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| Number | Title | Issue Date |
| 7369934 | Predictive engine combustion management A system, apparatus, and method for predicting an engine operating condition and providing a component in accordance with the prediction. ... | 05/06/2008 |
| 7220213 | Vehicle control apparatus A vehicle control apparatus is configured to avoid a forward lunging of a vehicle during a downshift while decelerating. The vehicle control apparatus has a clutch element that operatively coupled to an output of an engine to perform a gear shift operation and a con... | 05/22/2007 |
| 7191760 | Ignition control method and ignition control device for two-cycle internal combustion engine An ignition control device for a two-cycle internal combustion engine that controls an ignition timing for inhibiting detonation while inhibiting an increase in an exhaust pipe temperature, including: map storing means for storing a map that provides a relationship ... | 03/20/2007 |
| 7134412 | Method for increasing the reproducibility of the start-up during start-stop operation of an internal combustion engine This invention relates to a method for increasing the reproducibility of the start-up in the start-stop operation of an internal combustion engine of a motor vehicle with start optimization. The reproducibility of the start-up is increased by reducing a maximum spee... | 11/14/2006 |
| 7059998 | DOD control methods for manual transmissions An engine control system transitions between activated and deactivated modes in a vehicle equipped with a manual transmission. The engine control system includes a clutch plate position sensor and a shifter shaft position sensor in communication with a controller. T... | 06/13/2006 |
| 7055502 | Single cylinder engine and vehicle provided with the same A single cylinder engine includes an engine body having a cylinder and a combustion chamber, an intake opening that faces the combustion chamber, and an intake passage in communication with the combustion chamber through the intake opening, a piston provided in the ... | 06/06/2006 |
| 7007668 | Ignition control system for internal combustion engine An ignition control system for an internal combustion engine includes a throttle opening detector, a crank angle detector, a stroke determiner, and an ignition timing corrector. The throttle opening detector detects a throttle opening of a throttle valve disposed in... | 03/07/2006 |
| 6976472 | Ignition circuit for an internal combustion engine An ignition circuit for a two-stroke engine has a spark plug connected via an ignition switch to a voltage source. The ignition switch is actuated via a control circuit to close the ignition switch in dependence upon the crankshaft angle and the rpm of the engine an... | 12/20/2005 |
| 6935323 | Low current extended duration spark ignition system A system for firing a spark plug is disclosed. The system includes a timing controller configured to send a first timing signal and a second timing signal. The system also includes an ignition transformer having a primary winding and a secondary winding and a spark-... | 08/30/2005 |
| 6770009 | Engine speed control in a vehicle during a transition of such vehicle from rest to a moving condition A method and system for controlling engine speed during a vehicle launch (from a rest condition to a moving condition), such vehicle having the engine is coupled to an automatic shifting manual transmission. The method comprises determining a spark timing offset bas... | 08/03/2004 |
| 6745119 | Ignition timing control system and method, and engine control unit for internal combustion engine An ignition timing control system and method, and an engine control unit for an internal combustion engine, which are capable of setting optimum timing for execution of retardation of ignition timing when a vehicle on which the engine is installed is accelerated, th... | 06/01/2004 |
| 6688286 | Knock control apparatus for engine A knock control apparatus for engine has a knock sensor for detecting vibrations of the engine. The knock control apparatus determines an occurrence of knock by using at least one of a statistical process, a waveform process and a FFT process. The knock c... | 02/10/2004 |
| 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 is filtered in at least one operating situation. At the st... | 07/16/2002 |
| 6244243 | Control device for direct injection engine and an injection engine provided with a controller A control device for controlling a direct injection engine provided with an injector for injecting fuel directly into a combustion chamber in a cylinder thereof and a throttle valve is switchable between a stratified charge combustion mode and a uniform c... | 06/12/2001 |
| 6234147 | Ignition timing control device for internal combustion engine An ignition timing control device for an internal combustion engine is capable of preventing shock of an engine upon rapid acceleration by suitably controlling the ignition timing of the engine. When the width of the opening of a throttle valve is kept wi... | 05/22/2001 |
| 6223721 | Method and device for controlling a drive unit of a vehicle A method and arrangement for controlling a drive unit of a vehicle are suggested. A desired torque value or a desired power value is formed on the basis of the driver command which serves to control the drive unit. A maximum permissible torque or a maximu... | 05/01/2001 |
| 6223723 | Personal watercraft engine control An engine control system quantifies engine acceleration advances ignition timing in accordance with the quantified engine acceleration. The control system includes a controller that receives signals indicative of engine speed and crankshaft angle and peri... | 05/01/2001 |
| 6115665 | Memory efficient computer system and method for controlling an automotive ignition system In an automotive ignition system having ignition coil banks with at least one ignition coil for energizing a corresponding spark plug, input/output (I/O) devices are provided in electrical communication with the ignition coil banks for relaying ignition c... | 09/05/2000 |
| 6047681 | Process and apparatus for adjusting the torque of an interal-combustion engine The invention provides a process and an apparatus for controlling the engine torque of an internal-combustion engine. A dynamic desired torque component is determined from a demanded desired engine torque, and is used to determine a corresponding displace... | 04/11/2000 |
| 5829410 | Device for controlling ignition timing in an internal combustion engine A device for controlling ignition timing in an internal combustion engine which can provide change of output as demanded.... | 11/03/1998 |
