Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8131450 | Method and associated device for sensing the air/fuel ratio of an internal combustion engine A method of sensing the air/fuel ratio in a combustion chamber of an internal combustion engine that may be easily implemented by a respective low-cost device includes a pressure sensor and a learning machine that generates a sensing signal representing the air/fuel... | 03/06/2012 |
| 8010276 | Intake manifold oxygen control A method for controlling intake manifold oxygen for an engine having a fresh air inlet and an exhaust gas recirculation (EGR) circuit includes the steps of: establishing an ideal excess oxygen ratio for combustion in the engine; calculating a total mass flow of oxyg... | 08/30/2011 |
| 7945375 | Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation The present invention provides an injector-ignition fuel injection system for an internal combustion engine, comprising an ECU controlling a heated catalyzed fuel injector for heating and catalyzing a next fuel charge, wherein the ECU uses a one firing cycle look-ah... | 05/17/2011 |
| 7945374 | Method and apparatus for characterizing fuel injector performance to reduce variability in fuel injection A method for equalizing fuel injector flows among a plurality of fuel injectors in an internal combustion engine including the steps of a) characterizing the electrical and/or mechanical performance of each fuel injector; b) imprinting characterization data on each ... | 05/17/2011 |
| 7774127 | Method for controlling a motor vehicle using a network of neurones A method for controlling a motor vehicle. According to the method, a volumetric filling efficiency for air in the motor is determined using a network of artificial neurones. ... | 08/10/2010 |
| 7769532 | Method for operating fuel injection system A machine is disclosed. The machine may have an engine having a combustion chamber. The machine may also have a first sensor configured to generate a first signal indicative of a speed of the combustion engine. Additionally, the machine may have a second sensor conf... | 08/03/2010 |
| 7739025 | Estimation apparatus of alcohol component amount in fuel An estimation apparatus includes: a learning prohibition unit, configured to prohibit a learning unit from executing a learning control and retain a learning value, which is set just before prohibiting, as a fixed learning value which is a fixed value, when the fuel... | 06/15/2010 |
| 7664593 | Method and system for estimating exhaust gas temperature and internal combustion engine equipped with such a system A method for estimating temperature of an internal combustion engine exhaust gases, a system for estimating exhaust gas temperature, and an engine equipped with such a system. The method uses an estimator with a neural network provided with a feedback loop returning... | 02/16/2010 |
| 7657363 | Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation The present invention provides an injector-ignition fuel injection system for an internal combustion engine, comprising an ECU controlling a heated catalyzed fuel injector for heating and catalyzing a next fuel charge, wherein the ECU uses a one firing cycle look-ah... | 02/02/2010 |
| 7657362 | Vehicle and control method of vehicle In a vehicle equipped with both an engine and a motor as the driving power source, in the event of incompletion of learning a control demand for regulation of an idling rotation speed of the engine, intermittent operation prohibition control of the invention permits... | 02/02/2010 |
| 7444230 | Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation The present invention provides an injector-ignition fuel injection system for an internal combustion engine, comprising an ECU controlling a heated catalyzed fuel injector for heating and catalyzing a next fuel charge, wherein the ECU uses a one firing cycle look-ah... | 10/28/2008 |
| 7440839 | Method and associated device for sensing the air/fuel ratio of an internal combustion engine A method of sensing the air/fuel ratio in a combustion chamber of an internal combustion engine that may be easily implemented by a respective low-cost device includes a pressure sensor and a learning machine that generates a sensing signal representing the air/fuel... | 10/21/2008 |
| 7432005 | Model-based feed-forward control system for power (or current) in a fuel cell system A control system and method controls an output of a fuel cell. A fuel cell stack controller that receives an output request signal and that generates an oxidant request signal and a fuel request signal using a first inverse model. A fuel delivery controller receives... | 10/07/2008 |
