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WO/2019/076524A1 |
The invention relates to an injector (1) for metering liquid and gaseous fuel, comprising an injector body (2) in which a pressure chamber (3) is formed that can be filled with gaseous fuel, wherein a piston-shaped outer nozzle needle (5...
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WO/2019/079000A1 |
Spark ignition engine operation at higher RPM so as to reduce alcohol requirements in high efficiency alcohol enhanced gasoline engines is disclosed. Control of engine upspeeding (use of a higher ratio of engine RPM to wheel RPM) so as t...
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WO/2019/072457A1 |
The invention relates to a method for operating an internal combustion engine, according to which a gaseous fuel is injected, under high pressure, into a combustion chamber (2) of the internal combustion engine (2), by means of a dual-fu...
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WO/2019/068321A1 |
The invention relates to an injection valve for metering two fuels, comprising a nozzle body (1), in which a nozzle hollow needle (4) is arranged for longitudinal sliding, which nozzle hollow needle interacts with an outer nozzle seat (6...
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WO/2019/066091A1 |
Disclosed is an engine operating method for a ship having multiple engines installed therein. The ship engine operating method comprises a step wherein, if the load demand of a ship is equal to or greater than 90% and equal to or less th...
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WO/2019/066092A1 |
Disclosed is a ship engine operating method. The ship engine operating method comprises: the first step for varying the gas ratio from 0 to 100% for a first engine at the current load, and determining the gas consumption for each gas rat...
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WO/2019/057387A1 |
The invention relates to a nozzle assembly (1) for a fuel injector, by means of which a gaseous fuel can be injected into a combustion chamber (2) of a combustion engine, comprising a nozzle body (3) which surrounds a gas compartment (4)...
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WO/2019/057541A1 |
The present invention concerns, in particular, a device (10) and a method for supplying gas with methane number optimised for at least one heat engine (12), in particular of a ship for transporting liquefied gas, characterised in that it...
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WO/2019/059015A1 |
Provided is an internal combustion engine with which it is possible to achieve normal combustion of a lean fuel-air mixture generated from a reformed fuel, over a wide operating range. This internal combustion engine (1) comprises: opera...
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WO/2019/059014A1 |
Provided is an internal combustion engine with which it is possible to achieve normal combustion of a lean premix generated by reformed fuel, over a wide operating range. This internal combustion engine (1) is equipped with a fuel-reform...
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WO/2019/051406A1 |
Some embodiments of the present disclosure include a system for allowing spark ignition fuel injected engines to function on a plurality of fuels. The system may include an engine system including an engine control module (10) operativel...
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WO/2019/048134A1 |
A fuel-conveying device (1) for a fuel injection device of an internal combustion engine, having a gas tank (2) for receiving a gaseous fuel, wherein the gaseous fuel can be conveyed by a pump (3) out of the gas tank (2) into a high-pres...
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WO/2019/049878A1 |
An engine control system 200 is provided with: a delay estimation unit 232 which estimates a self-ignition delay on the basis of a first parameter including a fuel gas composition; a self-ignition prediction unit 234 which predicts a sel...
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WO/2019/049362A1 |
A four-stroke dual-fuel engine (1) that is for propelling a ship and that operates by switching between a gas mode, in which a gas fuel speed-regulating control is carried out using a gas fuel as a primary heat source, an assist mode, in...
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WO/2019/049629A1 |
This electric power generation system is provided with: a fuel gas supply device 13 which controls the methane concentration and the carbon dioxide concentration, in a mixed gas MG containing methane and carbon dioxide, so as to fall wit...
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WO/2019/048454A1 |
The invention relates to a method for operating a gas engine having at least one combustion chamber, in particular for a motor vehicle, wherein a gaseous fuel is injected directly into the combustion chamber in order to operate the gas e...
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WO/2019/045539A1 |
The present invention provides a dual fuel device. The dual fuel device according to the present invention comprises an air-gas mixer (32) for mixing, with air, a gas fuel, such as liquefied natural gas (LNG) or liquefied petroleum gas (...
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WO/2019/039365A1 |
A diesel engine for a vessel according to an aspect of the present invention is provided with: an engine body that converts piston reciprocation, brought about by combustion of fuel in a cylinder, into a rotational motion of a rotary sha...
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WO/2018/105521A9 |
The present invention relates to a combustion engine (1) comprising: a combustion chamber (4) in which an air-fuel mixture can be ignited, and a control device (24) capable of adjusting a factor (air-fuel ratio) of the combustion engine ...
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WO/2019/035718A1 |
The present invention relates to a zero emission propulsion system and generator sets using ammonia (NH3) as fuel for engines and power plants such as steam boilers (5) for steam turbines (7), piston engines (9), fuel cells (10) or Stirl...
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WO/2019/021040A1 |
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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WO/2019/018578A1 |
In certain embodiments, Lube Oil Controlled Ignition (LOCI) Engine Combustion overcomes the drawbacks of known combustion technologies. First, lubricating oil is already part of any combustion engine; hence, there is no need to carry a s...
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WO/2019/015844A1 |
The invention relates to a method and to a device for increasing the possible compression ratio of internal combustion engines of motor vehicles in the case of varying fuel quality in an internal combustion engine having a combustion cha...
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WO/2019/017060A1 |
Provided is a control device which is for an internal combustion engine that uses a fuel containing alcohol, and which is capable of ensuring a stable and good combustion state after the internal combustion engine is cold-started. The pr...
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WO/2019/008781A1 |
[Problem] Stratified charge combustion in which fuel is injected into a conventional combustion chamber exhibits the problem that the fuel cannot be efficiently and reliably collected in the vicinity of an ignition portion of the combust...
