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| Number | Title | Issue Date |
| 8061137 | Fuel control system for limiting turbocharger speed A method is provided for operating a turbocharger. The method includes sensing a parameter indicative of a speed of a turbocharger and a parameter indicative of an engine speed. The method also includes determining a first desired engine speed based on the speed of ... | 11/22/2011 |
| 7681394 | Control methods for low emission internal combustion system Improved transient response times are obtained while maintaining low emissions with a low pressure EGR system through methods for quickly obtaining a desired oxygen concentration for charge-air to be used for combustion. Under a first method, fuel quantity in the ma... | 03/23/2010 |
| 7426828 | Method and device for controlling the airflow supplied to an internal combustion engine This method is intended for a turbocharged internal combustion engine having an electrically controlled throttle valve. The turbocharger has a waste gate for regulating its pressure. The position of the valve and the extent to which the gate is open are controlled a... | 09/23/2008 |
| 7305825 | Engine turbine temperature control system A turbine temperature control (TTC) system for regulating operation of an engine to control a temperature of a forced air induction device. The system includes a sensor that is responsive to an exhaust gas temperature and that generates a signal. A control module de... | 12/11/2007 |
| 7289899 | Method and system for calculating brake torque produced by a turbocharged engine Torque being produced by a turbocharged internal combustion engine (12) during acceleration under load is calculated by processing (34) a value for actual boost MAP and a value MAP_NOMINAL selected from a map (32) that contains data values for b... | 10/30/2007 |
| 7281531 | System and method of stoichiometric combustion for hydrogen fueled internal combustion engines A hydrogen-fueled internal combustion engine utilizes either internal or external exhaust gas recirculation (EGR), while providing an overall stoichiometric fuel/air ratio. An EGR system provides recirculated exhaust gas to the engine, and an engine controller regul... | 10/16/2007 |
| 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 |
| 7222614 | Internal combustion engine and working cycle The invention is concerned with a method of deriving mechanical work from a combustion gas in internal combustion engines and reciprocating internal combustion engines for carrying out the method. The invention includes methods and apparatuses for managing combustio... | 05/29/2007 |
| 7159349 | Sign and awning attachment system and method of use An attachment and tensioning system for a planar structure, including a flexible structure, for use with a sign, awning, mural, painting canvas, or roll-up door. One variation includes a first fixed portion for attaching one edge of the structure, such as via an ope... | 01/09/2007 |
| 7152397 | Additional system for assisting regeneration of pollution control means of a motor vehicle This system, in which the engine is associated with a turbocharger and with a feed device adapted to implement first and second regeneration strategies depending on different engine operation control parameters to obtain different temperatures in the exhaust line, a... | 12/26/2006 |
| 7152588 | Intercooler bypass A method of bypassing an intercooler (105) for an engine (100) includes the step of detecting (703) an idle condition for an engine (100). based on engine speed and load, air is induced (707) to bypass an intercooler (105) f... | 12/26/2006 |
| 7114485 | Over expanded two-stroke engines A method for combusting fuel in an engine involving decreasing a first volume of a homogeneous lean fuel/air charge to a second volume, in two stages, while increasing the pressure and temperature of that charge (a compression process having a chosen compression rat... | 10/03/2006 |
| 7100375 | System for limiting rotational speed of a turbocharger A system for limiting the rotational speed of a turbocharger is disclosed. The turbocharger includes a compressor having an outlet fluidly coupled to an intake manifold of an internal combustion engine and a compressor outlet, a turbine having an inlet fluidly coupl... | 09/05/2006 |
| 7082751 | Gas compressor pollution control system and method A pollution control system and method for a compressor for compressing gas, according to which a combustion engine is connected to the compressor for driving the compressor, and the products of combustion from the engine are passed into the flow line connecting the ... | 08/01/2006 |
| 7080511 | Method for controlling engine air/fuel ratio A system for controlling engine air/fuel ratio includes an engine, a compressor having an inlet receiving air. The compressor discharges air to the engine intake. A recirculation path is provided from the compressor discharge to the compressor inlet. A controllable ... | 07/25/2006 |
| 7063064 | Progressive combustion engine A progressive internal combustion engine that improves fuel efficiency, power output, and decreases emissions having a standard four stroke operation; the intake stroke, compression stroke, power stroke, and exhaust stroke when cylinders are engaged. The progressive... | 06/20/2006 |
| 7047741 | Methods for low emission, controlled temperature combustion in engines which utilize late direct cylinder injection of fuel A method is provided for close control and adjustment of in-cylinder oxygen concentration levels together with boost adjustments to minimize harmful emissions during transients in engines which utilize late direct cylinder injection of fuel. EGR flow rates are adjus... | 05/23/2006 |
| 7007472 | System for limiting turbocharger rotational speed A system for limiting the rotational speed of a turbocharger is disclosed. The turbocharger includes a compressor having an outlet fluidly coupled to an intake manifold of an internal combustion engine and a compressor outlet, a turbine having an inlet fluidly coupl... | 03/07/2006 |
| 6968689 | Method and device for regulating the boost pressure of an internal combustion engine A method and a device for regulating the boost pressure of an internal combustion engine having a multiflow air system, which enables both rapid regulation and limitation of the exhaust gas back pressures. The multiflow air system includes a multichannel air supply ... | 11/29/2005 |
| 6945047 | Apparatus and method for automatic detection and avoidance of turbocharger surge on locomotive diesel engines The invention is an apparatus and method for detecting and responding to a surge event in a locomotive engine system including a turbocharger and a diesel engine. A sensor detects an operating parameter of the turbocharged engine and generates a signal indicative of... | 09/20/2005 |
| 6928817 | Control system for improved transient response in a variable-geometry turbocharger A control system for a variable-geometry turbocharger includes a supervisor logic (12) selecting a pulse control output (24) for large variation of desired and previous control signal inputs exceeding a threshold differential and a normal control signa... | 08/16/2005 |
