Abstract: Provided is a fuel-reforming device comprising: an ammonia tank (4); a reformer (5) for reforming ammonia and generating high-concentration hydrogen gas having a hydrogen content of at least 99%; a mixing tank (7) for mixing ammonia and hydrogen for temporary storage; and a control means (10) for controlling the respective supply amounts of ammonia and high-concentration hydrogen gas that are supplied to the mixing tank (7). The control means (10) calculates the combustion rate coefficient C of mixed gas with respect to a reference fuel on the basis of equation (1). Equation (1): S0=SH×C+SA×(1?C). In equation (1), S0 is the combustion rate of the reference fuel, SH is the combustion rate of hydrogen, SA is the combustion rate of ammonia, and C is the combustion rate coefficient of mixed gas. In addition, on the basis of equation (2), the control means (10) determines the volume fractions of ammonia and hydrogen that are supplied to the mixing tank. Equation (2): C=1?exp(?A×MB).

Abstract: Provided are a hydrogen purification device and a hydrogen purification method whereby hydrogen having a high purity can be purified at a high yield from a starting gas. The hydrogen purification device comprises: a starting gas source that supplies a starting gas, said starting gas containing hydrogen molecules and/or a hydride, to a discharge space; a plasma reactor that defines at least a part of the discharge space; a hydrogen flow channel that is connected to the discharge space; and leads out purified hydrogen from the starting gas source; a hydrogen separation membrane that partitions the discharge space from the hydrogen flow channel defines at least a part of the discharge space by one surface thereof and defines at least a part of the hydrogen flow channel by the other surface thereof; an electrode that is positioned outside the discharge space; and an adsorbent that is filled in the discharge space and adsorbs the starting gas.

Abstract: An outer rotor electric motor is provided in which a rotor having a rotor case and a plurality of permanent magnets fixed to an inner periphery of the rotor case is disposed so as to cover a stator, and an end part of a rotating shaft is fastened to the end wall by a fastening member having part thereof exposed to an exterior from an upper face of the end wall of the rotor case, wherein a plurality of cooling blades are provided with the end wall so as to extend radially while projecting downward from of the end wall, radially extending grooves for discharging water are formed in the end wall so as to individually correspond to the cooling blades, and a plurality of cooling air discharge holes that discharge air from the cooling blade are formed in the side wall of the rotor case.

Abstract: Provided is a transportation device which is capable of continuously travelling without being supplied with hydrogen from the outside. According to the present invention, a transportation device is provided with an ammonia storage means, a hydrogen production device, a fuel cell, a motor, a battery and a control unit. The hydrogen production device produces hydrogen by decomposing ammonia; and the fuel cell is supplied with hydrogen from the hydrogen production device and generates electric power. The motor operates by being supplied with some or all of the electric power generated by the fuel cell. The battery is supplied with some or all of the electric power generated by the fuel cell, and supplies electric power to the motor and the hydrogen production device.

Abstract: Provided is a hydrogen generating apparatus adaptable to fluctuating hydrogen demand, particularly by enabling large-scale hydrogen production, generating pure hydrogen at a high yield. The hydrogen generating apparatus 1 generates hydrogen gas from a source gas by decomposing the source gas through catalysis and transforming it into plasma through electric discharge. The hydrogen generating apparatus 1 includes a dielectric body 2 defining a source gas flow channel 13, a catalyst 10 that decomposes at least part of the source gas in the source gas flow channel 13 to generate hydrogen gas, an electrode 3 contacting the dielectric body 2, a hydrogen separation membrane 5 facing the electrode 3 across the dielectric body 2, a hydrogen flow channel 18 guiding hydrogen separated by the hydrogen separation membrane 5, and a high-voltage power supply 6 supplying power to cause electric discharge between the hydrogen separation membrane 5 and the electrode 3.

Abstract: Provided is a hydrogen generating apparatus adaptable to fluctuating hydrogen demand, particularly by enabling large-scale hydrogen production, generating pure hydrogen at a high yield. The hydrogen generating apparatus 1 includes a tabular dielectric body 2 having a first surface 11 with a source gas flow channel 13 formed as a recess and a second surface 12 approximately parallel to the first surface 11, a grounding electrode 3, a hydrogen flow channel plate 4 with a hydrogen flow channel 18 and a hydrogen outlet 19, being arranged on a first surface 11 side of dielectric body 2, a hydrogen separation membrane 5 between source gas flow channel 13 and hydrogen flow channel 18, and a high-voltage power supply 6 that causes electric discharge in source gas flow channel 13 between hydrogen separation membrane 5 and grounding electrode 3. Hydrogen separation membrane 5 transmits hydrogen generated by electric discharge in source gas flow channel 13 into hydrogen flow channel 18.

