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| Number | Title | Issue Date |
| 8156730 | Engine performance management during a diesel particulate filter regeneration event Various embodiments of an apparatus, system, and method are disclosed for managing regeneration event characteristics. For example, according to one embodiment, an apparatus for controlling the temperature of the output exhaust of an internal combustion engine for a... | 04/17/2012 |
| 8141342 | Control device and control method for internal combustion engine In a region where the engine load is less than a first predetermined value, only a second exhaust valve that opens and closes a second exhaust passageway that bypasses a turbine of a supercharger is opened. In a region where the engine load is greater than or equal ... | 03/27/2012 |
| 8099948 | Exhaust system of internal combustion engine A first control valve is disposed downstream of a junction point of a first exhaust passage, and a second catalytic converter is disposed downstream of a junction point of the second exhaust passage. The first control valve and the second control valve are controlle... | 01/24/2012 |
| 8087232 | Exhaust system of internal combustion engine In an exhaust system of an internal combustion engine having a plurality of cylinders, a control valve is disposed downstream of a junction point of one of two exhaust passages of the engine, and a control valve and a catalytic converter are disposed downstream of a... | 01/03/2012 |
| 8069651 | Machine, engine system and operating method A method of operating an engine system includes compressing intake air, restricting exhaust flow from the engine via a flow restriction device, and supplying compressor air to a compressed air subsystem of the engine during restricting exhaust flow. Supplying of com... | 12/06/2011 |
| 8024919 | Engine system, operating method and control strategy for aftertreatment thermal management A method of operating an internal combustion engine system includes passing exhaust gases from an engine to an aftertreatment device such as a particulate filter at an exhaust temperature less than a target temperature, and increasing a temperature of exhaust gases ... | 09/27/2011 |
| 7980061 | Charged air bypass for aftertreatment combustion air supply An engine system includes an engine, an intake fluid system, and an exhaust fluid system. Furthermore, the engine system includes a turbocharger device including a compressor member in operative communication with the intake fluid stream and an energy supply member ... | 07/19/2011 |
| 7886522 | Diesel gas turbine system and related methods A combined diesel gas-turbine system for optimizing operation and combustion processes of a diesel engine includes a catalytic sub-system, a turbo-generator sub-system and a hybrid sub-system. The catalytic sub-system is in communication with an exhaust port of the ... | 02/15/2011 |
| 7877981 | Control strategy for turbocharged diesel engine The description relates to a control strategy for assisting regeneration of a particulate filter for a turbocharged diesel V-engine. The engine has two cylinder banks, a first cylinder bank coupled to a first exhaust pipe and a second cylinder bank coupled to a seco... | 02/01/2011 |
| 7765793 | Exhaust emission control device of internal combustion engine To provide an exhaust emission control device of an internal combustion engine able to well atomize a reducing agent and ensure supply of combustion air. Since a controller of the exhaust emission control device also controls a nozzle opening degree of a variable ge... | 08/03/2010 |
| 7464539 | Method and apparatus for supplying air to emission abatement device by use of turbocharger An apparatus comprises a combustion engine, an emission abatement device, and a turbocharger. The emission abatement device is fluidly coupled to the engine to receive exhaust gas therefrom. The turbocharger comprises an air compressor that is fluidly coupled to the... | 12/16/2008 |
| 7434389 | Engine system and method of providing power therein An engine system includes an internal combustion engine having an exhaust system, and an air supply passage connecting therewith. The engine system includes an auxiliary regeneration device coupled with the exhaust system, and an auxiliary power turbine coupled with... | 10/14/2008 |
| 7409823 | Method and apparatus for delivery of supplemental material to an exhaust gas feedstream with supplemental air assistance A method and system for introducing supplemental material to an exhaust aftertreatment device, including: a delivery system, an air pump operable to input pressurized air to the delivery system, and a turbosupercharger of an internal combustion engine operable to de... | 08/12/2008 |
| 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 |
| 7356989 | System for providing assistance in regenerating depollution means The invention provides a system for providing assistance in regenerating depollution means included in an exhaust system of a motor vehicle engine, the system comprising means for controlling the operation of the engine in order to switch the engine between operatio... | 04/15/2008 |
| 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 |
| 7347086 | System and method for burner-based accelerated aging of emissions control device, with engine cycle having cold start and warm up modes A method for accelerated aging of an automotive catalytic converter under conditions incorporating cold start simulations. ... | 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 |
| 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 |
| 7328577 | Multivariable control for an engine A multivariable controller that models the interaction between groups of sensors and groups of actuators during the operation of an engine. By accounting for the interactive effects that a group of actuators has on a sensor or group of sensors, improved system perfo... | 02/12/2008 |
| 7322182 | Filter regeneration control A regeneration control device which regenerates a filter (4) which traps particulate matter in the exhaust gas of an engine (1) is disclosed. The regeneration control device includes a first temperature sensor (16, 17), which detects one of an u... | 01/29/2008 |
