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7621469 Automotive modular LPG injector  
A fuel injector for use with LPG or other volatile fuels has fuel inlets through a cylindrical wall of a valve group tube assembly. Fuel venting is along a longitudinal axis of the fuel injector to...
7617813 Method for controlling a piezoelectric actuator and control unit for controlling a piezoelectric actuator  
A method for controlling a piezoelectric actuator which displaces a control element of an injection valve includes the step of charging the actuator until a start voltage is reached. Subsequently,...
7607422 Methods of flexible fuel engine conversions  
Methods and apparatus are disclosed for converting and optimizing the fuel system of an internal combustion engine in a pre-existing (used) vehicle to be fuel flexible and thus to operate on a...
7591258 Exhaust temperature based control strategy for balancing cylinder-to-cylinder fueling variation in a combustion engine  
The present disclosure provides a control strategy for balancing injector-to-injector fueling variations for a combustion engine having multiple combustion chambers (and cylinders), with multiple...
7584747 Cam assisted common rail fuel system and engine using same  
A fuel system for an internal combustion engine includes a plurality of nozzle groups and a plurality of pump groups. A common rail is fluidly connected with each of the nozzle groups, and each of...
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...
7574299 Fuel injection control apparatus and method for internal combustion engine  
A fuel injection control apparatus and method for an internal combustion engine are provided for appropriately calculating fuel injection times for an in-cylinder fuel injection valve and a port...
7562649 Combustion control system based on in-cylinder condition  
Combustion control of a diesel engine is achieved, such that the engine has a monotonic relation between intake manifold pressure and engine torque. For a given engine speed, fuel injection...
7556023 Control device for high-pressure fuel system  
The present invention reduces exhaust emissions at startup, provides improved fuel pressure control performance in a low-load region, and detects high-pressure fuel system abnormalities. Disclosed...
7543569 Arrangement for controlling an internal combustion engine  
In an arrangement for controlling an internal combustion engine comprising an electronic engine control unit, a fuel injector, electronic connecting lines extending between the electronic engine...
7542842 Method for controlling combustion in an internal combustion engine and predicting performance and emissions  
This disclosure teaches a method of controlling a direct injection internal combustion engine and predicting the behavior of a direct injection internal combustion engine. An estimation of initial...
7536996 Fuel injection controller and fuel injection control system  
A fuel injection controller (engine control ECU) controls a fuel injection mode of an engine having cylinder pressure sensors in all of four cylinders for measuring pressures in the cylinders. The...
7536995 Method for limiting the power output of an internal combustion engine  
In a method for limiting the power output of an internal combustion engine, an air mass flow deviation of an actual air mass flow (mL(IST)) from a reference air mass flow (ML(REF)) is determined...
7527041 Fuel injection valve  
A fuel injection valve introduces a fuel into an engine and controlling fuel flow to reduce variability between injection events. The fuel injection valve employs an arrangement for a valve nozzle...
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....
7513489 Anti-detonation fuel delivery system  
Apparatus sealably incorporating a fuel metering device and fuel processing device [ 200, 200 a, 200 b ] for producing a stabilized fog of fuel droplets sized 50 microns and less that when mixed...
7509944 Engine fuel supply apparatus and engine fuel supply method  
In an engine fuel supply method, a first fuel pressure difference between a fuel injection amount computation timing and a first fuel injection timing and a second fuel pressure difference between...
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...
7475683 Fuel injection control device for a variable-fuel engine and engine incorporating same  
A fuel injection control apparatus, for a variable-fuel engine, includes a plurality of stored maps for determining a basic fuel injection time corresponding to a state of an engine and alcohol...
7475673 Apparatus and method for controlling maximum cylinder pressure in an internal combustion engine  
An Engine Control Module includes an electronic controller for controlling the position of an EGR valve, the timing of opening and closing of the engine combustion valves, and the timing of the...
7472017 Method and control device for triggering solenoid valves assigned to gas-exchange valves  
A method for triggering solenoid valves assigned to gas-exchange valves in an electrohydraulic valve activation of an internal combustion engine having a plurality of combustion chambers. The...
7467614 Pedal position and/or pedal change rate for use in control of an engine  
Systems and methods for using pedal position and/or pedal change rate in the fuel side and/or air side control of an engine. By knowing the pedal position and/or pedal rate, an engine controller...
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...
7461634 Fuel injection amount correction method for pressure boosting fuel injection apparatus  
A pressure boosting unit ( 110 ) is provided in each fuel injection valve of an engine ( 1 ). A pressure of fuel to be supplied to the fuel injection valve from a common rail ( 3 ) is boosted as...
7461632 Method for operating an internal combustion engine  
A method for operating an internal combustion engine having a first fuel injection system for injecting fuel into a combustion chamber of a cylinder of the internal combustion engine, and having a...
