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7620488 Engine control apparatus  
A control apparatus of an engine that includes an intake passage fuel injector and an in-cylinder fuel injector according to the invention is characterized by further including correcting means for...
7617039 Method of fuel injection  
The present invention relates to a method of operating an internal combustion engine. With reference to FIG. 1 , fuel is supplied to charge air using an injector ( 116 ) which in each operation...
7614383 Method of operating a spark-ignition internal combustion engine during warm-up  
In a method for cold-running or warm-up operation of a spark-ignition, direct-injection 4-stroke internal combustion engine having an exhaust gas catalytic converter, wherein fuel is injected into...
7610900 Method and apparatus for operating a spark-ignited direct fuel injection engine  
A method and article of manufacture are provided to operate a spray-guided, spark-ignition, direct fuel injection engine, including injecting a first fuel pulse during a combustion cycle, and...
7610899 Control apparatus for internal combustion engine  
An engine ECU executes a program including the steps of: calculating a fuel injection ratio of an in-cylinder injector; calculating an amount of spark advance using a first map employed when the...
7610895 Method of operating an internal combustion engine in an engine warm-up phase  
In a method of operating an internal combustion engine of a motor vehicle during an engine warm-up phase, the engine having a cylinder including a piston defining in the cylinder a combustion...
7594493 Method for controlling fuel injection in a compression ignition engine  
A method for controlling operation of an internal combustion engine operating lean of stoichiometry is described. The engine is a multi-cylinder direct-injection engine operative in repetitive...
7594390 Combustion control apparatus and method for internal combustion engine  
In combustion control apparatus and method for an internal combustion engine, an exhaust gas purifying section is disposed in an exhaust system of the engine, a determination is made, on the basis...
7591243 Fuel injection control apparatus and method for direct injection internal combustion engine  
In a direct injection internal combustion engine which switches a fuel injection mode between a batch injection in which fuel is injected once and a split injection in which fuel is injected at a...
7578280 Fuel injection system designed to enhance uniformity of size of atomized particles of fuel  
A fuel injection system for an internal combustion engine is provided which includes a fuel injector equipped with an actuator and a nozzle needle. The actuator works to lift the nozzle needle to...
7574992 Fuel injector with multiple injector nozzles for an internal combustion engine  
An internal combustion engine includes an engine block, at least one combustion cylinder carried by the engine block, and at least one fuel injector. Each fuel injector is associated with a...
7565898 Controller for direct injection engine and controlling method  
An ECU feedback controls a discharge amount of a high-pressure pump in such a manner that a detected fuel pressure is consistent with a target fuel pressure. The ECU determines whether engine shut...
7565892 Method and apparatus for controlling mode transition in a spark-ignition direct-injection internal combustion engine  
The disclosure sets forth operating a spark-ignition, direct-fuel injection internal combustion engine, including transitioning the engine from operating in a stratified charge combustion mode to...
7556017 Twin needle valve dual mode injector  
A fuel injector having an injector body defining a hollow interior configured to receive pressurized fuel, a first nozzle configured for providing a first fuel spray pattern, and a second nozzle...
7552709 Accumulator fuel injection apparatus compensating for injector individual variability  
A common rail injection system for internal combustion diesel engines is provided which is designed to correct a limit of width of an ineffective injection command pulse signal which is to be...
7532971 Engine control apparatus  
An engine control apparatus comprised of an engine control ECU has a program preloaded therein for determining a combustion rate (actual combustion rate) corresponding to the ratio of an ideal heat...
7530342 Approach for facilitating fuel evaporation in cylinder of an internal combustion engine  
A method of operating an engine including at least one cylinder and a piston disposed within the cylinder, the method comprising during a first condition, injecting fuel into the cylinder and...
7520260 Multistage fuel-injection internal combustion engine  
In a multi-stage fuel-injection internal combustion engine employing a fuel injection system and a variable valve actuation system, engine valve timings are variably controlled depending on engine...
7520259 Power management system for fuel injected engine  
A power management system for a combustion engine is disclosed. The power management system has a fuel injector, a sensor, and a controller in communication with the sensor and the fuel injector....
7513239 Compression ignition internal combustion engine  
A method for operating an internal combustion engine, injects fuel directly into a combustion chamber as a main injection, a postinjection and optionally also as a preinjection. An injection nozzle...
7513238 Directly injecting internal combustion engine  
A directly injecting internal combustion engine has at least one cylinder which has a combustion space and in which a piston executes an oscillating movement, and an injection nozzle for the...
7513106 Method for hydrocarbon injection into an exhaust system, upstream of a turbocharger, while minimizing exposure of the exhaust gas recirculation system to the same hydrocarbons  
The present invention generally relates to engines, and, more particularly, to an exhaust system for reducing buildup in an exhaust gas recirculation system when mixing hydrocarbons with exhaust.
7509938 Internal combustion engine control apparatus  
The internal combustion engine control apparatus includes a calculation function of calculating an energy generation rate of an energy generated by combustion of fuel injected into a combustion...
7500465 Method for operating an internal combustion engine  
A method for operating an internal combustion engine, in which fuel is injected into a combustion chamber of a cylinder of the internal combustion engine in at least two partial injections, and in...
7497199 Closed-loop electronic control system for controlling combustion in a diesel engine operating with highly premixed combustion  
Described herein is a closed-loop electronic control system for controlling combustion in a diesel engine operating with highly premixed combustion, in which an injection system is designed to...