| 7322192 | Exhaust gas recirculation system An internal combustion engine includes an exhaust gas recirculation (EGR) system. The EGR system includes an air-to-gas EGR cooler, an air inlet line communicating cooling inlet air to the EGR cooler, an EGR supply line communicating exhaust to the EGR cooler, a ven... | 01/29/2008 |
| 7319928 | Method for real time determination of the mass of particles in a particle filter of a motor vehicle A method for real-time determination of the mass of particles in a particle filter fitted to the exhaust line of an internal combustion engine. The following data—temperature T(t) of the exhaust gas at the filter input, oxygen [O2 (t)] and nitrogen oxid... | 01/15/2008 |
| 7308788 | Engine and method for counteracting face plugging of a diesel oxidation catalyst A turbocharged engine (20, 20′, 20″, 20′″) counteracts plugging of a diesel oxidation catalyst (DOC 48) by causing a first portion of exhaust from one or more exhaust manifolds (26, 28) to enter the DOC after having passed through the tu... | 12/18/2007 |
| 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 |
| 7302795 | Internal combustion engine/water source system An internal combustion engine system for automotive vehicle wherein liquid water is produced by cooling a portion of exhaust gases at elevated pressure to induce condensation. The use of elevated pressure allows condensation to occur at a higher dew point which is e... | 12/04/2007 |
| 7299623 | Method for controlling exhaust gas temperature and space velocity during regeneration to protect temperature sensitive diesel engine components and aftertreatment devices A method for controlling the temperature and/or space velocity of exhaust gas provides control of the maximum temperature of the exhaust gas to prevent thermal damage to the Diesel engine components and associated aftertreatment devices during regeneration of the af... | 11/27/2007 |
| 7296403 | Dual walled particular filter for transporting filtered exhaust to a compressor of a diesel engine turbocharger An internal combustion engine exhaust gas recirculation system. A turbine section of a turbocharger is coupled to an exhaust manifold of the engine. A compressor section has an output coupled to an intake manifold of the engine. The exhaust gas aftertreatment system... | 11/20/2007 |
| 7284366 | System and method for operating an engine having an exhaust gas recirculation system In an apparatus having an internal combustion engine, a compressor for compressing engine intake gases, a particulate filter for filtering particulate matter from engine exhaust, an exhaust gas recirculation (EGR) system for recirculating exhaust gases from a locati... | 10/23/2007 |
| 7275365 | Method for controlling temperature in a diesel particulate filter during regeneration Uncontrolled regeneration in a Diesel particulate filter is prevented by controlling the concentration and mass flowrate of oxygen passing through the Diesel particulate filter during regeneration. ... | 10/02/2007 |
| 7277801 | Method for testing catalytic converter durability The present application relates in general to methods for testing the performance of an automotive catalytic converter under conditions simulating those which occur in motor vehicles over extended driving conditions. ... | 10/02/2007 |
| 7269952 | Method and apparatus for gas turbine dry low NOx combustor corrected parameter control A method for controlling a combustor of an engine, the combustor having a fuel to oxidant ratio, the fuel to oxidant ratio being defined as a ratio of an amount of fuel supplied to the combustor divided by an amount of oxygen in an oxidant stream supplied to the com... | 09/18/2007 |
| 7269942 | Wall flow particulate trap system A wall-flow particulate trap system regenerated by reverse flow of filtered exhaust gas through porous walls of a plurality of tubular passages is disclosed. The system includes a particulate trap having an inlet and an outlet, the particulate trap adapted to receiv... | 09/18/2007 |
| 7266944 | Exhaust gas filtering system for internal combustion engine In order to restrict an over-temperature-rising of a diesel particulate filter (DPF), an electronic control unit (ECU) computes a flow rate of the exhaust gas flowing through the DPF so that temperature of the DPF is kept at a temperature in which the DPF can be reg... | 09/11/2007 |
| 7263825 | Apparatus, system, and method for detecting and labeling a filter regeneration event An apparatus, system, and method are disclosed for detecting and evaluating a filter regeneration event. The apparatus, in one embodiment, is configured to determine whether an oxidation rate of soot accumulated on a particulate filter has attained a level sufficien... | 09/04/2007 |
| 7263824 | Exhaust gas aftertreatment device for an internal combustion engine An exhaust gas aftertreatment device for an internal combustion engine comprises an inlet configured to receive the exhaust gas, an outlet from which the exhaust gas exits the device, a first passageway defined between the inlet and the outlet, and a second passagew... | 09/04/2007 |
| 7260929 | Secondary air deliver device for an internal combustion engine In a secondary air delivery device for an internal combustion engine comprising a secondary air charger with a compressor and a turbine which is driven by the vacuum generated in the engine intake duct and which drives the compressor that delivers secondary air to t... | 08/28/2007 |
| 7251932 | Exhaust system and method for controlling exhaust gas flow and temperature through regenerable exhaust gas treatment devices A reconfigurable exhaust system provides selective positioning of exhaust gas treatment devices either near, or spaced from, the exhaust gas outlet port of a turbine of a turbocharged Diesel engine. In some embodiments, auxiliary air or a heat exchanger are arranged... | 08/07/2007 |
| 7246485 | Exhaust gas purifying device and method for internal combustion engine Removal of fine particles by oxidation or/and sulfur poisoning recovery control may be required when an internal combustion engine has been in an extremely low load state for a predetermined period or more. In this case, the engine speed of the internal combustion e... | 07/24/2007 |
| 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 |
