Matches 51 - 100 out of 153 < 1 2 3 4 >


Match Document Document Title
6895928 Internal combustion engine idle control  
The present invention relate to idle control in an internal combustion engine and particularly to the control of the air supply to the engine during engine idling. An engine control unit (ECU)...
6848418 External exhaust gas recirculation on board diagnostic using EGR effect on a combination of engine operating parameters  
A system is described for determining degradation of an exhaust gas recirculation system of an internal combustion engine. This method utilizes a combination of parameters to accurately determine...
6845749 Start-up control device for engine  
An internal combustion engine (1) is provided with a three-way catalytic converter (16) which purifies exhaust gas, a spark plug (6) which ignites a gaseous mixture and a throttle (11) which...
6843225 Controller for control at engine startup  
A control unit for engine startup includes a throttle valve, a bypass air quantity-regulating valve, an ignition coil, a bypass air quantity controller, an ignition timing feedback controller, and...
6837214 System for regulating an internal combustion engine  
The invention relates to a system for regulating an internal cumbustion engine (1). Said system regulates the maximum combustion pressure by modifying the start of the injection process. The aim...
6766243 Device and method for ignition in an internal combustion engine  
In a device and a method for ignition of an internal combustion engine having at least one cylinder is described, the device includes a central control unit and peripheral units, each being...
6742497 Device for controlling rotational speed of internal combustion engine  
An engine speed control unit of an internal combustion engine for controlling an engine speed so that it can reach a target value, changes the engine speed so that it can reach a target value in a...
6725830 Method for split ignition timing for idle speed control of an engine  
A method is disclosed for controlling operation of an engine coupled to an exhaust treatment catalyst. Under predetermined conditions, such as after an engine cold start, the method operates an...
6708103 Method, computer program, and control and/or regulating device for operating an internal combustion engine  
Controlling an internal combustion engine which has an additional component provided in its exhaust gas conduit including a turbine and turbo of a turbo charger, includes enriching a mixture at a...
6694946 Method of deactivating selected fuel injectors of an internal combustion engine for improved idle stability  
An idle stability control for a fuel injected internal combustion engine deactivates selected fuel injectors after specified idle conditions have been met for a predetermined period of time, and...
6688282 Power-based idle speed control  
A system and method are disclosed for regulating engine idle speed by coordinating control of two actuators: a slow actuator and a fast actuator. The slow actuator is preferably a throttle valve...
6687591 Method of and apparatus for controlling torque-down upon gear changing  
Torque-down controlling conducted on an engine torque upon gear changing of an automatic transmission is implemented by converting a demand for a rate of torque-down against the engine torque into...
6662551 Apparatus for controlling catalyst temperature and method for controlling catalyst temperature  
A catalyst is warmed up by a rapid heating control that retards ignition timing and increases an intake air amount. Then the warm up is completed or a transmission is shifted to a drive range, the...
6651619 Control system and control method for internal combustion engine  
An intake air volume flowing into an intake passage is controlled by a throttle opening. When the engine speed decreases, a valve timing of an intake valve and an exhaust valve is corrected so as...
6587776 Method and arrangement for controlling the rpm of a drive unit  
The invention is directed to a method and an arrangement for the rpm control of a drive unit. A control is provided having at least two components. At the start of the drive unit, these two...
6557524 Negative pressure control apparatus and method of internal combustion engine  
An apparatus and method control a negative pressure in an internal combustion engine equipped with a brake booster that uses a negative pressure produced on a downstream side of a throttle valve...
6550449 Control system for internal combustion engine  
A control system for an internal combustion engine having a catalyst arranged in the exhaust system is disclosed. In the control system, catalyst temperature rise accelerating control is executed...
6513489 Idle speed control device for internal combustion engine and method of controlling idle speed  
An idle speed control device for an internal combustion engine controls an idle speed of the internal combustion engine by at least one of an amount of intake air and an ignition timing during...
6470852 Engine control system  
An engine control system includes an improved construction that can release an engine from an abnormal engine speed so that, for example, the operator can operate a shift actuator without any...
6305350 Engine speed control  
An idle control system for internal combustion engines providing load rejection and/or load compensation for a given engine. speed reference and barometric pressure wherein the present invention...
6295966 Idling control system for internal combustion engine  
An idling control system for a two-plug type internal combustion engine is comprised of an idling detector, an engine rotation speed detector and a controller coupled to the detectors. The...
6276131 Apparatus for controlling internal combustion engine  
While the amount of intake air introduced into an internal combustion engine is being increased by an intake air quantity control unit, an ignition timing control unit manipulates the ignition...
6209517 Apparatus for controlling rotational speed of internal combustion engine  
A control apparatus controls the rotational speed of an internal combustion engine by generating a command value for ignition timing of the internal combustion engine to convert an actual...
6155955 Operating method for a motor vehicle driving unit  
In motor vehicles fitted with overlay steering mechanisms comprising a transmission (2) and a steering transmission (4), substantial amounts of torque flow from the transmission inlet (12) to the...
6152105 Idle speed control device for engine  
An engine control device has an idle speed control of an engine by an ignition timing control and an idle speed control by air-by-fuel ratio feedback. This engine control device detects roughness...
