Matches 1 - 50 out of 217 1 2 3 4 5 >
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7503308 Fuel injection and ignition control method and fuel injection and ignition control device of engine  
A fuel injection and ignition control method including the steps of: calculating a total injection amount correction value at the restart of fuel injection by adding an injection amount correction...
7490588 Vehicle control apparatus and method  
A vehicle control apparatus includes a first fuel-cut duration extending portion that, when a fuel-cut is being executed during deceleration of the vehicle, slows the decrease in the engine speed...
7441547 Method of feeding fuel to an engine, fuel feed amount control system of an engine, and motorcycle comprising fuel feed amount control system  
A method of feeding fuel to an engine, comprising the steps of determining whether or not the engine is decelerating based on a time-lapse change rate of an engine speed of the engine, and reducing...
7395808 Control system of internal combustion engine  
There is provided a control system for controlling an internal combustion engine with an exhaust system provided with a catalyst, comprising a fuel cut means for stopping the supply of fuel to the...
7395809 Internal combustion engine and a method for such an engine  
A method for controlling a diesel engine in a vehicle is presented. The engine comprises at least one cylinder, a fuel injector for each cylinder for injecting fuel into the respective cylinder,...
7383813 Method and device for controlling the transition between normal operation and overrun fuel cut-off operation of an Otto engine operated with direct fuel injection  
The problem during overrun fuel cut-off operations, i.e. cut-off of fuel injection during trailing throttle conditions of the vehicle, is that the transition entails an undue torque jump, resulting...
7377239 Method for operating an internal combustion engine, computer program product, computer program, and control and/or regulating device for an internal combustion engine  
A method for operating an internal combustion engine, a computer program product, a computer program, and a control and/or regulating device for an internal combustion engine make detection of an...
7377256 Method for operating a drive unit  
A method for operating a drive unit, in which, given the use of a vehicle-speed controller, the actual speed is prevented from exceeding the setpoint speed too significantly. In the method, a...
7328686 System and method to control cylinder activation and deactivation  
Engine cylinder reactivation from a fuel-cut state is controlled based on a calculated future engine speed and a minimum allowable engine speed. The future engine speed is calculated based on the...
7311079 Engine system and method with cylinder deactivation  
Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such...
7258101 Automotive catalyst excess oxygen reduction system  
An excess oxygen reduction system includes a fuel cut-off condition module, an injector module, and a valve module. The fuel cut-off condition module determines whether a fuel cut-off condition...
7236874 Torque control apparatus and vehicle control system having the same  
In an engine torque loss computing section, a pump loss computing section computes a pump torque loss, and a frictional loss computing section computes a frictional torque loss. The pump torque...
7146958 Control apparatus for hybrid vehicle  
An object is to improve fuel consumption efficiency. Accordingly, a fuel gradual addition delay time when starting (engine water temperature) TMKSTDLYT which changes in a decreasing trend with an...
7127346 Dynamic engine pumping work estimation algorithm  
An engine control system that regulates operation of an engine includes an intake valve that regulates air intake into a cylinder of the engine and an exhaust valve that regulates exhaust from the...
7080625 Engine operation during cylinder deactivation  
An engine control system for controlling engine operation in activated and deactivated modes in a displacement on demand engine system includes an engine control that generates a load control...
7073465 Method and device for operating an internal combustion engine  
A method and device for operating an internal combustion engine, which diagnose and/or adapt the exhaust-gas recirculation system for, in particular, multibranch internal combustion engines. In...
7059298 Evaporative fuel processing device for an internal combustion engine  
The present invention judges whether an internal combustion engine is operated by a special operation method in which a fuel cut is performed more frequently than predefined depending on the...
7051704 Intake air control apparatus and method for internal combustion engine  
An intake air control apparatus method and apparatus for an internal combustion engine in which the engine includes a variably operated valve mechanism for making at least one of an operating angle...
6883493 Method and device for operating the drive motor of a vehicle  
A method and an arrangement for operating a drive unit of a vehicle are suggested. Starting from a driver command torque which is converted into a resulting desired torque while considering...
6876918 Method and apparatus for estimating engine torque  
An engine torque estimating apparatus is connected to an automatic transmission and an internal combustion engine. A control unit of the engine torque estimating apparatus is arranged to stop a...
6863048 Vacuum system for engine with variable valve lift  
A vacuum system for an engine with variable valve lift includes a controllable vacuum-forming valve at the entrance to the intake manifold and a programmable engine control module (ECM) to increase...
6840213 Control apparatus, control method and engine control unit for variable cylinder internal combustion engine  
A control apparatus, a control method, and an engine control unit for a variable cylinder internal combustion engine are provided for appropriately performing any of an idling rotational speed...
6830038 Fuel cut control method  
To provide a fuel cutoff control method for an engine including a secondary air introducing system, capable of preventing afterburning in an exhaust pipe at the time of fuel being cut off in a...
6799113 Method and arrangement for controlling the drive unit of a vehicle  
A method and an arrangement control the drive unit of a vehicle. In this method and arrangement, an rpm limiting to a reference rpm takes place when the demand of the driver is withdrawn. The...
6769394 Method for controlling the fuel supply to an internal combustion engine  
With a method for controlling the fuel supply to an internal combustion engine, in particular to a two-stroke motor, a parameter (K) of the machine, which is influenced by the fuel supply in a...
