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| Number | Title | Issue Date |
| 7946118 | Cooling an electrically controlled turbocharger An electrically controlled turbocharger has a motor mounted on a shaft in a motor housing between a turbine and compressor. Oil is sprayed onto the motor stator to cool the stator. An oil gallery is disposed above the stator to receive lubricating oil and contains a... | 05/24/2011 |
| 7373924 | Method and system to mitigate pump noise in a direct injection, spark ignition engine A method and system for controlling a fuel pressurizing system in a direct-injection, spark-ignition engine is disclosed such that the ticking sound of a solenoid valve in the high pressure pump is disabled at certain engine operating conditions. The fuel pressurizi... | 05/20/2008 |
| 7370628 | Method for assisting with heating a catalytic converter of an internal combustion engine The invention relates to a method for heating a catalytic converter which is arranged in the exhaust-gas path of an internal combustion engine with direct injection and spark ignition. In the method, a first fuel injection takes place in the intake stroke (E), where... | 05/13/2008 |
| 7343902 | Dual combustion mode engine A system and method to provide a desired torque increase from an engine in which some cylinder operate in spark ignition (SI) combustion mode only and some cylinders operate in homogeneous-charge, compression-ignition (HCCI) combustion mode only are disclosed. Such ... | 03/18/2008 |
| 7320781 | Method for adjusting a reductant used in an internal combustion engine to reduce NOx A method for controlling reductant injection into an exhaust stream upstream of a catalyst coupled to an internal combustion engine is disclosed. In the method, an ammonia sensor located downstream of the exhaust catalyst is used to determine ammonia concentration i... | 01/22/2008 |
| 7305955 | Dual combustion engine An internal combustion engine is disclosed in which some cylinders are adapted to run in homogeneous-charge compression-ignition (HCCI) combustion mode and at other cylinders are adapted to run in spark-ignition (SI) combustion mode. HCCI cylinders are at least 2 co... | 12/11/2007 |
| 7275518 | Torque-based powertrain control for vehicles A system and method for controlling a vehicle powertrain having an internal combustion engine include determining a difference between a desired engine torque and a current engine torque, adjusting the difference based on a stored torque offset corresponding to a cu... | 10/02/2007 |
| 7255095 | Dual combustion mode engine In an engine in which a first portion of engine cylinders operate in HCCI combustion mode only and a second portion of engine cylinders operate in SI combustion mode only, two EGR ducts and valves are provided: a first EGR duct adapted to provide flow from an exhaus... | 08/14/2007 |
| 7240480 | Dual Combustion Mode Engine An internal combustion engine is disclosed in which at least one cylinder is adapted to run in homogeneous-charge compression-ignition (HCCI) combustion mode and at least one cylinder is adapted to run in spark-ignition (SI) combustion mode with the HCCI cylinder ha... | 07/10/2007 |
| 7201118 | Piston-cooling arrangement for an internal combustion engine The invention relates to an internal combustion engine having a piston-cooling arrangement (1) which has at least one spray device (2, 27; 2, 39) which is supplied with a coolant/lubricant via at least one supply passageway (3). The supply passa... | 04/10/2007 |
| 7191641 | Rotary position sensing assembly for internal combustion engine A rotary position sensing assembly for an internal combustion engine includes a mounting socket rigidly attached to a structural support of a rotating component and a position sensor slidably engaged with the socket. A slidably engageable retainer maintains the sens... | 03/20/2007 |
| 7188514 | Method for providing an oil change indication to an operator of an internal combustion engine A method for providing an oil change indication to an operator of an internal combustion engine having an exhaust-after-treatment system requiring regeneration, The method includes detecting regeneration events performed on the exhaust-after-treatment system; detect... | 03/13/2007 |
| 7178503 | System and method to pre-ignition in an internal combustion engine An engine system and method are disclosed for controlling pre-ignition of an alcohol fuel. In one embodiment, the fuel injection timing is adjusted to cause the fuel to avoid combustion chamber surfaces. In another embodiment, the fuel injection timing is adjusted t... | 02/20/2007 |
