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| Number | Title | Issue Date |
| 8439013 | Wound hydrocarbon trap An air induction system hydrocarbon trap is provided. In one example, the hydrocarbon trap includes an adsorber roll including an adsorbing material and a corrugate support, where the corrugate support is rolled with the adsorbing material to form a wound adsorber r... | 05/14/2013 |
| 8302581 | Air-fuel ratio imbalance among cylinders determining apparatus of a multi-cylinder internal combustion engine An air-fuel ratio imbalance determining apparatus that is configured to sequentially stop a fuel injection for each of cylinders in accordance with a firing (ignition) order by changing the intake valves and exhaust valves of the cylinder whose fuel injection is sto... | 11/06/2012 |
| 8122869 | Air-fuel ratio control system of a multi-cylinder internal combustion engine An air-fuel ratio control system of a multi-cylinder internal combustion engine provided with a throttle valve and opening characteristic control means, which system performs feedback control of an air-fuel ratio based on an output of a sensor detecting an air-fuel ... | 02/28/2012 |
| 8118009 | On-board fuel vapor separation for multi-fuel vehicle A fuel delivery system for a fuel burning engine of a vehicle and a method of operating the fuel delivery system is provided. As one example, the method includes separating a first fuel and a second fuel from a fuel vapor on-board the vehicle, said fuel vapor includ... | 02/21/2012 |
| 7975672 | Method for controlling engine intake airflow An internal combustion engine includes a controllable throttle and controllable engine valves and is selectively operative in one of a plurality of combustion modes. An engine control method includes monitoring engine operation, determining a desired air flow, estim... | 07/12/2011 |
| 7966992 | Combustion control using ion sense feedback and multi-strike spark to manage high dilution and lean AFR A system and method for operating a multiple cylinder internal combustion engine having at least one actuator for controlling charge dilution of at least one cylinder and at least one spark plug per cylinder include attempting to improve combustion quality by modify... | 06/28/2011 |
| 7793638 | Low emission high performance engines, multiple cylinder engines and operating methods Low emission high performance engines, multiple cylinder engines and operating methods based on compression ignition of a combustion chamber charge already containing at least some fuel and air. Air is injected into the combustion chamber after top dead center is re... | 09/14/2010 |
| 7765983 | Method and device for controlling an internal combustion engine An internal combustion engine is provided with at least one modulator for adjusting an air mass in a cylinder. It is also provided with an injection valve for metering fuel to which fuel is supplied via a fuel supply device. A maximum fuel quantity which can be mete... | 08/03/2010 |
| 7753029 | Multi-cylinder internal combustion engine with independent cylinders Internal combustion engine with variable actuation of the valves that provides electronic control means that considers the activation delays of the cylinders so that new operating conditions are assigned for the first time to a cylinder which firstly, following an e... | 07/13/2010 |
| 7748363 | Multi-cylinder internal combustion engine with independent cylinders Internal combustion engine with variable actuation of the valves providing electronic control means which, when the engine is subject to an operating variation request from a first operating condition to a second operating condition, are adapted to select a cylinder... | 07/06/2010 |
| 7721711 | Engine control system including means for learning characteristics of individual fuel injectors An engine control system includes an fuel injector for each cylinder of the engine, an air-fuel ratio sensor disposed in an exhaust manifold and an electronic control unit to which signals from various sensors are fed. Operation of the engine is controlled by the el... | 05/25/2010 |
| 7703439 | Vehicle control system A method for controlling an engine having an intake manifold and an outlet control device coupled to the manifold for controlling flow exiting the manifold and entering at least one cylinder of the engine, the engine further having an inlet control device for contro... | 04/27/2010 |
| 7677223 | Air-fuel-ratio control apparatus for internal combustion engine The air-fuel-ratio control apparatus for an internal combustion engine obtains a composite air-fuel ratio abyfs from a downstream-side correction value Vafsfb(k) based upon an output value Voxs from a downstream air-fuel-ratio sensor 67 and an output value Va... | 03/16/2010 |
