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| Number | Title | Issue Date |
| 7273592 | Combination exhaust gas post treatment/muffler device in the exhaust gas section of an internal combustion engine A combination exhaust gas post treatment/muffler device in the exhaust gas section of an internal combustion engine is provided. The exhaust gas post treatment within the muffler, which forms sulfuric acid, takes place in at least one exhaust gas post treatment/muff... | 09/25/2007 |
| 7269941 | Fuel injection control apparatus and fuel injection control method for internal combustion engine An internal combustion engine includes an in-cylinder injection valve and an intake passage injection valve. A control apparatus of the engine determines whether the temperature of a component located in the exhaust passage is higher than or equal to a predetermined... | 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 |
| 7266943 | Exhaust after-treatment system for the reduction of pollutants from diesel engine exhaust and related method Exhaust after-treatment system for the reduction of particulate, NOx, HC, CO, VOCs, nano-particle count and sulfur dioxide from diesel exhaust. System employs diesel oxidation catalyst, exhaust cooling system, particulate converter, soot collection chambe... | 09/11/2007 |
| 7268442 | Method for Estimating Engine Power in a Hybrid Electric Vehicle Powertrain A method is disclosed for estimating engine power output for an engine in a hybrid electric vehicle powertrain that includes an electric motor and an electric generator. Selected powertrain variables, including electric motor torque and electric generator torque, ar... | 09/11/2007 |
| 7269372 | Oxidation catalyst unit, wet-type electrophotographic image forming apparatus having the same and method for judging catalyst life span An oxidation catalyst unit for judging a life span of an oxidation catalyst and a wet-type electrophotographic image forming apparatus having the oxidation catalyst unit, and a method of judging the life span of the oxidation catalyst. The oxidation catalyst unit in... | 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 |
| 7266440 | Air/fuel ratio control system for automotive vehicle using feedback control An simplified structure of an air-fuel ratio control system for an internal combustion engine includes an upstream and a downstream catalytic device installed in an exhaust pipe of the engine and a first, a second, and a third air-fuel ratio sensor installed in upst... | 09/04/2007 |
| 7263823 | System for measuring NOx content of exhaust gas A system for measuring NOx content of an exhaust gas produced includes at least one controllable valve operable to direct exhaust gas to a NOx sensor only when measurement of the NOx content is desired and to otherwise expose the NOx sensor to ambient air. A control... | 09/04/2007 |
| 7263826 | Muffler device with catalysts for improving purifying exhaust gas of nitrogen oxides within a motorcycle exhaust pipe A muffler device with catalysts for improving purifying exhaust gas of nitrogen oxides within a motorcycle exhaust pipe comprises a muffler divided into three chambers, a first chamber, a second chamber, and a third chamber; a front exhaust pipe; a front reduction c... | 09/04/2007 |
| 7263985 | Exhaust emission control device in internal combustion engine and heat engine Catalyst is supported at least on a part of the combustion chamber wall of an internal combustion engine. A control is provided for controlling the fuel injection equipment of the engine so that pilot fuel injection is performed prior to main fuel injection under pr... | 09/04/2007 |
| 7263822 | Catalytic conversion of fuel and converter therefor For a process for the catalytic conversion of furl for removing oxides of nitrogen from exhaust gases of internal combustion engines, in which fuel and a part-stream of the exhaust gas or of the intake air are converted in a converter, the fuel and the part-stream o... | 09/04/2007 |
| 7260930 | Radio frequency-based particulate loading monitoring system A particulate trap regeneration system is provided, which may include a particulate trap having a filter medium configured to remove one or more types of particulate matter from an exhaust flow of an engine and a regeneration device configured to reduce an amount of... | 08/28/2007 |
| 7260928 | Diagnostic device for secondary air supply system A secondary air control system supplies secondary air to the upstream of a catalyst purifying exhaust gas in an exhaust passage of an engine. A diagnostic device includes a secondary air detecting means that detects a secondary air information related to pressure of... | 08/28/2007 |
