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| Number | Title | Issue Date |
| 8165785 | Variable valve timing apparatus and control method therefor An ECU executes a program including the step of stopping power supply to an electric motor if a phase of an intake valve is in a first region between the most retarded angle and CA. In the case where the phase of the intake valve is in the first region, the rotation... | 04/24/2012 |
| 8165784 | Apparatus and method for learning reference position of variable valve unit In a variable valve unit provided with a variable valve mechanism that varies opening characteristics of an engine valve by rotary motion of a control shaft, an actuator that generates a rotary motion of the control shaft, a stopper restricting the rotary motion of ... | 04/24/2012 |
| 8150600 | Control device and control system of internal combustion engine An internal combustion engine control device has a cylinder pressure sensor for sensing pressure in a combustion chamber and a fuel pressure sensor for sensing fuel pressure fluctuating in connection with fuel injection from an injector. The control device calculate... | 04/03/2012 |
| 8131449 | Fuel injection control apparatus and fuel injection control method for internal combustion engine A fuel injection valve coupled to a common rail is provided. When fuel injection is carried out, the fuel pressure in the fuel injection valve pulsates. An interval between a pilot injection and a main injection is set so that the main injection is carried out at a ... | 03/06/2012 |
| 8131448 | Engine control apparatus and method To provide a control apparatus of an engine that improves vehicle drivability by controlling a variable valve mechanism. The control apparatus of an engine prohibits the changing of the valve duration of an intake valve during a stop of an engine. ... | 03/06/2012 |
| 8116964 | Method for the individual control of a set of valve actuators by the ECU The invention relates to a system for controlling a thermal engine with valves, that comprises an engine control unit (1) and a plurality of valve actuators (3), wherein the engine control unit is connected to a communication bus (2) and the act... | 02/14/2012 |
| 8108126 | Method of controlling fuel injection apparatus A method and apparatus for controlling fuel injection in an engine is described. The apparatus comprises at least one fuel injector which is connected in an injector drive circuit powered by a power source. The method comprises determining an injection event sequenc... | 01/31/2012 |
| 8103426 | Method for controlling two consecutive injection pulses in an electrically-actuated fuel injector system for an internal combustion engine, particularly a diesel engine At each engine cycle, nearby the TDCC, an injector is driven so as to perform a fuel injection sequence according to a predetermined pattern (A-Z), including a plurality of successive, separate fuel injection pulses (pulse 1-pulse N) having respective predete... | 01/24/2012 |
| 8103425 | Simulation-based control for HCCI power systems A method of controlling an HCCI engine-based power system may include receiving performance information relating to a desired operating state for the HCCI engine-based power system, evaluating operational information associated with a current operating state of the ... | 01/24/2012 |
| 8095295 | Device and method for controlling fuel injection In a method for controlling fuel injection by means of injectors in a multicylinder internal combustion engine, the injectors are controlled sequentially according to control data for opening and closing in injection processes, wherein for each cylinder in an operat... | 01/10/2012 |
| 8090521 | Method and kit for engine emission control Methods and systems are provided for operating an engine including a first and a second bank of cylinders. One example method comprises, adjusting engine injection timing based on a first temperature of a first intake of the first bank and a second temperature of a ... | 01/03/2012 |
| 8078387 | Control apparatus for spark-ignition engine Disclosed herein is a control apparatus for a spark-ignition engine that is capable of avoiding knocking at the time of high-load operation. With this control apparatus, a residual-gas suction unit or the like is not used, an exhaust gas does not deteriorate due to ... | 12/13/2011 |
| 8046154 | Method for controlling continuous variable valve timing apparatus A method for controlling a continuous variable valve timing apparatus that can control a phase angle of a camshaft quickly and precisely according to an exemplary embodiment of the present invention may include: calculating a difference between a target phase angle ... | 10/25/2011 |
