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| Number | Title | Issue Date |
| 8132556 | Ignition energy management with ion current feedback to correct spark plug fouling A system and method for operating an engine having ionization signal sensing include detecting plug fouling and controlling the engine using progressively more aggressive control strategies if the fouling condition persists. A first control strategy may be used when... | 03/13/2012 |
| 8122868 | Method and system for estimating and reducing engine auto-ignition and knock A control system for an engine includes a heat-release rate (HRR) module, a first filter module, a second filter module, an auto-ignition energy determination module, and a corrective action module. The HRR module generates an HRR signal based on in-cylinder pressur... | 02/28/2012 |
| 8113172 | Adjustable advance distributor A distributor is configured with an outer housing that has a first portion and a second portion. The first portion and the second portion are adjustable in angular orientation relative to each other. Movement of the second portion relative to the first portion chang... | 02/14/2012 |
| 7958868 | Control device for vehicle A vehicle control device for a hybrid vehicle, which equipped with at least an internal combustion engine and a rotary electrical machine that reduces the shock that is imparted to a vehicle when the internal combustion engine starts. The vehicle control device dete... | 06/14/2011 |
| 7909018 | Control for determining a firing timing of an internal-combustion engine A control for determining a firing timing of an engine is provided. An in-cylinder pressure is detected at a predetermined time interval. An in-cylinder pressure for every predetermined crank angle is calculated based on the detected in-cylinder pressure. A motoring... | 03/22/2011 |
| 7712450 | Ignition timing control apparatus and ignition timing control method for internal combustion engine In an ignition timing control apparatus for an engine, a KCS learning value learned when the engine is in a given operating state is used in an ignition timing control executed when the engine is in the other operating state. An estimated knocking occurrence ignitio... | 05/11/2010 |
| 7469678 | Adaptive MBT spark advance for conventional powertrains An engine control system to adaptively adjust the spark timing values in spark timing tables to achieve a mean best torque. The engine control system utilizes a spark timing module that contains spark timing values as a function of one or more operating conditions o... | 12/30/2008 |
| 7360525 | Control system for internal combustion engine A control system for an internal combustion engine wherein fuel injection timing is determined according to a detected engine operating condition. An actual ignition timing of the fuel is detected and an ignition delay correction amount is calculated wherein the act... | 04/22/2008 |
| 7316218 | Control system for hydrogen addition internal combustion engine Disclosed is a control system for a hydrogen addition internal combustion engine that uses hydrocarbon fuel and hydrogen gas as combustion fuel. The control system includes fuel property judgment means for judging the property of hydrocarbon fuel; and addition ratio... | 01/08/2008 |
| 7305871 | Cylinder discriminating device and method thereof, and engine ignition control device and method thereof A cylinder discriminating device includes a cylinder discriminating section. A crank rotor includes first and second non-tooth portions asymmetrically positioned on the crank rotor. The first non-tooth portion is positioned to correspond to a top dead center of a sp... | 12/11/2007 |
| 7300382 | Engine starting apparatus for an all-terrain vehicle A starting system is operable to quickly start an engine of an all-terrain vehicle, even when a transmission gear is at a forward gear position. A CPU detects the gear position of the transmission based on a gear position control signal generated by a shift switch a... | 11/27/2007 |
| 7297529 | Method and apparatus for performing a lateral flow assay An embodiment of the present invention provides a method for performing a lateral flow assay. The method includes depositing a sample on a test strip at an application region, detecting a first detection signal arising from the test strip in the first detection zone... | 11/20/2007 |
| 7299121 | Electronic control device for aviation engine An electronic control device is provided for an aviation engine. Each cylinder of the engine is equipped with main ignition plugs and back-up ignition plugs. Lane A including a first CPU and lane B including a second CPU are included in an ECU. The ignition control ... | 11/20/2007 |
| 7213572 | System and method for engine operation with spark assisted compression ignition A method of operating an internal combustion engine having a combustion chamber with a piston, comprising of adjusting an operating parameter of the engine so that a mixture of air and fuel in the combustion chamber approaches, but does not achieve, an autoignition ... | 05/08/2007 |
| 7185632 | Internal combustion engine and method of operating the same An internal combustion engine (20) has a cylinder (1) wherein a piston (2) is mounted. The piston (2) drives a crankshaft (10) which is rotatably journalled in a crankcase (11). The piston (2) delimits a combustion ch... | 03/06/2007 |
| 7185631 | Combustion control system and method for direct-injection spark-ignition internal combustion engine There is provided a combustion control system for a direct-injection spark-ignition internal combustion engine, including a fuel injection valve that injects fuel directly into a cylinder of the engine to form an air-fuel mixture in a combustion chamber of the engin... | 03/06/2007 |
| 7174879 | Vibration-based NVH control during idle operation of an automobile powertrain A system and method of operating a vehicle powertrain that employs active control to reduce NVH, particularly during idle. The method includes selectively operating the powertrain in at least a non-idle condition and an idle condition; receiving vibration signals fr... | 02/13/2007 |
| 7162998 | Method of starting an internal combustion engine for strong hybrid powertrains A control system for a vehicle includes a combustion engine and an electric propulsion system. The combustion engine includes a camshaft and a crankshaft. The control system improves NVH by deactivating the compression pulses during a cranking phase of the combustio... | 01/16/2007 |