| 7260927 | Intelligent, full-featured diesel engine exhaust treatment system Disclosed is an intelligent, full-featured diesel engine exhaust treatment system, including: an exhaust flowing zone, a microcomputer processor, and an exhaust detecting device, the exhaust flowing zone defining a first exhaust treatment path and a second exhaust t... | 08/28/2007 |
| 7261865 | Heatable honeycomb body with two different coatings An electrically heatable honeycomb body, in particular for cleaning exhaust gas originating in an internal combustion engine. The honeycomb body has at least two zones arranged in series in the flow direction with different coatings. The honeycomb body preferably ha... | 08/28/2007 |
| 7257941 | Model based diagnostics of an aftertreatment fuel dosing system The invention relates to systems and methods of detecting faults in an exhaust line fuel injection system. An expected relationship between a temperature within the exhaust system and a commanded fuel injection rate or amount is compared to an actual relationship in... | 08/21/2007 |
| 7257942 | Apparatus for emissions control, systems, and methods Methods, constructions, and systems for treating engine emissions. An engine having a crankcase includes air intake, blow-by vent, and exhaust port; the crankcase emits blow-by gases through the blow-by vent and produces an exhaust stream through the exhaust port. T... | 08/21/2007 |
| 7257944 | System and method for controlling catalyst storage capacity The invention relates to a new method and system for optimizing the efficiency of an automotive catalytic converter by adjusting the engine air/fuel ratio based on estimates of the actual amount of oxidants stored in the catalyst. The oxidant storage capacity of the... | 08/21/2007 |
| 7258723 | Particulate filter assembly and associated method A particulate filter assembly includes an electrode assembly, a particulate filter positioned in an electrode gap defined between two electrodes of the electrode assembly, a power supply electrically coupled to the electrode assembly, and a controller for controllin... | 08/21/2007 |
| 7257945 | Stripping ethanol from ethanol-blended fuels for use in NOSCR A method to use diesel fuel alchohol micro emulsions (E-diesel) to provide a source of reductant to lower NOx emissions using selective catalytic reduction. Ethanol is stripped from the micro emulsion and entered into the exhaust gasses upstream of the re... | 08/21/2007 |
| 7260462 | Method for controlling an electromagnetic valve, in particular for an automatic transmission of a motor vehicle A method for controlling an electromagnetic valve, in particular for an automatic transmission of a motor vehicle. With known methods, electromagnetic valves are triggered with a pulse-width-modulated signal having a constant clock frequency. The object is to provid... | 08/21/2007 |
| 7254939 | Exhaust gas purification unit with reducing agent supply An exhaust gas purification unit for purifying the exhaust gas from an internal combustion engine which is preferably operated in lean burn mode, in particular a diesel engine used in motor vehicles, has a particulate filter and a SCR catalytic converter arranged in... | 08/14/2007 |
| 7255836 | Analytical sensitivity enhancement by catalytic transformation A device and method for quantifying an impurity in an input gas stream. The device and method employ a catalyst to convert the impurity to a detectable species in an output gas stream, and the concentration of the detectable species is then measured by means of a de... | 08/14/2007 |
| 7254938 | Power supply and transformer A circuit for providing a potential difference across a gap between two electrodes of a fuel reformer, oxides of nitrogen trap or soot filter regenerator for an internal combustion engine or the like. The circuit includes a power source, a transformer including a pr... | 08/14/2007 |
| 7254941 | Exhaust gas cleaning device for internal combustion engine In an engine, when it is determined that catalyst, which is held on a filter substrate of a particulate filter, is not in an active state, an ECU executes a fuel injection for mainly obtaining an engine power near a top dead center of a crank. Then, the ECU executes... | 08/14/2007 |