Abstract: A compact fuel battery system is provided that has an integrated hydrogen generator. This fuel battery system 1 is provided with a hydrogen generator 10 and a fuel battery cell 20. The hydrogen generator 10 is provided with a plate-shape dielectric 2 having a raw material gas flow path surface 11 in which a raw material gas flow path 13 is formed. An electrode 3 faces the back surface 12 of the dielectric 2. A hydrogen separation membrane 5, which has a first surface 18 and the second surface 19, closes an opening of the raw material gas flow path 13. Furthermore, the hydrogen generator 10 is provided with a high-voltage power supply 6 which generates electric discharge between the hydrogen separation membrane 5 and the electrode 3. The fuel battery system is characterized in that the second surface 19 of the hydrogen separation membrane 5 of the hydrogen generator is arranged facing the fuel electrode 21 of the fuel battery cell 20.

Abstract: Provided is a hydrogen generating apparatus adaptable to fluctuating hydrogen demand, particularly by enabling large-scale hydrogen production, generating pure hydrogen at a high yield. The hydrogen generating apparatus 1 generates hydrogen gas from a source gas by decomposing the source gas through catalysis and transforming it into plasma through electric discharge. The hydrogen generating apparatus 1 includes a dielectric body 2 defining a source gas flow channel 13, a catalyst 10 that decomposes at least part of the source gas in the source gas flow channel 13 to generate hydrogen gas, an electrode 3 contacting the dielectric body 2, a hydrogen separation membrane 5 facing the electrode 3 across the dielectric body 2, a hydrogen flow channel 18 guiding hydrogen separated by the hydrogen separation membrane 5, and a high-voltage power supply 6 supplying power to cause electric discharge between the hydrogen separation membrane 5 and the electrode 3.

Abstract: An energy carrier system is provided that produces ammonia with high efficiency and that further produces hydrogen as final product and uses the hydrogen as energy. An energy storage transportation method is further provided that is carried out by using energy carrier system. The energy carrier system includes nitric acid production device, an ammonia production device, and hydrogen production device. The nitric acid production device includes a photo-reactor, a gas supply unit that supplies photo-reactor with gas to be treated containing a nitrogen oxide, water, and oxygen, and light source disposed in the photo-reactor. The light source radiates light including ultraviolet of a wavelength shorter than 175 nm. The energy storage transportation method includes nitric acid production step of producing nitric acid from a nitrogen oxide, ammonia production step of producing ammonia through reduction of nitric acid, and hydrogen production step of producing hydrogen through decomposition of the ammonia.

Abstract: To provide a hydrogen generating apparatus that efficiently generates hydrogen from ammonia, and a fuel cell system that generates power using the efficiently generated hydrogen. [Solution] A hydrogen generating apparatus (1) is provided with a plasma reactor (3), a high-voltage electrode (5), a grounding electrode (7), and a gas supply means (15) that supplies a gas containing ammonia to the plasma reactor. The high-voltage electrode (5) is configured with a hydrogen separation membrane (12) included therein. Under the conditions of room temperature and atmospheric pressure, the hydrogen separation membrane (12) of the high-voltage electrode (5) discharges electricity between the grounding electrode (7) and the hydrogen separation membrane with power supplied from a high-voltage pulse power supply (2), and hydrogen is generated by bringing into the plasma state the ammonia contained in the gas thus supplied.

Abstract: A denitration device and a denitration method in which denitration is performed efficiently and in a stable manner in a lower-reaction-temperature region without using a catalyst. The denitration device is provided with a combustion chamber, a denitration agent feed means for feeding a denitration agent into the combustion chamber, an exhaust pipe, and an OH-radical-generating substance feed means for feeding an OH radical-generating substance into the exhaust pipe. The denitration agent feed means feeds a denitration agent into the exhaust gas of the combustion chamber to perform a first denitration reaction step, and the OH-radical-generating substance feed means feeds the OH-radical-generating substance into the exhaust gas in the exhaust pipe to perform a second denitration reaction step.

Abstract: An energy carrier system is provided that produces ammonia with high efficiency and that further produces hydrogen as final product and uses the hydrogen as energy. An energy storage transportation method is further provided that is carried out by using energy carrier system. The energy carrier system includes nitric acid production device, an ammonia production device, and hydrogen production device. The nitric acid production device includes a photo-reactor, a gas supply unit that supplies photo-reactor with gas to be treated containing a nitrogen oxide, water, and oxygen, and light source disposed in the photo-reactor. The light source radiates light including ultraviolet of a wavelength shorter than 175 nm. The energy storage transportation method includes nitric acid production step of producing nitric acid from a nitrogen oxide, ammonia production step of producing ammonia through reduction of nitric acid, and hydrogen production step of producing hydrogen through decomposition of the ammonia.

