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| Number | Title | Issue Date |
| 7199088 | Lubricating oil for a diesel powered engine and method of operating a diesel powered engine A lubricating oil composition useful for a diesel-powered engine is provided that reduces NOx emissions level produced from a diesel-powered engine. The lubricating oil comprises a base oil and at least one oil-dispersible source of HNCO such as isocyanates. A metho... | 04/03/2007 |
| 7198660 | Electrostatic device for ionic air emission Ionic emission electrostatic device (1) for depositing on the surface (sp) of a multitude of aerosol particles (p1, p2, . . . , pn) within a fluid (F), a quasi-homogeneous quantity of ions (iq). This electrostatic device (1) is... | 04/03/2007 |
| 7195006 | Exhaust gas recirculation system with control of EGR gas temperature A method and system for controlling the temperature of recirculated exhaust gas in an exhaust gas recirculation (EGR) system, such as those used in connection with diesel engines. An EGR loop (which may be either a high pressure loop or a low pressure loop) has a du... | 03/27/2007 |
| 7194854 | Method for improved performance of a vehicle having an internal combustion engine An engine control system for managing lean operation of an internal combustion engine coupled to a lean NOx trap uses an indication of vehicle activity. A target amount of tailpipe emission per distance is adjusted based on the vehicle activity indication. Then, eng... | 03/27/2007 |
| 7191592 | Diesel engine exhaust system Apparatus and a method for controlling gas flow into a combustion engine exhaust gas filter e.g., to control filter temperatures during filter regeneration, comprising providing a fluidic exhaust stream diverter proximate to and centrally of the inlet face of the fi... | 03/20/2007 |
| 7191590 | Exhaust gas purifying method and exhaust gas purifying system In an exhaust gas purifying system (b 1) that purifies NOx for the exhaust gas from an internal combustion engine (E) through sulfur purging control by a NOx occlusion reduction type catalyst (41), sulfur purging is judged to have started when the oxygen conc... | 03/20/2007 |
| 7191591 | Attenuation of engine harshness during lean-to rich transitions Engine systems and methods for accomplishing regeneration of a NOx adsorber (28) using in-cylinder post-injection in a way that creates a lean-rich transition (FIG. 3) for regenerating the NOx adsorber while attenuating engine torque output fluctuation... | 03/20/2007 |
| 7189574 | Measurement of nitrogen content in a gas mixture by transforming the nitrogen into a substance detectable with nondispersive infrared detection A method of determining the amount of nitrogen in a gas mixture. The constituent gases of the mixture are dissociated and transformed to create a substance that may measured using nondispersive infrared adsorption techniques. ... | 03/13/2007 |
| 7189376 | Multi-zoned catalyst and trap Provided are coated, multi-zoned catalyst substrates that trap and combust hydrocarbon and nitrogen oxides pollutants in a single monolith substrate. In some embodiments, the multi-zoned catalysts contain both radial and axial zones. The zones can be formed by depos... | 03/13/2007 |
| 7189948 | Method for controlling the heating of an oxygen sensor for an engine of a vehicle A lower limit of a heating factor for heating control of an oxygen sensor is adjusted on the basis of the heating factor, a P-jump delay time calculated based on an output voltage of the oxygen sensor, and a diagnosis index of the oxygen sensor, and thereby an engin... | 03/13/2007 |
| 7189269 | Fuel composition comprising a base fuel, a fischer tropsch derived gas oil, and an oxygenate A fuel composition is provided containing (i) a base fuel, (ii) a Fischer-Tropsch derived gas oil and (iii) an oxygenate. The components (ii) and (iii) can be used in a tertiary fuel blend with a base fuel (i) for the purpose of achieving for the composition (a) a n... | 03/13/2007 |
| 7188469 | Exhaust system and methods of reducing contaminants in an exhaust stream In one embodiment, a method of reducing NOx contaminant in an exhaust stream includes: introducing diesel fuel and an oxidant to a reformer to produce a reformer effluent comprising hydrogen and nitrogen, introducing the reformer effluent to a non-thermal plasma rea... | 03/13/2007 |
| 7189374 | Emissions control A diesel engine (1) has an exhaust system (4) and an oxidation catalyst (5a). Exhaust gas for recirculation is taken through an intake pipe (6) downstream of the catalyst, and preferably upstream of a filter (5b) for ... | 03/13/2007 |