| 7251929 | Thermal management of hybrid LNT/SCR aftertreatment during desulfation In an exhaust aftertreatment system comprising a NOx adsorber-catalyst followed by an SCR catalyst, means are provided for preventing the SCR catalyst from becoming heated to near the same peak temperatures as the NOx adsorber-catalyst during desulfation. In one emb... | 08/07/2007 |
| 7252809 | Radial-flow and segmented honeycomb body A honeycomb body for the chemical conversion of at least one component of a gas stream, in particular an exhaust-gas stream from an internal combustion engine, includes an inflow passage having an axis, and sheet-metal layers. At least some of the sheet-metal layers... | 08/07/2007 |
| 7251930 | System for triggering the purging of NOx trap depollution means A system for triggering purging of depollution means including a NOx trap and integrated in a vehicle diesel exhaust line comprises respective elements for establishing: a first coefficient representing the extent to which the trap is full of NOx; a second coefficie... | 08/07/2007 |
| 7254474 | Diagnosis apparatus for internal combustion engine In a diagnosis apparatus for an internal combustion engine which determines the abnormality of a linear A/F sensor which is disposed on the upstream side of a catalyst of the engine and detects the A/F of exhaust gas, the apparatus includes a response/gain deteriora... | 08/07/2007 |
| 7251931 | Accumulating amount estimating device detecting differential pressure of filter A filter is arranged in an exhaust passage of an engine. The filter supports a catalyst. An accumulating amount estimating means detects differential pressure of the filter to estimate an amount of soot accumulating on the filter. An oxidizing condition detecting me... | 08/07/2007 |
| 7252057 | Apparatus and method for controlling internal combustion engine An electronic control unit increases the maximum lift amount or the working angle of an intake valve if it is determined that the operation for stopping an engine is performed. The electronic control unit stops fuel injection or ignition before increasing the maximu... | 08/07/2007 |
| 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 |
| 7249455 | Method and apparatus for regenerating a nitrogen oxides absorber A diesel engine exhaust system includes a NOx absorber and a diesel fuel fired burner operated at an enriched fuel-to-air ratio to generate a sufficient quantity of CO and H2 for regenerating the NOx absorber. A method of operating a diesel exhaust system... | 07/31/2007 |
| 7249453 | Control device for an internal combustion engine Prior to failure determination of a three-way catalyst, which is carried out on the basis of a reverse frequency ratio of upstream and downstream O2 sensors, deterioration determination is performed at the point when the reverse frequency ratio of the O | 07/31/2007 |
| 7249454 | Fuel injection control apparatus and fuel injection control method for internal combustion engine An internal combustion engine includes an in-cylinder injection valve and an intake passage injection valve. A control apparatus of the engine determines whether a catalyst located in an exhaust passage is in an overtemperature condition. When the catalyst is determ... | 07/31/2007 |
| 7249589 | Hybrid vehicle and method for controlling hybrid vehicle In hybrid vehicle, when the shift position SP is set to the S position at which a driver is allowed to select any one of the shift positions SP1 to SP6, and it is determined that warm-up of a purifying device has not been completed, the target air-fuel... | 07/31/2007 |
| 7248960 | Air-fuel ratio sensor monitor, air-fuel ratio detector, and air-fuel ratio control An air-fuel ratio sensor monitor is provided which is designed to monitor reactive characteristics or response rates of an air-fuel ratio sensor when an air-fuel ratio of a mixture to an internal combustion engine is changing to a rich side and to a lean side. The m... | 07/24/2007 |
| 7247190 | Engine exhaust gas cleaning apparatus An engine exhaust gas cleaning apparatus is provided to minimize torque shock as during regeneration of an exhaust gas cleaning device. The engine exhaust gas cleaning apparatus comprises a fuel delivery device that delivers fuel to an engine at a lean excess air ra... | 07/24/2007 |
| 7246486 | Combination of selected opioids with other active substances for use in the therapy of urinary incontinence An internal combustion engine control device for, in a lean-burn internal combustion engine provided with a three-way catalyst and a lean NOx catalyst in an exhaust system, optimizing an air/fuel ratio in a rich mode from the viewpoints of both better fuel economy a... | 07/24/2007 |