| 8027778 | Torque delivery A system for controlling a multiple cylinder internal combustion engine having a plurality of cylinders with electronically actuated valves (EVA) is presented. The system is designed to improve the torque delivery of an EVA engine that operates a portion of cylinder... | 09/27/2011 |
| 8019527 | Method for operating an internal combustion engine, and associated internal combustion engine In a method for operating an internal combustion engine including inlet valves with variably adjustable opening curves, during part-load operation, the closing time of the inlet valves and the fuel injection time are controlled as a function of the cylinder internal... | 09/13/2011 |
| 8019528 | System and method of controlling combustion phasing in an internal combustion engine A system for controlling combustion phasing in an internal combustion engine is provided that includes, but is not limited to a first sensor positioned within a first variable volume combustion chamber and a vibration sensor positioned outside of the first and secon... | 09/13/2011 |
| 7996147 | Locomotive engine multi-fuel control system and method A method, in certain embodiments, includes controlling a first parameter set (e.g., fuel injection timing, engine speed, etc.) of an engine to reduce specific fuel consumption to account for a plurality of different fuels alone or in combination with one another. Th... | 08/09/2011 |
| 7983832 | Control method of direct injection engine, controller for implementing the control method, and control circuit device used for the controller An object of the present invention is to provide a fuel injection control technique which maximizes engine power according to fuel evaporation characteristics. The fuel injection timing in the intake stroke is delayed according as a physical quantity affecting the f... | 07/19/2011 |
| 7979195 | Valvetrain control systems for internal combustion engines with multiple intake and exhaust timing based lift modes A valve control system for an internal combustion engine includes a valve actuation system that actuates each of an intake valve and an exhaust valve between N open lift modes where N is an integer greater than one. A control module defines a switching window having... | 07/12/2011 |
| 7974766 | Valvetrain control systems with lift mode transitioning based engine synchronization timing and sensor based lift mode control A valve control system for an internal combustion engine includes a valve actuation system. The valve actuation system includes lift control valves that actuate at least one of an intake valve and an exhaust valve between N open lift modes, where N is an integer gre... | 07/05/2011 |
| 7930090 | Method and device for adapting the valve characteristic of a fuel injection valve The method and the device serve to adapt the valve characteristic of a fuel injection valve, which has a piezoelectrically driven nozzle needle and by which fuel is injected directly into the combustion chamber of an internal combustion engine, to production-related... | 04/19/2011 |
| 7912624 | Synchronization device for an engine A synchronization device for an engine is provided that has a first active sensor and a second active sensor. The first active sensor is adapted to determine an angular position of a first shaft and the second active sensor is adapted to determine the angular positi... | 03/22/2011 |
| 7908074 | Abnormality detecting device of vehicle An ECU executes a program including the steps of detecting an engine speed, determining whether the engine speed is at least a threshold value or not, detecting a VVT advance angle calculation count after restarting the engine, determining whether a VVT advance angl... | 03/15/2011 |
| 7899604 | Fuel-injection-timing adapting method and apparatus for direct injection engine A computer simulates a relationship between a fuel-rate of fuel which collides with the cavity of the piston and the fuel injection timing, and/or the relationship between the fuel-rate of fuel which collide with the cylinder inner wall and the fuel injection timing... | 03/01/2011 |
| 7894974 | Method for operating a two-stroke engine A two-stroke engine has a cylinder with a combustion chamber delimited by a reciprocating piston, wherein the piston drives in rotation a crankshaft, and wherein a spark plug projects into the combustion chamber and ignites a fuel/air mixture. The two-stroke engine ... | 02/22/2011 |
| 7885756 | Multi-pulse spark ignition direct injection torque based system A control system is provided and includes a catalyst module that generates a multi-mode enable signal based on a catalyst light off enable signal. A transition control module controls transitions between a single pulse mode and multi-pulse mode based on the multi-mo... | 02/08/2011 |
| 7881857 | Method for operating an internal combustion engine In a method for operating an internal combustion engine, the fuel is supplied to at least one combustion chamber via at least one injector, which method includes the following steps: a) a total injection is divided into a basic injection and at least one measured in... | 02/01/2011 |
