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| Number | Title | Issue Date |
| 7299680 | Knocking detection An in-cylinder pressure sensor for outputting a signal corresponding to an internal cylinder pressure of an engine is provided. A first signal and a second signal are extracted from the output signal of the in-cylinder pressure sensor. The first signal has a frequen... | 11/27/2007 |
| 7267103 | Ignition timing control system for internal combustion engine An ignition timing control system for internal combustion engines, which is capable of preventing occurrence of variation in engine speed and vibrations which can be caused due to variation in combustion state between the cylinders, to thereby improve drivability. T... | 09/11/2007 |
| 7225793 | Engine timing control with intake air pressure sensor An engine control apparatus is disclosed for determining crankshaft position and engine phase of an internal combustion engine through monitoring intake air pressure fluctuations. The opening of the intake valve is mechanically linked to the crankshaft position of a... | 06/05/2007 |
| 7213573 | System and method of controlling engine dilution rate using combustion stability measurer derived from the ionization signal This feature of the present invention comprises a system and method of controlling exhaust gas recirculation (EGR) based on a measure combustion stability measure. The combustion stability measure is obtained by determining the integration duration of the engine ion... | 05/08/2007 |
| 7082363 | Method for measuring the rotational speed of a crankshaft In a method for determining the rotational speed of the crankshaft of an internal combustion engine having a sensor disk which is connected to a crankshaft of the internal combustion engine, the sensor disk having a marking via a system of alternating teeth and toot... | 07/25/2006 |
| 7073485 | Engine management An engine management system for an internal combustion engine, which has at least one cylinder pressure sensor and at least one engine actuator, includes a data processor arranged to receive and process cylinder pressure data from the cylinder pressure sensor and th... | 07/11/2006 |
| 7066146 | Controller of internal combustion engine A device for controlling an internal combustion engine, comprising a variable valve mechanism for varying opening areas (valve lift) or the working angles (valve-opening periods) of at least either the intake valves or the exhaust valves, wherein a pressure in the c... | 06/27/2006 |
| 7063071 | Method and device for controlling an internal combustion engine A device and a method for controlling an internal combustion engine, where a first variable characterizing the pressure in the combustion chamber of at least one cylinder of the internal combustion engine is measured by at least one sensor. A second variable charact... | 06/20/2006 |
| 7028656 | Start control apparatus for internal combustion engine A start control apparatus for an internal combustion engine according to the present invention is characterized by that in a port injection type internal combustion engine, fuel is supplied in the interior of a cylinder that is in its compression stroke or expansion... | 04/18/2006 |
| 7031792 | Processing apparatus and information storage apparatus and method A processing apparatus comprises a process apparatus body equipped with a plurality of process sections for applying a predetermined processing to a target object and a transfer device for transferring the target object among the process sections, a first control se... | 04/18/2006 |
| 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 |
| 7000596 | Method and apparatus for controlling an internal combustion engine using combustion chamber pressure sensing The present method and apparatus employ a signal indicative of cylinder pressure within the combustion chamber of an internal combustion engine to control combustion phasing or start of combustion (SOC) in subsequent cycles of the engine where the engine is driven b... | 02/21/2006 |
| 6938466 | Fuel driveability index detection An exemplary embodiment is a method, system and storage medium for fuel driveability index detection. The system includes an engine and an oxygen sensor disposed within the exhaust gas passage of the engine. An engine control module is operatively connected to the e... | 09/06/2005 |
| 6557528 | Method of controlling detonation in an internal combustion engine A method of controlling detonation in an internal combustion engine is provided with the steps of: combusting a fuel and air mixture within a combustion cylinder; sensing a plurality of pressures at discrete points in time within the combustion cylinder; ... | 05/06/2003 |
| 6516781 | Method and system for enhanced engine control based on cylinder pressure A method for controlling an engine having a cylinder includes sensing cylinder pressure; comparing the cylinder pressure to a pressure threshold; and adjusting an engine control parameter when the cylinder pressure exceeds the pressure threshold. A system... | 02/11/2003 |
| 6272426 | Predicting cylinder pressure for on-vehicle control An apparatus for predicting cylinder pressure for on-vehicle control of an internal combustion engine includes a piston sensor, a cylinder pressure sensor, and a controller. The piston sensor is coupled to a piston located in the engine. The piston sensor... | 08/07/2001 |
| 5893349 | Method and system for controlling air/fuel ratio of an internal combustion engine during cold start A method and system for controlling air/fuel ratio of an internal combustion engine during cold start operation utilizes control logic to determine a base fuel pulsewidth and a base spark timing according to corresponding cold-start look-up tables. A cran... | 04/13/1999 |
| 5722371 | Process for controlling the warm-up in an internal combustion engine In a process for controlling the warm-up in an internal combustion engine, the combustion chamber pressure is evaluated, so that the warm-up period is divided into first and second phases that are controlled differently.... | 03/03/1998 |
| 5692474 | Engine combustion control apparatus An engine combustion control apparatus includes a pressure sensor provided at each of the cylinders in an engine, for detecting the pressure in each cylinder, and a controller for calculating the state variables of the intake amount and combustion tempera... | 12/02/1997 |
| 5664544 | Apparatus and method for control of an internal combustion engine Within a predetermined time immediately after start up, ignition timing is retarded within a range wherein the output fluctuations do not exceed a predetermined permissible limit. Subsequently under conditions after elapse of the predetermined time but wh... | 09/09/1997 |