7456385 System and method for detecting an end of and/or a beginning of a stroke  
A system and a method detect that a movable element within an interior of a compartment is at an end of a stroke and/or a beginning of the stroke within the interior of the compartment. A switch...
7455051 Control device for piezo actuators of fuel injection valves  
A control device for piezo actuators of fuel injection valves includes a DC/DC up converter and an output stage configured as a SEPIC converter having a second transistor and a coupling capacitor...
7439700 Control system  
A control system which is capable of avoiding an overloaded state of an actuator without using sensors or the like. An ECU 2 of the control system 1 calculates a lift control input U_Liftin to...
7422004 Internal combustion engine with variable compression ratio  
In a variable compression ratio internal combustion engine in which the compression ratio is changed by changing the combustion chamber volume, the present invention enables to inhibit...
7421331 Method for operating an internal combustion engine, particularly of a motor vehicle  
A method for operating an internal combustion engine, particularly of a motor vehicle. The internal combustion engine has a combustion chamber and an injection valve by which fuel is able to be...
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...
7418337 Control apparatus for direct injection type internal combustion engine  
An apparatus for controlling the quantity of fuel injection of injectors in accordance with the fuel pressure in the fuel rail of a direct injection type internal combustion engine, including a...
7412966 Engine output control system and method  
A system for an engine, comprising of a cylinder located in the engine; a first injector for injecting a first fuel into said cylinder; a second injector for injecting a second fuel into said...
7406959 Engine control system  
An engine control system includes an EGR device 10 which connects an exhaust passage Ex and an intake passage I and has an EGR valve; an intake throttle valve 41 placed in the intake passage I;...
7406947 System and method for tip-in knock compensation  
A method of controlling an engine, the method comprising of providing fuel having a blend to a cylinder of the engine, actively varying said fuel blend in response to at least an operating...
7401595 Fuel injection device for internal combustion engine  
A fuel injection device for an internal combustion engine including: an injector that injects fuel to be supplied to the internal combustion engine; a battery to which a DC converter that charges a...
7395807 Fuel injection control system designed to eliminate overlap between multiple fuel injection events  
A fuel injection control system for a multi-cylinder internal combustion engine mounted in a vehicle is provided. The system works to schedule execution of a sequence of multiple injections of fuel...
7383118 Control apparatus for internal combustion engine  
This control apparatus obtains a relation (trade-off line) between NOx generation amount and PM generation amount with EGR ratio serving as a parameter from an NOx generation amount estimation...
7377265 Injector driver and drive method for the same  
An injector driver and a drive method therefor wherein a reference current signal is generated that is synchronized to an injector valve signal for causing the injector to inject and that has a...
7377262 Air-fuel ratio controlling apparatus for an engine  
An air-fuel ratio controlling apparatus includes an internal pressure detector for detecting an internal pressure of a combustion chamber of the engine. The apparatus estimates a motoring pressure...
7367320 Fuel control system for internal combustion engine  
A fuel control system for an internal combustion engine having an intake passage, a compressor provided in the intake passage, a throttle valve disposed downstream of the compressor, a bypass...
7363920 Fuel supply control system for internal combustion engine  
A fuel supply control system for an internal combustion engine having at least one fuel injection valve for injecting fuel into an intake pipe or a combustion chamber of the engine. A flow rate of...
7357122 Internal combustion engine control apparatus  
An engine ECU executes a program including the steps of: detecting an engine speed NE, a throttle angle THA and an amount of intake air GA; estimating an amount of intake air GAINI from the engine...
7349790 Method for operating a flex fuel conversion system  
A method for operating a flex fuel conversion system for efficiently providing an aftermarket fuel delivery system which allows a vehicle to be operated on gasoline, ethanol or any combination of...
7319930 Method for balancing out the differences in the injection quantities between the cylinders in an internal combustion engine  
In a method for equalizing the differences in injection quantities between the cylinders of a combustion engine, an adaptation of the differences in injection quantities, of the injection curves...
7318419 Method for determining the actuator energy required for the different injection types of an actuator of an internal combustion engine  
In a method for determining the actuator energy required for the different injection types of an actuator of an internal combustion engine, the actuator is impinged by a control signal in such a...
7318415 Controller of in-cylinder injection engine  
If a high-pressure pump discharges fuel in an injection waiting period from injection setting to injection start, fuel pressure to occur at injection start time is estimated and a fuel pressure...
7305970 Circuit configuration and method for generating a control signal for an engine control unit designed to control fuel injectors  
A circuit configuration for generating a control signal for an engine control unit, designed to control at least one fuel injector of an internal combustion engine, enables an improved control...
7305967 Control apparatus for an internal combustion engine  
In throttle control, a throttle opening is set with sufficient control accuracy in accordance with the operating state of an engine despite variations in a throttle body and various kinds of...
7293555 Controller and control method for internal combustion engine  
A controller approximates an output characteristic of an air flow meter using at least one parameter, and approximates a characteristic of a fuel injection characteristic of an injector using at...