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8181625 |
Method for operating an internal combustion engine
In an internal combustion engine, fuel is directly injected into at least one combustion chamber at least during a compression stroke in such a way that a stratified mixture is present in the...
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8181626 |
Fuel injection control apparatus for internal combustion engine
A systematic fuel injection control technique for compression self-igniting internal combustion engines capable of executing an auxiliary injection prior to a primary injection is provided, with...
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8175789 |
Combustion controller for compression-ignition direct-injection engine and engine control system for the same
As a compression-ignition direct-injection engine combustion controller, a program for detecting ignition timing of a main injection Mn (main ignition timing), a program for correcting a command...
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8170773 |
Method for the direct re-entry in the cai operating mode of an internal combustion engine following a pull fuel cut off phase as well as a pertinent control unit
For the direct re-entry in the CAI operating mode following a pull fuel cut off phase the CAI specific valve lift is maintained during its pull fuel cut off phase. Upon a request signal for the CAI...
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8165779 |
Cascade control of HCCI phasing
The present invention relates to an internal combustion engine that can be operated in a homogeneous charge combustion mode as well as a method and a computer readable storage device for...
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8156920 |
Procedure for the operation of an internal combustion engine
Procedure for the transition of an internal combustion engine, particularly a gasoline engine with direct gasoline injection and with a partially variable valve-train assembly, from an initial mode...
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8151762 |
Direct-injection spark-ignition engine
Disclosed is a direct-injection spark-ignition engine designed to promote catalyst activation during cold engine operation. A fuel injection timing for a fuel injection period in an compression...
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8132555 |
Event based engine control system and method
A system for starting an engine is described. In one example, the engine is supplied two fuels via two injectors. The method may improve engine starting and reduce engine emissions.
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8131449 |
Fuel injection control apparatus and fuel injection control method for internal combustion engine
A fuel injection valve coupled to a common rail is provided. When fuel injection is carried out, the fuel pressure in the fuel injection valve pulsates. An interval between a pilot injection and a...
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8118006 |
Fuel injector diagnostic for dual fuel engine
Various systems and methods are described for controlling fuel injection of a dual fuel engine which includes first and second fuel rails and first and second fuel pumps. In one example, while...
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8116962 |
Method of fuel injection
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 delivers a set amount of fuel. The...
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8100107 |
Method and system for engine control
Methods and systems are provided for controlling exhaust emissions by adjusting a fuel injection into an engine cylinder from a plurality of fuel injectors based on the fuel type of the injected...
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8095295 |
Device and method for controlling fuel injection
In a method for controlling fuel injection by means of injectors in a multicylinder internal combustion engine, the injectors are controlled sequentially according to control data for opening and...
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8078387 |
Control apparatus for spark-ignition engine
Disclosed herein is a control apparatus for a spark-ignition engine that is capable of avoiding knocking at the time of high-load operation. With this control apparatus, a residual-gas suction unit...
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8073638 |
Method for determining the ignitability of fuel with an unknown fuel quality
The invention relates to a method for determining the ignitability of fuel, particularly of diesel, biodiesel, gas-to-liquid or biomass-to-liquid fuel, with an unknown fuel quality for an internal...
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8069835 |
Internal combustion engine and operating method therefor
The present disclosure provides an internal combustion engine having an engine housing with at least one cylinder that has diameter less than about 3 inches. A fuel injector is provided and...
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8061127 |
Thermal management of diesel particulate filter regeneration events
Various embodiments of an apparatus, system, and method are disclosed for managing regeneration event characteristics. For example, according to one embodiment, an apparatus for controlling the...
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8050844 |
Pre-delivery strategy for diesel-engine vehicles
A method to supply fuel to an engine of a vehicle is provided. The method includes adjusting a direct injection of fuel into a cylinder of the engine based on whether the vehicle is in a...
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8037874 |
Fuel based cylinder knock control
Various systems and methods are described for controlling operation of engine cylinders, where each cylinder has a first and second injector for delivering fuel. One example method maintains...
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8037864 |
Diesel engine
In a diesel engine 10 equipped with a fuel injection device 50 having a fuel supply pump 53 for pressingly sending a fuel, a common rail 52 for accumulating the fuel pressingly sent from the fuel...
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8028676 |
Fuel injection control method for a direct injection gaseous-fuelled internal combustion engine
The method comprises receiving from the vehicle controller, values associated with the engine speed and of another parameter indicative of the engine operating conditions, such as the total...
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8032293 |
Method of controlling an internal combustion engine, in particular a diesel engine
In a method for controlling an internal combustion engine, in particular a diesel internal combustion engine, at least one variable is formed on a cylinder-specific basis, which variable...
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8011600 |
Fuel injector nozzle
A fuel injector nozzle for use with an internal combustion engine utilizes arrangements of nozzle openings that are designed to increase fuel contact with oxygen within a combustion chamber. Nozzle...
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8005608 |
Fuel injection control apparatus and fuel injection control method for internal combustion engine
A fuel injection control apparatus for an internal combustion engine includes a fuel injection portion that performs each of first fuel injection for performing stratified-charge combustion, and...
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7992538 |
Method of controlling an internal combustion engine and system including the engine
A method of controlling an internal combustion engine and system including the engine is provided. The method may include closing an exhaust valve of a combustion chamber of said engine during a...