| 6925803 | Electromechanical actuator for the regulation of the turbocharger of internal combustion engines An actuator includes a solenoid with a ferromagnetic nucleus which slides inside the solenoid. The nucleus is combined with a rod appropriate for interacting with a turbocharger's pivot point. The actuator is provided with a sensing system of the position of the fer... | 08/09/2005 |
| 6917873 | Control of multiple supercharged compression ignition engines having EGR A vehicle system controls a compression ignition internal combustion engine equipped with a supercharger system including a plurality of superchargers. The compression ignition internal combustion engine has an exhaust gas recirculation (EGR) system. The vehicle sys... | 07/12/2005 |
| 6883316 | Control system for a turbo-charged diesel aircraft engine In the control system for a turbo-charged diesel aircraft engine, a target value for a fuel injection amount is determined by the stroke of a throttle lever. A boost compensator determines the maximum limit for the fuel injection amount in accordance with the boost ... | 04/26/2005 |
| 6715287 | Method and device for controlling an internal combustion engine that is provided with an air system A device and a method for controlling an internal combustion engine with an air system are described. At least one variable characterizing the air system is determined on the basis of at least one correcting variable and/or at least one measured variable characteriz... | 04/06/2004 |
| 6644029 | Process for control of boost pressure limitation of a turbocharger in an internal combustion engine as a function of the density of ambient air A process for the control of boost pressure of a turbocharger in an internal combustion engine as a function of the density of the ambient air. The internal combustion engine has an exhaust gas turbocharger with control means to control the boost pressure... | 11/11/2003 |
| 6625984 | Variable geometry nozzle for radial turbines A variable geometry nozzle suitable for a radial turbine in a turbocharger for an internal combustion engine. The turbine inlet, turbine outlet or both include a vane assembly having a housing and an adjustable cartridge movable in the housing. Each cartr... | 09/30/2003 |
| 6619040 | Internal combustion engine provided with a decompression-type braking device and with a turbocharger having a variable geometry turbine An internal combustion engine provided with a decompression-type braking system and with a turbocharger having a variable geometry turbine, in which the effective flow section of the gases entering the turbine under the maximum braking power condition is ... | 09/16/2003 |
| 6619261 | System for controlling an operating condition of an internal combustion engine A system for controlling an operating condition of an internal combustion engine includes a control mechanism responsive to a final control command to establish an engine control parameter, and a control computer configured to estimate a current value of ... | 09/16/2003 |
| 6609372 | Method and apparatus for controlling the temperature of an engine The present invention includes a method and apparatus for controlling the exhaust temperature of an engine is disclosed. The method includes the steps of sensing the exhaust temperature of the engine, determining a desired air pressure in response to the ... | 08/26/2003 |
| 6581382 | Method and apparatus for controlling a supply system for a combustion engine A method for controlling a supercharging device for an internal combustion engine includes controlling a variable (x) using different control characteristics in each of at least four sub-ranges defined by a gradient (dx/dt) of the variable to be controlle... | 06/24/2003 |
| 6467270 | Exhaust gas recirculation air handling system for an internal combustion engine A variable geometry turbine and active wastegate are provided in combination along with independent control of the variable geometry turbine and wastegate valve so as to independently control exhaust gas recirculation flow and air flow in an internal comb... | 10/22/2002 |
| 6427445 | Variable nozzle turbine control strategy A variable nozzle turbocharger (12) creates engine boost. Boost is controlled by controlling the position of vanes within turbocharger. A processor develops a control signal (29) for controlling vane position. The processor develops a value for desired bo... | 08/06/2002 |
| 6425246 | Method for regulating or controlling a supercharged internal combustion engine A method for a closed-loop or an open-loop control of a forced-induction internal combustion engine that includes an exhaust turbocharger having an exhaust turbine with a variable turbine geometry for a variable adjustment of an effective turbine cross se... | 07/30/2002 |
| 6408624 | System for controlling transient compressor surge in a turbocharged internal combustion engine A system and method are provided for avoiding transient compressor surge in a turbocharged internal combustion engine. The system includes a control circuit responsive to at least one engine operating parameter to determine a minimum fueling limit that is... | 06/25/2002 |
| 6327856 | Control apparatus and method for premixed compression ignition type internal combustion engines A control apparatus for a premixed compression ignition type internal combustion engine having, a fuel injection valve for supplying a fuel into a combustion chamber of the engine, an operational condition detecting unit for detecting the operational cond... | 12/11/2001 |
| 6318083 | Intake air control device of an engine with a charger and method thereof An engine with a charger, in which an intake passage is provided with a throttle valve which is electronically controlled to a target opening degree and the charger on the upstream side of the throttle valve, wherein a target supercharged pressure is corr... | 11/20/2001 |
| 6314737 | Internal combustion engine having an activatable boost air delivery capacity adjusting An internal combustion engine having one or more parallel exhaust-driven turbochargers that each comprise an activatable delivery capacity adjusting unit for variable adjustment of the boost air delivery capacity with malfunction monitoring of each indivi... | 11/13/2001 |
| 6295814 | Internal-combustion engine with an exhaust gas turbocharger An internal-combustion engine with a turbocharger is suggested, in the case of which a limiting of the exhaust gas counterpressure is provided in the braking operating mode of the internal-combustion engine.... | 10/02/2001 |
| 6256992 | System and method for controlling a turbocharger to maximize performance of an internal combustion engine The present invention relates to a system and method for managing the operation of a turbocharger and is responsible for controlling the turbocharger to cause a desired air mass flow to be provided to the engine and for protecting the turbocharger from ex... | 07/10/2001 |