7497198 System and method for controlling vehicle operation in response to fuel vapor purging  
A hybrid vehicle propulsion system, comprising of an engine having at least one combustion cylinder configured to selectively operate in one of a plurality of combustion modes, wherein a first...
7487756 Direct fuel injection-type spark ignition internal combustion engine  
A direct cylinder fuel injection-type spark ignition internal combustion engine which executes a stratified charge combustion by vaporizing the fuel while flying after having been injected into the...
7474952 Fuel injection controller  
A fuel injection controller performs minute injection amount learning for learning an injection characteristic of an injector related to a minute amount injection such as a pilot injection by...
7472678 Combustion chamber shape of direct injection type diesel engine  
An object of the present invention is to provide a combustion chamber shape of a direct injection type diesel engine in which a black smoke generation amount can be suppressed during no-load...
7467615 Method and apparatus to control fuel injection  
A method for controlling direct fuel injection into an engine is detailed. The method comprises determining a quantity of fuel to inject into a combustion chamber during a combustion cycle, and,...
7464690 Adaptive engine injection for emissions reduction  
NOx and soot emissions from internal combustion engines, and in particular compression ignition (diesel) engines, are reduced by varying fuel injection timing, fuel injection pressure, and injected...
7464689 Method and apparatus for controlling fuel injection into an engine  
A method for controlling fuel injection into a direct injection, compression-ignition internal combustion engine is provided. The engine preferably comprises a diffusion-combustion engine equipped...
7464688 Active radical initiator for internal combustion engines  
In an internal combustion engine a fuel-air mixture having compression temperatures and pressures sufficiently low as not to support auto ignition, ignition is achieved by injecting igniting active...
7444980 Fuel injector nozzle for an internal combustion engine  
A direct injection fuel injector includes a nozzle tip having a plurality of passages allowing fluid communication between an inner nozzle tip surface portion and an outer nozzle tip surface...
7441537 Method and apparatus to control combustion in a spray-guided direct injection spark-ignited engine  
A method and apparatus to operate a spray-guided spark-ignition direct fuel injection internal combustion engine are provided. The invention comprises injecting a first quantity of fuel during a...
7441535 Shape of combustion chamber for direct-injection diesel engine  
The invention relates to a shape of a combustion chamber for a direct-injection diesel engine, in which a mixture in, particularly, an expansion stroke is promoted by optimally designing the shape...
7440841 Method of efficiently determining pressure-based combustion parameters for an IC engine  
Pressure-based combustion parameters of an IC engine are determined based on engine cylinder pressure measurements and crank angle dependent cylinder volume data, where the pressure in a given...
7438045 Method of operating an internal combustion engine  
In a method of operating an internal combustion engine with a switch-over capability between a compression ignition mode of operation and a spark ignition mode of operation in higher load ranges...
7431012 Diesel combustion system with re-entrant piston bowl  
A diesel combustion system with a re-entrant piston bowl utilizes momentum interaction with the bowl at multiple locations to cause recirculation of the partially burned fuel and combustion...
7431011 Method and device for diagnosing and controlling combustion instabilities in internal combustion engines operating in or transitioning to homogeneous charge combustion ignition mode  
This invention is a method of achieving stable, optimal mixtures of HCCI and SI in practical gasoline internal combustion engines comprising the steps of: characterizing the combustion process...
7431010 Self-igniting internal combustion engine  
A method includes the steps of delivering a main combustion air quantity and a main fuel quantity, from which a main mixture is formed, to the combustion chamber; igniting the main mixture formed...
7431009 Method for operating an internal combustion engine  
A method for operating a four stroke internal combustion engine in which the combustion position can be set/controlled/corrected. The phase position of intake and/or exhaust phase is shifted for...
7426917 System and method for controlling locomotive smoke emissions and noise during a transient operation  
A system and/or method of controlling smoke or noise emanating from a diesel engine wherein a throttle is drivingly coupled to the diesel engine, and wherein an operator of the engine changes a...
7426916 Multi-stroke internal combustion engine for facilitation of auto-ignition operation  
A method of operating an engine having at least one cylinder including an intake valve and an exhaust valve, the method comprising of injecting a first amount of fuel into the cylinder;...
7422000 Method of transitioning between operating modes in an internal combustion engine  
A method of operating an internal combustion engine is provided. The method includes injecting a first fuel charge into at least one cylinder of the engine. The method further includes determining...
7418941 Fuel injection apparatus  
A fuel injection apparatus comprising a fuel injection arrangement for delivering a fuel injection pulse sequence to a combustion chamber during a combustion cycle, the fuel injection pulse...
7418336 Method for internal combustion engine control using pressure ratios  
The invention comprises a method to operate a direct-injection engine operative at various air/fuel ratios. The method comprises monitoring in-cylinder pressure, along with a corresponding engine...
7415965 Fuel injection method for internal-combustion engine, notably of direct injection type, comprising a piston provided with a bowl and a teat  
The present invention relates to a method of injecting fuel into the combustion chamber ( 16 ) of a cylinder of a direct-injection four-stroke internal-combustion engine, notably of diesel type,...
7415964 Fuel injection control apparatus designed to minimize combustion noise of engine  
A fuel injection control apparatus for a diesel engine is provided which works to determine the number of a sequence of injection events to inject fuel into the engine in each operating cycle of...
7415963 Method for operating an internal combustion engine  
The invention relates to a direct-injection internal combustion engine that is operated in a first operating range associated with the low part load, with largely homogeneous combustion of the...