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| Number | Title | Issue Date |
| 7886727 | Variable venturi system and method for engine Systems and methods for an engine are described. In one example, a system may include a variable venturi coupled in an intake of the engine; an exhaust gas recirculation system having an exhaust gas recirculation flow path, the exhaust gas recirculation flow path co... | 02/15/2011 |
| 7740008 | Multiple height fluid mixer and method of use A mixer assembly (204, 603) for mixing intake air from an intake system (124) with exhaust gas from an exhaust gas recirculation system (134) to yield a mixture stream includes an intake air conduit (202, 700) having an inlet (206, 706... | 06/22/2010 |
| 7530349 | Hydrated EGR system, method and apparatus for reducing harmful exhaust emissions and improving fuel economy A hydrated EGR system, method and apparatus for a vehicle, in which heat from an exhaust pipe is used to heat an aqueous fluid solution in a water tank. A portion of the hot exhaust gas is diverted from the main exhaust flow, and the diverted portion is bubbled thro... | 05/12/2009 |
| 7353812 | Vehicle engine with integral vacuum generator An integral vacuum generator system for an internal combustion engine includes a throttle body and intake manifold defining a bypass passage which is connected with a vacuum manifold by both a venturi and a direct vacuum supply passage. Vacuum flow through the ventu... | 04/08/2008 |
| 7343908 | EGR system having EGR valve with purge air chamber An exhaust gas recirculation system for an internal combustion engine includes an intake manifold, an exhaust manifold, and a turbocharger compressor coupled with the intake manifold. The exhaust gas recirculation system includes an EGR valve fluidly coupled between... | 03/18/2008 |
| 7328692 | Intake device for internal combustion engine According to one aspect of the invention, there is provided an intake device for an internal combustion engine, including a gas passage unit defining therein a secondary gas supply passage for supplying a secondary gas to an intake of the engine, and a thermal insul... | 02/12/2008 |
| 7284531 | Method for operating an internal combustion engine In a method for operating an internal combustion engine in which the fuel is injected into a combustion chamber of a pre-injection and a main injection quantity, the quantity of fuel for the pre-injection, which is selected depending on the combustion location, is i... | 10/23/2007 |
| 7281530 | Supercharging system for internal combustion engine A supercharging system for an internal combustion engine includes an exhaust introduction passage for introducing exhaust gas from an internal combustion engine; an exhaust discharge passage for introducing the exhaust gas from the exhaust introduction passage and e... | 10/16/2007 |
| 7267114 | Wildland fire vehicle escape system A wildland fire truck engine emergency combustion oxygen supply apparatus for the prevention of stalling of the engine in an oxygen depleted environment. The apparatus has a storage tank mounted on the vehicle for the storage of oxygen, nitrous oxide, or air, a feed... | 09/11/2007 |
| 7237541 | Modular intake manifold and integrated air intake system An intake assembly includes an intake manifold comprising several interfitting sections attached to each other to define a plurality of air passages, and an EGR conduit within the intake manifold including openings in communication with each of the plurality of air ... | 07/03/2007 |
| 7228852 | Quick EGR flow restriction test based on compensated mass flow differential An engine control system that monitors flow restriction through an exhaust gas recirculation (EGR) system of an engine includes a first module that calculates a test EGR mass flow rate based on a first average EGR mass flow rate when the EGR system is in an EGR OFF ... | 06/12/2007 |
| 7198040 | Intake device of internal combustion engine According to one exemplary embodiment of the present invention, there is provided an intake device of an internal combustion engine, having a plurality of intake passages for introducing an intake gas into a row of engine cylinders, respectively; and a secondary gas... | 04/03/2007 |
| 7168420 | System and method for engine operation with spark assisted compression ignition A method of operating an internal combustion engine having a combustion chamber with a piston, comprising: inducting at least air and fuel vapors from a fuel vapor system; and adjusting an operating condition of the engine so that a mixture of air and fuel in the co... | 01/30/2007 |
