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7610896 Control device for internal combustion engine  
An internal combustion engine system, including a primary fuel tank that stores a fuel, a fuel reformer that reforms the fuel from the primary fuel tank, a secondary fuel tank that stores the fuel...
7597072 System and method for operating a multiple fuel engine  
A system and method to control valve timing and valve lift of an engine is described. The valve timing can be adjusted to improve engine operation when a range of fuels are used. The method can...
7588012 Fuel system having variable injection pressure  
A fuel injector for a work machine is disclosed. The fuel injector has nozzle member having at least one orifice and a needle valve element having a tip end. The needle valve element is axially...
7584740 Engine system for multi-fluid operation  
A system for an engine, comprising of an injector coupled to the engine and configured to inject fuel to a cylinder of the engine, a first reservoir holding a first fluid containing at least a...
7581528 Control strategy for engine employng multiple injection types  
A system for an engine, comprising a cylinder, a first injection subsystem for injecting a first substance into the cylinder, a second injection subsystem for injecting a second substance into the...
7578281 First and second spark plugs for improved combustion control  
A method of operating an internal combustion engine having at least one combustion chamber including a first spark plug and a second spark plug, wherein the first spark plug is configured to...
7533651 System and method for reducing knock and preignition in an internal combustion engine  
A system for an engine of a vehicle, comprising of a combustion chamber located in the engine; a delivery system configured to deliver a fuel and a fluid to at least the combustion chamber in...
7493897 Fuel supply apparatus and fuel supply control apparatus for internal-combustion engine  
A fuel supply apparatus includes a component adjustment unit, a low-pressure side passage, and a valve. The unit adjusts component composition of fuel by separating a particular component from...
7484495 Homogeneous charge compression ignition internal combustion engine  
A homogeneous charge compression ignition internal combustion engine capable of reliably reducing flame noise at a time of high-load operation is provided. The engine includes an injector which...
7461628 Multiple combustion mode engine using direct alcohol injection  
A method of operating an engine, comprising of performing homogeneous charge compression ignition combustion during a first operating condition, and performing spark ignition combustion during a...
7444230 Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation  
The present invention provides an injector-ignition fuel injection system for an internal combustion engine, comprising an ECU controlling a heated catalyzed fuel injector for heating and...
7438238 Gaseous fuel injector  
The injector includes a nozzle, a needle, a control chamber, a working fluid supply passage, an electric switching valve, a high-pressure gaseous fuel supply passage and a lubrication liquid fuel...
7421999 Control apparatus for an internal combustion engine capable of pre-mixed charge compression ignition  
An electric control device 70 is applied to an internal combustion engine 10 capable of a pre-mixed charge compression ignition combustion in which air-fuel mixture gas including air and fuel...
7409926 Controlling engine operation with a first and second fuel  
A method of operating an internal combustion engine including at least a combustion chamber having a piston disposed therein, the method comprising during a first number of cycles after start-up of...
7389752 Use of engine lubricant as ignition fuel for micro-pilot ignition system of an internal combustion engine  
A method and system for providing pilot fuel for a pilot ignition system of an internal combustion engine having one or more cylinders and having a lubrication system. A portion of the lubricating...
7383811 Fuel injection system for engine  
A fuel injection system for an engine is configured of a downstream-side fuel injection valve which is provided to an intake passage connected to a combustion chamber, and from which fuel in the...
7367312 Control strategy to better usage of fuel in gaseous engine  
A method for operating a fueling system in a vehicle having an engine capable of burning gaseous fuel supplied from at least a first and second source to a direct fuel injector of the engine, the...
7360522 System and method for operating a turbo-charged engine  
In certain embodiments, there is provided a method of providing a first fuel injection schedule having one or more injections per cylinder per compression stroke at a first discrete power level...
7353800 Multi-source fuel system having grouped injector pressure control  
A fuel system for an engine is disclosed. The fuel system has a first source of fuel at a first pressure, and a second source of fuel at a second pressure. The fuel system also has a first...
7343895 Fuel injection system and method of operation for a gaseous fuelled engine with liquid pilot fuel ignition  
A pilot fuel injection valve is mountable in a cylinder head of an engine and injects a liquid pilot fuel directly into a combustion chamber. The pilot fuel injection valve comprises a cooling...
7302918 Method and apparatus for providing for high EGR gaseous-fuelled direct injection internal combustion engine  
A method and apparatus adjust pilot fuel injection timing in relation to a main fuel injection timing into a piston cylinder of an operating gaseous-fuelled direct injection internal combustion...
7290504 System and method for operating an internal combustion engine with hydrogen blended with conventional fossil fuels  
A system for retrofitting an internal combustion engine to use a proportion of hydrogen gas and existing fossil fuel is disclosed. The system is comprised of a source of hydrogen gas and means for...
7278393 Direct injection type fuel injection device and fuel injection control device for internal combustion engine  
A fuel injection device is provided with a fuel injection valve for injecting fuel into a combustion chamber and an air injection valve for the injection of air into the combustion chamber. One...
7228841 Fuel switching for dual fuel engine  
An internal combustion engine combusts a first fuel or a second fuel. A method for controlling the engine comprises supplying first fuel to at least one combustion chambers of the internal...
7213567 Process and apparatus for controlling the performance of a Homogeneous Charge Compression Ignition (HCCI) engine  
A process for controlling the performance of a homogeneous charge compression (HCCI) engine in a vehicle having a hydrocarbon fuel reservoir which process is provided. The octane or cetane number...
