Abstract: An offshore wind turbine system for the large scale production of hydrogen from seawater that includes a floating tower structure, a wind turbine generator, a lift pump, a desalination unit, an electrolysis unit, and an export riser. The floating tower structure may be secured to the sea floor by a suction anchor for deepwater deployment. The lift pump, desalination unit, and electrolysis unit are powered by the wind turbine generator and configured to pump, desalinate, and electrolytically split seawater, respectively. The hydrogen generated by the electrolysis unit is provided to the export riser for delivery to a manifold or pipeline that may be deployed upon the sea floor. Individual units of the system may be combined into a field interconnected to one or more such manifolds to increase the scale of the system.

Abstract: Engine control apparatus includes: an engine including an injector and ignition plug, and a controller configured to control the injector and ignition plug to switch combustion mode to a second homogenous charge compression ignition combustion of reformed fuel with ignition at required torque less than a first predetermined value, to a first homogenous charge compression ignition combustion of reformed fuel, obtained by reforming a portion of gasoline fuel into peroxide, without ignition at required torque more than the first predetermined value and less than a second predetermined value, to spark ignition combustion of gasoline with ignition at required torque more than the second predetermined value and less than a third predetermined value, and to diffusion combustion of reformed fuel without ignition at required torque more than the third predetermined value.

Abstract: The invention relates to, inter alia, a device for supplying a hydrogen internal combustion engine of a motor vehicle with hydrogen. The device has a storage tank for a fluid containing a carrier agent enriched with hydrogen. The device has a first heat exchanger for heating the fluid by transferring heat from a coolant of the hydrogen internal combustion engine and a second heat exchanger for additionally heating the fluid by transferring heat from an exhaust flow of the hydrogen internal combustion engine. The device provides a highly energy-efficient system that makes appropriate use of the thermal energy in the exhaust and the thermal energy in the coolant.

Abstract: An internal combustion engine comprising: a main combustion chamber comprising at least one intake valve and at least one exhaust valve, wherein at least one intake port fluidically connected to an intake manifold is configured to supply an air and/or an air-fuel-mixture to the main combustion chamber via the at least one intake valve, and a pre-chamber which is in fluid connection with the main combustion chamber, wherein the pre-chamber is in fluid connection with the intake port and/or the intake manifold through a supply line, wherein at least one fuel injector is configured to enrich the air and/or air-fuel-mixture supplied to the main combustion chamber to have a lower ignition delay than an air-fuel-mixture supplied to the pre-chamber and/or air or air-fuel-mixture can be supplied to the pre-chamber to have a higher ignition delay than an air-fuel-mixture supplied to the main combustion chamber.

Abstract: An internal combustion engine injector mounting is configured to i) secure an injector (36) to an internal combustion engine body so that the injector can inject a heated aqueous fluid and a fuel into a combustion chamber of the internal combustion engine, and ii) hold a catalyst so that the heated aqueous fluid and fuel are injected into the combustion chamber by passing through the catalyst. The catalyst is contained within the mounting to protect against oxidation by combustion processes that, in use, take place in the combustion chamber.

Abstract: Disclosed is a method for reducing the increase in temperature at the surface of the earth and the increase in the content of carbon dioxide in the atmosphere due to the fossil fuel and non-fossil fuel combustion operations, remarkable in that it consists in reducing the increase in the temperature of the earth and the increase in the content of carbon dioxide in the atmosphere, which reductions in the temperature of the earth and of the content of carbon dioxide are achieved by reducing the drop in the oxygen content in the atmosphere, which reduction in the drop in the oxygen content includes: producing pure oxygen or producing hydrogen peroxide, and using for fuel combustion the oxygen or hydrogen peroxide to reduce the consumption of oxygen contained in the air during the combustion operations. Also disclosed is the device, the vehicle and the plant for carrying out the method.

