Abstract: An air cleaner includes a housing having an opening and a filter assembly. The filter assembly is installed in and removed from the housing through the opening. When the filter assembly is at an installation position, a sealing portion of a filter element is pressed against a sealing surface of the housing. The frame includes a frame body, which supports the filter element, and a front engaging portion, which projects further forward in the insertion direction than the frame body. The housing includes a projection, which is engaged with the front engaging portion during insertion of the filter assembly. The front engaging portion and the projection are engaged with each other to constitute a guiding structure that guides the filter assembly toward the installation position.

Abstract: There is provided a head rest device 10 that does not impair safety of a seated person even when a secondary battery 35 is accommodated therein. An accommodation space 28 partitioned by a partitioning plate part 25 is provided inside a cushioning core material 12 of a head rest main body, and a secondary battery 35 is accommodated inside the accommodation space 28.

Abstract: Provided is a power conversion system having a solid-oxide fuel cell capable of stably generating electricity from hydrogen generated by an organic hydride. The power conversion system includes a solid-oxide fuel cell, a reactor for producing hydrogen and a dehydrogenation product from an organic hydride by dehydrogenation reaction, and a heat engine for generating motive power. The power conversion system separates the hydrogen produced by the reactor, and supplies the hydrogen as fuel to the solid-oxide fuel cell. Exhaust heat of the heat engine is supplied to both the solid-oxide fuel cell and the reactor.

Abstract: To make it possible to improve a low-tone reproducing ability with a simple structure in an acoustic device including speakers in a headrest. The acoustic device includes a core material of a closed structure functioning as a core of a headrest main body, acoustic speakers 50, 50 disposed in the core material, and hollow headrest stays 15, 15 that pierce through the core material. The headrest stays 15, 15 circulate the air on the inside of the core material to the outer side via hollow sections.

Abstract: An ethanol engine system stabilizes components of reformed gas generated by a reformer and a calorific value of fuel supplied to an engine. The ethanol engine system includes a reservoir tank for an aqueous ethanol solution, a first supply device that supplies the aqueous ethanol solution to the reformer, a separator that cools mixed gas fed from the reformer, including the reformed gas, condenses water vapor included in the mixed gas and separates into gas and liquid, a reformed gas supply device that supplies the reformed gas separated by the separator to the engine, a recovery tank that collects a recovery solution separated by the separator, and a first recovery solution supply device that supplies the recovery solution in the recovery tank to the reformer or a second recovery solution supply device that supplies the recovery solution in the recovery tank to a combustion chamber of the engine.

Abstract: To prevent a person from experiencing discomfort when touching portions of a headrest having built-in speakers; to enable the headrest to be formed compactly by arranging the speakers close to the body of the person; and to prevent any decrease in the acoustic pressure and/or acoustic quality of sound from the speakers. Provided are: a plurality of speakers 25a, 25b; fiber pads 15 provided to the front surfaces of the speakers 25a, 25b; a sound-insulating pad 16 provided between the fiber pads 15; and a surface skin 9 for covering the speakers 25a, 25b, the fiber pads 15, and the sound-insulating pad 16, the fiber pads 15 being formed from an elastic material that has a three-dimensional-mesh structure therein, and the sound-insulating pad 16 being formed from an elastic material for minimizing the transmission of sound.

Abstract: To make it possible to provide an acoustic device in a headrest device such that a standard of a shock is satisfied and the performance of the acoustic device can be efficiently exhibited. In the headrest device, a shock resistant surface is formed in a core material of a headrest main body, an opening is formed in the shock resistant surface, and a non-contact type acoustic microphone is disposed on the inner side of the opening.