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7992539 |
Fuel injection control device of an internal combustion engine
An ECU executes a program including injecting fuel only by an intake passage injector when an engine is idling, starting an addition-type PFI timer, resetting the PFI timer when a count of the PFI...
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7980492 |
Outward opening fuel injector
A fuel injector provided with: an injection valve comprising an injection nozzle; a mobile needle for regulating the fuel flow through the injection valve and ending with a shutting head, which...
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7971573 |
System for regulating pilot fuel supply in a combustion engine
The invention relates to supplying pilot fuel to the cylinders of a combustion engine. The invention comprises cylinder-specific pressure sensors (1) that are installed in the cylinders of the...
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7966989 |
Engine control apparatus
An engine control apparatus controls changeover of a combustion mode in an engine in which each cylinder has an injector that can perform fuel injection a predetermined number of times for each...
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7954472 |
High performance, low emission engines, multiple cylinder engines and operating methods
High performance, low emission engines, multiple cylinder engines and operating methods based on compression ignition of a combustion chamber charge. In accordance with the methods, fuel is...
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7941264 |
Fuel supply device for flexible-fuel internal combustion engine
When it is detected in a fuel supply device for a flexible-fuel internal combustion engine that a refueling operation has been performed for a fuel tank, a return suppression process in which fuel...
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7934484 |
Method and device for controlling an internal combustion engine when changing operating modes
In a method for controlling an internal combustion engine (10) during which two operating modes (OPMOD) are switched between under the permissible variation of at least one first and one second...
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7934669 |
Nozzle assembly and injection valve
An injection valve has an injector housing (1) and an actuator and also a nozzle assembly. The nozzle assembly has a nozzle body (6) with a recess (8) into which a nozzle needle (10) is introduced...
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7920957 |
Method and control device for metering fuel to combustion chambers of an internal combustion engine
A method for metering fuel into a combustion chamber of an internal combustion engine is provided, in which a fuel quantity to be metered for a combustion is metered by a preinjection and at least...
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7918207 |
Fuel delivery system for multi-fuel engine
A fuel delivery system for an engine is described. The system includes a controller for adjusting injection timing when switching between two injectors of a cylinder. The system can improve engine...
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7917280 |
Method and device for operating an internal combustion engine
In order to operate an internal combustion engine, a fresh-air quantity, a residual-gas quantity and a fuel quantity are provided as a function of a load demand. During a change of load from a...
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7917281 |
Apparatus for controlling quantity of fuel to be actually sprayed from injector in multiple injection mode
In an apparatus, a shift quantity calculating unit tentatively shifts a reference fuel spray characteristic to an obtained actual fuel spray characteristic in a phase direction and in a magnitude...
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7909271 |
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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7904233 |
Fuel injection measurement and diagnostics
A system and method comprises operating an engine during a first cycle to drive a piston in a cylinder without energizing a fuel injector of the cylinder; acquiring first pressure data of the...
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7900594 |
System and method for injecting fuel into a direct injection engine
A method for controlling the operation of at least one fuel injector in a four stroke internal combustion engine is provided. The method includes the steps of initiating fuel injection into a...
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7900601 |
Injection advancement for piston cooling in spark ignition direct injection engines
An engine system comprises a temperature determination module, a temperature comparison module, and a fuel injection control module. The temperature determination module determines an engine...
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7899603 |
Fuel injection controller
In a fuel injection controller for a fuel injection system that executes an injection quantity learning operation for a fuel injection valve, a drive signal is outputted when the diagnosis...
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7895987 |
Method for introducing fuel into a combustion chamber of an internal combustion engine
A method for introducing fuel into a combustion chamber of an internal combustion engine is provided, in which fuel is injected at variable metering directly into the combustion chamber by a first...
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7886719 |
System and method to compensate for variable fuel injector characterization in a direct injection system
A method for controlling fuel injection timing of at least one fuel injector in a direct injection fuel delivery system of an internal combustion engine is presented. In one example, the timing of...
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7885754 |
Fuel injection system and method of operating the same for an engine
A fuel injector is coupled to an engine. The fuel injector includes an injection opening configured to vary in cross-section between a open state and a fully closed state. The fuel injector is...
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7885756 |
Multi-pulse spark ignition direct injection torque based system
A control system is provided and includes a catalyst module that generates a multi-mode enable signal based on a catalyst light off enable signal. A transition control module controls transitions...
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7881855 |
Method for metering fuel into combustion chambers of an internal combustion engine
A method and control unit for metering fuel into at least one combustion chamber of an internal combustion engine comprising at least one pilot injection and one main injection per combustion...
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7881856 |
Apparatus for and method of controlling fuel injection of engine
An apparatus for and a method of controlling a fuel injection in which, in fuel injection control of an engine including a variable valve mechanism that can change an inlet valve opening...
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7881857 |
Method for operating an internal combustion engine
In a method for operating an internal combustion engine, the fuel is supplied to at least one combustion chamber via at least one injector, which method includes the following steps: a) a total...
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7874276 |
Fuel injection control method for an internal-combustion engine and engine using the same
The invention relates to a method for control of fuel injection for an internal combustion engine, in particular with direct fuel injection, comprising at least one cylinder (10), one piston (30)...
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