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| Number | Title | Issue Date |
| 8180553 | Controlling cylinder mixture and turbocharger operation A method for controlling differences in exhaust gas residual amount for a two cylinder bank engine having at least one turbocharger is presented. In one example, the description includes a method for adjusting valve timing to reduce cylinder exhaust gas residual var... | 05/15/2012 |
| 8180552 | Variable valve timing apparatus and control method thereof In valve timing control after issuance of an engine stop instruction with a prescribed value set as a target phase, an ECU delays permission of an engine stop process within a prescribed time period while an intake valve phase has not yet reached the target value, s... | 05/15/2012 |
| 8175788 | Control unit of diesel engine A diesel engine is provided with an exhaust fuel addition valve capable of adding fuel from an exhaust passage on an upstream side of an exhaust post-treatment device. An ECU, which is a control unit of the diesel engine, has a function to estimate biofuel concentra... | 05/08/2012 |
| 8165781 | Fuel recovery Fuel is recovered from a combustion engine without turning the combustion engine on. A controller initiates operation of a fuel pump of the combustion engine to cause the fuel pump to pump a predefined amount of fuel in the fuel line directly to a drain conduit.... | 04/24/2012 |
| 8165780 | Boosted engine control responsive to driver selected performance Various systems and methods are described for operating an engine in a vehicle in response to a driver performance/economy mode. One example method comprises delivering a first fuel to a cylinder of the engine from a first injector, delivering a second, different, f... | 04/24/2012 |
| 8165779 | Cascade control of HCCI phasing The present invention relates to an internal combustion engine that can be operated in a homogeneous charge combustion mode as well as a method and a computer readable storage device for controlling such an engine. The engine comprises at least one fuel injector, a ... | 04/24/2012 |
| 8165778 | Variable valve timing apparatus and control method thereof At the time of reference position learning for ensuring accuracy in detecting a valve timing, an operation amount of an actuator is set such that intake valve phase changes to a position of most retarded angle as a reference phase. When the intake valve phase reache... | 04/24/2012 |
| 8160803 | Parallel sequential turbocharger architecture using engine cylinder variable valve lift system A valve and cylinder head assembly, configured to fit a bank of cylinders of an internal combustion engine, can include a first exhaust valve for each corresponding cylinder of the bank of cylinders; a second exhaust valve for each corresponding cylinder of the bank... | 04/17/2012 |
| 8160802 | Closed-loop adaptation of homogenous charge compression ignition operating zone based on ringing index An engine control system comprises a ringing index (RI) determination module, a fueling threshold determination module, and a combustion mode determination module. The ringing index (RI) determination module determines an RI value of a cylinder of an engine and comp... | 04/17/2012 |
| 8160801 | Valve drive system and valve driving method A valve drive system comprises a power transmitting mechanism (13) that converts rotary motion of an electric motor (12) into opening and closing motion of an intake valve (3) provided in a cylinder (2) of an internal combustion engine ( | 04/17/2012 |
| 8155862 | Internal combustion engine control method and internal combustion engine system A system and method of controlling an internal combustion engine are provided. The method may include closing said intake valve at a timing in a first range, which is before a maximum charge closing timing with which an amount of air inducted into said cylinder from... | 04/10/2012 |
| 8155858 | Real-time doser efficiency monitoring A real time doser efficiency monitoring method is described that measures the average instant pressure difference within one duty cycle of the doser injector. The disclosed method results in improved doser efficiency monitoring. The disclosed method can be implement... | 04/10/2012 |
| 8155861 | Method for controlling a fuel supply system of an internal combustion engine In a method for controlling a fuel supply system of an internal combustion engine with at least one combustion chamber, into which fuel can be injected via a fuel injector, the fuel injector being activated for the implementation of a normal start-up with specified ... | 04/10/2012 |
| 8155859 | Fuel injection device and method for examining the same A fuel injection device includes a fuel injection valve for injecting fuel. A pressure sensor is configured to output detection signal correspondingly to pressure of the fuel. The fuel injection device further includes a storage unit for storing individual differenc... | 04/10/2012 |
| 8155860 | Real time doser efficiency monitoring A real time, average pressure difference method for monitoring doser efficiency is described that determines the difference between the average pressure when the doser is not injecting and the average pressure when the doser is injecting at a predetermined commanded... | 04/10/2012 |
| 8150597 | Method and system for controlling an internal combustion engine Methods and systems for controlling an internal combustion engine are provided. One example method may include closing an intake valve later during a cylinder cycle than a timing with which an amount of air inducted into a cylinder from an air intake passage would b... | 04/03/2012 |
| 8150598 | Engine controller An engine controller capable of optimizing both the air-fuel ratio and the ignition timing to provide HC-minimized performance under the relevant driving conditions (environmental conditions) in order to minimize the amount of HC emitted from an engine at the time o... | 04/03/2012 |
| 8150596 | Fuel ignition quality detection An engine control system comprises a fuel diagnostic module and a fuel control module. The fuel diagnostic module determines a pressure-ratio difference average (PRDA) based on a pressure in at least one cylinder and determines a cetane number (CN) of a fuel based o... | 04/03/2012 |
| 8145406 | Abnormality diagnosis device for positive crankcase ventilation apparatus An abnormality diagnosis device for diagnosing abnormality in a positive crankcase ventilation apparatus including a PCV passage, which is for supplying blow-by gas to an intake passage of an engine, and a PCV valve, which is for regulating the flow rate of blow-by ... | 03/27/2012 |
| 8140243 | Method for controlling a V-type internal combustion engine A method for controlling a V-type internal combustion engine with a separate common rail system on an A side and a separate common rail system on a B side of the internal combustion engine, in which a set injection quantity is computed at least as a function of an a... | 03/20/2012 |