| 5339245 | System for detecting combustion state in internal combustion engine A combustion state detecting system for an internal combustion engine which is equipped with a combustion state detector for detecting a combustion state of said engine. The system also includes an amplifier having a plurality of amplification factors to ... | 08/16/1994 |
| 5284114 | Apparatus and method for controlling an internal combustion engine An apparatus and method for controlling an internal combustion engine can perform exact timing control for ignition timing, fuel injection timing and the like in an inexpensive manner. A crank angle sensing means 20 generates a crank angle signal θ compr... | 02/08/1994 |
| 5070842 | Apparatus for controlling ignition timing in internal combustion engine An apparatus for controlling ignition timing in an internal combustion engine wherein the ignition timing is controlled such that a crank angle at which an increased rate of pressure in a cylinder is maximized coincides with a target value, e.g., an MBT p... | 12/10/1991 |
| 5050555 | System and method for controlling ignition timing for internal combustion engine in which alcohol is mixed with gasoline A system and method for controlling ignition timing for a lean burn type internal combustion engine in which alcohol is mixed with gasoline. A final ignition timing value ADV is determined from a basic ignition timing value BASE, a feedback correction qua... | 09/24/1991 |
| 5038737 | Control apparatus for an internal combustion engine A control apparatus for an internal combustion engine calculates a basic fuel injection amount or a basic ignition timing for an engine based on the air intake quantity into the cylinders of the engine. The air intake quantity is calculated based on the p... | 08/13/1991 |
| 5027773 | Control device for an internal combustion engine A control device for an automotive engine provided with a fuel injection valve determines the current value of a parameter (e.g. the mean effective combustion pressure) indicative of the output power of the engine, and compares it to the target value ther... | 07/02/1991 |
| 4993388 | Spark ignition timing control system for internal combustion engine adapted to mixture fuel of more than one individual fuels having mutually different combustion characteristics In order to accomplish aforementioned and other objects, a spark ignition timing control system, according to the present invention, is adapted to perform spark ignition timing control for an internal combustion engine combustioning a blended fuel, such a... | 02/19/1991 |
| 4970667 | Apparatus for detecting a crankshaft position at which maximum cylinder pressure appears An apparatus for detecting a crankshaft angular position θpmax at which the cylinder pressure reaches its maximum level. The apparatus samples a cylinder pressure indication signal at a predetermined target crankshaft angular position and at c... | 11/13/1990 |
| 4966117 | System and method for controlling ignition timing for vehicular internal combustion engine A system and method for controlling an ignition timing for a vehicular internal combustion engine are disclosed in which a feedback correction quantity for the ignition timing value is calculated on the basis of a result of detection of at least one of an... | 10/30/1990 |
| 4951630 | Ignition control system for an internal combustion engine An ignition control system for an internal combustion engine capable of determining appropriate ignition timing in an exact manner without employing a crank angle sensor so as to optimize the combustion of the mixture in the engine cylinders. To this end,... | 08/28/1990 |
| 4949691 | System and method for controlling ignition timing for internal combustion engine A system and method for controlling ignition timing for a vehicular internal combustion engine in which when the engine is transferred to a transient operating state (accelerated or decelerated), a correction for the basic ignition timing determined accor... | 08/21/1990 |
| 4896642 | Control device for an internal combustion engine The maximum inner pressure of a cylinder of an internal combustion engine and the crank angle at the time when the maximum inner pressure takes place are detected. On the basis of the values as detected, a cylinder temperature is calculated whereby an amo... | 01/30/1990 |
| 4892075 | Crank angle detecting system for internal combustion engines A crank angle detecting system for an internal combustion engine is provided which comprises a pressure sensor, a crank angle sensor, and crank angle judging device. The pressure sensor is adaptable for sensing pressure within the cylinder and provides pr... | 01/09/1990 |
| 4875450 | Ignition timing controlling device for an internal combustion engine An ignition timing controlling device for an internal combustion engine includes a reference position signal generating circuit for generating a reference position signal each time the rotational angular position of a crank of an internal combustion engin... | 10/24/1989 |
| 4846128 | Ignition timing control system for internal combustion engine An ignition timing control system for an internal combustion engine which controls the ignition timing for one engine cycle in response to the maximum peak position datum of the indicative pressure signal representing the inner pressure within the combust... | 07/11/1989 |
| 4802454 | Device for controlling ignition timing in internal combustion engine A device for controlling ignition timing in an internal combustion engine comprises a pressure sensor disposed in the vicinity of each combustion chamber and is able to determine both the maximum cylinder pressure angle and the presence/absence of knockin... | 02/07/1989 |
| 4774922 | Spark ignition timing control system for spark ignition internal combustion engine with quicker advance of spark advance in transition from anti-knock mode to MBI mode control operation A spark ignition timing control system takes a feature of storing spark advance angle data in MBT mode upon switching control mode from MBT mode to anti-knock level exceeding a predetermined level. The stored spark advance angle is read and set as initial... | 10/04/1988 |
| 4762106 | Arrangement for the generation of a trigger pulse for the ignition of fuel in an internal combustion engine Arrangement for the generation of a trigger pulse for the ignition of fuel in an internal-combustion engine, the trigger pulse being generated with a present crankshaft angular position, related to a reference angle position. The technical problem is an o... | 08/09/1988 |
| 4748952 | Ignition timing control system for internal combustion engine An ignition timing control system for an internal combustion controls the ignition timing in dependence upon an indicative pressure signal representing changes of the inner pressure within the combustion chamber of the engine. The ignition timing control ... | 06/07/1988 |
