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| Number | Title | Issue Date |
| 7950368 | Engine and exhaust heating A method for controlling a vehicle engine having a plurality of cylinders is provided. The method comprises: during engine idling, advancing spark timing of at least one cylinder to before a peak torque timing, and retarding spark timing from the advanced timing tow... | 05/31/2011 |
| 7950369 | Internal combustion engine controlling apparatus In a predetermined low-temperature startup state (in a rich atmosphere), in principle, over-advanced ignition control for advancing ignition timing beyond MBT and intake-synchronized injection control for causing the entire amount of to-be-injected fuel to undergo i... | 05/31/2011 |
| 7753028 | Control apparatus and method for internal combustion engine A fixed ignition mode in which ignition timing is fixed to a predetermined timing is selected when an engine speed is low. When in the fixed ignition mode, it is determined whether the engine is in a high temperature state or in a non-high temperature state and whet... | 07/13/2010 |
| 7699039 | Start safety ignition system A method for controlling an ignition system of an internal combustion engine having a primary firing pulse generator for charging a capacitor. An electronic switch is included for discharging the capacitor via an ignition coil to generate an ignition voltage. A micr... | 04/20/2010 |
| 7472688 | Ignition device for internal combustion engine A capacitor discharge ignition device for an internal combustion engine including: idling time advance angle control permission condition determination means for determining whether an idling time advance angle control permission condition is met that is a condition... | 01/06/2009 |
| 7418946 | Engine start control apparatus and method An engine start control apparatus includes an intake air amount control device for controlling an amount of air supplied to a combustion chamber, a fuel supply device for injecting fuel to be fed into the combustion chamber, and an igniting device for igniting the f... | 09/02/2008 |
| 7406942 | Direct-injection internal combustion engine and method of controlling the direct-injection internal combustion engine A direct-injection internal combustion engine includes a variable-exhaust-valve control device for controlling value timing of a variable exhaust valve through which the combustion chamber of an engine cylinder communicates with an exhaust path. The variable-exhaust... | 08/05/2008 |
| 7395810 | Engine start control apparatus Oil level detection sensor detects an oil level in a crankcase. First charging circuit includes a serial connection of a first charging capacitor for charging a reverse voltage produced in a primary coil, the detection sensor, and a first diode. Thyristor is turned ... | 07/08/2008 |
| 7330105 | System and apparatus for vehicle electrical power analysis Apparatus for monitoring an electrical power supply system of a vehicle, the vehicle having a battery and internal combustion engine, an alternator, and a starter. The apparatus has a filter for determining the battery terminal voltage when the vehicle ignition is t... | 02/12/2008 |
| 7325528 | Method of operating a single cylinder two-stroke engine The invention is directed to a method for operating a two-stroke engine having a cylinder in which a combustion chamber is formed and which includes devices for metering fuel and supplying combustion air as well as an ignition device for igniting a mixture in the co... | 02/05/2008 |
| 7229381 | Method for controlling engine starts for a vehicle powertrain A method is disclosed for controlling an internal combustion engine in a vehicle powertrain. A filtered driver demand for torque at vehicle traction wheels is used to determine an engine torque command. The engine torque command is initialized to a percentage of a t... | 06/12/2007 |
| 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 |
| 7174880 | Method for operation of an internal combustion engine An internal combustion engine has an air intake tract which comprises at least one inlet pipe leading to one intake duct per cylinder of the internal combustion engine. It also has at least one exhaust gas duct per cylinder of the internal combustion engine, at leas... | 02/13/2007 |
| 7171948 | Ignition device for internal combustion engine A capacitor-discharge-type ignition device for an internal combustion engine, comprising: an exciter coil that generates an AC voltage having a positive half-wave voltage and first and second negative half-wave voltages present before and after the positive half-wav... | 02/06/2007 |
| 7165526 | Direct injection engine and controller for the same A direct injection engine and a controller for the engine, which can realize super-retard combustion under high backpressure and can minimize an emission amount of HC at the startup. A cavity is formed in a piston such that fuel spray injected from a fuel injection ... | 01/23/2007 |
| 7128052 | System and method for exhaust heat generation using electrically actuated cylinder valves A method for operating an engine having at least a first and second cylinder [group], the first cylinder having a first electrically actuated valve and the second cylinder having a second electrically actuated valve, comprising of operating the first cylinder with a... | 10/31/2006 |
| 7095182 | Ignition control apparatus for internal combustion engine An ignition control apparatus for an internal combustion engine of the present invention has a switching circuit and a control circuit. The switching circuit includes a first switch controlling a main current constituting the most portion of the coil current, a seco... | 08/22/2006 |
| 7077224 | Hybrid vehicle and method of controlling the same When a starter switch is switched from OFF to ON, a hybrid ECU determines that a driver intends to start driving a vehicle, reads a temperature of each of items (engine coolant, injectors, lubricating oil, and the like), and makes a determination on the necessity of... | 07/18/2006 |
| 7069720 | Cylinder event based fuel control A method to deliver fuel during a start for an internal combustion engine is described. The method provides individual cylinder fuel control based on the number of fueled cylinder events. The method offers improved engine emissions while maintaining engine run-up pe... | 07/04/2006 |
| 7047127 | Method and device for determining the initial angle position of an internal combustion engine A method and device in which teeth or gaps of a pickup wheel passing a crankshaft sensor are counted constantly, i.e. even when the internal combustion engine is switched off and the stored number of teeth is used to determine the initial angle position of the inter... | 05/16/2006 |