| 8131447 | Internal combustion engine control for improved fuel efficiency A variety of methods and arrangements for improving the fuel efficiency of internal combustion engines are described. Generally, selected combustion events are skipped during operation of the internal combustion engine so that other working cycles can operate at a b... | 03/06/2012 |
| 8131446 | Engine idle speed and turbocharger speed control Various methods are described for controlling engine operation for an engine having a turbocharger and direction injection. One example method includes performing at least a first and second injection in response to a driver action. The first and second injection ma... | 03/06/2012 |
| 8126632 | Engine idle speed and turbocharger speed control Various methods are described for controlling engine operation for an engine having a turbocharger and direct injection. One example method includes performing a first and second injection during a cylinder cycle, the first injection generating a lean combustion and... | 02/28/2012 |
| 8126634 | Method and apparatus for controlling an engine capable of operating on more than one type of fuel A control system for an engine capable of operating on more than one type of fuel includes an engine control unit that determines a default fuel volume to be injected into the engine based on relevant engine parameters and characteristics of a default fuel type. A d... | 02/28/2012 |
| 8126633 | Method for operating an internal combustion engine A method for operating an internal combustion engine is provided and at least a first map of prefixed first values is predetermined, each prefixed first value being a function of a prefixed nominal fuel quantity (Qecu—prefix... | 02/28/2012 |
| 8116961 | Controlling of a vehicle responsive to reductant conditions Controlling a vehicle responsive to reductant conditions is provided. The method for controlling a vehicle having an engine with an exhaust, the exhaust having a reductant injection system including a reductant storage vessel, the engine further having a fuel system... | 02/14/2012 |
| 8116962 | Method of fuel injection A method of operating an internal combustion engine. With reference to FIG. 1, fuel is supplied to charge air using an injector (116) which in each operation delivers a set amount of fuel. The amount of fuel supplied to the charge air in each engine cy... | 02/14/2012 |
| 8108123 | Sliding mode control system for internal combustion engine A system and method for using a sliding mode control algorithm to control flow rates from air handling actuators and fuel injectors of an internal combustion engine. The sliding mode control is based on an engine model that represents the engine in terms of pressure... | 01/31/2012 |
| 8108121 | Method and device for correcting the fuel concentration in the regeneration gas flow of a tank venting device In a method for correcting the fuel concentration in a regeneration gas flow of a tank venting device, the fuel concentration is determined, and a defined regeneration gas flow rate is set and supplied to the engine to use the regeneration gas in the combustion proc... | 01/31/2012 |
| 8108122 | Six-cylinder engine A six-cylinder engine includes a stop-cylinder-setting section. The stop-cylinder-setting section sets to-be-stopped cylinders such that cylinders operated in a four-cylinder operation mode (two cylinders stopped) are stopped in a two-cylinder operation mode (four c... | 01/31/2012 |
| 8099226 | Throttle compensation for second gear starts in manual transmission vehicles A system and method for throttle control during a second gear start in a vehicle with a manual transmission. A powertrain control module (PCM) is coupled to a throttle and is configured to control movement of the throttle according to a winter mode e-throttle map th... | 01/17/2012 |
| 8099225 | Fuel injection system and method for injecting fuel The invention relates to a fuel injection system having at least one fuel injector, which includes an electrically operable actuator. In order to reduce the hydraulic distances between two injections, a voltage-smoothing or voltage-dampening electric device is conne... | 01/17/2012 |
| 8095292 | Variable intake manifold diagnostic systems and methods A system includes a control module, a valve control module, and a diagnostic module. The control module controls a valve of a variable intake manifold when the system operates in a first mode. The control module commands the valve to a first position when a desired ... | 01/10/2012 |
| 8095293 | Method and device for operating an internal combustion engine In a method and a device for operating an internal combustion engine, a first variable characterizing the air-mass flow to the internal combustion engine is determined, and a second variable characterizing the air-mass flow is determined. The second variable charact... | 01/10/2012 |
| 8095294 | Method for determining fuel injection on-time in a gaseous-fuelled internal combustion engine A method and apparatus determine the fuel injection on-time to accurately meter fuel injected directly into the combustion chamber of a gaseous fuelled internal combustion engine. The fuel injection on-time is determined by interpolating between values retrieved fro... | 01/10/2012 |
| 8090519 | Control device for internal combustion engine A control device that is used with an internal combustion engine to improve both the response and controllability of torque generated by the internal combustion engine. The control device calculates an operation amount of an intake actuator in accordance with a dema... | 01/03/2012 |
| 8086386 | High efficiency internal combustion engine A method for use in generating power in an internal combustion engine from combustion of a fuel admixed with an oxidizing gas and operating cyclically with intentional ignition of a first fuel or with self-ignition of a second fuel which includes changing a volume o... | 12/27/2011 |
| 8086389 | Control apparatus for controlling both fuel injection system and exhaust gas cleaning system A control apparatus is disclosed which controls both a fuel injection system and an exhaust gas cleaning system for an internal combustion engine. The fuel injection system includes at least one fuel injector for injecting fuel from a fuel source into a cylinder of ... | 12/27/2011 |
| 8086388 | Camshaft phasor synchronization system for an engine A camshaft phasor control system for an engine includes a first camshaft position sensor that generates a first camshaft position signal based on a position of a first camshaft. A first summer generates a first error signal based on the first camshaft position signa... | 12/27/2011 |
| 8086387 | System and method of fuel system optimization A method of optimizing a fuel system on a vehicle is provided. The fuel system includes a fuel tank configured to receive and contain a quantity of fuel, and the method includes determining a property associated with the quantity of fuel contained within the fuel sy... | 12/27/2011 |