| 7853399 | Internal combustion engine control apparatus and method An internal combustion engine control apparatus executes an exhaust-valve-early-closing valve timing control in which an exhaust valve is closed before the intake stroke top dead center. The fuel injection timing mode is normally set to an intake-stroke non-synchron... | 12/14/2010 |
| 7835851 | Fuel injection system There is well known that the more the timing of fuel injection is advanced, the more the start ability of an engine is improved. However, with regard to the conventional fuel injection system, when a stopping process of the engine is performed, a timer piston determ... | 11/16/2010 |
| 7818113 | Valve timing control apparatus and valve timing control arrangement A valve timing control apparatus for a valve timing adjustment mechanism that adjusts timing of opening and closing an intake or exhaust valve of an engine includes an output-side rotor, a cam-side rotor, a hydraulic pump, a control device, a control valve, a storag... | 10/19/2010 |
| 7783414 | Hall effect pick-up with timing correction A circuit and method for correcting signal timing. The circuit and method generate a first signal with a first phase that is out of phase with a periodic object, generate a voltage signal that corresponds to the frequency of the first signal and generate a second si... | 08/24/2010 |
| 7783412 | Method of determining the injection timing in a four-stroke heat engine and device for implementing this method The invention concerns a method for determining the timing of an injection cycle relative to an operating cycle of a four-stroke engine (ECH, ADM, COMP, DET), the timing being possibly correct or wrong, the method including the step of operating the engine while mod... | 08/24/2010 |
| 7783413 | Two-step oil control valve failure diagnostic A method may include commanding operation of an engine in a first lift mode. The engine may include a valve lifter system that selectively operates a valve member in the first lift mode and a second lift mode through engagement with a camshaft. A first duty cycle of... | 08/24/2010 |
| 7778765 | Fuel injection control apparatus for internal combustion engine A fuel injection control apparatus includes a computing unit that calculates a pulse width for a pulse signal which drives the valve of a fuel injector, based on the operational state of the internal combustion engine and fuel pressure detected by a fuel pressure se... | 08/17/2010 |
| 7769529 | Variable valve timing apparatus and control method thereof At the time of reference position learning, an operation amount of an actuator is set such that intake valve phase changes to a position of most retarded angle in a region where the amount of change in intake valve phase relative to the actuator operation amount is ... | 08/03/2010 |
| 7769531 | Control device of internal combustion engine A control device of an internal combustion engine calculates ignition delays in lean combustion and rich combustion, standardizes the ignition delays based on ignition timing, and further standardizes the ignition delays based on injection quantity and injection tim... | 08/03/2010 |
| 7769530 | Process for the open-and closed-loop control of an internal combustion engine with a common rail system including individual accumulators For an internal combustion engine with a common rail system including individual accumulators, a process for open- and closed-loop control is proposed, in which the individual accumulator pressure (pE) is detected within a measuring interval and stored, an absolute ... | 08/03/2010 |
| 7765054 | Injector calibration method for operating an internal combustion engine A method for operating an internal combustion engine has the steps: (a) during an overrun phase of the internal combustion engine, activating an injector of a first combustion chamber for a predetermined activation time τinj with a predetermined activati... | 07/27/2010 |
| 7761222 | Fuel injector flow shift compensation in internal combustion engine A method of operating a fuel injected multi-cylinder internal combustion engine includes establishing a flow shift compensation term by comparing a pre-flow shift value with a post-flow shift value. The pre-flow shift value is indicative of a pre-flow shift fueling ... | 07/20/2010 |
| 7761221 | Variable valve controller for an internal combustion engine and method for operating the same A variable valve controller for internal combustion engines and methods for operating the same. In the variable valve controller, and engine control unit (ECM) calculates a target value of a valve lift (VEL) for an intake valve and transmits it to a controller with ... | 07/20/2010 |