| 7185487 | Adaptive engine control for low emission vehicle starting A method for rapidly heating an emission control device in an engine exhaust uses excess air added to the exhaust via an air introduction device. After an engine cold start, the engine is operated to raise exhaust manifold temperature to a first predetermined value ... | 03/06/2007 |
| 7185490 | Arrangement for securely mounting an exhaust manifold to the cylinder head of an internal combustion engine An exhaust manifold has a head flange constructed for receiving at least two exhaust pipes arranged side-by-side, and includes spaced apart first and second longitudinal flange portions. A mounting assembly is provided for sealingly securing the exhaust manifold to ... | 03/06/2007 |
| 7181903 | Exhaust gas purifying apparatus and method of using the same The present invention relates to an exhaust gas purifying apparatus comprising a plasma reactor containing at least one of a H2O adsorbent and a HC adsorbent; and a NOx adsorbent located downstream of said plasma reactor. Further, the present i... | 02/27/2007 |
| 7183945 | Method and system for video capture of vehicle information A system for collecting and managing information relating to vehicles includes a digital image collection system positioned to capture an image of a vehicle travelling along a roadway. The captured images are delivered to a computer program memory via a communicatio... | 02/27/2007 |
| 7181904 | Exhaust purification device of compression ignition type internal combustion engine An SOx trap catalyst (11) able to trap SOx contained in exhaust gas is arranged in an engine exhaust passage upstream of an NOx storing catalyst (12). When the SOx trap rate by the SOx trap catalys... | 02/27/2007 |
| 7181909 | Control method for an exhaust gas purification system and an exhaust gas purification system When a forced regeneration is restarted after interrupting the forced regeneration, and in at least any one of cases where the collecting quantity area (Rpj) detected by the collecting quantity area detection means (32C) is in another collecting quantity area... | 02/27/2007 |
| 7181906 | Devices and methods for reduction of NOemissions from lean burn engines The invention provides devices and methods for generating H2 and CO in an O2 containing gas stream. The invention also provides devices and methods for removal of NOX from an O2 containing gas stream, particularly the oxyg... | 02/27/2007 |
| 7181907 | Method and system for regenerating, particularly desulfating, a storage-type catalytic converter during the purification of exhaust gases A method and a system for regenerating, in particular desulfating, storage catalysts in the cleaning of exhaust gas from internal combustion engines. During the regeneration phase the combustion is controlled, initially inside the engine, by a control unit in such a... | 02/27/2007 |
| 7181908 | Torque compensation method for controlling a direct-injection engine during regeneration of a lean NOx trap A torque compensation method for controlling a direct-injection gasoline engine during regeneration of a lean NOx trap disposed in an exhaust path of the engine determines a desired torque in accordance with driver demands, cruise control settings or idle control. A... | 02/27/2007 |
| 7181902 | Coordinated engine control for lean NOx trap regeneration A method for controlling a direct-injection gasoline engine during regeneration of a lean NOx trap disposed in an exhaust path of the engine includes determining the current air-fuel ratio and comparing the current air-fuel ratio to a lean limit air-fuel ratio. Tran... | 02/27/2007 |
| 7181905 | Lean-burn engine exhaust air-fuel and temperature management strategy for improved catalyst durability A system is described for improving engine and vehicle performance by considering the effects of exhaust conditions on catalyst particle growth. Specifically, engine operation is adjusted to reduce operating in such conditions, and a diagnostic routine is described ... | 02/27/2007 |
| 7182802 | Evaporative emissions filter An evaporative emissions filter for an engine air induction system. The evaporative emissions filter includes a hydrocarbon vapor-adsorbent member disposed within the air induction system. A mechanism is provided for mounting the evaporative emissions filter within ... | 02/27/2007 |
| 7184878 | Engine protection system An engine protection system and protocol is implemented within an electronic control module. Various engine parameters, such as engine coolant level, coolant temperature, transmission fluid temperature, and engine oil pressure are monitored and compared to limit val... | 02/27/2007 |
