Class 123/406.5 - Acceleration or deceleration responsive

Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein the regulating means to vary spark
No. of patents: 34
Last issue date: 11/04/2008

Number	Title	Issue Date
7444985	Apparatus and method for controlling ignition timing of internal combustion engine A transient correction of an ignition timing is precisely executed even in a transient state. The ignition timing at a stationary time is computed on the basis of an operating state detected by an operating state detecting means, and the ignition timing at the stati...	11/04/2008
7263976	Method for controlling an internal combustion engine A method is proposed for controlling an internal combustion engine having a crankshaft, in which from the angular pulses of a sensor a pulse time is formed that is a measure for the rotation of the crankshaft of the internal combustion engine per time unit. At a pre...	09/04/2007
7159561	Internal combustion engine quick-stop A system and method for stopping an internal combustion engine. According to one aspect of the disclosure, a shutdown sequence of the engine includes retarding ignition timing relative to ignition timing prior to initiation of the shutdown sequence, and then advanci...	01/09/2007
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
7111607	Air intake device of internal combustion engine An air intake device of an internal combustion engine comprises a cylinder head having therein two intake ports that are adapted to connect to a cylinder of a cylinder block; and a single partition plate that extends across both the two intake ports so that each of ...	09/26/2006
7111460	Metering fuel pump A device and method for controlling the flow of a gaseous fuel from a fuel supply to a pressurized combustion chamber. A fuel pump is included in the gas train from supply to chamber. The fuel pump increases the pressure of the gas to allow efficient injection into ...	09/26/2006
6971930	Engine control unit To provide an engine control unit that can easily realize reacceleration in a jet propulsion boat. In a controller mounted in a jet propulsion boat that jets water pressurized and accelerated by a water jet pump from a rear jet and is propelled by its reaction, in c...	12/06/2005
6823842	Method and system for reducing engine spark knock during rapid transient A method for controlling spark timing. A plurality of tables provides borderline timing data contributors for each of a corresponding one of a plurality of different engine operating conditions. The contributors in each table are a function of engine speed and air c...	11/30/2004
6799556	Ignition controller for internal combustion engine The ignition controller includes a crank angle sensor of an internal combustion engine, a cam sensor, and a control unit for controlling the ignition of each cylinder on the basis of a crank angle signal and a cam signal. Upon detecting a change in the engine speed ...	10/05/2004
6796289	Ignition control apparatus for engine with turbocharger The burning of unburned fuel in an exhaust pipe is a technique for preventing a turbo lag. However, since the technique requires combustion in the exhaust pipe, the temperature in the exhaust pipe becomes high, which is likely to damage the exhaust pipe, cause the e...	09/28/2004
6705289	Device and method for determining the firing angle A device and a method are provided to, with the aid of a limiting module, advance the maximally retarded ignition angle by a value with respect to the static combustion limit. The timing advance of the maximally retarded ignition angle may be used to avoid uncontrol...	03/16/2004
6691675	Warm-up control apparatus and warm-up control method for internal combustion engine A warm-up control apparatus of an internal combustion engine is installed in a vehicle equipped with a brake booster that uses a negative pressure in an intake pipe of the internal combustion engine. The apparatus performs a warm-up control of the engine ...	02/17/2004
6668798	Apparatus for controlling ignition timing of engine An apparatus for controlling an ignition timing of an engine is capable of reducing or preventing occurrences of backfires. The apparatus includes a no-load deceleration state detector for detecting that an engine is in a no-load deceleration state. An en...	12/30/2003
6575150	Ignition timing control device for internal combustion engine In order to improve the control characteristics for ignition timing during transient operating conditions including engine startup, during engine transient operating conditions, a controller (1) sets an advance limit ADVLMT restricting the maximum value o...	06/10/2003
6571768	Vehicle deceleration force control device and control method thereof A vehicle deceleration force control device of the invention reduces deceleration force (assist braking force) during implementation of engine brake assist control over a predetermined time (t2 -t0) when a vehicle state is changed to...	06/03/2003
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
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
