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| Number | Title | Issue Date |
| 7845333 | Internal combustion engine apparatus, vehicle and control method of internal combustion engine apparatus When a condition for the prediction of the occurrence transient knocking has held, that is, when a cooling water temperature θw is not less than a threshold value θwref and an intake air flow Qa is not less than a threshold value Qaref and a deviation of the intak... | 12/07/2010 |
| 7784443 | Spark-ignition gasoline engine A spark-ignition gasoline engine having at least a spark plug, the engine including an engine body having a geometrical compression ratio set at 14 or more, and an intake valve and an exhaust valve provided, respectively, in intake and exhaust ports connected to eac... | 08/31/2010 |
| 7779813 | Combustion control system for an engine utilizing a first fuel and a second fuel A system for a multi-fuel engine includes adjusting delivery of one or more fuels in response to a condition of an ignition spark in the engine. In one example, the system adjusts one or more fuels in response to spark plug ionization detection to improve performanc... | 08/24/2010 |
| 7685996 | System and method to control pre-ignition in an internal combustion engine An engine system and method are disclosed for controlling pre-ignition of an alcohol fuel. In one embodiment, the fuel injection timing is adjusted to cause the fuel to avoid combustion chamber surfaces. In another embodiment, the fuel injection timing is adjusted t... | 03/30/2010 |
| 7475671 | Method for compensating injection timing during transient response of pre-mixed combustion A method for compensating fuel injection timing when a torque signal or throttle command indicates that a transient operation is about to transpire. The control adjusts the fuel injection timing in advance of the transient operation to prevent loss of torque due to ... | 01/13/2009 |
| 7444984 | Control system for internal combustion engine A control system for an internal combustion engine having at least one fuel injection valve for injecting fuel into a combustion chamber of the engine, and an exhaust gas recirculation mechanism for recirculating a portion of exhaust gases from the engine to the com... | 11/04/2008 |
| 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 |
| 7415955 | Starting system for internal combustion engine In one aspect, an internal combustion engine includes a fuel injector for injecting fuel into a combustion chamber to produce an air-fuel mixture in the combustion chamber, a spark plug for igniting the air-fuel mixture to cause combustion in the combustion chamber ... | 08/26/2008 |
| 7404390 | Method for operating an externally ignited internal combustion engine In a method for forming a fuel/air mixture of a directly injecting internal combustion engine with a spark ignition, the fuel injection is configured in a stratified charge operating mode of the internal combustion engine in such a way that a first, a second and opt... | 07/29/2008 |
| 7383813 | Method and device for controlling the transition between normal operation and overrun fuel cut-off operation of an Otto engine operated with direct fuel injection The problem during overrun fuel cut-off operations, i.e. cut-off of fuel injection during trailing throttle conditions of the vehicle, is that the transition entails an undue torque jump, resulting in the smooth operation of the engine and the driving comfort of the... | 06/10/2008 |
| 7370634 | Internal combustion engine spark timing control system A method for controlling spark timing in an internal combustion engine. The method includes determining, in response to a knock sensor mounted to the engine, a spark offset to the scheduled spark timing for the engine at relatively low engine speed which is applied ... | 05/13/2008 |
| 7369932 | System and method for turbine engine fault detection using discrete event system modeling A system and method is provided for fault detection in a turbine engine. The fault detection system and method uses discrete event system modeling to provide improved fault diagnosis and prognosis. The fault detection system and method receives sensor taken at multi... | 05/06/2008 |
| 7367310 | Controller for compression ignition engine The controller includes combustion mode switching means for decreasing an exhaust gas temperature in the spark ignition combustion immediately before the combustion mode switching based on an estimated exhaust gas temperature immediately before the combustion mode s... | 05/06/2008 |
| 7367322 | Controller of an internal combustion engine When the first fuel injection is performed after reversion from the fuel cut, the fuel pulse width Ka·INJ.PW is set so that a fuel supply amount is greatly increased in relation to an intake air amount, and the ignition timing is set to the first retarded ignition ... | 05/06/2008 |
