A fuel injector for adaptive dual fuel injections has means to directly inject two types of fuels, which can be gas and liquid, or liquid and liquid, independently and collaboratively through a single nozzle. A fuel injection method and systems, along with a combustion method using the same, are also disclosed. The disclosed injectors, methods, and systems are applicable for conventional gas and liquid fuels, such as diesel, gasoline, natural gas, propane, as well as renewable liquid and gas fuels in general, including e-fuels, such as biodiesel, methanol, ethanol, hydrogen, biomethane, etc.
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 19/02 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
F02D 19/08 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
F02D 19/10 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
A fuel injector for adaptive dual fuel injections has means to directly inject two types of fuels, which can be gas and liquid, or liquid and liquid, independently and collaboratively through a single nozzle. A fuel injection method and systems, along with a combustion method using the same, are also disclosed. The disclosed injectors, methods, and systems are applicable for conventional gas and liquid fuels, such as diesel, gasoline, natural gas, propane, as well as renewable liquid and gas fuels in general, including e-fuels, such as biodiesel, methanol, ethanol, hydrogen, biomethane, etc.
F02D 19/02 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 19/08 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
F02D 19/10 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
A fuel injector for adaptive dual fuel injections has means to directly inject two types of fuels, which can be gas and liquid, or liquid and liquid, independently and collaboratively through a single nozzle. A fuel injection method and systems, along with a combustion method using the same, are also disclosed. The disclosed injectors, methods, and systems are applicable for conventional gas and liquid fuels, such as diesel, gasoline, natural gas, propane, as well as renewable liquid and gas fuels in general, including e-fuels, such as biodiesel, methanol, ethanol, hydrogen, biomethane, etc.
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 19/00 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
F02D 19/02 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
F02D 19/08 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
F02D 19/10 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
F02M 43/00 - Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
4.
A FUEL INJECTOR ADAPTIVE FOR SINGLE AND DUAL FUEL INJECTION
A variable orifice fuel injector has an inward opening needle valve and an outward opening needle valve and has means to directly inject two types of fuels independently and collectively. Both needle valves are fully contained in a nozzle body, with a co-axial smaller needle valve at least partially being contained in a larger needle valve. The materials of the needle valves are individually chosen such that it provides good sealings for liquid and gas fuels.
B05B 1/32 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages in which a valve member forms part of the outlet opening
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
F02M 45/12 - Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship providing a continuous delivery with variable pressure
F02M 47/02 - Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves, and having means for periodically releasing that closing pressure
A fuel injector has means to directly inject one type of fuel or two types of fuels collectively with fuel ratios on demand. Once being used as a single fuel injector, the injector can enable injection rate shaping. Once being used as a dual fuel injector, the injector can tailor fuel properties on demand. The fuel injector has the capability to enable tailored chemical and thermal-physical fuel properties to enable high efficiency clean combustion for different engine loads and speeds.
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02M 61/10 - Other injectors with elongated valve bodies, i.e. of needle-valve type
6.
A FUEL INJECTOR FOR ON-DEMAND MULTI-FUEL INJECTION
A fuel injector has means to directly inject one type of fuel or two types of fuels collectively with fuel ratios on demand. Once being used as a single fuel injector, the injector can enable injection rate shaping. Once being used as a dual fuel injector, the injector can tailor fuel properties on demand. The fuel injector has the capability to enable tailored chemical and thermal-physical fuel properties to enable high efficiency clean combustion for different engine loads and speeds.
This invention discloses a combustion method, which is for an internal combustion engine, which utilizes variable spray patterns matched with a combustion chamber composing of multiple connected spaces based on injection timings and engine loads. This invention provides means to control propagation paths of combustion reaction radicals and control pressure rise rate, and also provides means to promote stratification of premixed charges. An internal combustion engine utilizing the disclosed combustion methods is also disclosed.
A fuel injector has a variable orifice nozzle, which is capable of injecting at least one type of fuels with variable spray patterns, variable fuel flow rates, and variable spray distributions to tailor mixture formation for optimizing combustion for internal combustion engines.
A variable orifice fuel injector has an inward opening needle valve and an outward opening needle valve and has means to directly inject two types of fuels independently and collectively. Both needle valves are fully contained in a nozzle body, with a co-axial smaller needle valve at least partially being contained in a larger needle valve.
B05B 1/32 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages in which a valve member forms part of the outlet opening
A multi-fuel injector has an internal pressure intensifier which has means to intensify fuels with different viscosities, cetane or octane numbers, with high viscosity fuel being used to intensify itself and low viscosity fuels to high pressure for direct injection into combustion chamber. A fuel injection method and fuel system using such a method of fuel injection is disclosed. A multi-fuel injector with a variable orifice nozzle and variable spray patterns is also disclosed.
F02M 61/00 - Fuel injectors not provided for in groups or
F02M 61/16 - Details not provided for in, or of interest apart from, the apparatus of groups
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
11.
A FUEL INJECTOR FOR MULTI-FUEL INJECTION WITH PRESSURE INTENSIFICATION AND A VARIABLE ORIFICE
A multi-fuel injector has an internal pressure intensifier which has means to intensify fuels with different viscosities, cetane or octane numbers, with high viscosity fuel being used to intensify both itself and low viscosity fuels to high pressure for direct injection into combustion chamber. A combustion method using such a method of fuel injection is also disclosed. A multi-fuel injector with variable orifice nozzle and variable spray patterns is also disclosed.
A mixed- mode combustion method, which is mainly for internal combustion engines, either compression ignition or spark ignition, or mixed-mode engines using both compression ignition and spark ignition. The said combustion method utilizes a variable orifice fuel injector or at least two injectors per cylinder wherein it has means to produce variable spray patterns with smaller spray angle jets for earlier injection(s), and larger spray angle jets for main injection(s) around engine top dead center, respectively, in the same engine power cycle, wherein it has adaptive means to distribute fuel into combustion chamber space based on engine loads and speeds, to effectively reduce emissions and fuel consumptions. A combustion engine using the said combustion method is also provided.
F02B 11/00 - Engines characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition, e.g. in different cylinders
F02D 41/34 - Controlling fuel injection of the low pressure type with means for controlling injection timing or duration
F02D 41/40 - Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
F02M 51/02 - Fuel-injection apparatus characterised by being operated electrically specially for low-pressure fuel-injection
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