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Document Title |
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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;...
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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...
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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...
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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...
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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,...
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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...
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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...
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