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WO/2024/023683A1 |
There is described a method for mitigating the emissions of nitrogen oxides in a hydrogen spark-ignition internal combustion engine during a transient, the internal combustion engine comprising at least one intake valve and at least one ...
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WO/2024/022630A1 |
The present invention relates to a method for operating a gas injector for injecting a gaseous medium into a combustion chamber of an internal combustion engine, wherein a closing element can be brought from a closed position into an ope...
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WO/2024/018475A1 |
The present disclosure provides a flexi-fuel control unit (102), a system (100) and a method (500) for operating an engine (202) utilizing a flexi-fuel. The control unit (102) is configured to: receive input signals from sensors (106) an...
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WO/2024/013632A1 |
Internal combustion engine with hydrogen direct injection equipped with: - a cylinder head (100) equipped with at least one injector (20) configured to inject a spray (21) of hydrogen, - at least one piston (10) - a combustion chamber (4...
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WO/2024/008271A1 |
The present invention relates to a method for controlling the operation of a hydrogen combustion engine system (10) of a vehicle (1). The hydrogen combustion engine system (10) comprises a hydrogen combustion engine (15, 15') and an exha...
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WO/2023/248725A1 |
An ammonia engine system (10) comprises: a combustor (40) configured to generate a combustion gas by combusting ammonia mixed with air; a reforming catalyst (23b) configured to be warmed by the combustion gas; an ammonia engine (11) conf...
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WO/2023/242501A1 |
The present invention concerns the production of carbon-free thermal energy by reciprocating engines. It relates to a compression auto-ignition combustion method. This method is best implemented in a highly turbocharged 2-stroke cycle de...
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WO/2023/243923A1 |
The present invention relates to an apparatus for automatically controlling the fuel supply pressure and fuel atomization for an internal combustion engine of a vehicle and the like, and, more specifically, to an apparatus for automatica...
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WO/2023/243404A1 |
This internal combustion engine system comprises: an internal combustion engine; at least one fuel tank that accommodates a fuel gas in a compressed state; fuel gas piping that connects the fuel tank to the internal combustion engine; an...
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WO/2023/242611A1 |
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 e...
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WO/2023/240310A1 |
The radial cam engine described consists of a piston assembly arranged in a radial configuration. Within the engine, a piston moves back and forth within a cylinder during the internal combustion process. The piston is connected to a fol...
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WO/2023/243260A1 |
A processing circuit of this internal combustion engine system is configured: to execute first control for controlling a valve system and a compressor so as to pressurize fuel gas from a fuel storage source and to fill a charge tank with...
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WO/2023/234110A1 |
A combustor (40) has: a housing (41) having an open first end and a closed second end (41b); an introduction unit that introduces fuel and oxidizing gas into the housing (41) so that a tubular flow (F1) is generated within the housing (4...
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WO/2023/230344A1 |
A control system for an internal combustion engine includes a temperature sensor configured to measure an exhaust temperature from a cylinder of the internal combustion engine, a NOx sensor configured to measure an exhaust NOx amount fro...
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WO/2023/229897A1 |
A multi-fuel system and a method for supplying one or more fuels to an engine in a vehicle having a multi-fuel system are disclosed. Embodiments may determine a quantity of fuel added to one or more tanks, determine energy content and a ...
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WO/2023/227450A1 |
The invention provides a method of operating a hydrogen internal combustion engine (10) having at least one cylinder (11) with an intake valve (15) and a direct injector (19) for injecting hydrogen fuel directly into the cylinder (11). I...
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WO/2023/225693A1 |
Method for operating an internal combustion engine (1), wherein the internal combustion engine (1) is operated by an air-fuel mixture comprising a fuel mixture and air, wherein the fuel mixture comprises a first fuel, preferably natural ...
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WO/2023/225753A1 |
An apparatus for managing ignition in a chamber of an in-cylinder injector that introduces a fuel directly into a combustion chamber of an internal combustion engine. The chamber includes an injection hole in fluid communication with the...
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WO/2023/218294A1 |
An internal-combustion engine supplied with gaseous fuel, in particular hydrogen, comprises, for each cylinder (1), a first intake duct (3A) and a second intake duct (3B), controlled, respectively, by a first intake valve (VA) and a seco...
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WO/2023/215651A1 |
Operating an engine system (10) includes combusting a gaseous hydrogen fuel (H2) and a gaseous hydrocarbon fuel (HC) at a first substitution ratio in a cylinder (16) in an engine (12), determining at least one of an H2 fueling command or...
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WO/2023/208417A1 |
An aftertreatment system for an internal combustion engine assembly configured to run on fuel comprising ammonia. A channel for gas flow is formed from an aftertreatment inlet to an aftertreatment outlet via a first catalyst zone (1020),...
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WO/2023/210386A1 |
A hydrogen engine that uses fuel gas containing hydrogen comprises a cylinder, a piston capable of moving within the cylinder, a cylinder head forming a fuel chamber with the piston and including an intake port connected to the fuel cham...
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WO/2023/209580A1 |
A fuel system for internal combustion engines with electrolytically produced oxyhydrogen gas, comprising at least one electrolytic cell, connected to an aqueous saline solution supply circuit, and connected to means for supplying direct ...
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WO/2023/200588A1 |
A dual fuel system (50) includes a liquid pilot fuel supply (54), a liquid main fuel supply (64), and a fuel injection apparatus (72). The dual fuel system further includes a fueling control unit (110) coupled with a cylinder pressure se...
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WO/2023/193949A1 |
The present invention refers to a fuel supply system (12) of an internal combustion engine (14), in particular of a marine diesel engine, for supplying a fuel emulsion to a fuel injection system (16) of the engine (14). The fuel supply s...