| 7182078 | System for assisting regenerating depollution means integrated in an exhaust system of an engine A system for assisting regeneration of depollution included in an exhaust system of a motor vehicle engine by switching the engine between operation in lean mode and operation in rich mode, depending on various parameters for controlling the operation of the engine,... | 02/27/2007 |
| 7178328 | System for controlling the urea supply to SCR catalysts A reductant dosing control system, for use in a Selective Catalytic Reduction (SCR) system of a motor vehicle includes an input receiving a NOx feedback signal from an NOx sensor provided to the SCR system. A base dosing module calculates a required quantity of redu... | 02/20/2007 |
| 7178327 | Internal combustion engine and control method thereof An internal combustion engine in which power is generated by burning a mixture of fuel supplied from a port injector and/or an in-cylinder injector and air in a combustion chamber, includes a valve drive mechanism which can change a valve opening characteristic of a... | 02/20/2007 |
| 7178330 | Pressure detecting apparatus having solenoid valve and pressure sensor A secondary air pressure detecting apparatus includes a solenoid valve and a pressure sensor. The solenoid valve defines a secondary air passage that introduces secondary air from the air pump into the exhaust system of an engine. The solenoid valve opens and closes... | 02/20/2007 |
| 7179767 | Small-volume NOadsorber A support body is described which has an adsorber material for adsorbing nitrogen oxides in an exhaust gas which is generated in at least one combustion chamber of an internal-combustion engine. A method is described for operating an internal-combustion engine havin... | 02/20/2007 |
| 7178331 | Exhaust system for lean burn IC engines An exhaust system (10) for a lean-burn internal combustion engine comprises a nitrogen oxide (NOx) absorbent (28), a catalyst (30) for catalyzing the selective catalytic reduction (SCR) of a NOx with a NOx specif... | 02/20/2007 |
| 7178332 | Exhaust heat recovery system In an exhaust heat recovery system, electric power generation efficiency of a thermoelectric conversion element can be improved, and warming-up of a catalyst can be completed early, without using a complicated device. The exhaust heat recovery system according to th... | 02/20/2007 |
| 7181331 | Engine air-fuel ratio control system An engine air-fuel ratio control system is configured to use a rich air-fuel ratio immediately after starting an engine such that the air-fuel ratio converge rapidly toward a stoichiometric value and then afterwards start an air-fuel ratio feedback control. Upon det... | 02/20/2007 |
| 7175695 | Apparatus and method for enhancing filtration Disclosed is a filtration enhancement apparatus and an associated method. The apparatus includes a number of electromagnetic grids that are placed in series. The first grid conditions ambient particles to generate particles with both a positive and a negative charge... | 02/13/2007 |
| 7174707 | Regeneration of a filter by the use of a tone generator Method and arrangement for a combustion engine having an exhaust pipe, and a particle filter located in the exhaust pipe including a membrane which is permeable to gas components generated by a combustion process in the combustion engine but impermeable to soot and ... | 02/13/2007 |
| 7174705 | Exhaust-gas aftertreatment device with nitrogen oxide storage catalytic converter, and operating method therefor An internal combustion engine includes an exhaust-gas aftertreatment device, and an operating method is for operating the internal combustion engine. The internal combustion engine is operable with a lean mixture and a rich mixture, the internal combustion engine ha... | 02/13/2007 |
| 7174708 | Method for managing particulate filter backwashing means A method is provided for backwashing, by heating, a particulate filter to be purified of exhaust gases (G) of an internal combustion engine (M), in particular an internal combustion engine equipping a motor vehicle (V). The method includes controlling the start-up o... | 02/13/2007 |
| 7177752 | Method of regulating an internal combustion engine A method of regulating an internal combustion engine, in particular involving a lean-burn mode of operation, for achieving predeterminable nitrogen oxide emission values from the internal combustion engine, wherein the actual value of the λ-value or the calorific v... | 02/13/2007 |
| 7171804 | Exhaust system for multi-cylinder engine, and straddle-type vehicle provided with same An exhaust system for a multi-cylinder engine can include a plurality of exhaust pipes with first upstream ends connected to exhaust openings of a multi-cylinder engine, and a collecting pipe connected to the second downstream ends of the exhaust pipes for collectin... | 02/06/2007 |
