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| Number | Title | Issue Date |
| 8091338 | Exhaust gas cleaning apparatus for lean burn internal combustion engine An exhaust gas cleaning apparatus includes a LNT, a fuel adding device, an exhaust gas returning passage, and a controller. The LNT is provided in an exhaust gas passage of an engine. The fuel adding device is located upstream of the LNT to add fuel to exhaust gas f... | 01/10/2012 |
| 8082729 | Configuration having a protected turbocharger in an exhaust gas recirculation line and motor vehicle having the configuration A configuration for treating exhaust gases of an internal combustion engine having a predetermined displacement volume, includes an exhaust gas recirculation line. Exhaust gas flowing through the exhaust gas recirculation line interacts with a turbocharger. A screen... | 12/27/2011 |
| 8069650 | Method for internal combustion engine with exhaust recirculation A method is provided for maintaining the heat in an exhaust after treatment system connected to the exhaust pipe of an internal combustion engine. The engine is used to propel a vehicle and is equipped with a valve-controlled EGR duct for the adjustable recirculatio... | 12/06/2011 |
| 8011175 | Exhaust-gas cooling device for an internal combustion engine An exhaust-gas cooling device for an internal combustion engine includes a housing with an exhaust-gas inlet, an exhaust-gas outlet, a valve device, and a U-shaped heat exchange unit including an outbound flow path and a return flow path. The housing comprises, on t... | 09/06/2011 |
| 7930877 | Exhaust system for an internal combustion engine provided with an exhaust gas recirculation circuit An exhaust system for an internal combustion engine, which is provided with a feeding pipe of fresh air to an intake manifold and with a turbocharger arranged along the feeding pipe; the exhaust system displays: an emission pipe for releasing the exhaust gases produ... | 04/26/2011 |
| 7921639 | Internal combustion engine having a low-pressure exhaust-gas recirculation An internal combustion engine includes an exhaust-gas tract and a supply system for combustion air. A compressor of an exhaust-gas turbocharger is disposed in the supply system for combustion air. A turbine of the exhaust-gas turbocharger, a first particulate filter... | 04/12/2011 |
| RE42056 | Exhaust gas purification system of internal combustion engine A system for purifying exhaust gas generated by an internal combustion engine including a bypass branching out from the exhaust pipe downstream of a catalyst and merging to the exhaust pipe, an adsorber installed in the bypass, a bypass valve member which closes the... | 01/25/2011 |
| 7805926 | Exhaust treatment system having an acidic debris filter An exhaust treatment system for a power source has an air induction system, an exhaust system and a recirculation system. The exhaust system includes a particulate filter. The recirculation system is configured to draw exhaust from downstream of the particulate filt... | 10/05/2010 |
| 7765792 | System for particulate matter sensor signal processing A system having a particulate matter sensor in an exhaust stream of an engine upstream from a particulate filter and another such sensor downstream from the filter. There may also be an exhaust gas recirculation (EGR) control on the engine. The amount of particulate... | 08/03/2010 |
| 7654078 | Exhaust gas particle collector A particle collector includes a housing within an internal chamber having inlet and outlet ports. The housing can comprise two joined-together housing members. A collector element is disposed in the internal chamber and includes a particulate passage extending axial... | 02/02/2010 |
| 7628008 | Exhaust system of a motor vehicle with a diesel engine An exhaust system for a motor vehicle with a diesel engine (10) includes a particulate filter unit (36), a particulate receiving accumulator (24) close to the engine being arranged upstream of the particulate filter unit (36) and binding ... | 12/08/2009 |
| 7591131 | Low pressure EGR system having full range capability An exhaust treatment system for an engine is disclosed and may have an air induction circuit, an exhaust circuit, and an exhaust recirculation circuit. The air induction circuit may be configured to direct air into the engine. The exhaust circuit may be configured t... | 09/22/2009 |
| 7587888 | Engine control apparatus In an engine having apparatus for a post-exhaust process, surging is prevented when the air excess coefficient is changed to a lean condition from a rich condition in order to carry out the post-exhaust process. The present engine control apparatus comprises a turbo... | 09/15/2009 |
