A hydrogen mixed-combustion electronic control device that controls the mixed ratio of hydrogen mixedly combusted in a combustion room of a hydrogen mixed-combustion engine having a first fuel supply device that supplies first fuel to the engine and a second fuel supply device that supplies fuel…
An electromagnetic fuel injector (1) having: a tubular support body (4); an injection nozzle (3) arranged at an end of the support body (4); an injection valve (7) coupled to the injection nozzle (3); a plunger (8), which is movable, so as to adjust the fuel flow through the injection nozzle (3)…
A fuel system for supplying gaseous fuel to an onboard power plant of a vehicle, the fuel system comprising at least a first tank configured to receive pressurised gaseous fuel for supply to the power plant, in use; a source of auxiliary control fluid for supply to the first tank; and a valve…
A method and a device for operating an internal combustion engine using hydrogen. The hydrogen is injected directly into the combustion chamber of the internal combustion engine. The hydrogen is injected in an angular range later than 40° of crankshaft angle after the closing of an air inlet valve…
A liquefied petroleum (LP) gas fuel system includes a fuel source to store a liquid LP gas and a fuel supply system to draw the liquid LP gas from the fuel source and selectively deliver a vapor LP gas and the liquid LP gas into a plurality of cylinders of an internal combustion engine. The fuel…
There is provided an engine power generation system control device that reduces emission of a harmful substance contained in an exhaust gas to the outside by performing prompt activation of an exhaust purification catalyst and prompt warmed-up of an engine in a power generation system including an…
A liquefied petroleum (LP) gas fuel system includes a fuel source to store liquid LP gas and a fuel supply system to draw liquid LP gas from the fuel source and selectively deliver vapor LP gas and liquid LP gas into a plurality of cylinders of an internal combustion engine. The fuel supply system…
An ammonia-rich combustion coupled dual-mode prechamber ammonia-fueled engine control system is provided, including an ammonia-fueled engine and an electronic control unit. The ammonia-fueled engine includes a combustion chamber, a dual-mode jet ignition device, and an ammonia injector. The…
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 pressure) is compared to a second-pressure brake thermal…
A gaseous fuel supply for an engine at a wellbore can be regulated using a control system. The control system can include a processing device communicatively coupled to one or more sensors to receive a fuel property measurement from the one or more sensors. The fuel property measurement can…
An internal combustion engine, system includes an internal combustion engine for combustion of gaseous fuel and having a combustion chamber at least partially delimited by a cylinder; a reciprocating piston moveable within said cylinder between a bottom dead centre (BDC) and a top dead centre…
An engine system includes: a combustor including an ignition unit configured to ignite the fuel gas and configured to generate combustion gas that heats a catalyst; an outside air temperature detection unit configured to detect an outside air temperature; a catalyst temperature detection unit…
An internal combustion engine and a controller for the internal combustion engine are provided. A water axis is an injection axis of water from a water injection valve. A fuel axis is an injection axis of gaseous fuel from a fuel injection valve. The internal combustion engine has a specific…
A method for operating an internal combustion engine system using gaseous fuel is disclosed. The method includes injecting, by activating a fuel injector to generate a first injection in association with a compression stroke, a first amount of gaseous fuel into a pre-combustion chamber, wherein the…
Systems and methods for automatic calibration of large industrial engines in applications where the quality of the fuel supply is unknown and/or variable over time, particularly engines that drive compressors on a natural gas well site. A combination of throttles and an oxygen sensor are disclosed…
A gaseous fuel supply device includes processing circuitry configured to control a direct injection valve and a shut-off valve. The processing circuitry determines an energization time for the direct injection valve based on a pressure of gaseous fuel supplied from a supply passage to the direct…
A first condition is set to such a condition of a fuel injection amount of a fuel injection valve and an opening degree of a throttle valve that an air excess ratio in a cylinder becomes greater than or equal to a prescribed value set as a value greater than 1.2 while satisfying a target output of…
An internal combustion engine includes an intake manifold, at least one cylinder head with a plurality of piston-cylinder-units, at least one ammonia source, and at least one hydrogen source. Each piston-cylinder-unit includes at least a main combustion chamber, at least one intake valve, a…
A method for controlling a dual fuel engine system includes determining a gas flow target for an internal combustion engine of the dual fuel engine system, where the gas flow target is based on a gas power target of the internal combustion engine, a thermal efficiency estimate of the internal…
An internal combustion engine includes transfer passages between a pre-chamber and a main combustion chamber, and a control unit configured to control a pre-chamber supply system coupled to the pre-chamber and a main combustion chamber supply system coupled to the main combustion chamber, wherein…
Internal combustion engine, preferably a gas engine, comprising a pre-chamber having a pre-chamber intake system and a main combustion chamber having a main combustion chamber intake system, wherein by use of the intake systems a predetermined amount of energy of fuel can be supplied to the main…
Operating an engine system includes combusting a gaseous hydrogen fuel (H2) and a gaseous hydrocarbon fuel (HC) at a first substitution ratio in a cylinder in an engine, determining at least one of an H2 fueling command or an HC fueling command based on an H2 availability input and an H2 cost, and…
Disclosed is a multiple combustion mode engine with ammonia fuel including an cylinder head, a cylinder sleeve, a piston, a main combustion chamber, an inlet valve and an exhaust valve, and further including a jet ignition device arranged on the cylinder head and used for providing an ignition…
The disclosure relates to a method for operating an internal combustion engine comprising at least two cylinders and a system for fuel injection, in which the fuel is withdrawn from a primary tank and supplied to at least one rail in a form significantly compressed compared with atmospheric…
Various methods and systems are provided for a multi-fuel capable engine. The system includes a liquid fuel system to deliver liquid fuel to an engine, a gaseous fuel system to deliver gaseous fuel to the engine, and a control system. The control system can control and test the liquid and gaseous…
Systems and methods for automatic calibration of large industrial engines in applications where the quality of the fuel supply is unknown and/or variable over time, particularly engines that drive compressors on a natural gas well site. A combination of throttles and an oxygen sensor including a…
A system includes a fuel tank and a dehydration reactor that are configured to provide a primary fuel and a pilot fuel to a power system. The fuel tank is configured to store the primary fuel and is fluidly connected to a reactor feed line and a primary fuel line provide the primary fuel. The…
A supplemental fuel system includes a supplemental fuel tank, an electronic valve, a voltage sensor, and a controller. The supplemental fuel tank is configured to store a supplemental fuel configured to supplement a primary fuel used by an engine. The electronic valve is configured to be positioned…
A housing defines a gaseous fuel inlet and a gaseous fuel outlet. A rotor defines an internal flow passage therethrough that rotates with the rotor to, alternately, allow gaseous fuel flow, or to block gaseous fuel flow, between the inlet and the outlet, based on a position of the rotor. A seal is…
A fugitive gas detection system is provided. The system includes a cloud service, a plurality of reach-based components, a plurality of wireless gas sensors. The reach-based components comprise backhauls and gateways. The wireless gas sensors are acted as nodes to acquire sensor data in a local…