Abstract: To provide a fiber-reinforced resin sheet having flame proofing property and being excellent in weather resistance and transparency, and to provide a production process thereof. A fiber-reinforced resin sheet 10, comprising a matrix resin 12 containing at least 50 mass % of a fluorinated resin; and a glass fiber cloth 14 having an open area ratio of at most 20%, embedded in the matrix resin 12, said fiber-reinforced resin sheet having at least 70% of a total light transmittance.

Abstract: To provide a laminate sheet having flame retardancy, transparency and excellent weather resistance, and to provide a production process thereof. A laminate sheet 10, comprising: a layer of a fiber-reinforced resin sheet, which comprises a matrix 12 containing a fluorine atom-free resin, and a glass fiber cloth 14 having an open area ratio of at most 20%, embedded in the matrix 12, and a fluorinated resin layer 16 containing a fluorinated resin and an ultraviolet absorber, provided on at least one side of the layer of a fiber-reinforced resin sheet.

Abstract: The present invention relates to a fluorine-containing copolymer composition comprising: (A) a fluorine-containing copolymer having a repeating unit based on fluoroolefin and a repeating unit based on a monomer having no fluorine atom; potassium carbonate; and an organic solvent, in which an amount of potassium carbonate contained is from 5 ppm to 80 ppm, on the K2O basis, based on the fluorine-containing copolymer (A).

Abstract: The present invention relates to a fluorine-containing copolymer composition comprising: (A) a fluorine-containing copolymer having a repeating unit based on fluoroolefin and a repeating unit based on a monomer having no fluorine atom; potassium carbonate; and an organic solvent, in which an amount of potassium carbonate contained is from 5 ppm to 80 ppm, on the K2O basis, based on the fluorine-containing copolymer (A).

Abstract: A method for producing a fluoroolefin copolymer solution, gives the copolymer solution good storage stability and suppressed coloration. The method for producing a fluoroolefin copolymer solution includes subjecting at least one fluoroolefin and at least one monomer other than the fluoroolefin to a solution polymerization in an organic solvent in the presence of potassium carbonate and hydrotalcite.

Abstract: To provide a method for producing a fluoroolefin copolymer solution, whereby good storage stability of the copolymer solution is obtainable, and coloration of the solution can be suppressed, and a method for producing a coating composition. A method for producing a fluoroolefin copolymer solution, which comprises subjecting at least one fluoroolefin (a) and at least one monomer (b) other than the fluoroolefin (a) to a solution polymerization in an organic solvent in the presence of potassium carbonate and hydrotalcite.

Abstract: A fuel cell system includes a branch anode gas supply pipe in which hydrogen before supplied to a fuel cell flows; and a branch cathode gas supply pipe in which air before supplied to the fuel cell flows. One end on the upstream side of the branch anode gas supply pipe is connected to the upstream side of a regulator in an anode gas supply pipe, and the other end thereof is connected to the branch cathode gas supply pipe via a hydrogen injector. The branch anode gas supply pipe is provided with a hydrogen regulator, which detects a pressure in the branch cathode gas supply pipe as a signal pressure.

Abstract: A coating composition is prepared by blending a polyisocyanate curing agent, a weak solvent-soluble fluorine-containing copolymer and a weak solvent. The polyisocyanate curing agent is obtained by a reaction between an alicylic polyisocyanate and a monoalcohol having 10-50 carbon atoms. The weak solvent-soluble fluorine-containing copolymer is a copolymer obtained from a fluoroolefin and a double bond-containing monomer copolymerizable with the fluoroolefin, and has afluorine content derived from fluoroolefin of not less than 10% by mass. In this connection, 5-30% by mole of the double bond-containing monomer contains a hydroxyl group, while 10-50% by mole of the double bond-containing monomer contains a branched alkyl group having 3 or more carbon atoms.