| 7363911 | Humidity-based combustion control in a multiple combustion mode engine A system and method for controlling operation of a gasoline internal combustion engine capable of running in a spark ignition mode and a homogeneous charge compression ignition mode. The method and system implementation include determining humidity of air to be draw... | 04/29/2008 |
| 7357121 | Control apparatus for internal combustion engine An engine ECU executes a program including the steps of: calculating a fuel injection ratio of an in-cylinder injector; calculating an amount of spark advance using a first map employed when the in-cylinder injector has a fuel injection ratio of one, said first map ... | 04/15/2008 |
| 7350504 | Control apparatus and method for inner cylinder direct injection spark ignited internal combustion engine In control apparatus and method for an inner cylinder spark ignited internal combustion engine having a fuel injection valve configured to directly inject fuel into an inside of an engine cylinder and a spark plug, a super retard combustion is executed to set an ign... | 04/01/2008 |
| 7349789 | Method for controlling supply of fuel to a combustion engine A method for controlling supply of fuel to a combustion engine, e.g. a self-igniting internal combustion engine in a vehicle, having a first group of cylinders and a second group of cylinders, the method comprising the steps of: determining if a demanded total fuel ... | 03/25/2008 |
| 7347183 | Control apparatus and control method for engine For accurately estimating an air quantity flowing into a cylinder at the time of operating an intake control valve, a control apparatus for an engine according to the present invention is provided with an intake control valve which can open/close an intake passage i... | 03/25/2008 |
| 7343900 | Ignition timing controller of internal combustion engine To provide an ignition timing controller of an internal combustion engine which prevents poor acceleration due to overcorrection for retard and the occurrence of knocking due to undercorrection for retard regardless of a change in the ratio of fuel injections, the i... | 03/18/2008 |
| 7331332 | Method for operating an internal combustion engine An internal combustion engine includes multiple combustion chambers. The supply of fuel into at least one subset of the combustion chambers can temporarily be interrupted. It is provided that the fuel be injected into the combustion chambers directly and during a sw... | 02/19/2008 |
| 7328683 | Method and device for controlling the transition in a direct injection internal combustion engine During the changeover from a first operating mode of a spark-ignition engine with direct fuel injection to a second operating mode, in particular between a homogeneous stoichiometric and homogeneous lean, stratified or HCCI operation with changeovers of the valve st... | 02/12/2008 |
| 7311080 | Idle speed controller of internal, combustion engine, and internal combustion engine controller and internal combustion engine An idle rotational speed controller of an internal combustion engine includes an intake path for supplying air to a combustion chamber. An auxiliary intake path communicates the intake path on upstream and downstream sides of a throttle valve in the intake path. An ... | 12/25/2007 |
| 7308885 | Engine control system with fuel injection timing control method A fuel control system for a cylinder direct injection internal combustion engine. A predetermined portion of the fuel spray is appropriately ignited regardless of the correction of the ignition timing, thereby always securing stable, satisfactory combustion. In the ... | 12/18/2007 |
| 7302932 | Pre-ignition detection and mitigation A system and method for detecting and mitigating preignition for a multi-cylinder engine is provided. According to one aspect of the disclosure, a method is provided including identifying a preignition event at an affected cylinder; deactivating the affected cylinde... | 12/04/2007 |
| 7302933 | System and method for engine with fuel vapor purging A method for controlling engine operation of an engine having a cylinder receiving fuel from a first and a second fuel injector, the first injector having a first relationship between a first input signal and a first amount of injected fuel, and the second injector ... | 12/04/2007 |
| 7302928 | Control apparatus for internal combustion engine An engine ECU executes a program including the step of detecting an engine coolant temperature (THW), the step of selecting a map for a warm state as the map for calculating a fuel injection ratio (or a DI ratio) r when the engine coolant temperature (THW) is equal ... | 12/04/2007 |