| 7430483 | Method and apparatus for diagnosing a mechanism A method of analyzing variations in an indicator of the behavior of a mechanism, in which noise is extracted, and any discontinuities from an indicator in order to obtain a trend, variations in the trend are compared with one or more reference values; and a fault of... | 09/30/2008 |
| 7409283 | Control system for plant and internal combustion engine There is provided a control system for a plant and an internal combustion engine, which is capable of enhancing controllability and control accuracy in controlling a plurality of control amounts while eliminating a mutual interaction existing between a plurality of ... | 08/05/2008 |
| 7386389 | Method and system for determining the driving situation A method and a system for ascertaining the driving situation of a motor vehicle by using data provided in the vehicle indicating the value of at least one state variable of the vehicle are provided. To relieve the burden on the driver a data record providing the his... | 06/10/2008 |
| 7369933 | Simple engine fuel controller An electronic engine fuel controller that is simple, low cost, easily installed, and configurable for any internal combustion engine. The system is intended for upgrading older carbureted vehicles or vehicles that have been modified beyond the limits of the OEM cont... | 05/06/2008 |
| 7369935 | Soft-computing method for establishing the heat dissipation law in a diesel common rail engine A soft-computing method for establishing the dissipation law of the heat in a diesel Common Rail engine, in particular for establishing the dissipation mean speed (HRR) of the heat, includes the following steps: choosing a number o... | 05/06/2008 |
| 7353788 | Fuzzy logic based cam phaser control A method of controlling a valve of a cam phaser of an internal combustion engine includes determining a delta duty cycle from a position error and a rate of change of error (error dot). A fuzzy gain value is calculated from the delta duty cycle and a correction term... | 04/08/2008 |
| 7349796 | Apparatus and method for judging a piston position in an engine Detection of which of a plurality of reference angle positions a crankshaft of an engine arrives at is executed to subsequently determine a crank angle region in which an output pattern of a cam angle signal is determined, based on which of the plurality of referenc... | 03/25/2008 |
| 7346592 | Method and an apparatus for predicting intake manifold pressure of an internal-combustion engine A method and an apparatus for predicting intake manifold pressure are presented, to compensate for a large lag or a large time delay without producing an overshot or discontinuous behaviors of a predicted value. The method comprises the step of obtaining a differenc... | 03/18/2008 |
| 7302937 | Calibration of model-based fuel control for engine start and crank to run transition A fuel control system for regulating fuel to cylinders of an internal combustion engine during an engine start and crank-to-run transition includes a first module that determines a plurality of step-ahead cylinder air masses (GPOs) for a cylinder based on a pluralit... | 12/04/2007 |
| 7305298 | Charge motion control valve fuzzy logic diagnostic A method of diagnosing a malfunction of a charge motion control valve coupled to an intake manifold of an internal combustion engine is provided. The method includes: commanding the valve to at least one of close and open; determining a pressure range using fuzzy lo... | 12/04/2007 |
| 7266439 | Fuel property-adaptive engine control system with on-board fuel classifier A fuel property adaptive control system for controlling the performance of an engine, such as an internal combustion engine. An on-board fuel classifier classifies the fuel that the engine is running. Based on stored properties for that fuel, the system selects opti... | 09/04/2007 |
| 7255087 | Method for controlling an injection system of an internal combustion engine A method for controlling an injection system of an internal combustion engine having at least one injector, the fuel metering being divided into a first partial injection and at least one second partial injection, and a control signal which determines the fuel quant... | 08/14/2007 |
| 7251990 | Method and a relative device for diagnosing misfire or partial combustion conditions in an internal combustion engine A method of diagnosing misfire or partial combustion conditions in an internal combustion engine without using a phonic wheel discriminates the combustion conditions with soft-computing techniques directly exploiting a combustion pressure signal generated by a commo... | 08/07/2007 |
| 7251638 | Intelligent robust control system for motorcycle using soft computing optimizer A Soft Computing (SC) optimizer for designing a Knowledge Base (KB) to be used in a control system for controlling a motorcycle is described. In one embodiment, a simulation model of the motorcycle and rider control is used. In one embodiment, the simulation model i... | 07/31/2007 |