Abstract: A vaporizer generates vapor by vaporizing a liquid. In particular, a vaporizer generates fuel vapor that is used for reforming fuel by vaporizing a liquid fuel that contains a hydrocarbon. This vaporizer includes a heating gas direct movement flow path along which a heating gas flows by moving directly in a horizontal direction; vaporization flow paths that are positioned such that they can exchange heat with the heating gas direct movement flow path, and that vaporizes liquid fuel; a fuel supply pipe that supplies the liquid fuel to the vaporization flow paths; and a vapor flow path that is positioned in an upstream portion on the heating gas direct movement flow path from the vaporization flow paths and that heat fuel vapor that is discharged from the vaporization flow paths.

Abstract: A fuel cell system includes a branch anode gas supply pipe in which hydrogen before supplied to a fuel cell flows; and a branch cathode gas supply pipe in which air before supplied to the fuel cell flows. One end on the upstream side of the branch anode gas supply pipe is connected to the upstream side of a regulator in an anode gas supply pipe, and the other end thereof is connected to the branch cathode gas supply pipe via a hydrogen injector. The branch anode gas supply pipe is provided with a hydrogen regulator, which detects a pressure in the branch cathode gas supply pipe as a signal pressure.

Abstract: A vaporizer generates vapor by vaporizing a liquid. In particular, a vaporizer generates fuel vapor that is used for reforming fuel by vaporizing a liquid fuel that contains a hydrocarbon. This vaporizer includes a heating gas direct movement flow path along which a heating gas flows by moving directly in a horizontal direction; vaporization flow paths that are positioned such that they can exchange heat with the heating gas direct movement flow path, and that vaporizes liquid fuel; a fuel supply pipe that supplies the liquid fuel to the vaporization flow paths; and a vapor flow path that is positioned in an upstream portion on the heating gas direct movement flow path from the vaporization flow paths and that heat fuel vapor that is discharged from the vaporization flow paths.

Abstract: A method of warming up a fuel evaporator is disclosed. The fuel evaporator 2 comprises: an evaporation chamber 2b equipped with a first injection device 2a for injecting raw fuel liquid onto a heat source 2p, and vaporizing the raw fuel liquid on the heat source; a catalyst combustor 20 having a combustion catalyst 22a, and introducing catalytically burned combustion gas into the heat source; a second injection device 30 for supplying fuel to the catalyst combustor; a combustion gas transferring device 10 equipped with a fuel injection portion 10a and a combustion catalyst 10c, and the fuel injection portion injecting fuel onto the combustion catalyst to generate a catalytically burned gas; a first temperature measurement device T1 for the catalyst combustor; and a second temperature measurement device T2 for the evaporation chamber.

Abstract: A fuel evaporator composed of an evaporation chamber which evaporates a raw liquid fuel by a high temperature thermal medium to provide a raw fuel gas is disclosed. The evaporation chamber comprises a plurality of evaporation chambers serially connected to each other in a ventilation manner, and at least one raw liquid fuel injector for injecting the raw liquid fuel being provided on each of said plurality of evaporation chambers.

Abstract: A raw fuel vaporizing apparatus comprising: a vaporizer for vaporizing liquid raw fuel; a raw fuel introducing device for introducing the liquid raw fuel into the vaporizer; a catalyst combustor into which fuel and air are supplied for catalytic combustion, the catalyst combustor generating heat in the presence of a catalyst and supplying the resulting heat to the vaporizer to vaporize the liquid raw fuel; a fuel introducing device for introducing the fuel into the catalyst combustor; an air introducing device for introducing the amount of the air suitable for catalytic combustion into the catalyst combustor; a heat transferring gas introducing device introducing heat transferring gas into the catalyst combustor to transfer heat retained by the catalyst combustor to the vaporizer; and a controller increasing the amount of the heat transferring gas through the heat transferring gas introducing device when the amount of vapor generated in the vaporizer is increased.

Abstract: Air for reforming used in the reformation reaction in a reformer 3 of a fuel cell system FCS is supplied into an evaporator 2. In the evaporator 2, raw fuel liquid is evaporated to produce raw fuel gas. The reforming air and the raw fuel gas are well admixed within the evaporator 2 and a conduit 8C connecting the evaporator 2 to the reformer 3. At the starting of the fuel cell system FCS, a large amount of the air is introduced into the evaporator 2 via an air inlet port 14B for starting. The fuel cell system having such a configuration can appropriately mix the fuel gas in the reformer with the reforming air and can rapidly operate the evaporator and the reformer at the time of starting without enlarging the total size of the fuel cell system.

