Abstract: Provided is an electric power assist device for bicycles, which can achieve proper power assist control in response to the pedaling force without any complicated feature for detecting pedaling forces and any necessity of modification to a bicycle. The device comprises: a pedaling force estimator 154 configured to estimate a pedaling force put on each pedal of a bicycle based on a variation between average current levels I flowing in an electric motor 58 measured within a first crank rotational angle range A and a second crank rotational angle range B which is different from the first crank rotational angle range; and a crank rotational angle adjuster 152 configured to adjust the first crank rotational angle range A and the second crank rotational angle range B according to the gradient of a road on which the bicycle is traveling.

Abstract: A flight status inspection system, flight status inspection method and non-transitory computer-readable recording medium storing program inspect the flight status of a flying object (drone) capable of flying through the air. The drone has a gravitational center movement device for moving the position of the gravitational center of the entire drone. In addition, the flight status inspection system has an inspection device for acquiring and storing information about the flight status when moving the position of the gravitational center of the drone during flight, or when changing the flight details during movement of the gravitational center of the drone.

Abstract: A flying object (drone) has a propeller drive unit provided in a fuselage thereof, and flies through the air by being driven by the propeller drive unit. The drone has a gravitational center movement device which is provided in the upper section of the fuselage and is capable of moving the total gravitational center position of the entire drone. The drone is equipped with a movement controller which moves the total gravitational center position to a target position by acquiring the total gravitational center position and controlling operation of the gravitational center movement device.

Abstract: A flight status inspection system, flight status inspection method and non-transitory computer-readable recording medium storing program inspect the flight status of a flying object (drone) capable of flying through the air. The drone has a gravitational center movement device for moving the position of the gravitational center of the entire drone. In addition, the flight status inspection system has an inspection device for acquiring and storing information about the flight status when moving the position of the gravitational center of the drone during flight, or when changing the flight details during movement of the gravitational center of the drone.

Abstract: A flying object (drone) has a propeller drive unit provided in a fuselage thereof, and flies through the air by being driven by the propeller drive unit. The drone has a gravitational center movement device which is provided in the upper section of the fuselage and is capable of moving the total gravitational center position of the entire drone. The drone is equipped with a movement controller which moves the total gravitational center position to a target position by acquiring the total gravitational center position and controlling operation of the gravitational center movement device.

Abstract: A fuel cell system control device includes a carbon amount determination unit for determining the carbon amount in fuel gas supplied to a fuel cell stack depending on required output of the stack, a temperature detector unit for detecting temperature of a steam reformer and temperature of an evaporator, an S/C determination unit for determining a range of steam/carbon ratio based on the temperature of the steam reformer, a water supply amount determination unit for determining a range of the water supply amount to the evaporator based on the carbon amount and the steam/carbon ratio, an evaporator operating state determination unit for determining whether the temperature of the evaporator is a temperature determined based on the range of the water supply amount, and a reformer control unit for controlling the steam reformer and a partial oxidation reformer based on the result of the evaporator operating state determination unit.

Abstract: A fuel cell system includes a fuel cell module and a control device. The control device includes a partial oxidation reformer adjuster, a combustion starter, and a power generator. Based on at least any of the reforming state in the partial oxidation reformer, the combustion state in the exhaust gas combustor and the temperature of the fuel cell stack, the partial oxidation reformer adjuster adjusts the temperature of the partial oxidation reformer, the supply amount of raw fuel, and the supply amount of oxygen-containing gas, the combustion starter starts combustion in the exhaust gas combustor, and the power generator starts power generation in the fuel cell stack.

Abstract: The present invention provides a fuel cell stack that has a separator arranged between fuel cells, the separator including: a sandwiching section which sandwiches an electrolyte electrode assembly and includes a fuel gas channel and a separately provided oxygen-containing gas channel; a bridge which is connected to the sandwiching section and includes a reactant gas supply channel; a reactant gas supply section which is connected to the bridge and includes a reactant gas supply passage; and a connecting section that connects the sandwiching section to the bridge.

Abstract: A casing of a fuel cell system is divided into a fluid supply section, a module section, and an electrical equipment section. A detector, a fuel gas supply apparatus, an oxygen-containing gas supply apparatus, and a water supply apparatus are provided in the fluid supply section. A fuel cell module and a combustor are provided in the module section. A power converter and a control device are provided in the electrical equipment section. The module section is interposed between the fluid supply section and the electrical equipment section.

Abstract: A fuel cell system includes a fuel cell module and a condenser apparatus. The condenser apparatus includes a first condenser using an oxygen-containing as a coolant, and a second condenser using hot water stored in a hot water tank as the coolant. Further, the fuel cell system includes a control device for controlling at least one of a flow rate of the exhaust gas supplied to the first condenser and a flow rate of the exhaust gas supplied to the second condenser based on at least any of a water level of the hot water in the hot water tank, a temperature of the hot water in the hot water tank, and a water level of the condensed water in the condenser apparatus.

Abstract: A fuel cell system includes a fuel cell module and a control device. The control device includes a partial oxidation reformer adjuster, a combustion starter, and a power generator. Based on at least any of the reforming state in the partial oxidation reformer, the combustion state in the exhaust gas combustor and the temperature of the fuel cell stack, the partial oxidation reformer adjuster adjusts the temperature of the partial oxidation reformer, the supply amount of raw fuel, and the supply amount of oxygen-containing gas, the combustion starter starts combustion in the exhaust gas combustor, and the power generator starts power generation in the fuel cell stack.