Abstract: A system includes a gas plant having an inlet slug catcher, downstream processing equipment fluidly connected to the inlet slug catcher, and a downstream flare system fluidly connected to the inlet slug catcher. The system also includes an upstream plant connected to the inlet slug catcher via a transmission pipeline. The upstream plant includes an upstream flare system fluidly connected to the transmission pipeline, wherein the inlet slug catcher has a design pressure equal to or greater than the transmission pipeline design pressure.

Abstract: A fuel supply device for a gas fuel includes a fuel passage through which the gas fuel is supplied to a fuel injection valve. A heat exchanger is connected to the fuel passage and configured to exchange heat with the gas fuel. The heat exchanger includes a first heat exchanger and a second heat exchanger in which a temperature of a heat medium is lower than that in the first heat exchanger. When an actual temperature of the gas fuel is lower than a target temperature of the gas fuel and a temperature difference between the actual temperature of the gas fuel and the target temperature of the gas fuel is greater than a threshold value, processing circuitry of the fuel supply device executes a process that increases a ratio of an amount of the gas fuel that undergoes heat exchange in the first heat exchanger.

Abstract: The present invention relates, in general, to systems and methods for generating hydrogen from ammonia on-board vehicles, where the produced hydrogen is used as fuel source for an internal combustion engine. The present invention utilizes an electric catalyst unit operating in series with a heat exchange catalyst unit. The electric catalyst unit is used to initiate an ammonia cracking process on-board during a cold start or low load operating condition of the internal combustion engine, where the ammonia cracking process occurs in the heat exchange catalyst unit once exhaust gas from the internal combustion engine has been heated to a threshold temperature suitable to perform the ammonia cracking process.

Abstract: Operating an engine includes injecting one or more early pilot shots of a liquid fuel containing methanol (MeOH) into a cylinder in an engine, and moving a piston in the cylinder from a bottom-dead center position toward a top-dead center position. Operating an engine further includes forming hydrogen peroxide (H2O2) in the cylinder from the MeOH of the early pilot shots, injecting a main shot of a liquid fuel into the cylinder, and hastening combustion of the liquid fuel of the main shot in the cylinder via hydroxyl (OH) radicals formed from dissociation of the H2O2. Injection of the one or more early pilot shots at appropriate crank angle timing(s) associated with suitable temperature ranges may promote desired reaction pathways according to a medium temperature combustion regime.

Abstract: The disclosure relates to a method for operating an internal combustion engine of a watercraft, in particular on inland waters, in which (i) in an electrolysis unit for the production of hydrogen, water is split into hydrogen and oxygen, (ii) a carbon dioxide sorption unit extracts carbon dioxide from the ambient air, (iii) the hydrogen and the carbon dioxide are fed to a methanol synthesis unit for the production of methanol, and are synthesized therein to methanol, (iv) a photovoltaic unit absorbs solar energy and converts it into electrical energy. The electrolysis unit, the carbon dioxide sorption unit and the methanol synthesis unit are powered by the electrical energy generated in the photovoltaic unit. The methanol produced is transported by means of a distributor system to at least one tank of the watercraft, and is fed from the tank as required to the internal combustion engine, and therein is combusted to generate mechanical energy.

Abstract: A caravanning vehicle system includes a lead vehicle having an engine and at least one trailing vehicle having an electric motor. The at least one trailing vehicle is non-mechanically connected to the lead vehicle. The lead vehicle includes a power transfer system that is configured to transfer electric power, wirelessly, to the at least one trailing vehicle.

Abstract: A pressure compensating system (1) for a dual fluid flow system, wherein the pressure compensating system (1) comprises: a fluid pipe (3) having a first fluid pipe portion (3a) and a second fluid pipe portion (3b), wherein the first fluid pipe portion (3a) has a first fluid inlet (5a) and a first fluid outlet (7a) for a first fluid flow (O2), wherein the second fluid pipe portion (3b) has a second fluid inlet (5b) and a second fluid outlet (7b) for a second fluid flow (H2) separate from the first fluid flow (O2), and a pressure compensator (11) arranged in the fluid pipe (3), separating the first fluid pipe portion (3a) and the second fluid pipe portion (3b), wherein the pressure compensator (11) is configured to move in the fluid pipe (3) between the first fluid outlet (7a) and the second fluid outlet (7b) to thereby at least partially obstruct one of the first fluid outlet (7a) and the second fluid outlet (7b) in response to a pressure differences between the first fluid pipe portion (3a) and the second flu