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WO/2023/195260A1 |
A slip methane treatment system comprises: an exhaust gas line connected to the exhaust side of an engine; an air supply line connected to the air supply side of the engine; a supercharger including a turbine provided to the exhaust gas ...
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WO/2023/187079A1 |
The invention relates to an apparatus and a method for the open-loop/closed-loop control of: an internal combustion drive unit (101); one or more component(s) (102), which are connected to the internal combustion drive unit and can be co...
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WO/2023/189299A1 |
An internal combustion engine (1) comprising: a cylinder (5) inside which a combustion chamber (3) is formed; a piston (7) that reciprocates within the cylinder (5); an intake port (9) for supplying air to the combustion chamber (3); a f...
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WO/2023/187247A1 |
According to an example embodiment, a system for analyzing fuel supplied to at least one engine (140-k) of an engine system (100) comprising one or more engines (140) is provided, the system comprising: one or more measurement apparatuse...
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WO/2023/186972A1 |
The invention relates to a control device (100) for a dual-fuel internal combustion engine which can be operated in a mono-fuel mode with a liquid fuel, preferably a diesel fuel, or in a dual-fuel mode with the liquid fuel and a gaseous ...
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WO/2023/180250A1 |
The invention relates to a method of controlling fuel injection in an internal combustion engine having at least one cylinder with an associated electrically actuated fuel injector for performing injection events, wherein a drive signal ...
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WO/2023/174986A1 |
This invention provides a process for improving the sustainability of a dual-fuel engine system operated with a first liquid fuel and a second gaseous fuel, said process comprising providing to the engine system an EN15940 compliant para...
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WO/2023/166139A1 |
The invention relates to a fuel injection valve (10.1), comprising a nozzle chamber (165) and a first and a second injection valve seat (163, 164), and at least one first and at least one second injection opening (161, 162) emanating fro...
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WO/2023/162715A1 |
One aspect of an internal combustion engine according to the present disclosure is an internal combustion engine that can burn fuel containing hydrogen gas, the internal combustion engine comprising a cylinder block housing at least one ...
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WO/2023/160862A1 |
The invention relates to a method for controlling a turbocharged hydrogen engine for burning an air-hydrogen mixture having an air-hydrogen ratio greater than 1, wherein the hydrogen engine is adapted to assume steady-state operating...
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WO/2023/160838A1 |
The invention relates to a method for controlling an electromagnetically controllable gas valve (1), in which method: in order to open a sealing seat (2), a solenoid coil (4) acting on an armature (3) is supplied with current so that a v...
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WO/2023/162720A1 |
This internal combustion engine comprises: a combustion chamber to which a gaseous fuel containing hydrogen is supplied; an ignition device configured to ignite the gaseous fuel in the combustion chamber; and a control device which contr...
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WO/2023/158548A1 |
An exhaust duct of a fuel cell exhaust system includes a convolute duct, a resonator coupled to and in fluid communication with the convolute duct, a mid-duct coupled to and in fluid communication with the resonator, and a tail duct coup...
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WO/2023/158615A1 |
An opposed-piston engine is configured to use hydrogen fuel. The opposed-piston engine has at least one cylinder and a pair of pistons disposed for opposed motion in a bore of the cylinder. Hydrogen fuel is directly side-injected into th...
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WO/2023/156773A1 |
The present invention relates to a system (32) for ammonia combustion and exhaust gas treatment, the system (32) comprising: an internal combustion engine (30) for combusting ammonia; and an exhaust system (34) comprising an intake (40) ...
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WO/2023/152295A1 |
A sparked reciprocating four-stroke internal combustion hydrogen-fueled engine comprising an engine casing (10), a crankshaft (20) rotatable about a crankshaft axis, a cylinder (30) arranged inside said engine casing (10), a piston (35) ...
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WO/2023/153323A1 |
Provided is an engine including: an engine body; an intake line connected to a combustion chamber of the engine body; a first fuel line configured to supply a first fuel to the intake line; a second fuel line configured to supply a secon...
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WO/2023/153322A1 |
This engine comprises: an engine body; an intake line connected to the combustion chamber of the engine body; a first fuel line connected to the intake line, and configured to supply a first fuel to the intake line; and a second fuel lin...
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WO/2023/147654A1 |
A pressure regulator for regulating a differential pressure between a first fluid pressure of a first fluid and a second fluid pressure of a second fluid is disclosed. The pressure regulator has a valve between a regulator body and a val...
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WO/2023/147652A1 |
An engine fueled with a gaseous fuel includes a storage vessel storing the gaseous fuel in the gas state. For an engine speed and engine load, a storage-pressure brake thermal efficiency (where an injection pressure equals the storage pr...
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WO/2023/148355A1 |
A controller for determining an injection strategy for a fuel injector within a hydrogen fuel injection system within an engine, the controller comprising: an input arranged to receive an engine operating parameter and a pressure signal ...
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WO/2023/147653A1 |
A pressure regulation system for a gaseous fluid includes a gaseous fluid supply and a hydraulic fluid supply of a hydraulic fluid. A rail injector is in fluid communication with the gaseous fluid supply and the hydraulic fluid supply an...
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WO/2023/139982A1 |
The objective of the present invention is to suppress a deterioration in exhaust gases and to improve availability in an electricity generating system configured from a plurality of engines capable of being supplied with renewable energy...
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WO/2023/141641A1 |
A fuel delivery arrangement for a generator can include a throttle-mixing assembly including a mixer body defining a main port extending between an air inlet end and a mixed air-fuel outlet end and defining a fuel inlet port extending in...
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WO/2023/137515A1 |
A hydrogen-diesel direct injection dual-fuel system for an internal combustion engine enables retrofitting to existing diesel engines. The system comprises: a cylinder head of the engine having a first and a second injector hole; a diese...
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