| 7032571 | Internal combustion engine controller From the start of the engine to the detection of an engine speed peak, a control parameter (e.g., ignition timing) different from an air intake rate relating to an engine output is set to a value at which the engine output decreases than at an idling value. After de... | 04/25/2006 |
| 7032572 | Method for controlling an engine to obtain rapid catalyst heating A method is disclosed for controlling operation of an engine coupled to an exhaust treatment catalyst. Under predetermined conditions, the method operates an engine with a first group of cylinders combusting a lean air/fuel mixture and a second group of cylinders pu... | 04/25/2006 |
| 7017556 | Engine start fuel control system An engine startup fuel control system for use with a four-cycle internal combustion engine of the type having a plurality of combustion chambers, an air intake passageway, a source of fuel, a crankshaft and a camshaft which operates the engine cylinder valves. A mul... | 03/28/2006 |
| 7007667 | Cold start fuel control system An engine startup fuel control system for use with an internal combustion engine of the type having a plurality of combustion chambers, an air intake passage fluidly connected to each combustion chamber and a source of fuel. The system includes a multipoint fuel inj... | 03/07/2006 |
| 6978761 | Cylinder event based spark A method to deliver spark during a start for an internal combustion engine is described. The method provides individual cylinder spark angle control based on the number of fueled cylinder events. The method offers improved engine emissions while maintaining engine s... | 12/27/2005 |
| 6973911 | Method and device for controlling ignition timing of ignition device for internal combustion engine The invention simplifies the structure of a magneto generator and stabilizes the operation of an internal combustion engine at the time of start-up, thereby providing an ignition device simplified in structure and reduced in size and providing improved safety to the... | 12/13/2005 |
| 6968269 | Engine control device To detect a stroke reliably at the time of the start of the engine when a stroke cannot be detected based on crank pulses alone. A stroke is detected based on a difference ΔN between the engine rotational speeds at top and bottom dead centers and a flag F | 11/22/2005 |
| 6961652 | Control apparatus for an internal combustion engine A microcomputer calculates a requisite time for controlling a predetermined device of an internal combustion engine. The microcomputer estimates time required for a crank shaft of the engine to rotate from a present crank angle to a designated crank angle. The micro... | 11/01/2005 |
| 6955155 | Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device A method is disclosed for controlling operation of an engine coupled to an exhaust treatment catalyst. Under predetermined conditions, the method operates an engine with a first group of cylinders combusting a lean air/fuel mixture and a second group of cylinders pu... | 10/18/2005 |
| 6940284 | Efficient diagnosis of faulty distributorless and hybrid ignition systems A method for efficiently determining whether a distributorless or hybrid ignition system is the origin of engine problems by consecutively disconnecting and reconnecting the primary connector from each coil of the ignition system. Once a single primary connector is ... | 09/06/2005 |
| 6935311 | Engine control with fuel quality sensor A system is described using a fuel quality sensor for controlling various aspects of engine operation. In particular, an acoustic wave sensor is utilized to measure viscosity and density of gasoline fuels. This measurement is utilized to predict engine combustion qu... | 08/30/2005 |
| 6935312 | Internal combustion engine and ignition control method An ECU executes a determination process determining whether the rate of increase in the engine speed is above a prescribed rate immediately after the engine start, and if so, delays the ignition timing. ... | 08/30/2005 |
| 6932057 | Engine control device To permit reliable occurrence of initial combustion at the start of an engine during which a stroke is not determined by only a crank pulse and to increase an engine speed. During a period from when cranking is started until a stroke is detected, fuel is inje... | 08/23/2005 |
| 6901908 | Idle speed control apparatus and method for internal combustion engine An idle speed control apparatus for an internal combustion engine is provided which, when the internal combustion engine is started in a cold mode, provides ignition timing engine speed control (m1) such that ignition timing in which said ignition driving dev... | 06/07/2005 |
| 6899082 | Method and system for controlling engine ignition timing The ignition timing control system for an internal combustion engine includes an ignition device and a control unit. The control unit is programmed to execute steps including: determining if a predetermined condition for ignition timing retardation control; calculat... | 05/31/2005 |
| 6895932 | Synchronized cylinder event based spark A method to deliver spark during a start for an internal combustion engine is described. The method provides individual cylinder spark angle control based on the number of cylinders after synchronization between engine timing and an engine controller are achieved. T... | 05/24/2005 |
| 6892700 | Engine control system for an outboard motor An electronically controlled engine management system for an outboard motor, which determines the temperature of the engine and manipulates the engine management parameters to allow the engine to operate smoothly and efficiently. The engine temperature detection per... | 05/17/2005 |
| 6879905 | Apparatus and a method for controlling an engine Engine cranking control is ended when it is detected that the battery voltage for driving the starter is lowered to at least as low as a starter drive judgment value and thereafter, returns to at least a starter stop judgment value during the engine cranking control... | 04/12/2005 |
| 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 regulates an intake air flow rate. When the eng... | 01/25/2005 |
| 6843216 | Internal combustion engine and control method of the same The internal combustion engine includes an engine preheating apparatus for preheating the internal combustion engine upon or before starting thereof. This internal combustion engine further includes an air-fuel ratio controller for setting an air-fuel ratio of the i... | 01/18/2005 |