| 7167791 | Oxygen depletion sensing for a remote starting vehicle Automotive vehicles are increasingly being equipped with remote starting devices. If the vehicle is within a space which is very well sealed, it is possible that the concentration of the exhaust gases may exceed desirable levels. A method and system are disclosed in... | 01/23/2007 |
| 7165529 | Method to control electromechanical valves in a DISI engine A system and method are disclosed for operating an internal combustion engine in which the intake valves are electromechanical valves and the engine has direct fuel injection. By opening the intake valves during the intake stroke when the piston is moving at its max... | 01/23/2007 |
| 7165403 | Series/parallel turbochargers and switchable high/low pressure EGR for internal combustion engines Systems and methods for turbocharging an internal combustion engine include operating two turbochargers in a series configuration for a first operating region and a parallel configuration for a second operating region. Systems and methods for controlling exhaust gas... | 01/23/2007 |
| 7156077 | Fuel system for internal combustion engine A fuel system for an internal combustion engine uses a fuel pump having an internally mounted pressure-responsive buffer which increases the volume available for fuel within the pump's discharge port upon shutdown of the pump, so as to assist in the mitigation of fu... | 01/02/2007 |
| 7152568 | Internal combustion engine A cylinder block for an internal combustion engine which, in use, supports a rotary crankshaft 40, the block having pairs of opposed lock width surfaces 37 formed thereon for forming an interference fit with respective co-operating lock width surfaces ... | 12/26/2006 |
| 7152571 | Lubrication system having a gasket with integrated lubrication channel The present invention is directed to a lubrication system having a gasket with integrated lubrication channel for providing lubrication to the surface of an engine part. Preferably, the gasket is a multilayer metal gasket comprised of an upper layer, a bottom layer,... | 12/26/2006 |
| 7124743 | System and method for starting sequential fuel injection internal combustion engine A system and method for controlling an internal combustion engine during starting use position sensor information in addition to cylinder combustion information to transition from simultaneous fueling to sequential fueling by selecting a cylinder to receive a first ... | 10/24/2006 |
| 7124734 | Method of reducing exhaust gas emissions during cold start conditions and an internal combustion engine in which the method is used An internal combustion engine and a method of reducing hydrocarbon emissions of an internal combustion engine during cold start conditions in disclosed. The engine has at least one cylinder provided with a piston which reciprocates between a top dead-center and a bo... | 10/24/2006 |
| 7124715 | Engine cooling systems An engine cooling system has a primary cooling circuit having with a coolant pump to pump coolant to the engine, an engine return line, a radiator and a bypass in parallel with the radiator. The primary circuit also has a flow control valve to control flow between t... | 10/24/2006 |
| 7124019 | Powertrain control module spark duration diagnostic system A system and method for diagnosing ignition system performance of an internal combustion engine. The method operates an engine control unit to produce a sequence of spark ignition current pulses through primary windings of a plurality of ignition coils. The current ... | 10/17/2006 |
| 7114324 | Method for operating a lean burn engine with an aftertreatment system including nonthermal plasma discharge device In an exhaust aftertreatment system, which includes a nonthermal plasma discharge device followed by a NOx storage device followed by a precious metal catalyst, a method is disclosed for operating the engine at a lean air-fuel ratio when the NOx storage device is no... | 10/03/2006 |
| 7107969 | Twist-lock fuel injector assembly A fuel system and associated method include a fuel injector and associated injector cup having an integral device that provides rotational orientation while allowing axial sliding engagement of the fuel injector relative to the cup after assembly. One embodiment inc... | 09/19/2006 |
| 7104044 | Method for reducing the exhaust emissions from an engine system The invention relates to a method for reducing the exhaust emissions during the cold start of an internal combustion engine (3). According to the method, a starter motor (4) is operated in parallel with the internal combustion engine (3) until t... | 09/12/2006 |
| 7104250 | Injection spray pattern for direct injection spark ignition engines A system and method for controlling combustion in a direct injection spark ignition internal combustion engine inject fuel directly into a combustion chamber through an injector having an ignition jet or group of jets positioned primarily to support stratified charg... | 09/12/2006 |