6758189 Engine revolution control apparatus having overspeed governing capability  
When a large load is exerted during restraint control of an engine of a jet propulsion boat, the drop of the engine revolution frequency causes a feeling of harsh braking. An engine revolution...
6694956 Control system for internal combustion engine  
There is provided a control system for an internal combustion engine, which is capable of properly controlling the amount of exhaust gas recirculation according to a degree of flow rate degradation...
6536226 Equalizing tank  
An equalizing tank is disclosed comprising a housing, a pressure dissipation orifice, and a return flow line configured to provide fluid communication within the housing without fluid entering the...
6474297 Fuel breaking/saving device for cars during coasting  
Fuel breaking/saving device for cars during coasting, including an automatic sensing power supply, a relay powered and controlled by the automatic sensing power supply to activate a fuel injector,...
6418907 Method and device for the operation of a drive unit on a vehicle  
A method and an arrangement for operating a drive unit of a vehicle are suggested. A desired value is preset and an actual value corresponding to the desired value is determined. The desired value...
6394069 Apparatus for controlling internal combustion engine at decelerating state  
An apparatus for controlling an internal combustion engine controls an air amount bypassing a throttle valve of the engine. The air amount is decreased according to a difference between an actual...
6347513 Method for regenerating a NOx storage catalytic converter for an internal combustion engine  
In a method for regenerating a NOx storage catalytic converter disposed in an engine exhaust operating with air excess, in operating ranges, the improvement includes storing NOx in the exhaust gas...
6317666 Method for analyzing the driveability of motor vehicles  
This invention relates to a procedure for analyzing and influencing the driveability of motor vehicles, including the following steps: Conducting tests on a real vehicle to obtain measurement...
6273060 Method for improved air-fuel ratio control  
An engine control method for improving air-fuel ratio control controls airflow when fuel injector limits are reached. The method includes a transient fuel model to calculate a required fuel...
6269793 Internal combustion engine having deceleration fuel shut off and camshaft controlled charge trapping  
A reciprocating internal combustion engine using poppet valves, valve timing control and fuel injection, cuts off fuel during engine deceleration and controls valve timing such that charge is...
6128899 Exhaust gas purification system for internal combustion engine  
A system for purifying exhaust gas of an internal combustion engine having a NOx reduction catalyst (NOx absorber) installed in the exhaust system of the engine which absorbs NOx in the exhaust gas...
6085717 Fuel control device for cylinder injection type internal combustion engine  
6065446 Method for controlling an internal combustion engine  
A setpoint torque is determined from a torque factor, a maximum torque and a minimum torque. The torque factor is derived from a pedal value and a rotational speed. The maximum and minimum torques...
5983857 Engine control system  
An engine control system for an automobile engine of, for example, the type which injects fuel directly into an combustion chamber (16) and executes a fuel-cut control under a specified engine...
5941211 Direct injection spark ignition engine having deceleration fuel shutoff  
A method of controlling fuel supply during a deceleration fuel shutoff mode includes determining the amount of oxygen stored in the catalyst or the temperature thereof and intermittently supplying...
5941212 Air-fuel ratio control system for internal combustion engines  
An air-fuel ratio control system for an internal combustion engine includes an ECU which cuts off fuel supply to the engine at deceleration thereof, measures a fuel cut-off period over which the...
5782221 Method and apparatus for decreasing the load change reactions in a motor vehicle  
Power to the driven wheels is increased when the motor vehicle is traveling around a curve and the driver suddenly releases the gas pedal. A sudden release of the gas pedal is recognized when the...
5762043 Engine fuel injection controller  
A fuel injection amount in an engine is determined based on a cylinder air volume equivalent fuel injection amount and a wall flow correction amount. The fuel injection amount is also decreased in...
5724940 Method for controlling an internal combustion engine in overrun mode  
An internal combustion engine is constantly monitored for overrun mode. When the overrun mode is detected, the fuel injection to the cylinders is shut off. After the shutoff of fuel injection has...
5676111 Method and arrangement for controlling the torque of an internal combustion engine  
The invention is directed to a method and an arrangement for controlling the torque of an internal combustion engine. A desired value is determined while considering the engine speed starting from...
5586534 System for detecting fully closed state of the throttle valve for use in internal combustion engine  
A throttle valve full-closure detecting system for an internal combustion engine which is capable of surely detecting a fully closed state of a throttle valve and further of preventing the...
5558051 Valve timing control device for an internal combustion engine  
A valve timing control device for an internal combustion engine comprises a variable valve timing mechanism capable of varying a valve overlap period. Fuel injection can be stopped in at least one...
5517411 Neutral attainment control system/method for controlling shifting in vehicular automated mechanical transmission systems  
A robust engine fueling control is provided for assuring neutral attainment in a vehicular automated mechanical transmission system (10) having a manually controlled master clutch (16). Upon...
5515824 Method and apparatus for controlling fuel supply shut off of an internal combustion engine  
The invention involves stopping the operation of an internal combustion engine, when actual vehicle deceleration is detected after a vehicle deceleration operation. Alternatively, under conditions...
5443558 Engine power regulator  
An apparatus for regulating power produced by a motor vehicle engine is disclosed. The apparatus cooperates in association with throttling valves and engine power moderating devices. The apparatus...
Matches 1 - 50 out of 217 1 2 3 4 5 >