6119654 Method for adjusting the operating energy input of a motor  
The invention relates to a method for adjusting the drive performance of a motor vehicle having an internal combustion engine with spark ignition. A set torque is determined on the basis of a...
6116213 Control system for controlling internal combustion engine  
A control system for controlling an internal combustion engine which discharge exhaust gases through an emission purifier includes a controller which increases the quantity of intake air drawn...
6109237 Apparatus for controlling the idling speed of an internal combustion engine  
An apparatus for controlling an idling speed of an internal combustion engine is disclosed. The apparatus includes an electric machine operatively coupled to the internal combustion engine for...
6098591 Marine engine control  
A number of embodiments of engine control for marine application wherein the engine is called upon to operate for long periods at speeds substantially below normal idling speed. This is...
6092018 Trained neural network engine idle speed control system  
A electronic engine control (EEC) module executes a neural network processing program to control the idle speed of an internal combustion engine by controlling the bypass air (throttle duty cycle)...
5992380 Ignition timing control system for industrial engines  
An ignition timing control system for an industrial engine or small engines used on lawn mowers, etc. is provided. In such an industrial engine, a pulser coil outputs an alternating current signal...
5988139 Method and apparatus for controlling an internal combustion engine  
An engine control system digitally stores corresponding values of timing angles and engine speeds and selects the timing angles based on the operating speed of the engine. In the engine speed...
5954025 Control apparatus, for internal combustion engine, for improving stability of an idle state of the engine  
An engine control apparatus is disclosed, in which the combustion instability is improved regardless of the type of fuel supplied to the engine so that the idle state immediately after an engine...
5947083 Idling engine speed control unit  
The idling engine speed is controlled to a target value at a high response speed with high accuracy even during the control of the air/fuel ratio by correcting the ignition time which is effected...
5894828 Idle speed control for DISI engines  
An idle speed control system for a direct injection spark ignition engine controlled to operate in either homogeneous air/fuel modes or stratified air/fuel modes. A desired idle speed is set to...
5884605 Controller and control method for engine ignition timing  
A target torque is calculated as a proportion PI relative to a torque generated by an engine at a basic ignition timing. An ignition timing correction amount is calculated based on this proportion...
5771859 Method and arrangement for controlling the idle of an internal combustion engine  
The invention is directed to a method for controlling the idle of an internal combustion engine having an intake channel for conducting air to the engine. The method utilizes sensors for...
5727522 Method and system for controlling ignition timing for internal combustion engine  
In a control system for an ignition timing of an internal combustion engine and a control method for the ignition timing, a basic ignition timing of the engine is set, an engine speed is detected,...
5726892 Engine speed prediction method for engine control  
Using a plurality of engine position reference pulses for each cylinder event, several reference periods for each cylinder event are defined and the engine speed can be accurately predicted for...
5701865 Method of adjusting idle spark for an individual cylinder of an internal combustion engine  
A method of adjusting idle spark for an individual cylinder of an internal combustion engine in an automotive vehicle including the steps of determining a crankshaft acceleration for an individual...
5697337 Engine rotation speed controller  
An engine rotation speed during idle running is feedback controlled to a target rotation speed. A basic ignition timing is set based on the rotation speed during idle running, and the ignition...
5668727 Powertrain torque control method  
In a powertrain including an internal combustion engine coupled to a transmission, engine ignition timing is controlled to minimize the impact of severe mechanical load disturbances, such as...
5666917 System and method for idle speed control  
A system and method for engine idle speed control delay operation of a vehicle accessory (26) while introducing a stored torque disturbance profile corresponding to that vehicle accessory into a...
5662084 Engine idling speed control apparatus  
An engine idling speed control apparatus for controlling the amount of air supplied to the engine and the timing of the sparks supplied to the engine to cause the engine idling speed to follow a...
5588409 Ignition timing control device for an engine  
An ignition timing control device is provided that includes an engine load condition detecting device, a failure detecting device and an ignition retarding device. The engine load condition...
5579736 Combustion control system for internal combustion engine  
In engine idle, a throttle valve is set to an intermediate position between the closed position and the open position, which provides a substantial opening for air flow. When an accelerator is...
5575257 Method and device for the open-loop control of an internal-combustion engine  
In a method and device for the open-loop control of an internal-combustion engine, the change in the torque caused by an influencing of the ignition angle is compensated for by a correspondingly...
5517964 Method of controlling idle speed for an internal combustion engine  
A method of controlling idle speed of an internal combustion engine in an automotive vehicle is provided. The method includes the steps of calculating an acceleration error of the engine and...
5497745 Engine control for enhanced catalyst warm up while maintaining manifold vacuum  
An engine controller (12) controls an ignition system (88) and bypass throttle valve (96). An ignition timing signal is set to an initial value as a function of engine (10) operating parameters....
5492094 Engine control system for maintaining idle speed  
An engine controller (12) controls engine idle speed via control of a bypass throttle valve (96) and an ignition timing system (88). The ignition system (88) also provides a retard in ignition...

Matches 51 - 100 out of 153 < 1 2 3 4 >