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 into the main port, a Venturi structure located within the main…
An engine is provided with: 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 second fuel having a lower explosive limit that is higher than that of…
A hydrogen supplying device (30) includes a liquid hydrogen pump (32), an evaporator (37), a pressure chamber (45) configured to be filled with hydrogen gas flowing therein from the evaporator (37) and to supply the filled hydrogen gas to a hydrogen engine (10), and a pump control unit (80)…
A fuel system for a vehicle having a fuel tank (12) for storing hydrogen fuel and an internal combustion engine (11). The internal combustion engine (11) has a fuel delivery system for injecting the hydrogen fuel into at least one combustion cylinder, comprising: a compressor/expander (13) in fluid…
An engine is provided with: 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 second fuel having a lower explosive limit that is higher than that of…
A fuel system for a hydrogen-fueled internal combustion engine vehicle. A compressor/expander is installed in fluid connection between the fuel tank and the engine's fuel delivery system. The compressor/expander operates in compressor mode when the hydrogen fuel in the fuel tank is below a pressure…
The present invention pertains to a method for controlling operation of an internal combustion engine configured to run on a fuel mixture of hydrogen and natural gas. The method comprises a step of obtaining temperature values measured by at least one temperature sensor provided in a cylinder head…
A supplemental fuel system includes a supplemental fuel tank, a first pressure regulator, a second pressure regulator, and a nozzle. The supplemental fuel tank is configured to store a supplemental fuel at a first pressure. The first pressure regulator is configured to reduce the first pressure of…
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 into the main port, a Venturi structure located within the main…
A vehicle, system, and method include a first tank configured to contain compressed gaseous fuel, such as hydrogen, and a second tank fluidly couplable to the first tank and an internal combustion engine, the second tank configured to store the gaseous fuel from the first tank in a communal cavity…
A fuel metering system for an internal combustion engine having a fuel injection timing unit to indicate a timepoint during one or more engine strokes, a fuel metering element have a predetermined full stroke volume for metering fuel into an air-fuel mixing location during one or more of the engine…
Methods for controlling an air-to-fuel (AFR) ratio in the metering of fuel to an operating internal combustion engine (ICE) are provided using software-implemented logic controls to enable the determination of one or more of a maximum-power AFR fiducial and a maximum-efficiency AFR fiducial…
Method for Operating a Device for Fuel Supply, Device for Fuel Supply and Computer Program Product The invention relates to a method for operating a device for fuel supply for a vehicle (1) operated with compressed gas, wherein the device for fuel supply comprises at least one fuel tank (6) and a…
Method for starting an internal combustion engine (1) operated with a fuel-air mixture, in particular a stationary gas engine, wherein a fuel volume flow (Q B ) is supplied to the internal combustion engine (1) as part of the fuel-air mixture, which is determined taking into account at least one…
A gas engine is provided to control an air-fuel ratio in response to changes in composition of fuel gas. A gas engine 1 includes: an A/F valve 22; a solenoid valve 21; and a control unit 10 configured to perform perturbation using the solenoid valve 21 and set a relationship between an air-fuel…
A fuel supply and combustion chamber system (310) for use within a power tool, comprising a gaseous fuel supply (312) containing a supply of gaseous fuel; portioning valve means (320), fluidically connected to said gaseous fuel supply, for dispensing a predetermined amount of said gaseous fuel from…
In an apparatus for a cogeneration system having a gas engine, a generator and a motor-driven jet having a stepper motor that moves a needle between a fully-opened position P1 and a fully-closed position P2 such that gas is regulated and mixed with air, the apparatus conducts initialization…
The method involves acquiring specific cylinder signal from each cylinder (2). The combustion parameter of the corresponding cylinder is controlled as a function of the cylinder signal. The cylinder-specific reference cylinder value is set for the cylinder signal for each cylinder. The combustion…
In a gas engine system, a control unit (6) comprises: a first determination section (102) for determining, as a first determination, whether or not the gas pressure is a low pressure of less than a predetermined pressure on the basis of the pressure information, while the control device recognizes…
A control section (22) starts cranking of an engine (12) with a first opening degree upon detection of a first operation signal, and, if the engine has reached a predetermined number of rotations through a predetermined number of times of the cranking with the first opening degree, the control…
Process for controlling an internal combustion engine, especially with lean operation, to achieve pre-determined nitrogen oxide emission values comprises controlling the lambda value of a fuel/air mixture to be burnt in the engine or a substitute engine parameter with a clear relationship to the…
The method involves measuring the actual power of the engine and the temperature in the cylinder (4) or in the exhaust tract (38) and reducing the desired power in the event of a power break-in of the actual power and then temporarily interrupting the fuel feed or mixture feed if the temperature…
The object of the present invention is to provide a fuel return device whereby the residual amounts of fuel in a plurality of fuel tanks can be made approximately equal. According to one preferred mode of the present invention, the fuel return device comprises: residual amount detecting means (19a…
A fuel gas mixer and a method for controlling a fuel gas mixer comprising a throttle valve (4) provided for opening and closing an air intake passage (2) of an engine, and a fuel gas supply passage (6) connected to said air intake passage at a position upstream of said throttle valve (4). A fuel…
Apparatus and methods for determining a desired charge density for an engine (12) having an inlet air pathway (22). A first characteristic indicative of an engine speed of the engine (12) is determined. A second characteristic indicative of a load on the engine (12) is determined. A third…
Device for controlling a spark-ignited internal combustion engine, in particular a stationary supercharged gas Otto engine, with a power control device acting on at least one power actuator, wherein an ignition timing control device (8,9,10) adjusts the ignition timing (ZZP) as a function of the…