Abstract: In a generator in which a stator is fixed to a housing which includes a first bracket having a bearing portion for pivotally supporting one end portion of a rotary shaft, and a second bracket covering a cooling fan that rotates with the rotary shaft, and a rotor surrounded by the stator is fixed to the rotary shaft, the stator is fixed to the first bracket, and the first bracket is integrally provided with a tubular portion which surrounds the stator for permitting cooling air sucked in by the cooling fan to flow between the tubular portion and an outer periphery of the stator, and the second bracket is connected to the tubular portion. Accordingly, cost is reduced by connecting first and second brackets together without using long through-bolts, and efficiency of cooling the stator is enhanced by making the cooling air flow along the outer periphery of the stator.

Abstract: In a rotor for a generator in which a rotor core is fixed to a rotary shaft rotatably supported by a housing, and field coils are wound on a bobbin installed in the rotor core, so as to be disposed on opposite sides of one plane passing a center axis of the rotary shaft, parts of the bobbin corresponding to axial outer ends of the rotor core are provided with separation protrusions by each of which a corresponding one of coil end portions at opposite ends of each of the field coils in an axial direction of the rotary shaft is divided into an inner portion and an outer portion in a radial direction of the rotary shaft, and on opposite sides of each of the separation protrusions in a peripheral direction of the rotary shaft, gaps are respectively formed between the inner portion and the outer portion.

Abstract: A device for applying a high voltage using a pulse voltage is provided which applies a high voltage having a pulse width ?0 to a capacitive load (1) through a pulse transformer (4), the high voltage having pulse-like peaks with a steep leading edge, wherein a capacitance C1 of the capacitive load (1) and a secondary side leakage inductance L1 of the pulse transformer (4) satisfy the equation: L1=(?0/?)2×(1/C1). This enables enlargement of the pulse-like peaks and application of any pulse repetition frequency when the high voltage having the pulse-like peaks is applied to the capacitive load through the pulse transformer.

Abstract: In a generator in which a stator is fixed to a housing which includes a first bracket having a bearing portion for pivotally supporting one end portion of a rotary shaft, and a second bracket covering a cooling fan that rotates with the rotary shaft, and a rotor surrounded by the stator is fixed to the rotary shaft, the stator is fixed to the first bracket, and the first bracket is integrally provided with a tubular portion which surrounds the stator permitting cooling air sucked in by the cooling fan to flow between the tubular portion and an outer periphery of the stator, and the second bracket is connected to the tubular portion. Accordingly, cost is reduced by connecting first and second brackets together without using long through-bolts, and efficiency of cooling the stator is enhanced by making the cooling air flow along the outer periphery of the stator.

Abstract: An engine generator is provided having an improved cooling effect realized by cooling air while ensuring a compact arrangement of components in a housing. The engine generator includes an engine 2, a generator 3, an inverter 4, a control device, a fuel tank 7, an air cleaner 16, a muffler 18, a radiator 6, and a housing 5 accommodating the foregoing components. The engine generator includes cooling air inlets 12 and 11 and a cooling air outlet 14 on sides of the housing 5 with a cooling air passage disposed between the inlets and outlet. The generator 3, the inverter 4, and the air cleaner 16 are disposed further upstream than the engine 2 along a cooling air passage. The fuel tank 7, the radiator 6, and the muffler 18 are disposed further downstream than the engine 2 along the cooling air passage.

Abstract: A device for applying a high voltage using a pulse voltage is provided which applies a high voltage having a pulse width ?0 to a capacitive load (1) through a pulse transformer (4), the high voltage having pulse-like peaks with a steep leading edge, wherein a capacitance C1 of the capacitive load (1) and a secondary side leakage inductance L1 of the pulse transformer (4) satisfy the equation: L1=(?0/?)2×(1/C1). This enables enlargement of the pulse-like peaks and application of any pulse repetition frequency when the high voltage having the pulse-like peaks is applied to the capacitive load through the pulse transformer.

Abstract: A control circuit (microcomputer) is provided in each of two inverter portions. Magnitude of a target waveform signal corresponding to a voltage to be output by each of the inverter portions is varied according to an operation state. The number of revolution of the engine is adjusted according to the larger one of the effective powers output from the two inverter portions. To cope with a temporary output shortage from the AC generator, the output voltage is temporarily lowered and then the output voltage is restored after waiting for the number of revolution of the engine increases.