Abstract: An internal combustion engine system is described herein. The system uses reactor to create pilot fuel from the primary fuel to assist in the ignition of the primary fuel. A controller is used to maintain an operational range of a level of the pilot fuel in an accumulator. The accumulator acts as a buffer to allow the engine to continue to receive the pilot fuel during dynamic and changing conditions of the engine. The controller increases or decreases the rate of production of the pilot fuel by a pilot fuel system to maintain the operational range of the level of the pilot fuel in the accumulator. The controller can receive inputs such as pilot fuel level or power signals from the engine to adjust the rate of production of the pilot fuel to meet engine demand.

Abstract: A hydrogen supplying device includes a liquid hydrogen pump, an evaporator, a pressure chamber configured to be filled with hydrogen gas flowing therein from the evaporator and to supply the filled hydrogen gas to a hydrogen engine, and a pump control unit configured to adjust a discharge flow rate of the liquid hydrogen pump based on both a flow rate of hydrogen to be supplied to the hydrogen engine and an actual pressure in the pressure chamber.

Abstract: A method and apparatus for liquefying a feed gas stream comprising natural gas and carbon dioxide. A method includes compressing an input fluid stream to generate a first intermediary fluid stream; cooling the first intermediary fluid stream with a first heat exchanger to generate a second intermediary fluid stream, wherein a temperature of the second intermediary fluid stream is higher than a carbon dioxide-freezing temperature for the second intermediary fluid stream; expanding the second intermediary fluid stream to generate a third intermediary fluid stream, wherein the third intermediary fluid stream comprises solid carbon dioxide; separating the third intermediary fluid stream into a fourth intermediary fluid stream and an output fluid stream, wherein the output fluid stream comprises a liquefied natural gas (LNG) liquid; and utilizing the fourth intermediary fluid stream as a cooling fluid stream for the first heat exchanger.

Abstract: A hydrogen fueled powerplant including an internal combustion engine that drives a motor-generator, and has a two-stage turbocharger, for an aircraft. A control system controls the operation of the motor-generator to maintain the engine at a speed selected based on controlling the engine equivalence ratio. The control system controls an afterburner, an intercooler and an aftercooler to maximize powerplant efficiency. The afterburner also adds power to the turbochargers during high-altitude restarts. The turbochargers also include motor-generators that extract excess power from the exhaust.

Abstract: A method of recovering performance of a water electrolysis system is a method of recovering performance of a water electrolysis system which includes a water electrolysis stack having a solid polymer membrane, a positive electrode, and a negative electrode, the method including the steps of: bringing an operating state of the water electrolysis system into a state of low-temperature operation in which a temperature of water is lower than a temperature of water during ordinary operation in which water electrolysis is carried out by the water electrolysis stack; and in the state of the low-temperature operation, passing an electric current through each of the positive electrode and the negative electrode.

Abstract: A starter battery system for an air cooled engine rated at less than 50 horsepower. The system includes four lithium iron phosphate cells and a charging circuit configured to be powered by rotation of an air cooled engine. A voltage developed by the charging circuit is applied to the four lithium iron phosphate cells without battery management circuitry provided between the charging circuitry and the four lithium iron phosphate cells. An engine which includes at least one piston, a rotatable crankshaft coupled to the at least one piston, a starter motor configured to selectively initiate rotation of the crankshaft, a lithium-ion battery in electrical communication with the starter motor, the lithium-ion battery having at least one cell, and a charging system configured to be powered by motion of at least one component of the engine. The charging system is configured to continuously apply a voltage potential to the at least one cell while the engine is in a running condition.