Abstract: A fuel cell system 1 comprises a fuel cell stack 10, an evaporator 21, a reforming device 22, a supercharger 23, an offgas heating device 24, and a catalytic combustion chamber 25. Offgas exhausted from the fuel cell stack 10 is burnt in the catalytic combustion chamber 25, and the burnt offgas is introduced to the evaporator 21 to be heat exchanged with a reforming raw fuel and reforming air. The burnt offgas cooled by means of the heat exchange is introduced to the offgas heating device 24, to be used as a heat source for heating the offgas exhausted from the fuel cell stack 10. The offgas can be heated by the burnt offgas, and the moisture in the offgas can be vaporized and introduced to the catalytic combustion chamber 25.

Abstract: In a fuel evaporator provided with an evaporation chamber 11 that produces raw fuel gas FG by vaporizing raw fuel liquid by heat received from a plurality of heat medium tubes 12 through which a high temperature heat medium passes, a raw fuel injection portion that injects raw fuel liquid onto the heat medium tubes 12 is situated in the evaporation chamber 11. The heat medium tubes 12 are arranged sparsely near the raw fuel injection portion and densely away from it. A catalytic combustor 20 is provided adjacent to the bottom surface 11b of the evaporation chamber 11 to form the high temperature heat medium. Such a fuel evaporator efficiently vaporizes raw fuel liquid and can be suitably applied in a fuel cell system for a fuel cell-powered automobile.

Abstract: A fuel reforming apparatus is provided for generating a hydrogen-rich gas. The fuel reforming apparatus includes an evaporator comprising an evaporation chamber for evaporating the fuel vapor by evaporating a hydrocarbon fuel-water mixture by an evaporator using a combustion gas formed in a combustor; a heating chamber for heating the fuel vapor by a combustion gas output from the evaporation chamber; and a guiding path for guiding the combustion gas output from the evaporation chamber to the heating chamber along the floor of the evaporating room. In the heating chamber, the fuel vapor generated in the evaporation chamber is uniformly heated in an atmosphere with a homogeneous temperature of the combustion gas output from a heating medium tube, while the fuel vapor is circulating in the vapor tube.

Abstract: A raw fuel vaporizing apparatus comprising: a vaporizer for vaporizing liquid raw fuel; a raw fuel introducing device for introducing the liquid raw fuel into the vaporizer; a catalyst combustor into which fuel and air are supplied for catalytic combustion, the catalyst combustor generating heat in the presence of a catalyst and supplying the resulting heat to the vaporizer to vaporize the liquid raw fuel; a fuel introducing device for introducing the fuel into the catalyst combustor; an air introducing device for introducing the amount of the air suitable for catalytic combustion into the catalyst combustor; a heat transferring gas introducing device introducing heat transferring gas into the catalyst combustor to transfer heat retained by the catalyst combustor to the vaporizer; and a controller increasing the amount of the heat transferring gas through the heat transferring gas introducing device when the amount of vapor generated in the vaporizer is increased.

Abstract: A fuel cell system 1 comprises a fuel cell stack 10, an evaporator 21, a reforming device 22, a supercharger 23, an offgas heating device 24, and a catalytic combustion chamber 25. Offgas exhausted from the fuel cell stack 10 is burnt in the catalytic combustion chamber 25, and the burnt offgas is introduced to the evaporator 21 to be heat exchanged with a reforming raw fuel and reforming air. The burnt offgas cooled by means of the heat exchange is introduced to the offgas heating device 24, to be used as a heat source for heating the offgas exhausted from the fuel cell stack 10. The offgas can be heated by the burnt offgas, and the moisture in the offgas can be vaporized and introduced to the catalytic combustion chamber 25. As a result, a reduction in the quantity of generated heat of the catalytic combustion chamber can be prevented in the fuel cell system.