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7634348 Ejector system for a vehicle and ejector system controller  
A vehicle ejector system ( 100 A) has an in-flow port ( 31 a ) and an out-flow port ( 31 b ) connected in the intake passage of an intake system ( 10 ) of an internal combustion engine ( 50 ),...
7630822 Fuel injection system for internal combustion engine  
A fuel injection system for an internal combustion engine has a lubricity improver supply for adding a lubricity improver to low-viscosity fuel supplied to a fuel injection apparatus of the engine....
7630821 Intake quantity sensing device of internal combustion engine  
An intake pressure sensor is provided in an intake manifold of a first cylinder. During steady operation, intake quantities of respective cylinders are sensed with an airflow meter provided in an...
7627416 Method and apparatus for operating a dual fuel internal combustion engine  
In an internal combustion engine that can burn two fuels, the main fuel may become unavailable, either temporarily or until the main fuel is replenished. The present apparatus determines when to...
7627407 Fault determination device and method of negative pressure generation device  
An ECU determines the presence/absence of a fault of a negative pressure generation device that has an ejector that generates a negative pressure that is greater than the negative pressure that is...
7627417 Variable compression ratio internal combustion engine  
The invention provides a technology that enables to control response delay of the supercharger in a variable compression ratio internal combustion engine under acceleration. When the variable...
7627418 System and method to control engine during de-sulphurization operation in a hybrid vehicle  
A vehicle system, comprising of an engine with a first cylinder and a second cylinder operating with different engine torques, a motor coupled to said engine capable of absorbing torque and...
7621127 Method for manually controlling a turbocharger  
A method and a system for manually controlling a turbocharger is disclosed. The method includes steps for selecting a minimum boost pressure and a maximum boost pressure. The method also includes...
7623954 Air-fuel ratio control apparatus and method of internal combustion engine  
An air-fuel ratio feedback control range is enlarged to improve exhaust purification performance and output stability. In one aspect, an air-fuel ratio control apparatus of an internal combustion...
7620489 Control method for mixture ratio in a multi-cylinder internal combustion engine equipped with at least two lambda sensors placed upstream of a catalytic converter  
Control method for the mixture ratio in a multi-cylinder internal combustion engine, the control method providing for the following: reading a first real value of the mixture ratio via a master...
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...
7614384 Engine torque control with desired state estimation  
An engine control system comprises a predicted airflow module, a first actuator determination module, a first desired air module, and an actuator position module. The predicted airflow module...
7617038 Control system for internal combustion engine  
A control system for an internal combustion engine wherein a load applied to the engine from at least one auxiliary component and/or an air conditioner, which are both driven by the engine, is...
7617025 Electric oil pump control system in hybrid vehicle  
An electric oil pump control system for a hybrid vehicle which has an engine and a first electric motor as driving sources; a hydraulic automatic transmission connected between the engine and drive...
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...
7610140 Vehicular ejector system and control method thereof  
A vehicular ejector system having an ejector that generates a negative pressure that is greater than the intake manifold negative pressure that is to be extracted from an intake manifold, a VSV...
7603990 Fuel vapor treatment system  
An ECU computes a transit time from a time when the fuel vapor passes the purge valve right after the purge valve is opened until a time when the fuel vapor reaches a vicinity of the fuel injector....
7606652 Torque based crank control  
A control system and method of regulating operation of an engine includes a minimum torque module that determines a torque request based upon at least two of measured revolutions per minute (RPM)...
7603223 Apparatus for adjusting valve timing when starting internal combustion engine  
An internal combustion engine includes a plurality of variable valve timing mechanism (VVTs), each corresponding to one of a pair of banks. When an abnormality is detected in a VVT corresponding to...
7603224 Cam phasing control system for improving regeneration efficiency  
A control system includes a cam position calculation module that determines intake and exhaust cam positions during operation of an engine. The engine includes a regeneration and fuel cut-off (FCO)...
7599782 Variable valve timing controller for internal combustion engine  
An ECU outputs a signal indicative of a target motor speed calculated based on a deviation between a target camshaft phase and an actual camshaft phase to an EDU. The EDU performs a feedback...
7599781 Control system for internal combustion engine  
A control system for an internal combustion engine, which makes it possible to estimate a fuel property parameter indicative of a property of fuel in use, in a plurality of operation modes of the...
7596941 Air-fuel ratio control device for internal combustion engine  
An air-fuel ratio control device for an internal combustion engine can detect the deteriorated purification state of a catalyst without delay after completion of rich or lean control, and can...
7597091 Air-fuel ratio control apparatus and method for an internal combustion engine  
When an internal combustion engine including a plurality of cylinders is operating steadily, an index value relating to an actual hydrogen content in exhaust gas downstream of a portion where...
7593805 Control system for internal combustion engine  
To provide a control system for an internal combustion engine, which is capable of attaining both the securing of excellent drivability and the reduction of impact occurring when a movable part...