Abstract: Disclosed is an ammonia-hydrogen blended fuel control system based on reactivity regulation. The control system comprises a vehicle-mounted ammonia-hydrogen fuel supply system, an ammonia-hydrogen blended fuel premixed combustion engine and an ECU (Electronic Control Unit). The ECU is used for regulating the air injection amount and pressure value of ammonia fuel and hydrogen waiting to enter the ammonia-hydrogen blended fuel premixed combustion engine. The vehicle-mounted ammonia-hydrogen fuel supply system comprises a low-pressure liquid ammonia supply unit and a vehicle-mounted hydrogen production unit, and is used for providing the prepared low-pressure ammonia fuel and hydrogen for the ammonia-hydrogen blended fuel premixed combustion engine. The ammonia-hydrogen blended fuel premixed combustion engine comprises a turbulent jet ignition device provided with a pre-chamber. An ammonia injector and a first hydrogen injector which face the cylinder head are respectively arranged on the air inlet pipe.

Abstract: Methods and systems for improved generation of hydroxy gas are presented. In one embodiment, a hydroxy gas generator is provided that includes a gas generation chamber that contains water and anode-cathode pairs. The anode-cathode pairs may be configured to generate hydroxy gas using a continuously-flowing supply of water. The hydroxy gas generator may also include a water structuring device that reduces the surface tension of the continuously-flowing supply of water. The water structuring device may also magnetically orient the molecules of the continuously-flowing supply of water. The hydroxy gas generator may further include a gas isolation system for extracting hydroxy gas from the gas generation chamber.

Abstract: An interface circuit assembly for use with an electronic control unit and oxygen sensor of an internal combustion engine. The assembly includes an input port coupled to receive a signal from the oxygen sensor and a processing unit coupled with the input port. The processing unit increases the signal to an output voltage as a function of hydrogen being provided to the internal combustion engine. An output port is coupled with the processing unit and provides the output voltage to the electronic control unit.

Abstract: Operating a gaseous hydrogen fuel engine includes controlling an injection timing of a gaseous hydrogen fuel injected into a flow of pressurized intake air so as to produce a leading cooling flow of pressurized intake air into a cylinder in an engine, a trailing purging flow through an intake conduit, and a middle flow of both pressurized intake air and gaseous hydrogen fuel into the cylinder. Undesired combustion such as preignition and/or backfire can be limited. Related apparatus and control logic is also disclosed.

Abstract: Various methods and systems are provided for using only hydrogen as fuel in a duel fuel engine. In one example, a method may include direct injecting only hydrogen as fuel to one or more engine cylinders and compression igniting the injected hydrogen.

Abstract: A hydride flow reactor includes a tank configured to receive a hydride fuel. The reactor also includes a tubular member coupled to the tank and configured to receive the hydride fuel from the tank. The reactor also includes a transporter positioned at least partially within the tubular member and configured to transport the hydride fuel through the tubular member. The reactor also includes a heater positioned at least partially around the tubular member and the transporter. The heater is configured to heat the hydride fuel in the tubular member to convert the hydride fuel into hydrogen gas and a reacted byproduct.

Abstract: The ignition characteristics of a fuel are adjusted using a unit which has a distribution zone, a oxidation zone and a conversion zone. Fuel is distributed in the distribution zone having a distribution structure. A portion of the fuel is oxidised in the oxidation zone with a oxidising agent on a catalyst on a catalyst carrier, and a portion of the distributed fuel and/or of another supplied fuel is thermally and/or catalytically converted in the conversion zone. The ignition characteristics of the fuel are adjusted via: the molar ratio of oxygen included in the oxidising agent to the oxygen required for the complete oxidation of the fuel provided; and/or via the pressure in the unit; and/or the dwell time; and/or the temperature. Exhaust emissions, in particular NOx and soot emissions, can be lowered.