7178503 System and method to pre-ignition in an internal combustion engine  
An engine system and method are disclosed for controlling pre-ignition of an alcohol fuel. In one embodiment, the fuel injection timing is adjusted to cause the fuel to avoid combustion chamber...
7159566 Control method and apparatus for direct injection spark ignited internal combustion engine  
In control method and apparatus for a direct injection spark ignited internal combustion engine, the internal combustion engine comprising a fuel injection valve configured to perform an injection...
7156069 Direct injection diesel engine  
A combustion chamber opening toward a cylinder head is provided on a top surface of a piston, and this combustion chamber comprises a first volume having an inclined surface and a second volume...
7152574 Control apparatus for internal combustion engine  
An engine ECU executes a program including the step of calculating an injection time Astart from the engine speed and load factor when arriving at the injection calculation timing of a cylinder...
7146963 State determination device for internal combustion engine  
An engine ECU executes a program including the steps of: determining an airflow meter as abnormal when the number of times an injector is determined as abnormal (abnormality determination count C)...
7121254 Compression-ignited IC engine and method of operation  
The present invention is a compression ignition internal combustion engine and method of operation which expands the load limit of quietly operating a premixed charge compression ignition (PCCI)...
7117826 Pilot oil ignition gas engine and method of operating pilot oil ignition gas engine  
The gas engine of the present invention has a pilot oil fuel valve, a pilot oil pump, and first and second pipes connected to a pilot oil main pipe, for each of a plurality of combustion chambers....
7090145 Liquid cooled fuel injection valve and method of operating a liquid cooled fuel injection valve  
A liquid cooled fuel injection valve is operable to inject fuel directly into a combustion chamber through a nozzle orifice provided in an injector tip. The fuel injection valve further comprises a...
7077105 Spark ignition internal combustion engine  
A low-octane fuel and a high-octane fuel stored in a low-octane fuel tank ( 5 ) and a high-octane fuel tank ( 7 ), both having known octane numbers, are injected from fuel injection valves ( 13 a, ...
7047909 Methods of operating a compression ignition engine and a vehicle system  
A method of operating a compression ignition engine comprises introducing enriching component to a combustion chamber of the compression ignition engine, wherein the enriching component comprises...
7044103 Fuel quantity modulation in pilot ignited engines  
An engine system includes a first fuel regulator adapted to control an amount of a first fuel supplied to the engine, a second fuel regulator adapted to control an amount of a second fuel supplied...
7028645 Pilot oil ignition gas engine and method of operating pilot oil ignition gas engine  
The gas engine of the present invention has a pilot oil fuel valve, a pilot oil pump, and first and second pipes connected to a pilot oil main pipe, for each of a plurality of combustion chambers....
6948475 Optimized combustion control of an internal combustion engine equipped with exhaust gas recirculation  
An EGR equipped internal combustion engine is controlled to maximize the beneficial effects and minimize the detrimental effects of EGR on engine operation. Specifically, at least one parameter...
6945198 Variable fuel and fluid delivery system  
A fuel injector includes a first input for receiving a fuel and a second input for receiving a non-fuel fluid. The fuel injector also includes a fluid ejector that includes a first drop ejector for...
6915776 Premixed charge compression ignition engine with optimal combustion control  
A premixed charge compression ignition engine, and a control system, is provided which effectively initiates combustion by compression ignition and maintains stable combustion while achieving...
6845608 Method and device for operating an internal combustion engine using a plurality of fuels  
A method for operating an internal combustion engine is provided, such as, for example, in a motor vehicle, in which at least two different fuels are simultaneously supplied to at least one...
6786194 Variable fuel delivery system and method  
An improved fuel injector is disclosed. In one embodiment of the invention, the fuel injector includes a first fluid input for receiving a first fluid; a second fluid input for receiving a second...
6711893 Fuel supply apparatus for an internal combustion engine  
A gasoline in a material fuel tank is separated into a high-RON fuel having a higher octane value than the material fuel and a low-RON fuel having a lower octane value than the material fuel, by a...
6662760 Method and apparatus for controlling combustion timing in an homogenous-charge compression-ignition engine  
Timing of the combustion event in an homogenous-charge compression-ignition engine is controlled by adjusting the reactivity of the fuel, or of the fuel/air mixture inducted into the combustion...
6655324 High compression ratio, hydrogen enhanced gasoline engine system  
A hydrogen enhanced gasoline engine system using high compression ratio is optimized to minimize NOx emissions, exhaust aftertreatment catalyst requirements, hydrogen requirements, engine...
6609493 System and method for enhanced combustion control in an internal combustion engine  
A fuel supply system has a fuel injector positioned to directly inject fuel into a combustion chamber, and it is capable of performing a split injection wherein a first fuel injection in each...
6588406 Dual fuel metering and supply system for internal combustion engines  
A dual-fuel system, comprising an electrically triggerable injector, for alternatively or simultaneously supplying two distinct fuels to an internal combustion engine. The injector is connected to...
6491017 Combined stroke/pressure controlled fuel injection method and system for an internal combustion engine  
In a method for injecting fuel at at least two differently high fuel pressures via injectors into the combustion chamber of an internal combustion engine, the fuel injection at the lower fuel...
6463907 Homogeneous charge compression ignition dual fuel engine and method for operation  
A Homogenous Charge Compression Ignition (HCCI) engine and operating method having ignition timing controlled on a cycle to cycle basis by adding to a primary fuel, which is typically greater than...
6427660 Dual fuel compression ignition engine  
A compression ignition internal combustion engine 7 is provided. The engine has at least one combustion chamber 10 having an air inlet 14 and an exhaust outlet 26 . A dual fuel injector is...
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