7590482 Fuel injection controller  
A fuel injection controller used for a fuel injection device that pumps high-pressure fuel to an accumulator and distributes the high-pressure fuel accumulated in the accumulator to injectors...
7587999 Gas engine electric power generating system effectively utilizing greenhouse gas emission credit  
A gas engine electric power generating system in which an electric power generating apparatus including an electric power generator connected with a gas engine of a pilot fuel oil ignition type is...
7587268 Control system for internal combustion engine  
A control system for an internal combustion engine, which is capable of ensuring excellent fuel economy of the engine and enhancing the responsiveness of the output of the engine when acceleration...
7581535 Method of estimating the fuel/air ratio in a cylinder of an internal-combustion engine by means of an extended Kalman filter  
The present invention relates to a method of estimating the fuel/air ratio in each cylinder of an injection internal-combustion engine comprising an exhaust circuit on which a detector measures the...
7577511 Internal combustion engine control for improved fuel efficiency  
A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. Generally, selected combustion events are skipped during operation of the...
7574297 Fuel injection device for an internal combustion engine  
A fuel injection device comprising a high-pressure pump supplying a fuel to a high-pressure area in which an injector for injecting fuel into an internal combustion engine cylinder is arranged. An...
7571047 Detection of valve deactivation failure by monitoring exhaust temperature  
An internal combustion engine having valve deactivation capability for at least one cylinder, or for an entire bank of cylinders in a multiple-bank engine, is provided with a temperature probe in...
7567867 Method and device for diagnosing a crankcase ventilation of an internal combustion engine  
A method and device for diagnosing a crankcase ventilation of an internal combustion engine, which enable a diagnosis of a malfunction of an actuator of the crankcase ventilation. The internal...
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...
7565237 Control of in-cylinder conditions of an internal combustion engine operating with multiple combustion modes  
A method of controlling a diesel engine that is capable of multiple combustion modes and equipped with a turbocharger and EGR loop. The control method avoids a singularity condition inherent in...
7565236 Airflow estimation method and apparatus for internal combustion engine  
A method of estimating an air charge in at least one combustion cylinder of an internal combustion engine includes calculating cylinder mass air flow based upon a modified volumetric efficiency...
7559194 Method and device for controlling the injection of reducing agent  
The invention relates to a method and device ( 10 ) for controlling the injection of reducing agent upstream from a catalyst ( 4 ) in an exhaust line ( 2 ) from a combustion engine. According to...
7555895 Exhaust gas purifying apparatus and method for internal combustion engine  
In exhaust gas purifying apparatus and method for an internal combustion engine, an abnormality determination of an NOx (Nitrogen Oxides) removing catalyst is executed on the basis of output values...
7558663 Fuel injection control system with exempt area of fuel map  
A fuel management system for fuel injected vehicles permits a user to modify vehicle performance without exceeding acceptable standards for vehicle emissions. A portion of the fuel management...
7552717 Fuel injector and method for controlling fuel injectors  
A fuel injector for an internal combustion engine, the fuel injector comprising an injector body, a fuel supply passage defined in the injector body, the fuel supply passage containing fuel under...
7549409 Fuel supply amount control system and boat propulsion unit  
In a fuel supply amount control system, during a period of engine startup from the time when a crankshaft starts to rotate by a starter motor to the time when the crankshaft stably rotates by fuel...
7549414 Control device for internal combustion engine and air-fuel ratio calculation method  
An internal combustion engine ( 1 ), which generates power by burning a mixture of fuel and air in each combustion chamber ( 3 ), is provided with an in-cylinder pressure sensor ( 15 ) that is...
7546169 Control apparatus for engine having time delay estimating unit increasing or decreasing number of samplings which is quotient obtained by dividing time delay by sampling period of discretization  
A plant model expressing an object to be controlled by a discrete mathematical model is used. Parameters of the plant model are identified in such a way as to bring an identification error, which...
7542841 Method and device for controlling an internal combustion engine  
A method and a device for controlling an internal combustion engine in which a combustion chamber quantity characterizing the combustion process is ascertained on the basis of input quantities....
7536983 Internal combustion engine and method for operating an internal combustion engine  
An internal combustion engine has a cylinder with a combustion chamber delimited by a reciprocating piston that drives a crankshaft rotatably supported in a crankcase. The internal combustion...
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...
7536250 Device for determining the position of an internal combustion engine  
A device ( 1 ) for determining the position of an internal combustion engine, includes an incremental-type sensor ( 2 ) having a rotary part ( 8 ) which is connected to the rotary body, and a fixed...
7536244 Failure diagnostic apparatus and method for an air-fuel ratio sensor  
A failure diagnostic apparatus is provided with an offset power source for offsetting a ground-side voltage of an air-fuel ratio sensor, an activation state judging unit for judging whether the...
7532974 Fuel consumption estimating unit of vehicle  
Parameters having a correlation with a crowded condition of a road traveled by a vehicle are inputted to an ideal fuel consumption estimation model. This ideal fuel consumption estimation model...