Abstract: A hydrogen-oxygen gaseous fuel generating equipment applied to internal combustion engines including a hydrogen and oxygen gas (H2-O2) generation circuit having a main water tank with at least one outlet duct of the fluid to a set of plates and conducted the fluid to a section of supply pipe to an input connector of an electrolyzer equipment associated with a pair of connector terminals, powered by an electrical energy source defined by a set having an electric accumulator, as a power supply of the set of plates where a mixture of oxygen hydrogen is extracted is derived to the decanter tank where it is separated from the water and the oxygen gas is ready for injection into the motor.

Abstract: A component for a vehicle that can be operated with a combustible operating gas has a first component element which has or forms an at least partially open or free cavity, and a second component element which is designed as a displacement component and at least partially fills the cavity of the first component element.

Abstract: A stator of a directly driven wind power generator includes a stator support including flanges with bores and stator segments positioned on the flanges, when viewed in a circumferential direction. Each stator segment includes a segment support having recesses. At least two securing devices for each of the stator segments secure the stator segment to the flanges. Each securing device includes a bore part insertable in a corresponding one of the recesses, a shim, and an alignment pin insertable in a corresponding one of the bores of the flanges, so that the stator segment is positioned and secured vertically via the bore part and the alignment pin and via the shim to thereby realize a uniform air gap between the stator and a rotor of the wind power generator.

Abstract: Operating a gaseous fuel engine system includes spark-igniting a gaseous hydrogen fuel and air in a prechamber sparkplug to ignite a main charge containing gaseous hydrogen fuel and air in a cylinder. Operating the gaseous fuel engine system also includes determining a preignition condition and conveying cooling air to the prechamber sparkplug based on the preignition condition to limit preignition of gaseous hydrogen fuel and air in the prechamber sparkplug. Related apparatus and control logic is also disclosed.

Abstract: Various embodiments for a hydrogen zero emissions vehicle that utilizes hydride storage of hydrogen and buffering of hydrogen for high demand power are disclosed.

Abstract: An internal combustion engine system includes an internal combustion engine, a turbocharger, and a flow ratio adjustment device including a branch configured to divide the compressed into first compressed air and second compressed air and a valve device configured to adjust a flow rate of the first compressed air and a flow rate of the second compressed air. The system additional includes a reformer configured to discharge first generated as a result of a reaction between the first compressed air and the fuel gas, a junction configured to generate second gas including the first gas and the second compressed air, an air-fuel mixture generator configured to generate an air-fuel mixture including the second gas and the fuel gas, and a controller configured to determining a ratio of the flow rate of the first compressed air based on the temperature of the air-fuel mixture.

Abstract: Gasifiers, gasification systems, and methods for producing synthesis gas are disclosed. A gasifier can include a gasifier body. A feeder can be positioned to feed an organic material into the gasifier body. A pulse detonation burner can be located under or above the gasifier body and connected to the gasifier body to direct supersonic shockwaves upward into the gasifier body to heat the organic material and to form a jet spouted bed of the organic material or to operate as an entrained flow reactor. An outlet can be located at the gasifier body to allow removal of synthesis gas, residual ash, and other reaction products.

Abstract: Methods and systems are provided for an exhaust system. In one example, a method includes heating an aftertreatment device during an engine off. The heating includes utilizing one or more of an injector, a heater, and a recirculation fan.

Abstract: An internal combustion engine for use with hydrogen fuel, the engine having at least one cylinder assembly which includes a combustion chamber having a cylinder, a cylinder head and a reciprocating piston assembly, the cylinder defining a cylinder longitudinal axis; a fuel injector for injecting fuel into the combustion chamber, the fuel injector defining an injector longitudinal axis; and a fuel flow director, wherein the fuel flow director is located in the fuel flow path between an outlet of the fuel injector and the combustion chamber. The fuel injector is oriented such that the injector longitudinal axis extends at a first angle; and the fuel flow director is configured to direct fuel flow into the combustion chamber at a second angle, different to the first angle.