| 7302835 | Method and device for determining a phase position between a crankshaft and a camshaft of an internal combustion engine The invention relates to a method and device for determining a phase position between a crankshaft and a camshaft of an internal combustion engine. An internal combustion engine is provided with a crankshaft, a camshaft, at least one cylinder and an intake tract to ... | 12/04/2007 |
| 7281517 | Internal combustion engine provided with double system of fuel injection A double system of fuel injection type internal combustion engine includes: a direct injection injector and a port fuel injection injector; a control unit for changing a fuel injection distribution ratio of fuels injected from these injectors; a delivery pipe for th... | 10/16/2007 |
| 7280906 | Method for detecting misfires of an internal combustion engine and device for carrying out the method A method for detecting combustion misfires of an internal combustion engine and a device for carrying out the method, in which an evaluation of a lambda signal made available by at least one broadband lambda sensor is provided. The lambda signal is compared to a lam... | 10/09/2007 |
| 7280339 | Operating device for inductive electrical actuators A power circuit provided with an operating circuit for each electrical actuator and including a set of switches controlled selectively to regulate the current flowing through the electrical actuator. The operating device includes a control circuit which can cause th... | 10/09/2007 |
| 7273033 | Engine control device An engine control device can be capable of suppressing a rise in engine speed at starting. The engine speed can be detected by a speed sensor and a determination can be made whether the engine speed has changed from a starting mode to a normal mode. If the engine sp... | 09/25/2007 |
| 7271558 | Method for the generation of electrical pulses In rotating systems with angular references, angular- and/or time-based pulses must be generated which can be described in a generic manner to meet various requirements. The parameters for definition of the pulse are assigned as a value pair to permit more flexibili... | 09/18/2007 |
| 7270112 | Control apparatus for internal combustion engine and engine system For an internal combustion engine having an in-cylinder injector and an intake manifold injector, setting of the ratio of fuel injection (DI ratio) between these injectors is changed depending on whether the intake manifold injector is in a high temperature state or... | 09/18/2007 |
| 7263985 | Exhaust emission control device in internal combustion engine and heat engine Catalyst is supported at least on a part of the combustion chamber wall of an internal combustion engine. A control is provided for controlling the fuel injection equipment of the engine so that pilot fuel injection is performed prior to main fuel injection under pr... | 09/04/2007 |
| 7263430 | Internal combustion engine knock determination device and ignition control system including the same An engine ECU executes a program including the steps of: detecting a waveform of vibration of an engine at a predetermined knock detection gate; determining whether a detected vibration's waveform and a knock waveform model stored in memory match within a predetermi... | 08/28/2007 |
| 7249495 | Stroke determination system for four stroke cycle engine A system for performing stroke determination and cylinder determination by using intake pressure as a parameter, in order to provide a stroke determination system for a four stroke cycle engine by which accurate determination can be achieved. ... | 07/31/2007 |
| 7246600 | Control device for internal combustion engine An ECU executes a program including the steps of: calculating a base timing of injection (INJB); determining whether an engine knocks; if the engine knocks, increasing a correction value INJK(I) applied to correct a timing of injection; and calculating the base timi... | 07/24/2007 |
| 7243549 | Acoustic wave lubricity sensor A lubricity sensor includes a flexural plate wave device and a face shear mode bulk acoustic wave device, which is associated with and located proximate to the flexural plate wave device. The face shear mode bulk acoustic wave device and the flexural plate wave devi... | 07/17/2007 |
| 7237537 | Compression-ignition engine configuration for reducing pollutants and method and system thereof In accordance with one aspect of the present technique, a method of reducing pollutant emissions from a compression-ignition engine is provided. The method includes adjusting timing of fuel injection into a combustion chamber of a piston-cylinder assembly of the com... | 07/03/2007 |