Abstract: A fuel cell system control device includes a carbon amount determination unit for determining the carbon amount in fuel gas supplied to a fuel cell stack depending on required output of the stack, a temperature detector unit for detecting temperature of a steam reformer and temperature of an evaporator, an S/C determination unit for determining a range of steam/carbon ratio based on the temperature of the steam reformer, a water supply amount determination unit for determining a range of the water supply amount to the evaporator based on the carbon amount and the steam/carbon ratio, an evaporator operating state determination unit for determining whether the temperature of the evaporator is a temperature determined based on the range of the water supply amount, and a reformer control unit for controlling the steam reformer and a partial oxidation reformer based on the result of the evaporator operating state determination unit.

Abstract: The present invention provides a fuel cell in which an electrolyte electrode assembly having an electrolyte sandwiched between an anode and a cathode is provided between separators, each of the separators including: a sandwiching section which sandwiches an electrolyte electrode assembly and includes a fuel gas channel and a separately provided oxygen-containing gas channel; a bridge which is connected to the sandwiching section and includes a reactant gas supply channel; a reactant gas supply section which is connected to the bridge and includes a reactant gas supply passage; and a connecting section that connects the sandwiching section to the bridge.

Abstract: A fuel cell comprises an electrolyte electrode assembly which includes an anode electrode, a cathode electrode, and an electrolyte; a separator which includes a sandwiching portion; a fuel gas channel which is formed at a first surface of the sandwiching portion, and is covered by the anode electrode; fuel gas outlets which are formed around the fuel gas channel; an oxygen-containing gas channel which is formed at a second surface of the sandwiching portion, and is covered by the cathode electrode; and oxygen-containing gas outlets which are formed around the oxygen-containing gas channel, in which the oxygen-containing gas outlets are formed at phases different from phases of the fuel gas outlets in a thickness direction of the separator.

Abstract: A fuel cell system includes n fuel cell modules and a control device for controlling the power generation amount of each of the fuel cell modules. An m-th fuel cell module of the fuel cell system includes an m-th exhaust gas discharge channel for discharging an exhaust gas from the m-th fuel cell module, and an m-th exhaust gas supply channel branched from the m-th exhaust gas discharge channel, for supplying the exhaust gas from the m-th fuel cell module to an (m+1)-th fuel cell module for warming up the (m+1)-th fuel cell module.

Abstract: A fuel cell and a fuel cell stack thereof includes separators, each of which includes a sandwiching section for sandwiching an electrolyte electrode assembly, a bridge and a reactant gas supply section, wherein the sandwiching section has a fuel gas channel and an oxygen-containing gas channel, the bridge has a fuel gas supply channel for supplying the fuel gas to the fuel gas channel and an oxygen-containing gas supply channel for supplying the oxygen-containing gas to the oxygen-containing gas channel, and a fuel gas supply passage for supplying the fuel gas to the fuel gas supply channel and an oxygen-containing gas supply passage for supplying the oxygen-containing gas to the oxygen-containing gas supply channel extend through the reactant gas supply section in the stacking direction.

Abstract: A fuel cell system includes a fuel cell module and a condenser apparatus. The condenser apparatus includes a first condenser using an oxygen-containing as a coolant, and a second condenser using hot water stored in a hot water tank as the coolant. Further, the fuel cell system includes a control device for controlling at least one of a flow rate of the exhaust gas supplied to the first condenser and a flow rate of the exhaust gas supplied to the second condenser based on at least any of a water level of the hot water in the hot water tank, a temperature of the hot water in the hot water tank, and a water level of the condensed water in the condenser apparatus.

Abstract: The present invention provides a fuel cell in which an electrolyte electrode assembly having an electrolyte sandwiched between an anode and a cathode is provided between separators, each of the separators including: a sandwiching section which sandwiches an electrolyte electrode assembly and includes a fuel gas channel and a separately provided oxygen-containing gas channel; a bridge which is connected to the sandwiching section and includes a reactant gas supply channel; a reactant gas supply section which is connected to the bridge and includes a reactant gas supply passage; and a connecting section that connects the sandwiching section to the bridge.

Abstract: The present invention provides a fuel cell stack that has a separator arranged between fuel cells, the separator including: a sandwiching section which sandwiches an electrolyte electrode assembly and includes a fuel gas channel and a separately provided oxygen-containing gas channel; a bridge which is connected to the sandwiching section and includes a reactant gas supply channel; a reactant gas supply section which is connected to the bridge and includes a reactant gas supply passage; and a connecting section that connects the sandwiching section to the bridge.

Abstract: A fuel cell system includes n fuel cell modules and a control device for controlling the power generation amount of each of the fuel cell modules. An m-th fuel cell module of the fuel cell system includes an m-th exhaust gas discharge channel for discharging an exhaust gas from the m-th fuel cell module, and an m-th exhaust gas supply channel branched from the m-th exhaust gas discharge channel, for supplying the exhaust gas from the m-th fuel cell module to an (m+1)-th fuel cell module for warming up the (m+1)-th fuel cell module.