| 7650874 | Control apparatus for an internal combustion engine A control apparatus for an internal combustion engine can learn an alcohol concentration of fuel in a fuel tank according to air fuel ratio feedback control, and accurately calculate, even upon interruption of learning, an alcohol concentration in an injector by est... | 01/26/2010 |
| 7597087 | Controller of internal combustion engine An engine controller performs low opening degree control during a first intake stroke period since an engine start is commenced until first intake strokes of respective cylinders end. Thus, an opening degree of an intake throttle valve is controlled to a fully close... | 10/06/2009 |
| 7574993 | Apparatus, system and method for operating a dual fueled spark ignition engine Described herein are various embodiments of an apparatus, system and method for operating a dual fueled spark ignition engine. For example, according to one illustrative embodiment, a method for operating a dual fueled spark ignition engine includes fueling the engi... | 08/18/2009 |
| 7571712 | Controller and controlling method for internal combustion engine A base engine torque generated with an estimated intake air amount is estimated. An engine torque is corrected by correcting an ignition timing based on a difference between a required engine torque and the base engine torque. A torque correction amount is calculate... | 08/11/2009 |
| 7536995 | Method for limiting the power output of an internal combustion engine In a method for limiting the power output of an internal combustion engine, an air mass flow deviation of an actual air mass flow (mL(IST)) from a reference air mass flow (ML(REF)) is determined and, depending on the air mass flow deviation, a power output reduction... | 05/26/2009 |
| 7530347 | Air amount computing unit and fuel control unit of internal combustion engine There is provided an air amount computing unit, and a fuel control unit, of an internal combustion engine that calculates a cylinder flow-in air amount during a transient state without response delay and so as not to have any inflection point in changes of flow rate... | 05/12/2009 |
| 7461633 | Method of controlling the combustion phase of an internal-combustion engine, notably a gasoline type direct-injection supercharged engine Method of controlling the combustion of an internal-combustion engine, in particular a direct-injection supercharged engine, notably of gasoline type, wherein the engine comprises at least one cylinder (12) with a combustion chamber (14) within which a... | 12/09/2008 |
| 7458361 | Method for operating an internal combustion engine In an internal combustion engine the fuel is injected into an intake manifold. A quantity characterizing the injection quantity is a function of a predicted quantity which characterizes a predicted air charge. A setpoint quantity is used for determining the predicte... | 12/02/2008 |
| 7441544 | Control device for internal combustion engine Provided is a control device for an internal combustion engine, which is provided to allow a throttle opening degree to be controlled in accordance with a target engine intake air flow quantity even during transitional operation. The actual cylinder intake air flow ... | 10/28/2008 |
| 7431015 | Fuel metering system proportional bypass valve error compensation system and method A method and system for controlling fuel flow in a fuel metering system that includes a metering valve and a proportional bypass valve that produces a differential pressure error across the metering valve includes supplying a first fraction of fuel through the meter... | 10/07/2008 |
| 7431016 | System for controlling evaporative emissions A control system for controlling a valve in a fuel system of engine including an engine airflow sensor that senses a mass engine airflow (Mengair), a barometric pressure sensor that senses a barometric pressure (Pbaro), and an ambient temperatu... | 10/07/2008 |
| 7410585 | Apparatus and method for storing and releasing sulfur containing aromatic compounds from a fuel stream of an internal combustion engine Disclosed is a fuel filter for removing sulfur containing compounds from an internal combustion fuel stream. In one embodiment, the fuel filter comprises at least one column comprising an adsorbent. In one exemplary embodiment the adsorbent is capable of removing su... | 08/12/2008 |
| 7401605 | Fuel injection control system for engine A fuel injection control system makes it possible to obtain an output of a lean combustion type engine through an easy operation, even in a throttle opening region of greater than a lean limit. A throttle valve is configured to be turnable up to an over-fully opened... | 07/22/2008 |