| 7140357 | Vortex mixing system for exhaust gas recirculation (EGR) A vortex mixing system mixes intake air with exhaust gases for exhaust gas recirculation (EGR) in an internal combustion engine. The vortex mixing system may have a vortex mixing device connected to an intake air conduit, a supply conduit, and an EGR conduit. The vo... | 11/28/2006 |
| 7059308 | Cooling device The invention relates to a device for cooling media or liquids, in particular the inlet air and exhaust gas from a motor vehicle. ... | 06/13/2006 |
| 7040306 | Blowby gas ventilation system for an internal combustion engine, and method of using same A blowby gas ventilation system for an internal combustion engine capable of preventing oil from being diluted by efficiently and quickly exhausting a blowby gas together with a water content and the like from a crank chamber through forced ventilation of the crank ... | 05/09/2006 |
| 7033525 | High conductivity polyaniline compositions and uses therefor The present invention describes compositions formed from polyanaline and carbon nanotubes, which exhibit enhanced conductivity and which provide uses in electronic circuit applications. ... | 04/25/2006 |
| 7032578 | Venturi mixing system for exhaust gas recirculation (EGR) A venturi mixing system mixes intake air with exhaust gases for exhaust gas recirculation (EGR) in an internal combustion engine. The venturi mixing system has a venturi disposed in a mixing conduit. The venturi is connected to an intake air conduit and a supply con... | 04/25/2006 |
| 6993908 | Failure detection apparatus for an internal combustion engine A failure detection apparatus for an internal combustion engine includes failure detecting means (S22–S30) for detecting abnormality of fresh air quantity detecting means (air flow sensor) based on the result of comparison between a fresh air quantit... | 02/07/2006 |
| 6981492 | Method for determining an exhaust gas recirculation amount In a method for determining an exhaust gas recirculation amount for an internal combustion engine having a cylinder with an intake duct and an exhaust duct, wherein an outer exhaust recirculation amount is determined from an exhaust gas temperature, a fresh gas temp... | 01/03/2006 |
| 6964161 | Induction exhaust system A induction exhaust system, for an internal combustion engine, capable of the multi step processes of 1) scavenging the chamber of exhaust gases and free radicals, 2) breaking the scavenge vacuum wave behind each energetic exhaust pulse, releasing said free radicals... | 11/15/2005 |
| 6962145 | Failure detection apparatus for an internal combustion engine A failure detection apparatus for an internal combustion engine includes failure detecting means (S22-S30) for detecting abnormality of fresh air quantity detecting means (air flow sensor) based on the result of comparison between a fresh air quantity ... | 11/08/2005 |
| 6953030 | Method for fuel injection in a combustion engine and combustion engine A method for fuel injection in a four-stroke combustion engine (1) of piston-and-cylinder type with compression ignition, whereby a specified fuel quantity is supplied to a combustion chamber (2) for each working cycle, and whereby EGR gases are led ba... | 10/11/2005 |
| 6945238 | Air intake arrangement for an internal combustion engine An air intake system for an internal combustion engine includes a conduit defining a passageway that conveys air to a manifold. An EGR inlet in the conduit enables EGR to mix with the air. A plate is sufficiently positioned in the passageway such that air in the pas... | 09/20/2005 |
| 6932063 | Internal EGR cooler One aspect of the invention relates to cooled internal EGR. Cooled internal EGR is achieved by selectively admitting exhaust to an intake manifold. A heat exchanger is used to cool the exhaust within the intake manifold. Another aspect of the invention related to an... | 08/23/2005 |
| 6923167 | Controlling and operating homogeneous charge compression ignition (HCCI) engines A Homogeneous Charge Compression Ignition (HCCI) engine system includes an engine that produces exhaust gas. A vaporization means vaporizes fuel for the engine an air induction means provides air for the engine. An exhaust gas recirculation means recirculates the ex... | 08/02/2005 |
| 6810658 | Exhaust-gas purification installation and exhaust-gas purification method for purifying an exhaust gas from an internal combustion engine An exhaust-gas purification installation for purifying exhaust gas from an internal combustion engine includes an exhaust-gas catalytic converter which is arranged in an exhaust pipe of the internal combustion engine and a catalytic fuel reformer for generating a hy... | 11/02/2004 |
