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JP2023015869A |
To improve energy efficiency of an onshore plant using ammonia as fuel.An ammonia fuel supply facility comprise: a floating body floating on water; an ammonia tank provided in the floating body, and for storing liquid ammonia; an ammonia...
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JP7215443B2 |
To suitably detect fuel properties.A fuel property detection device for detecting properties of fuel of an internal combustion engine 1, which is natural gas, includes: a first sensor 51 disposed in a fuel passage 50 and configured to de...
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JP7215444B2 |
To suitably detect fuel properties.A fuel property detection device CD for detecting properties of fuel of an internal combustion engine, which is natural gas supplied from an LNG tank 50, includes: a CNG tank 70 storing natural gas as C...
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JP7212149B2 |
The invention relates to an assembly for evaporating liquid gas for providing combustion gas for a motor, comprising a combustion gas supply line (2) which connects a liquid gas tank to the motor, an evaporator (3) which is arranged in t...
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JP2023006061A |
To provide an engine system capable of early starting a reforming section while securing reforming performance of the reforming section regardless of a state of an ambient environment.An engine system 1 includes: a reforming section 18 g...
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JP2023006120A |
To provide an engine system capable of early starting a reforming section while securing reforming performance of the reforming section regardless of a state of an ambient environment.An engine system 1 includes: a reforming section 18 g...
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JP2022554206A |
The present invention relates to a method for supplying oxygen to an internal combustion engine operating on hydrogen. In this case, an inert gas, preferably argon, is also passed through the circuit. The object of the present invention ...
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JP2022191833A |
To provide a methane number estimation device, a gas engine control device, and a methane number estimation method, which can estimate a methane number without using a special sensor during operation of a gas engine.A methane number esti...
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JP2022174084A |
To provide a system and/or method for use with an internal combustion engine, which assist in attaining more perfect combustion of hydrocarbon fuel, reduced emissions and/or excellent fuel economy, or otherwise improves a certain index o...
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JP7171002B1 |
A composite marine mixed power system based on an ammonia-hydrogen drive including a liquid ammonia feeder, an ammonia fueled power plant, a hydrogen fueled power plant, a ship main busbar and a transmission case. A liquid ammonia tank i...
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JP2022163635A |
To provide an efficient biomass fuel utilization system that can use much biomass fuel.A biomass fuel utilization system related to one embodiment includes: a gasification device that generates biogas from biomass; a biogas power generat...
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JP7160226B1 |
A combustion chamber and a fuel injection means for introducing fuel oil and gaseous ammonia into the combustion chamber as an ignition source, wherein the fuel oil and gaseous ammonia are injected into the combustion chamber by the fuel...
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JP7159430B2 |
To reduce gas slip in a low pressure two-stroke uniflow scavenged internal combustion engine.There is disclosed a two-stroke uniflow scavenged crosshead internal combustion engine comprising at least one cylinder, a cylinder cover, a pis...
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JP2022158598A |
To provide a vessel using LPG as cargo and propulsion fuel, which can eliminate a volume shortage of a fuel tank and/or increase a volume of a cargo tank.This vessel comprises: a fuel tank that stores LPG as fuel for a main machine; a ca...
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JP7148593B2 |
The two-stroke internal combustion engine has an engine crankcase including a sealing mechanism that, at all times and under all circumstances, confine the oil in the lower crankcase. The two-stroke engine uses a gaseous fuel based on di...
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JP2022146785A |
To provide a gas fuel injection valve which can prevent the generation of a lateral displacement between a bottom face and an apex face of an annular cushion member when the rubber-made cushion member receives a compression load between ...
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JP7146538B2 |
To provide a compressor which does not require oil supply at each compression stage and does not mix lubrication oil with gas after a final compression stage, and an LNG tanker to which the compressor is mounted.A compressor 1 compresses...
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JP2022135399A |
To provide a natural gas engine and a natural gas engine system that can improve fuel economy.A natural gas engine comprises a cylinder, and a plurality of intake ports connected to the cylinder. A mixture of natural gas and intake air i...
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JP7133819B1 |
A hydrogen supply system and a hydrogen supply method are provided that can effectively utilize solar energy to safely and efficiently supply hydrogen as an energy source. [Solution] The hydrogen supply system 100 includes a formic acid ...
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JP7132284B2 |
Provided is a large two-stroke turbocharged single flow scavenging internal combustion engine using gaseous fuel as the main fuel and having one or more combustion chambers divided by a cylinder liner (1), a piston (10) and a cylinder co...
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JP7129339B2 |
An HHO gas second fuel is produced in a pressure-resistant container and distributed at a low volumetric rate at multiple locations about the internal combustion engine.
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JP7115192B2 |
To provide a control device for a natural gas engine capable of efficiently supplying boil-off gas to improve knocking resistance.A control device 100 for a natural gas engine includes: a first tank 21 for storing liquefied natural gas; ...
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JP2022113008A |
To provide a ship which effectively utilizes an excessive portion of boil off gas (BOG) without using a re-liquefaction device and using the BOG in a main engine as a fuel.A ship 1A according to one embodiment includes: a tank 2 for stor...
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JP2022113009A |
To provide a ship which can effectively utilize an excessive portion of boil off gas (BOG) without using a re-liquefaction device.A ship 1 includes: a tank 2 for storing LNG; a motor 6 which drives a propulsive propeller 11; and an engin...
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JP7109721B2 |
A method for the destruction of a target gas, the method including: a) compressing at a first pressure a mixture of air and target gas to produce a compressed target gas mixture; b) destroying the target gas by combusting the compressed ...