6220221	Method for avoiding bucking oscillations during acceleration of vehicles In a method to avoid bucking oscillations during acceleration of vehicles, the engine torque is varied. To reliably prevent bucking oscillations without adversely affecting the acceleration behavior and exhaust behavior, it is proposed that during operati...	04/24/2001
6148794	Induction control system for multi-valve engine A number of embodiments of induction systems for multiple valve internal combustion engines wherein the performance of the engine is improved throughout the engine speed and load ranges by providing variable effective areas for the induction passages. The...	11/21/2000
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
6012427	Internal combustion engine spark scheduling The present invention relates to apparatus for scheduling the ignition sparks for a spark ignition internal combustion engine. An ignition system for a spark ignition engine, includes a device for generating a series of pulses (12) upon each revolution of...	01/11/2000
5934247	Engine deceleration control device Undershoot of rotation speed is prevented by increasing an intake air amount of an engine when it decelerates. Precise control corresponding to differences of a deceleration state is realized by setting an increase amount of intake air to a different valu...	08/10/1999
5722364	Throttle linkage mechanism An adjustable throttle damper retards closure of associated throttle valves. The throttle damper is positioned between runners of an intake manifold to which the throttle valves communicate. A lever selectively couples the throttle damper to a throttle li...	03/03/1998
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 initiated, the sufficient air flow amount and speed are alread...	12/03/1996
5509389	Ignition timing control system for internal combustion engines An ignition timing control system for an internal combustion engine is associated with a fuel injection amount control system for calculating an amount of fuel to be supplied to the engine, based on operating conditions of the engine, correcting the calcu...	04/23/1996
5483946	Engine control system with rapid catalyst warm-up Air/fuel and ignition control of engine (28) are used to more rapidly heat-up a catalytic converter (52). A control system (8) generates a fuel command (100) for fuel delivery to the engine (28) based upon at least an amount of air inducted into the engin...	01/16/1996
5197431	Ignition timing control system for engine An ignition timing control system for an engine equipped with an automatic transmission corrects an ignition timing advance so as to retard ignition upon a demand to drop engine output torque when resumption of fuel injection is required after it has been...	03/30/1993
5070841	Ignition timing control system for internal combustion engine An ignition timing control system of the vehicle internal combustion engines which conducts ignition timing control retard adjustment during vehicle acceleration so as to eliminate vibration of the vehicle body caused by the sudden change in the engine ou...	12/10/1991
5050554	Ignition timing control apparatus for engines An ignition timing control apparatus for an engine which is capable of accurately estimating an engine speed immediately following the engine coming into an acceleration condition thereby enhancing the accuracy of ignition timing control, and a faulty cyl...	09/24/1991
4554900	Method for controlling ignition timing of an internal combustion engine A method for controlling ignition timing of an internal combustion engine using an electronic ignition timing control apparatus includes the steps of: (i) setting ignition timing when the engine is under load to a value determined by the amount of intake ...	11/26/1985
4538573	Electronic engine control An electronic controller for an internal combustion engine provides a ratio control signal corresponding to a respective air/fuel ratio, and responds to an air flow signal, a fuel flow signal and the ratio control signal to control fuel flow as to make th...	09/03/1985
4458646	Spark timing control system for an internal combustion engine A spark timing control system for an internal combustion engine features an ignition device, a power increase detector, a control device, and a temperature detector. The ignition device produces a spark in a combustion chamber of the engine. The power inc...	07/10/1984
4259723	Method for controlling operations of a combustion engine A method for controlling the supply of fuel and ignition spark for an internal combustion engine. The supply of fuel which is mixed with air is cut off upon engine deceleration and resumed thereafter. At the transition from the cut-off to resumption of su...	03/31/1981
4257363	Method and apparatus for controlling an internal combustion engine during and after engine braking An ignition control device for changing the ignition timing of an internal combustion engine during and after the occurrence of engine braking, i.e., during a condition of increased speed and low load, as during coasting. The device includes a circuit whi...	03/24/1981

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Class 123/406.5 - Acceleration or deceleration responsive