| 7243487 | Control apparatus for internal combustion engine A control apparatus for the internal combustion engine includes a fuel cut post-return fuel increasing correction unit for performing a fuel increasing correction during a specified period when a fuel supply stop state by an fuel cut control unit is returned to a fu... | 07/17/2007 |
| 7222112 | Engine control system using a cascaded neural network A method, system and machine-readable storage medium for monitoring an engine using a cascaded neural network that includes a plurality of neural networks is disclosed. In operation, the method, system and machine-readable storage medium store data corresponding to ... | 05/22/2007 |
| 7219087 | Soft computing optimizer of intelligent control system structures The present invention involves a Soft Computing (SC) optimizer for designing a Knowledge Base (KB) to be used in a control system for controlling a plant such as, for example, an internal combustion engine or an automobile suspension system. The SC optimizer include... | 05/15/2007 |
| 7216071 | Hybrid gas turbine engine state variable model The present invention relates to a system and a method for developing an engine model. The system broadly comprises a module for generating a state variable model of an engine, which module receives a plurality of inputs to an engine representative of a particular f... | 05/08/2007 |
| 7194392 | System for estimating model parameters A system for estimating on-line a set of mathematical model parameters is disclosed. The system includes a control circuit and a number of sensors electrically coupled to the control circuit. The control circuit is configured to update a group of matrix cells of a d... | 03/20/2007 |
| 7181334 | Method and apparatus to diagnose intake airflow An engine control system including an engine controller, a plurality of sensors coupled to the engine controller, and a neural network operating in the engine controller, and where upon failure of at least one of the plurality sensors, the neural network generates a... | 02/20/2007 |
| 7171950 | Method and device for determining the pressure in the combustion chamber of an internal combustion engine, in particular a spontaneous ignition engine, for controlling fuel injection in the engine A method is described for controlling fuel injection in an spontaneous ignition engine equipped with an electronically controlled fuel injection system and with an electronic control unit receiving engine quantities comprising the pressure in the combustion changer ... | 02/06/2007 |
| 7162358 | Fault detection system and method for detecting a faulty temperature sensor in motor vehicles An error detection system is provided for identifying a defective temperature sensor in motor vehicles including an internal combustion engine and at least one electronic control unit that is provided with a mechanism for detecting the immobilization time between tu... | 01/09/2007 |
| 7151994 | Calculation of air charge amount in internal combustion engine Calculation models (22, 24) for an in-cylinder air charge amount determine an estimated intake air pressure (Pe) based on an intake air flow rate (Ms), and then determine an air charge amount (Mc) from the estimated intake air pressure (Pe). A correction exec... | 12/19/2006 |
| 7142975 | Virtual cylinder pressure sensor with individual estimators for pressure-related values A virtual cylinder pressure sensor for use with an internal combustion engine. The sensor has one or more independent modules, each used to estimate a different cylinder pressure variable. Each module is trained using measurement data from a physical cylinder pressu... | 11/28/2006 |
| 7139682 | Sensor system with variable sensor-signal processing A sensor system with variable sensor-signal processing comprises an integrated circuit sensor unit. The integrated circuit sensor unit includes a sensor element that provides a sensed signal in response to a measurement variable, and a memory device that stores adju... | 11/21/2006 |
| 7133765 | Method for checking the operability of an ambient pressure sensor of an internal combustion engine A method for operating an internal combustion engine is described, in which the ambient pressure is determined by an ambient pressure sensor and the pressure in an intake manifold of the internal combustion engine is determined by an intake manifold pressure sensor.... | 11/07/2006 |
| 7120533 | Soft-computing method for establishing the heat dissipation law in a diesel common rail engine A soft-computing method for establishing the dissipation law of the heat in a diesel Common Rail engine, in particular for establishing the dissipation mean speed (HRR) of the heat, includes the following steps: choosing a number o... | 10/10/2006 |