| 7104235 | Starting a camless engine from rest A method and system to start an internal combustion engine from rest is disclosed. The engine has intake and exhaust valves in each cylinder in which actuation of such valves is independent of engine rotation. The engine also has a fuel injector and a spark plug dis... | 09/12/2006 |
| 7093568 | Control of autoignition timing in a HCCI engine Method and system embody a valve timing strategy to control the autoignition timing of a four stroke internal combustion engine (10) operated in an HCCI mode at different engine operating conditions such as different engine speed and torque. A particular valv... | 08/22/2006 |
| 7082903 | Temperature responsive flow control valves for engine cooling systems An engine cooling system has a primary cooling circuit with a pump to circulate liquid coolant through an engine, the coolant being returned to the pump via a radiator and a bypass arranged in parallel. A temperature-responsive control valve controls flow as between... | 08/01/2006 |
| 7058500 | Method and system for determining cylinder position with an internal combustion engine An internal combustion engine having a crankshaft rotatable within an engine block of the engine and at least one camshaft driven by the crankshaft. The crankshaft is fixed to a crankshaft wheel having a plurality of crankshaft wheel marks and at least one crankshaf... | 06/06/2006 |
| 7028647 | Variable compression ratio connecting rod for internal combustion engine A variable compression ratio connecting rod for an internal combustion engine includes a large end adapted for attachment to a crankshaft and a small end adapted for attachment to a piston. An adjustable four-bar link system extends between and links the large end a... | 04/18/2006 |
| 7025032 | Priority oil system The present invention comprises an oil system for supplying and controlling oil flow in an internal combustion engine having a variable camshaft timing (VCT) device, comprising a pressurized oil supply providing lubricating oil to the engine and the variable cam tim... | 04/11/2006 |
| 7001445 | Ambient air pollution trap The invention relates to a method and an apparatus for cleaning ambient air of a vehicular adsorption unit (8). The vehicle includes a combustion engine (1) and a passenger ventilation system (5, 6, 7, 8, 9, 10, 11). Adsorption takes place wheth... | 02/21/2006 |
| 6976456 | Connecting rod An adjustable connecting rod system includes a reliable, rapidly responsive mechanism for varying effective connecting rod length to vary the compression ratio of the engine. The mechanism may employ the momentum of connecting rod components during operation of the ... | 12/20/2005 |
| 6971357 | Method for preparing an internal combustion engine for starting The invention relates to a method for improving the initial conditions for starting a direct injection, spark-ignition internal combustion engine. Measures, such as adjusting the throttle valve, a varying inlet and exhaust valve timings, operating a secondary-air pu... | 12/06/2005 |
| 6970781 | Compression ratio mode selection logic for an internal combustion engine having discrete variable compression ratio control mechanism A method and system for operating an internal combustion engine. The internal combustion engine is operable in a plurality of compression ratio operating modes. The method includes determining a relationship between a base engine threshold load where the high compre... | 11/29/2005 |
| 6951098 | Method and system for controlling temperature of an internal combustion engine exhaust gas aftertreatment device A method for controlling torque in an internal combustion engine to cause an increase in temperature in an exhaust aftertreatment device is disclosed. One group cylinders feed exhaust gases to one exhaust aftertreatment device and another group of cylinders feed exh... | 10/04/2005 |
| 6942083 | Viscous fan clutch actuated by a heating element and ambient air A fan apparatus is disclosed which includes a fan coupled to a drive mechanism via a viscous clutch. The viscous clutch includes a drive chamber containing a hydraulic fluid with an amount of hydraulic fluid in the drive chamber being related to a torque transmitted... | 09/13/2005 |
| 6941927 | Internal combustion engine control during cold start The invention relates to a method for controlling an internal combustion engine during a cold start operation. The engine is supplied with a substantially constant, lean air/fuel ratio immediately after the engine is started, while the engine has an idle speed that ... | 09/13/2005 |