| 7398762 | Vehicle control system A method is provided for controlling an engine having an intake manifold and an outlet control device coupled to the manifold for controlling flow exiting the manifold and entering at least one cylinder of the engine. The engine further includes an inlet control dev... | 07/15/2008 |
| 7377255 | Dual injection type internal combustion engine A dual injection type internal combustion engine including an injector for in-cylinder injection and an injector for intake manifold injection includes a learning device for learning a background noise level based on an output signal of a knock sensor, and a knockin... | 05/27/2008 |
| 7373238 | Control system of internal combustion engine A cylinder air filling amount is divided into a first amount of air and a second amount of air, the first amount of air and the second amount of air are calculated, and the first amount of air and the second amount of air are totaled to calculate a cylinder air fill... | 05/13/2008 |
| 7367316 | Vehicle control system A method for controlling an engine having at least one cylinder, the engine coupled to a vehicle, the engine also having an intake manifold and an outlet control device for controlling flow from the intake manifold into the cylinder, the engine further having an inl... | 05/06/2008 |
| 7357101 | Engine system for multi-fluid operation A system for an engine, comprising of an injector coupled to the engine and configured to inject fuel to a cylinder of the engine; a first reservoir holding a first fluid containing at least a fraction of gasoline; a second reservoir holding a second fluid containin... | 04/15/2008 |
| 7353804 | Method and arrangement for achieving an adjusted engine setting utilizing engine output and/or fuel consumption A method and associated arrangement for achieving an adjusted engine setting utilizing engine output and/or fuel consumption. An engine that consumes fuel is run. Fuel consumption and/or engine operation output is determined. A value is determined utilizing the dete... | 04/08/2008 |
| 7347184 | Controller and controlling method for internal combustion engine A base engine torque generated with an estimated intake air amount is estimated. An engine torque is corrected by correcting an ignition timing based on a difference between a required engine torque and the base engine torque. A torque correction amount is calculate... | 03/25/2008 |
| 7334398 | Combustion control apparatus and method for internal combustion engine In combustion control apparatus and method for an internal combustion engine, an exhaust gas purifying section is disposed in an exhaust system of the engine, a determination is made, on the basis of a state of the exhaust gas purifying section, whether a request is... | 02/26/2008 |
| 7305301 | Engine pre-throttle pressure estimation An engine control system for regulating operation of an engine having a throttle includes a first module that determines an intermediate parameter based on engine operating parameters and a second module that determines a pressure upstream of the throttle based on t... | 12/04/2007 |
| 7281518 | Method and system of diesel engine setpoint compensation for transient operation of a heavy duty diesel engine Method for controlling and improving the transient emissions of an electronically controlled heavy duty diesel engine having an ECM with memory, a turbocharger and an EGR system. ... | 10/16/2007 |
| 7270118 | Control apparatus of engine In an engine having a premixed combustion mode, an EGR flow rate estimating precision is deteriorated at a transient time, and a torque fluctuation and an exhaust gas deterioration are caused. In an engine control apparatus having a premixed combustion mode and a di... | 09/18/2007 |
| 7258105 | Method for verification of at least one given fuel mixture ratio A fuel injection system during operation of an internal combustion engine with at least two separately stored fuel types is supplied with at least one first fuel type. With the supply of a second fuel type or with the change from the supply of the first fuel type to... | 08/21/2007 |
| 7258106 | Control system for internal combustion engine A control system for an internal combustion engine having fuel injection valves provided in a combustion chamber and an exhaust gas recirculation mechanism. Target maximum cylinder pressure change rates are set according to the operating condition of the engine. The... | 08/21/2007 |
| 7258098 | Vehicle mounted type fuel testing apparatus A vehicle mounted type fuel testing apparatus comprises a fuel chamber; a first fuel pump for supplying fuel in the fuel chamber to a sample holding container and an auxiliary fuel tank; an analyzing device for analyzing constituents of the fuel accommodated in the ... | 08/21/2007 |