Abstract: An engine system includes an engine having a combustion chamber, an intake gas passage through which air to be supplied to the combustion chamber flows, an exhaust gas passage through which exhaust gas generated from the combustion chamber flows, a reformer configured to reform the fuel to generate a reformed gas containing hydrogen, a gas supply passage through which air to be supplied to the reformer flows, a bypass passage connected to the gas supply passage and the exhaust gas passage so as to bypass the reformer and through which the fuel having passed through the reformer is circulated to an upstream of the reformer, and a switching valve switched between a normal position that does not allow the fuel having passed through the reformer to flow to the bypass passage and a circulating position that allows the fuel having passed through the reformer to flow to the bypass passage.

Abstract: The present invention is to provide a system for producing hydrogen gas to supply internal combustion engines, comprising a controller, an internal combustion engine, an electric system of transportation vehicle, a fuel supply unit, an exhaust sensor, a battery management system, and an electrolysis system. The system saves fuel, almost completely reduces the number of harmful emissions released into the environment, cools the internal combustion engine, and clears residue inside the internal combustion engine. In addition, the invention also provides a method for producing hydrogen gas to supply internal combustion engines.

Abstract: Methods and systems are provided for injecting gaseous fuel during an engine start. In one example, a method comprises generating gaseous fuel via a fuel gasification device and injecting the gaseous fuel via a fuel injector. The fuel injector is configured to inject adjacent to an ignition device.

Abstract: Described are methods for shortening the combustion delay of ammonia fuels and reducing the amount of NO formed during the combustion process. The methods include mixing ammonia with hydrogen peroxide and water to form a fuel mixture and then combusting the fuel mixture. Methods of powering an internal combustion engine with ammonia fuels are also described.

Abstract: A system for stowable propulsion in an electric aircraft that includes at least a propulsor mounted on at least a structural feature that includes at least a rotor and at least a motor mechanically coupled to the at least a rotor, where the motor is configured to cause the rotor to rotate as a function of an activation datum, at least a sensor communicatively coupled to the at least a propulsor configured to detect a position datum as a function of the configuration, generate a clearance datum as a function of the position datum, transmit the clearance datum to a flight controller, and a flight controller communicatively coupled to the at least a propulsor and the at least a sensor configured to receive the clearance datum from the at least a sensor and generate the activation datum as a function of the clearance datum.

Abstract: An exhaust heater system includes an exhaust heater and an air supply tube disposed within the exhaust heater. Relatively hot exhaust gas from an engine is directed into the exhaust heater, whereby heat from the exhaust heats the interior of the air supply tube. The heat partially vaporizes liquid methanol injected into the air supply tube. To control the amount of heating, the exhaust can be directed to the air supply tube as well as an exhaust bypass, whereby exhaust directed to the exhaust bypass does not heat the interior of the air supply tube.

Abstract: A starter-generator module for a vehicle includes a bulkhead wall, a module housing fixed to the bulkhead wall, an e-motor stator fixed to the module housing, an e-motor rotor disposed radially inside of the e-motor stator, and a power electronics unit fixed to the module housing. The module housing has a first opening and the power electronics unit covers the first opening. The e-motor rotor has a rotor carrier arranged for fixing to a crankshaft of the internal combustion engine. In an example embodiment, the rotor carrier includes holes arranged for receiving respective fasteners for fixing the rotor carrier to an engine crankshaft, and a bolt circle diameter of the holes is less than an inside diameter of the first opening. In an example embodiment, the rotor carrier is fixed to a crankshaft by a bolt, and the first opening is arranged for receiving a tool to secure the bolt.

Abstract: A system for treating excrement of livestock includes: reduced-pressure fermentation drying equipment configured to store excrement of livestock in an airtight container, heat and stir the excrement of livestock under reduced pressure so that a temperature of the excrement of livestock is within a predetermined temperature range, decompose organic components of organic matter using microorganisms, and obtain volume-reduced dried product; and heat source equipment that is provided on a downstream side of the reduced-pressure fermentation drying equipment and generates a heat source by combusting the obtained volume-reduced dried product.

