an oxidizer supplied to the heat source unit based on the first temperature, and controls a temperature of the heat source unit by regulating a flow of the second fuel supplied to the heat source unit based on the second temperature. | 03-03-2011 |
20110116980 | PREFERENTIAL OXIDATION REACTOR - There is provided a preferential oxidation reactor having excellent carbon monoxide reducing performance while providing for self-ignition of mixed hydrogen gas. The preferential oxidation reactor includes: a first reaction unit including a first internal space connected with a first opening portion and a first catalyst capable of spontaneously igniting hydrogen mixed gas at a predetermined atmospheric temperature of the first internal space; a second reaction unit including a second internal space connected to a second opening portion and a second catalyst contained in the second internal space; and a separation layer that is positioned between the first and second catalysts so as to separate the first catalyst and the second catalyst from each other and which connects the first internal space and the second internal space to each other to be in fluid communication. | 05-19-2011 |
20110117460 | FUEL CELL SYSTEM AND OPERATION METHOD THEREOF - A fuel cell system capable of improving performance and stability of the system by using stack off-gas includes: a power generation unit that generates power through an electrochemical reaction of a first fuel and a first oxidant; a reforming unit that supplies the first fuel to the power generation unit; a heating unit that receives second fuel and a second oxidant, combusts the second fuel, and is thermal-conductively coupled with the reforming unit; and a connection unit that connects the heating unit with the power generation unit to be in fluid communication and supplies off-gas of the power generation unit to the heating unit. The off-gas is supplied to the heating unit in a pulse type. | 05-19-2011 |
20110158866 | REFORMER WITH HIGH DURABILITY - A reformer including a heating unit, a first combustor for receiving and oxidizing a heating unit fuel at a first end of the heating unit, and a second combustor for receiving and oxidizing an anode off gas at a second end of the heating unit, a reforming unit having a first reforming portion surrounding the heating unit, a second reforming portion surrounding the first reforming portion, and a flow path portion connecting the first reforming portion and the second reforming portion to provide fluid communication therebetween, and a heat resistant shield between the flow path portion and the second combustor. Here, the heat resistant shield protects the reforming unit from being distorted by thermal expansion caused by the heating unit. In addition, the flow path portion may be formed with a blade configured to further protect the connector from being distorted by thermal expansion. | 06-30-2011 |