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WO/2019/002520A2 |
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WO/2019/002519A1 |
The invention relates to the use of a diesel injection device (10) for injecting oxymethylene ether (OME) into a combustion chamber of an internal combustion engine. A nozzle (36) is designed so that for a predefined period of time, a fu...
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WO/2018/236263A1 |
The present disclosure relates to a method (300) for determining at least one combustion property of a two-phase fuel gas. The method comprises the step of providing (310) the fuel gas from substantially only a first of the two phases of...
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WO/2018/219776A1 |
The invention relates to a method for operating an internal combustion engine by means of a gaseous fuel that does not self-ignite or that is difficult to ignite, in which method the gaseous fuel is injected directly into a combustion ch...
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WO/2018/221525A1 |
A compression ignition engine that comprises: an engine main body (a diesel engine 1); a first fuel supply unit (a naphtha injector 19); a second fuel supply unit (a diesel fuel injector 18) that supplies a second fuel that has a lower p...
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WO/2018/221489A1 |
A compression ignition engine is provided with: a naphtha injector 19 that supplies naphtha to a combustion chamber 14a; a diesel fuel injector 18 that supplies diesel fuel having a higher boiling point than the naphtha; an ignition devi...
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WO/2018/221511A1 |
A compression ignition engine is provided with: a first fuel supply unit 19 that supplies naphtha; a second fuel supply unit 18 that supplies diesel fuel; EGR gas recirculation units 51, 51a that recirculate exhaust gas to a combustion c...
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WO/2018/215127A1 |
The invention relates to a method (100) for diagnosing a dual-fuel engine, for which a substitution specification (110) is known, which specifies, for at least one operating point of the dual-fuel engine, which second amount of a second ...
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WO/2018/212415A1 |
The present invention relates to a dual fuel direct-spray apparatus, and to a dual fuel direct-spray apparatus for, when supplying dual fuels by switching therebetween, supplying a selected fuel to a high-pressure pump by using the same ...
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WO/2018/210461A1 |
A method for operating a dual-fuel engine (1') with at least one cylinder (2), wherein, in a first operating mode of the dual-fuel engine (1'), only a readily ignitable fuel is introduced by means of a fuel injector (6) of a fuel supply ...
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WO/2018/204881A1 |
A method of detecting uncontrolled combustion in an internal combustion engine includes sampling in-cylinder pressure sensor configured to measure pressure in a cylinder of the engine and generate a pressure signal, calculating a combust...
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WO/2018/198436A1 |
The purpose of the present invention is to provide: an injection device that causes combustion by mixing water efficiently with engine fuel, and that can improve output; and a power device provided with the injection device. An injection...
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WO/2018/197180A1 |
The invention relates to a gas injection valve (3) for injecting a combustible gas into an internal combustion engine (1), comprising a valve element (5), which can be moved between closed position and an open position, the open position...
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WO/2018/199313A1 |
[Problem] To achieve a reduction in pumping loss and an improvement in output in a 6-cycle internal-combustion engine. [Solution] When a piston 14 is descending after intake, compression, pre-stage ignition and combustion have occurred, ...
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WO/2018/194510A1 |
Herein an internal combustion gas engine (2) is disclosed. The engine comprises a cylinder arrangement (4) and a first compressor (6) for compressing a gaseous fuel and air mixture. The at least one cylinder arrangement (4) forms a combu...
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WO/2018/189200A1 |
The invention relates to a method and to a corresponding device for starting an internal combustion engine designed for alcohol or a high content of alcohol in a mixed alcohol-gasoline fuel, an early starting ignition time point (ZZP_ST)...
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WO/2018/189415A1 |
The shut-off valve (2) for connecting a pressure sensor (1) to a fluid system of a piston engine is provided with an inlet (3), an outlet (4, 4a, 4b) and a fluid channel (5) for connecting the outlet (4, 4a, 4b) to the inlet (3), the val...
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WO/2018/189412A1 |
The disclosure relates to a control method for an internal combustion engine capable of using gaseous fuel as main fuel (1), based on fuel properties. An analysing unit (2) for analysing fuel properties of gaseous fuel is provided compri...
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WO/2018/177651A1 |
The invention relates to a method (100) for determining the methane index of a hydrocarbon-containing combustion gas mixture which has natural gas or biogas in particular, having the steps: allowing the combustion gas mixture to flow thr...
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WO/2018/183474A1 |
When a natural gas compressor completes its compression cycle, residual pressurized natural gas remains in the cylinders, valves, and conduits of the compressor. Gas leaks into the environment increasing greenhouse gas emissions and intr...
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WO/2018/176018A1 |
Engines, systems, devices, software, and methods of the present invention provide increased fuel efficiency and emission performance. The engine may include a magnesium alloy cast engine block cast as a mono-block with or without a ceram...
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WO/2018/167087A1 |
Disclosed is a valve needle (222, 322) for a needle valve (220) of a slurry fuel injector valve (200), the valve needle comprising: a tip (222a) for abutting a needle valve seat (221) of the needle valve; a sealing portion (222c) for loc...
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WO/2018/167085A1 |
A fuel supply valve (502, 822) for a slurry fuel injector valve (500, 800), the fuel supply valve comprising: a fuel inlet (802) for fluid communication with a slurry fuel reservoir; a fuel outlet (804) for fluid communication with a noz...
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WO/2018/167086A1 |
Disclosed is a slurry fuel injector valve (200), comprising: a fuel outlet valve (220) through which slurry fuel is able to exit the slurry fuel injector valve towards a combustion chamber of an engine; a pump cavity (230); a pump elemen...
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WO/2018/166613A1 |
Invention relates to method of controlling a multi-fuel internal combustion piston engine (12), comprising operating the multi-fuel internal combustion piston engine (12) in a dual fuel mode, wherein a first fuel incapable of compression...
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