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JP7108017B2 |
Disclosed is a boil-off gas reliquefaction system for vessels. The BOG reliquefaction system for vessels includes: a multistage compressor compressing BOG; a heat exchanger cooling the BOG compressed by the multistage compressor through ...
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JP7100041B2 |
The present invention relates to a system and a method for supplying a fuel in a liquefied natural gas fueled ship to which an engine using liquefied natural gas as a fuel is applied, wherein a pump and a regasification facility are used...
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JP2022100247A |
To provide an operation method for a dual fuel large diesel engine, which reduces a heat load on a piston ring in a gas mode.According to the present invention, a large diesel engine can be operated in a liquid mode in which a liquid fue...
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JP2022094576A |
To provide a biogas engine system capable of removing water from engine oil.A biogas engine system 1 includes: a biogas engine 2 to which engine oil is supplied and that burns a biogas; a biogas generation section 3 generating the biogas...
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JP2022094574A |
To provide a biogas engine system having excellent energy efficiency.A biogas engine system 1 includes: a biogas engine 2 burning a biogas; a biogas generation section 3 generating the biogas by fermenting organic waste; a refrigerant ci...
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JP2022088928A |
To curb a defective start-up of an engine due to discharge of BOG while an engine is stopped.An engine control device, for an engine mounted with an LNG tank storing natural gas as fuel, comprises: an information device 61 which acquires...
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JP7079890B1 |
To provide an operating method of an engine in which mixing of ammonia gas and air is promoted in a cylinder. The hydrogen gas simultaneously supplied into the cylinder together with the fuel gas ignites with the ignition of the ammonia ...
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JP7078204B2 |
The liquefied-gas-fueled ship is provided with a fuel oil tank 14 for storing fuel oils such as heavy oil and a liquefied gas fuel tank 22 for storing liquefied gas fuel such as LNG. A main engine is operable by means of co-combustion of...
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JP7074103B2 |
An ECU (10) in this ammonia engine (100) executes: first control in which, when a start-up signal is input, the degree of opening of a reforming throttle (32) is complete closure, and the degree of opening of a stop valve (38) is a prede...
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JP2022073428A |
To provide an operating method for an engine enabling promotion of mixing of fuel gas and air in a cylinder.Fuel gas supplied into a cylinder of a diesel engine is ignited and burned along with pressure increase or through injection igni...
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JP2022073643A |
To provide a controller of an internal combustion engine capable of estimating a composition of natural gas fuel with an inexpensive system.A controller of an internal combustion engine comprises: a reference fuel recording unit 61 that ...
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JP2022063214A |
To mitigate abnormal combustion by improving combustion in a hydrogen fueled internal combustion engine.A method for operating a hydrogen-fueled internal combustion engine 1 comprises the following steps: providing an internal combustion...
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JP7054466B2 |
To detect it exactly if the state of a vehicle is under operation of fuel filling by detecting a connection state of a gas filling nozzle.A nozzle connection detection device 20 comprises a movable plate 21 and a detection switch 22. Low...
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JP2022045953A |
To provide a gas engine for jetting water to reduce a temperature of combustion chamber gas, which can suppress boosting capacity required for a water boosting pump, or can omit a water boosting pump.A gas engine comprises: a cylinder; a...
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JP2022041381A |
To realize a natural gas automobile with high fuel consumption while being equipped with a desired braking force.A natural gas automobile 1 is equipped with a brake booster 14 amplifying the tread force of a brake pedal 12, an EGR device...
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JP7033616B2 |
System for adapting an internal combustion engine to be powered by gaseous fuel in gas phase and by gaseous fuel, an internal combustion engine arrangement comprising the system and a method for adapting an internal combustion liquid fue...
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JP7030822B2 |
A sparked reciprocating internal combustion two-stroke steam engine including an engine casing, a crankshaft rotatable about a crankshaft axis, a cylinder arranged inside the engine casing, a piston 1 arranged inside the cylinder to mova...
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JP2022516202A |
The system comprises an opposed piston engine. The piston (1) is composed of a top piston (1a), a spring (1b), and a bottom piston (1c). The cylinder (3) has an inlet channel (8), an outlet channel (10), a fuel injection device (12), a s...
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JP7002272B2 |
A precombustion chamber gas engine includes a main-chamber forming portion forming a main combustion chamber, and a precombustion-chamber forming portion forming a precombustion chamber communicating with the main combustion chamber via ...
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JP7013529B2 |
In regard to a large two-stroke turbocharging uniflow scavenged internal combustion engine having the entire combustion chamber group divided into a cylinder liner (1), a piston (10) reciprocated between a BDC and a TDC and a cylinder co...
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JP7005863B2 |
To provide a vaporizer capable of preventing deformation damage caused by thermal stress.A vaporizer includes a flow passage laminated body 1 formed by laminating liquefied gas flow passage layers 6 each having a liquefied gas flow passa...
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JP2022011720A |
To provide a propulsion mechanism which is a simpler structure than before and capable of stably operating in a propulsion mechanism of a DF engine driven by selecting a diffusing combustion and a premixed combustion, and of an electric ...
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JP2022008272A |
To provide a two-stroke internal combustion engine that reduces the amount of exhaust gas and has a fuel system with high reliability.An engine is equipped with at least on cylinder, a cylinder cover, a piston, a fuel gas supply system, ...
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JP2022001762A |
To create a new type of gas supply system for a gas engine or a dual-fuel engine, and a method for operating the system.A gas supply system comprises: a gas regulating station for supplying, in a gas fuel operating mode, the fuel to an e...
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JP6982439B2 |
A ship that comprises: a fuel supply line that supplies LPG from a fuel tank to an engine; a pump and a shutoff valve that are provided to the fuel supply line; a fuel recovery line that recovers LPG from the engine to the fuel tank; a b...
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