| 6968825 | Control device for spark-ignition engine A control device for a spark-ignition engine, in which a mixture in a combustion chamber is fired by compression ignition in a part-load range under warm-running conditions, includes an EGR controller incorporating a valve operation controller for controlling intern... | 11/29/2005 |
| 6964260 | Electronic engine control device An electronic engine control unit for a motorcycle or other two-wheeled vehicle gradually decreases engine torque at the time of a failure so as to eliminate an uneasy feeling that an operator might experience if the engine torque were to be reduced abruptly. When a... | 11/15/2005 |
| 6898510 | Method of controlling an internal combustion engine In a method of controlling an internal combustion engine, at least one operating variable is controlled, a pre-control ignition timing efficiency is formed as a function of operating parameters of the engine and/or external intervention measures, and the pre-control... | 05/24/2005 |
| 6874472 | Ignition timing control apparatus for internal combustion engine and method thereof A controlled variable and a target in each of a variable valve event and lift control apparatus and a variable valve timing control apparatus are input, to calculate target opening timing of an intake valve corresponding to the target and also to calculate actual op... | 04/05/2005 |
| 6868829 | Maximum speed limitation for a two-cycle engine A method of limiting the maximum speed of a two-cycle engine in a manually-guided implement such as a hedge trimmer is provided. Via a unit for controlling the ignition time point in a crankshaft angular range prior to the upper dead center position of a reciprocati... | 03/22/2005 |
| 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 allocated to one cylinder, digital control signals being sent from the centr... | 07/20/2004 |
| 6750565 | Method of switching on an inductive load A method for switching on an inductive load, in particular an ignition coil, whose current is intended repeatedly to reach a predefined variable end value at a respectively predefined variable time, includes measuring the time interval between the switching-on actio... | 06/15/2004 |
| 6736107 | Method for controlling direct fuel injection of an engine during starting procedures A method is provided for igniting a fuel/air mixture within a preselected time after the fuel/air mixture has been injected into the combustion chamber of a cylinder. In this way, the ignition event occurs while the fuel/air mixture is stratified and before it has a... | 05/18/2004 |
| 6539919 | Ignition timing for engine with dual independent camshafts Optimum MBT and BDL ignition timing value are obtained from calibration values stored in stability limited (SL) and optimum power (OP) calibration tables using a power index (PI) value that is indicative of the relative desire of the driver for fuel econo... | 04/01/2003 |
| 6532936 | System and method for altering engine ignition timing A method for altering engine ignition timing includes removing a centered gear tooth sensor from an engine. The centered gear tooth sensor is replaced with an offset gear tooth sensor. The offset gear tooth sensor includes a sensing element that forms a s... | 03/18/2003 |
| 6505604 | Ignition timing control apparatus for internal combustion engine An ignition timing control apparatus for an internal combustion engine is provided which is capable of preventing the generation of knocking immediately after an intake air control valve is driven to operate. An intake air control valve (23) is provided i... | 01/14/2003 |
| 5722370 | Engine operation control system An engine operation control system which controls ignition timing is disclosed. The system fires all ignition elements simultaneously, at least one of the ignition elements being fired effectively and all other ignition elements fired ineffectively in acc... | 03/03/1998 |
| 5233960 | Engine ignition timing adjustment device An engine timing adjustment device is disclosed having a rotating member which rotates integrally with the crankshaft and which has ignition timing indicia on its surface. The device further has a timing pointer wherein the position of this pointer relati... | 08/10/1993 |
| 5090378 | Dual nozzle single pump fuel injection system A fuel-injection system for a stratified charge hybrid internal combustion engine including a main combustion chamber and prechamber, fuel injectors in both the main chamber and the prechamber which open at higher and lower pressure levels respectively to... | 02/25/1992 |
| 4103653 | Method of and apparatus for controlling ignition timing of an internal combustion engine The ignition timing of an engine is controlled to an optimum value in accordance with the amount of hydrogen supplied as an auxiliary fuel to the engine in addition to a main fuel.... | 08/01/1978 |
| 4090477 | Method of improving operation of internal combustion engines A process and apparatus for improving fuel economy and exhaust emissions of internal combustion engines operating at high altitude conditions. The process is comprised of adjustments to spark timing carburetor idling and crankcase ventilation flow to lean... | 05/23/1978 |
| 4013050 | Ignition system for a multifueled engine A manually operable lever feeds a selected fuel to the engine. A cam having lobes made of a magnetic material is affixed to a shaft driven off the engine. Each of a plurality of reluctance pickups is predeterminedly positioned to form a magnetic circuit w... | 03/22/1977 |
| 4005688 | Ignition system for internal combustion engines An ignition system for a spark-ignition type internal combustion engine comprising an ignition device capable of performing the spark timing control function, wherein in order to improve the engine torque, a temperature detecting element for detecting the... | 02/01/1977 |
| 3930474 | Ignition system for internal combustion engines An ignition system for a spark-ignition type internal combustion engine comprising an ignition device capable of performing the spark timing control function, wherein in order to improve the engine torque, a temperature detecting element for detecting the... | 01/06/1976 |