Abstract: It is an objective of the invention to provide a method for operating hydrogen separation devices which is capable of efficiently suppressing hydrogen embrittlement in a hydrogen separation alloy membrane and to provide a hydrogen separation device that performs favorably during repeated starting/stopping operations thereof. There is provided a method for operating a hydrogen separation device for separating hydrogen from a mixture hydrogen gas using a membrane separation technique with a hydrogen separation alloy membrane. The method comprises the successive steps of: stopping supply of the mixture hydrogen gas to the hydrogen separation alloy membrane with a temperature of the membrane within a range from 300 to 600° C.; supplying an oxidizing gas over a predetermined duration to at least an upstream side of the membrane with a temperature of the membrane within a range from 300 to 600° C.; and lowering the temperature of the membrane to below 200° C.

Abstract: A renewable energy storage system that stores renewable energy, includes: an electrical power generator that converts renewable energy into electrical power; an electrical storage device that stores the electrical power; a hydrogen production device that produces hydrogen using the electrical power from the electrical power generator and/or the electrical power stored in the electrical storage device; a hydrogenation device that adds the hydrogen produced by the hydrogen production device to the unsaturated hydrocarbon; a saturated hydrocarbon storage device that stores the saturated hydrocarbon produced by the addition of the hydrogen to the unsaturated hydrocarbon; an unsaturated hydrocarbon storage device that stores the unsaturated hydrocarbon; and an unsaturated hydrocarbon supply controller that controls the supply of unsaturated hydrocarbon stored in the unsaturated hydrocarbon storage device to the hydrogenation device.

Abstract: Provided is a power conversion system having a solid-oxide fuel cell capable of stably generating electricity from hydrogen generated by an organic hydride. The power conversion system includes a solid-oxide fuel cell, a reactor for producing hydrogen and a dehydrogenation product from an organic hydride by dehydrogenation reaction, and a heat engine for generating motive power. The power conversion system separates the hydrogen produced by the reactor, and supplies the hydrogen as fuel to the solid-oxide fuel cell. Exhaust heat of the heat engine is supplied to both the solid-oxide fuel cell and the reactor.

Abstract: An engine system with a reformer, wherein an unreformed fuel is reformed by the reformer mounted in an exhaust pipe, and wherein a reformed fuel containing hydrogen is supplied to an engine. The engine system with a reformer includes a controller which, when the hydrogen generated by the reformer is supplied to the engine, determines a target heat generation beginning timing in accordance with a load applied to an engine, an engine speed, and an air excess ratio of an air-fuel mixture, and which controls an ignition timing of the engine so that a difference between a current heat generation beginning timing and the target heat generation beginning timing of the engine is within a predetermined range.

Abstract: In an engine system with a reformer being installed in an exhaust pipe to reform a fuel, a control valve for controlling a flow rate of exhaust gas is provided downstream from an installed position of the reformer in the exhaust pipe. In the engine system with the reformer, since a part of the exhaust gas can be trapped in a space between the reformer and an engine chamber by closing the control valve during an exhaust stroke, the reforming efficiency of the reformer can be heightened.

Abstract: It is an objective of the invention to provide a method for operating hydrogen separation devices which is capable of efficiently suppressing hydrogen embrittlement in a hydrogen separation alloy membrane and to provide a hydrogen separation device that performs favorably during repeated starting/stopping operations thereof. There is provided a method for operating a hydrogen separation device for separating hydrogen from a mixture hydrogen gas using a membrane separation technique with a hydrogen separation alloy membrane. The method comprises the successive steps of: stopping supply of the mixture hydrogen gas to the hydrogen separation alloy membrane with a temperature of the membrane within a range from 300 to 600° C.; supplying an oxidizing gas over a predetermined duration to at least an upstream side of the membrane with a temperature of the membrane within a range from 300 to 600° C.; and lowering the temperature of the membrane to below 200° C.