Abstract: Process control parameters for production of hydrogen and FT products by steam/CO2 reforming include controlling steam reformer temperature, addition of steam, CO and optionally, biogas. Optimization of parameters have resulted in increased production of H2, removal of sulfur and halogen contaminants, and control of the H2/CO ratio for efficient generation of Fischer-Tropsch products.

Abstract: A layered solid formulation (100a) as one hydrogen supply material (200) according to the present invention includes silicon fine particles having a capability of generating hydrogen and aggregates of the silicon fine particles, and a physiologically acceptable medium (90b) that gets contact with the silicon fine particles or the aggregates thereof. The hydrogen supply material (200) is a hydrogen supply material for bringing the hydrogen into contact with the skin and/or the mucous membrane through the medium (90b).

Abstract: An engine system includes: an ammonia engine; a reforming device that has a reforming catalyst for cracking ammonia gas into hydrogen and configured to reform ammonia gas to generate reformed gas containing hydrogen; and a control unit. The control unit includes: a purge controller configured to control a reforming injector so as to be closed and control a reforming throttle valve so as to be opened, after an ignition switch gives an instruction of a stop of the ammonia engine; and an engine stop controller configured to control main injectors so as to be closed, after the ignition switch gives the instruction of the stop of the ammonia engine.

Abstract: Aspects relate to zero-emission propulsion systems and generators using ammonia (NH3) as fuel for engines and power plants. While ammonia has poor flammability, mixing hydrogen with ammonia (NH3) may improve flammability and thus facilitate the ignition of an air/ammonia mixture in engines or power plants. Alternatively, hydrogen (H2) may be supplied in a separate fuel system as a pilot fuel for pilot ignition of an air/ammonia mixture. Hydrogen can also be used in air independent systems along with oxygen (O2) from an oxygen tank. In addition to hydrogen, other bio or fossil fuels can be used as pilot fuel for pilot ignition of an air/ammonia mixture. An advantage of using existing bio or fossil fuels for pilot ignition is that engines or power plants will have a pilot fuel system with sufficient capacity to maintain normal operations if ammonia is not available.

Abstract: An engine system includes: an ammonia engine; a reforming device that has a reforming catalyst for cracking ammonia gas into hydrogen and configured to reform ammonia gas to generate reformed gas containing hydrogen; and a control unit. The control unit includes: a purge controller configured to control a reforming injector so as to be closed and control a reforming throttle valve so as to be opened, after an ignition switch gives an instruction of a stop of the ammonia engine; and an engine stop controller configured to control main injectors so as to be closed, after the ignition switch gives the instruction of the stop of the ammonia engine.

Abstract: The invention provides a cogeneration system capable of adjusting a heat-to-electric power ratio not only in an increasing direction, but also in a decreasing direction. The cogeneration system includes: a power generation device configured to supply electric power; a first heat exchanger configured to exchange heat between exhaust of the power generation device and water, so as to lower a temperature of the exhaust and obtain steam from the water; a reformer configured to generate a reformed gas by the steam reacting with a fuel; a second heat exchanger configured to cool the reformed gas generated by the reformer by heat exchanging; a reformed gas supply device configured to supply the reformed gas cooled by the second heat exchanger to the power generation device; a distributor configured to supply the steam to at least one of the reformer and a heat utilization device; and a control device configure to adjust a heat-to-electric power ratio by changing a supply destination of the steam in the distributor.

Abstract: A fuel reforming system includes a fuel injection device capable of injecting fuel into an EGR passage, a reforming catalyst provided in the EGR passage, an oxidation catalyst provided in the vicinity of the reforming catalyst in the EGR, and an air supply device that supplies air to the EGR passage. When clogging occurs in the reforming catalyst and a temperature of the reforming catalyst is less than a first temperature, air is supplied to the EGR passage by the air supply device, and fuel is injected by the fuel injection device. When clogging occurs in the reforming catalyst and the temperature of the reforming catalyst is greater than or equal to the first temperature, air is supplied to the EGR passage by the air supply device, and fuel injection of the fuel injection device is stopped.