| 5775297 | Engine operation control system An engine operation control system for controlling ignition timing is disclosed. The system includes an electronic ignition control mechanism which operates to prevent ignition timing fluctuations resulting from irregular ignition pulses generated by inst... | 07/07/1998 |
| 5692473 | Burst knock prevention at high engine load The present invention provides an apparatus for limiting the occurrence of knock conditions in an internal combustion engine. The apparatus includes a throttle sensor that detects transition of an engine throttle from a steady state throttle condition to ... | 12/02/1997 |
| 5681239 | Ignition timing controller for internal combustion engine In an ignition timing controller used in conjunction with an internal combustion engine of a vehicle provided with a mechanism for igniting fuel, the running condition of the engine is detected and the optimum ignition timing is determined based on the ru... | 10/28/1997 |
| 5566657 | Acceleration responsive control system and method for internal combustion engine An ignition control for an internal combustion engine accurately determines current engine operational status (acceleration or deceleration) and controls optimally ignition timing. The exemplary system includes a microcomputer, drive circuits for driving ... | 10/22/1996 |
| 5467753 | Ignition timing control apparatus for internal combustion engine of vehicle An ignition timing control apparatus for an internal combustion engine of a vehicle includes a detector connected to an internal combustion engine for detecting a revolution number of the internal combustion engine and a control unit operatively connected... | 11/21/1995 |
| 5445127 | Method and system for reducing engine spark knock during a rapid transient A method and system is provided for reducing engine spark knock during rapid transient operating conditions. The method includes the step of determining, at periodic intervals, an estimate of airflow into a combustion chamber. The method also includes the... | 08/29/1995 |
| 5422811 | Engine ignition timing control system and method An ignition timing control system and method for multicylinder internal combustion engine, utilizing a variable valve operating system such as variable valve timing system and a partial cylinder operating system. An engine control unit calculates a standa... | 06/06/1995 |
| 5383434 | Method of damping engine vibrations The invention relates to a method of damping abnormal vibrations or bucking of spark ignition engines by adjustment of the ignition angle, including simultaneous detection and temporary storage of a value representative of the effective or instantaneous l... | 01/24/1995 |
| 5150300 | Ignition timing controller for spark-ignition internal combustion engine using estimated cylinder wall temperature An ignition timing controller is furnished for use in a spark-ignition internal combustion engine. The controller includes a device for setting the ignition timing of the engine in accordance with the state of operation of the engine and another device fo... | 09/22/1992 |
| 5119782 | Ignition timing control system for internal combustion engine An ignition timing control system for vehicle internal combustion engines which retards the ignition timing during acceleration so as to reduce power shock caused by drive shaft vibration generated when the body of a vehicle with a high-powered engine is ... | 06/09/1992 |
| 5070840 | Ignition system for marine propulsion unit An electronic engine speed control particularly adapted for use in marine vehicles for maintaining engine speed in the event the load on the engine changes. The spark timing is adjusted only in the event the engine speed changes without a change in positi... | 12/10/1991 |
| 5069184 | Apparatus for control and intake air amount prediction in an internal combustion engine An apparatus to calculate the intake pipe pressure using the degree of throttle opening and the engine speed, to use this intake pipe pressure to calculate a current intake pipe pressure, and to determine a predicted value from this current intake pipe pr... | 12/03/1991 |
| 5047943 | System and method for detecting engine revolution speed, identifying engine cylinder, and controlling engine operation according to detected engine revolution speed and identified cylinder A system and a method for detecting an engine revolution speed, identifying engine cylinders, and controlling an engine operation according to the detected engine revolution speed and identified engine cylinders in which a crank angle sensor includes a ro... | 09/10/1991 |
| 5040509 | Control system for controlling spark timing for engine A control system for controlling the timing for sparking an engine is adapted to retard a spark timing in a predetermined amount at the time of accelerating. An amount of retarding the spark timing at the time of accelerating is set to be gradually increa... | 08/20/1991 |
| 5010864 | Ignition timing control apparatus for an internal combustion engine An ignition timing control apparatus for a multi-cylinder internal combustion engine has a position sensor for generating a series of position signals. Each signal corresponds to one of the cylinders of the engine and indicates a first position and a seco... | 04/30/1991 |
| 5007397 | Ignition timing control device An ignition timing control device according to the present invention compensates the energizing preparatory time taken until commencement of energizing an ignition coil in reference to the ignition time which alters as the revolution of an engine varies, ... | 04/16/1991 |
| 5003950 | Apparatus for control and intake air amount prediction in an internal combustion engine An apparatus to calculate the intake pipe pressure using the degree of throttle opening and the engine speed, to use this intake pipe pressure to calculate a current intake pipe pressure, and to determine a predicted value from this current intake pipe pr... | 04/02/1991 |
| 5002029 | Method for controlling the firing angle of an internal-combustion engine Method for controlling the firing angle of an internal-combustion engine. During a special operation for example, thrust, the firing angle is controlled according to special values that are modified in comparison to normal values during a normal operation... | 03/26/1991 |
| 4987874 | Control system for controlling spark timing of engine A control system for controlling spark timing of the engine is to control the retarding of the spark timing at the time of accelerating in anticipation. The amount of retarding the spark timing at the time of accelerating is set larger when the torque con... | 01/29/1991 |
| 4981126 | Ignition timing control system A basic threshold value is calculated by averaging fluctuations of engine speed, and an acceleration threshold value which is higher than the basic threshold value is calculated. Surges existing in the fluctuation are compared with the basic threshold val... | 01/01/1991 |