| 6804588 | System for detecting malfunction of internal combustion engine radiator A system for discriminating malfunction of a radiator of an internal combustion engine, in which conditions for execution of malfunction discrimination of the radiator are decided to be established, when a decline amount of outside air temperature is less than a thr... | 10/12/2004 |
| 6705300 | Method for open-loop and closed-loop control of the number and sequence of strokes in the motive process of a reciprocating-piston internal combustion engine In a method for open-loop and closed-loop control of the number and sequence of strokes in the motive process of a reciprocating-piston internal combustion engine, in particular a reciprocating-piston internal combustion engine with direct injection, it being possib... | 03/16/2004 |
| 6647970 | Exhaust gas recirculation and processing device for turbocharged diesel engine An exhaust gas recirculation and processing device for a turbocharged diesel engine. A reactor comprises an inner chamber substantially surrounded by an outer chamber. Within the inner chamber, compressed air from the turbocharger mixes with engine exhaus... | 11/18/2003 |
| 6571781 | Exhaust gas assisted fuel injection system for internal combustion engine The present invention relates to a fuel injecting apparatus for an internal combustion engine, in which exhaust gas is applied to the injection of fuel. According to the fuel injecting apparatus, a portion of hot exhaust gas is introduced in front of the ... | 06/03/2003 |
| 6553978 | Air pollution preventing device in internal combustion engine An air pollution preventing device for preventing release of blow-gas within a crank chamber to the atmosphere and restraining discharge of polluting substance within burned gas by returning exhaust gas to a combustion chamber is provided. A blow-by gas t... | 04/29/2003 |
| 6484703 | EGR/bleed air diverter valve A valve for use in an EGR system for an internal combustion engine has a housing having an exhaust inlet, an EGR outlet, an exhaust outlet and a bleed air inlet. A butterfly plate is pivotally connected to the housing. The butterfly plate has at least a f... | 11/26/2002 |
| 6422218 | Device for recirculating exhaust gases in an internal combustion engine A device for recirculating exhaust gases in an internal combustion engine, in which a predeterminable quantity of recirculated exhaust gas is introduced into the inlet port of the internal combustion engine downstream in the direction of flow from a throt... | 07/23/2002 |
| 6367461 | Exhaust recirculating device, for a motor engine An exhaust recirculating device for a motor engine to which an exhaust pipe and an air inlet pipe are connected. The device includes an air introducing member connected to the exhaust pipe and the air introducing member includes a hollow body and a connec... | 04/09/2002 |
| 6308666 | Internal combustion engine having means for recirculating exhaust and turbo boost gases The invention concerns an internal combustion engine devoid of mechanical turbo boost means comprising n cylinders (C1, . . . , C4) each provided with a piston with reciprocating translation movement, each cylinder being equipped with q exhaust valves and... | 10/30/2001 |
| 6230695 | Exhaust gas recirculation system Past exhaust emission control systems fail to utilize exhaust gas recirculation during all operating parameters of an engine. The present exhaust gas recirculation system reduces the emissions emitted from an engine during all operating parameters of the ... | 05/15/2001 |
| 6227181 | Internal combustion engine having combustion heater Disclosed is an internal combustion engine having a combustion heater of a type of introducing a combustion gas into an intake system, in which an air/fuel ratio is prevented from becoming rich, and NOx and particulate matters are to be reduced even when ... | 05/08/2001 |
| 6212881 | Exhaust gas recirculation mechanism for engine and method for controlling exhaust gas recirculation valve An exhaust gas recirculation mechanism of an engine. Some of exhaust gas discharged from combustion chambers is recirculated to the combustion chambers through an EGR passage. An EGR valve is located in the EGR passage for adjusting the amount of recircul... | 04/10/2001 |
| 6209324 | Exhaust turbocharger An exhaust turbocharger for an internal combustion engine has a main compressor for compressing the fresh air supplied to the engine, an additional compressor for compressing combustion gases to be recycled to the engine, and a turbine that can be driven ... | 04/03/2001 |