| 7565798 | Exhaust gas purifying apparatus and method in internal combustion engine When conditions for regenerating purifiers are established, a control computer first causes an addition nozzle to supply a reducing agent to a first exhaust path. At this time, the control computer reduces a vane opening degree in a first supercharger and increases ... | 07/28/2009 |
| 7513106 | Method for hydrocarbon injection into an exhaust system, upstream of a turbocharger, while minimizing exposure of the exhaust gas recirculation system to the same hydrocarbons The present invention generally relates to engines, and, more particularly, to an exhaust system for reducing buildup in an exhaust gas recirculation system when mixing hydrocarbons with exhaust. ... | 04/07/2009 |
| 7490462 | Turbocharged exhaust gas recirculation system An exhaust recirculation system includes a power source including at least one cylinder outputting exhaust gas and a particulate reducing device fluidly connected to at least one exhaust duct of the power source. The particulate reducing device is configured to redu... | 02/17/2009 |
| 7481040 | Exhaust-gas heat exchanger, in particular exhaust-gas cooler for exhaust gas recirculation in motor vehicles The invention relates to an exhaust-gas heat exchanger, in particular an exhaust-gas cooler (1) for exhaust-gas recirculation (AGR) in motor vehicles equipped with channels, through which exhaust gas flows. According to the invention, a catalyst (8), i... | 01/27/2009 |
| 7454896 | Thermal management system for a vehicle A vehicle thermal management system includes an exhaust gas cooler configured to receive exhaust gas from the engine and to cool the exhaust gas before it is recirculated back into the engine. A valve is located downstream from the exhaust gas cooler, and is operabl... | 11/25/2008 |
| 7448203 | Exhaust gas decontamination system and method of exhaust gas decontamination An exhaust gas decontamination system and a method of exhaust gas decontamination wherein in the regeneration of NOx occlusion reduction type catalyst with respect to a lean-burn engine or diesel engine, even in the instance of rich burning accompanied by... | 11/11/2008 |
| 7441400 | Exhaust system for an internal combustion engine An exhaust system for an internal combustion engine is disclosed. The exhaust system includes at least one main exhaust path connected to at least one cylinder, an exhaust recirculation path that is branched out from the main exhaust path so that part of exhaust gas... | 10/28/2008 |
| 7428809 | Method for operating an internal combustion engine and a device for carrying out the method A method for operating an internal combustion engine; in the exhaust area of this engine there is at least one catalytic converter and downstream from the catalytic converter there is an NOx sensor. A device for carrying out this method is also provided. The NOx sen... | 09/30/2008 |
| 7395661 | Method of estimating soot accumulation amount of exhaust gas purification filter, and computer program product therefor A soot accumulation amount estimation method for an exhaust gas purification filter according to the present invention includes: a first step of burning soot collected in pores of the exhaust gas purification filter (22) to regenerate the filter (22); ... | 07/08/2008 |
| 7369942 | Vehicle traveling state determining apparatus The present invention provides a vehicle traveling state determining apparatus including a camera which picks up an image of a road surface in a direction in which a vehicle is traveling, and zigzag state detecting section for determining a zigzag amount on the basi... | 05/06/2008 |
| 7367181 | System for assisting the regeneration of depollution means integrated in an exhaust line of a heat engine The system for assisting the regeneration of depollution means (1) integrated in an exhaust line (2) of a heat engine (3) of a motor vehicle, by switching the engine between operation in lean mode and operation in rich mode in accordance with va... | 05/06/2008 |
| 7367306 | Internal combustion engine and method of operating An internal combustion engine having at least one cylinder within which is a reciprocable piston movable in a compression stroke followed by movement in a power stroke and wherein a combustible fuel mixture is injected into the combustion chamber, compressed, ignite... | 05/06/2008 |
| 7367182 | Exhaust emission control device for an internal combustion engine A forced regeneration device which performs regeneration of a particulate filter includes oxidation catalysts (23, 24a) disposed upstream from the particulate filter or in said particulate filter and a burner (30) located upstream from the oxida... | 05/06/2008 |