Abstract: The device for electrochemically manufacturing an organic hydride of the present invention is characterized by the electrode structure thereof being a structure that forms a matrix in which a metal-catalyst supporting carbon or a metal catalyst is suitably intermingled with a proton-conductive solid polymer electrolyte as catalyst layers, and the catalyst layers are formed on the front and back of a proton-conductive solid polymer electrolyte membrane on which a layer that blocks water from passing through is formed. When water or water vapor is supplied to the anode side of this electrode and a substance to be hydrogenated is supplied to the cathode side, application of a voltage between the anode and the cathode causes an electrolysis reaction to the water to occur at the anode and a hydrogenation reaction to the substance to be hydrogenated to occur at the cathode, producing the organic hydride.

Abstract: A renewable energy storage system that stores renewable energy, includes: an electrical power generator that converts renewable energy into electrical power; an electrical storage device that stores the electrical power; a hydrogen production device that produces hydrogen using the electrical power from the electrical power generator and/or the electrical power stored in the electrical storage device; a hydrogenation device that adds the hydrogen produced by the hydrogen production device to the unsaturated hydrocarbon; a saturated hydrocarbon storage device that stores the saturated hydrocarbon produced by the addition of the hydrogen to the unsaturated hydrocarbon; an unsaturated hydrocarbon storage device that stores the unsaturated hydrocarbon; and an unsaturated hydrocarbon supply controller that controls the supply of unsaturated hydrocarbon stored in the unsaturated hydrocarbon storage device to the hydrogenation device.

Abstract: An engine system includes a reformer for driving an engine by supplying the engine with a reformed fuel which the reformer reforms from a pre-reformed fuel. The reformer includes a reforming catalyst for reforming the pre-reformed fuel by a water vapor reforming reaction. The engine system also includes a pre-reformed fuel supply adjustment unit for supplying the pre-reformed fuel to the reformer. The reformer includes an extremity portion provided in an engine cylinder. The pre-reformed fuel supply adjustment unit supplies the pre-reformed fuel to the reformer during a suction stroke of the engine, and the reformed fuel is directly supplied from the reformer into the engine cylinder.

Abstract: Disclosed is an engine system with a reformer, the engine system comprising a reformer and driving an engine using, as a fuel, a reformed fuel produced by reforming pre-reformed fuel with the reformer, in which the reformer is connected with both a pre-reformed fuel supply adjustment unit which adjusts the amount of the pre-reformed fuel supplied to the reformer and a reformed fuel supply adjustment unit which adjusts the amount of reformed fuel supplied to the engine, and the reformer is installed adjacent to the engine combustion chamber via the reformed fuel supply adjustment unit.

Abstract: Manufacturing method of an electronic component including connecting one lead of a pair of leads to a surface parallel with a pn connection layer of an electronic element having a structure where the p-type layer and the n-type layer are connected by the pn connection layer provided between the p-type layer and the n-type layer, connecting another lead to another surface parallel with the pn connection layer; and forming a supporting part of the pair of the leads that is connected to and supporting the electronic element, and an electrode part functioning as an electrode, by bending the pair of the leads to an outside.

Abstract: An engine system includes a medium which chemically repeats storage and release of hydrogen to provide an engine system where CO2 emissions can be suppressed and system efficiency is excellent. The engine system includes a hydrogen supply device for producing hydrogen rich gas from a medium which chemically repeats the storage and release of hydrogen, and drives an engine using the hydrogen rich gas produced in the hydrogen supply device as one of the fuels. This engine system is characterized by comprising a waste heat supply device for supplying waste heat of the engine to hydrogen supply device, a generator which generates electricity by power of the engine, an energy storage device for storing electric power produced by the generator, and a motor for converting electric power discharged from the energy storage device into power.

Abstract: Recovery of dehydrogenation product must be done separately from supply of hydrogen fuel. However, there is a problem that it takes much time when dehydrogenation product recovery and fuel filling are done separately. A fuel filling/waste solution recovery apparatus includes measuring means to measure a volume of supplied fuel and a volume of recovered waste solution by measuring flow rates of solutions passing through a fuel filling nozzle and a recovery nozzle or piping, and a display which shows the volume of supplied fuel and the volume of recovered waste solution which are measured by the measuring means.