| 7360525 | Control system for internal combustion engine A control system for an internal combustion engine wherein fuel injection timing is determined according to a detected engine operating condition. An actual ignition timing of the fuel is detected and an ignition delay correction amount is calculated wherein the act... | 04/22/2008 |
| 7356987 | Exhaust gas recirculation system having an electrostatic precipitator An exhaust gas recirculation system for a power source, has at least one inlet port configured to receive at least a portion of a flow of exhaust produced by the power source. The exhaust gas recirculation system also has an electrode disposed upstream of the at lea... | 04/15/2008 |
| 7357829 | Diesel particulate filter cleaning device and method Multiple storage tanks and multiple valves that open simultaneously allow gas charges stored at superatmospheric pressure in the tanks to simultaneously discharge and form a single substantial percussion pulse that dislodges particulate matter from a diesel particul... | 04/15/2008 |
| 7353648 | Robust EGR control for counteracting exhaust back-pressure fluctuation attributable to soot accumulation in a diesel particulate filter An engine (10) uses a method for counteracting the effect of soot accumulation in a diesel particulate filter (DPF 38) in a diesel engine exhaust system (16) on the control of exhaust gas recirculation (EGR) through an EGR system (40). En... | 04/08/2008 |
| 7350349 | Method and device of a particle filter for an exhaust system, silencer including such a device, and a combustion engine driven vehicle Method and device for a particle filter for an exhaust system for a combustion engine, wherein the filter is regenerated by spontaneous combustion of particles accumulated in the filter. Exhaust gases from the combustion engine are led, during operation, past the fi... | 04/01/2008 |
| 7347045 | Motorcycle dynamic exhaust system The present invention provides a method of operating a dynamic exhaust system of a motorcycle engine. The method includes providing a valve in the exhaust system that is movable to direct exhaust gases between a first flow path through the exhaust system and a secon... | 03/25/2008 |
| 7334397 | Regulation method and a device for exhaust gas purification The invention relates to a device for purifying exhaust gases from a combustion engine (1), comprising an arrangement (30) for recirculating exhaust gases from the engine to an air intake (2) thereof, a valve device (12) controlled by a c... | 02/26/2008 |
| 7331334 | System and method for purging fuel vapors using exhaust gas A system for a vehicle, comprising of an engine, and a fuel vapor storage system coupled to the engine configured to store and release fuel vapors, the system further configured to route exhaust gas from the engine to the vapor storage system and where adsorbed vapo... | 02/19/2008 |
| 7328573 | Aid system for regeneration of a particle filter for an exhaust line A system for assisting regeneration of a particle filter of an exhaust line (3) of a diesel engine associated with, in particular: a particle filter (7); an oxidation catalytic converter (6); | 02/12/2008 |
| 7322185 | Removal of front end blockage of a diesel particulate filter A particulate matter deposit amount accumulated in a diesel particulate filter (4) is calculated as a first particulate matter deposit amount from a pressure loss of the filter (4) (S33). The particulate matter deposit amount accumulated in the ... | 01/29/2008 |
| 7322193 | Exhaust gas recirculation system An exhaust gas recirculation (EGR) system is provided for an internal combustion engine having a combustion air intake circuit, an exhaust manifold, and an exhaust circuit for communicating engine exhaust to the environment. The EGR system includes an air-to-gas EGR... | 01/29/2008 |
| 7316108 | Hybrid vehicle A hybrid vehicle includes an internal combustion engine with a cylinder head, at least one outlet for exhaust gas which is formed in the cylinder head, a device for directly injecting fuel into a combustion chamber, a spark-ignition device for igniting the directly ... | 01/08/2008 |
| 7314501 | Methods and device for filtration of exhaust gases for a diesel engine with a filtration surface which is variable by means of controlled obstruction A method in which all or some of the particles contained in the exhaust gases of a diesel engine are retained on particle filters and burnt due to the action of a combustion catalyst. At least a part of the particle filters are obstructed when the temperature θg of... | 01/01/2008 |
| 7313913 | Exhaust gas purification system of internal combustion engine An oxidation catalyst is disposed upstream of a diesel particulate filter (DPF) in an exhaust passage of a diesel engine. An electronic control unit (ECU) operates temperature increasing circuit to combust and eliminate particulate matters deposited on the DPF. The ... | 01/01/2008 |
