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JP2003214139A |
To provide a soot collection filter and a soot reduction device using the same.This soot collection filter includes a collection means having a many filter particles stacked and having a predetermined volume, and collects the soot includ...
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JP2003206785A |
To solve the problem that HC in startup cannot be efficiently controlled without impairing either the NOx control efficiency or the operational stability of a lean-burn engine.The lean-burn engine has both an HC adsorbing catalyst and a ...
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JP2003193827A |
To provide monitoring method and monitoring device capable of exactly determining a pressure signal.Whether or not the pressure signal takes at least a prescribed value is inspected in a prescribed driving state.
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JP2003519325A |
An internal combustion engine (1), especially for a motor vehicle, is described, which has a catalytic converter (12) which can be loaded with and unloaded of nitrogen oxides. An NOx sensor (14) is provided with which NOx emissions can b...
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JP2003519318A |
An internal combustion engine for a motor vehicle. In the internal combustion engine, fuel is injected directly into a combustion chamber and is burned during an intake phase in a first mode of operation and during a compression phase in...
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JP2003166419A |
To adjust the catalyst temperature without generating hunting.A NOX occlusion catalyst 7 is disposed in an exhaust passage 3 of an internal combustion engine 1. A loop-shaped exhaust pipe 9b is provided on an inlet part of the catalyst 7...
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JP2003138923A |
To enable a further accurate control of an exhaust gas aftertreatment system.A correction amount, in which a dependence on further another characteristic amount is considered, of a first measurement amount is found, and the found correct...
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JP3406042B2 |
PURPOSE: To decide the adsorbing capacity of an unburnt component adsorption means easily and securely so as to prevent the exhausting of the unburnt component to the atmosphere, in an exhaust emission control device for internal combust...
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JP3398558B2 |
To eliminate the necessity of an external heat source by filling the inside of a spiral reaction pipe disposed in an exhaust pipe with particle crack ing catalysts and utilizing the heat of exhaust gas for cracking reaction. A spiral cra...
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JP3399466B2 |
An NOx sensor 27 detects the concentration of NOx released from an occlusion type NOx catalyst 25 into the atmosphere. Based on the output of the NOx sensor 27, a total NOx discharge A is computed. When the total NOx discharge A reaches ...
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JP2003514164A |
A process is proposed for exhaust gas aftertreatment by afterinjection of fuel in a diesel internal combustion engine with a precatalyst and a particulate filter, in which process the afterinjection NE is performed as a function of the t...
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JP2003514167A |
An internal combustion engine (1), especially of a motor vehicle, is described which is provided with a combustion chamber (4) into which fuel can be injected in a first operating mode during a compression phase and in a second operating...
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JP3396378B2 |
To provide an exhaust air purifying device which can purify HC which is exhausted when an internal combustion engine is started with high efficiency and has a simple configuration. An HC absorption material 5 which absorbs HC in exhaust ...
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JP2003098135A |
To provide a compact granular substance sensor capable of measuring PM in exhaust gas in a real time with high accuracy and a method for manufacturing a granular substance using the same.A large number of holes 3 are formed to a porous s...
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JP2003074332A |
To provide an exhaust emission control device of an internal combustion engine capable of minimizing the amount of consumption of a reducer and improving the purification efficiency of NOx.The exhaust emission control device 1 comprises ...
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JP2003065027A |
To make it possible to reduce delay in response of a value detected by an exhaust air temperature sensor to changes in actual catalyst temperature, to reduce difference between the actual catalyst temperature and the value detected by th...
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JP2003065042A |
To provide a technology capable of increasing opportunities to carry out the control for regeneration of an NOx catalyst poisoned by sulfur and also suppressing the deterioration of the catalyst caused by sulfur poisoning.This exhaust em...
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JP2003056330A |
To burn floating fine particles such as soot collected by a filter while restraining deterioration of fuel consumption efficiency. A collecting filter for collecting the floating fine particles containing carbon in an exhaust gas is prov...
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JP3375645B2 |
A NOx reducing catalyst can most efficiently remove both NOx and HC when concentrations of NOx and HC in exhaust have a specified relationship between them. For this purpose, an apparatus is adapted to control the concentrations of NOx a...
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JP3370336B2 |
PCT No. PCT/EP95/02412 Sec. 371 Date Dec. 18, 1996 Sec. 102(e) Date Dec. 18, 1996 PCT Filed Jun. 21, 1995 PCT Pub. No. WO96/00343 PCT Pub. Date Jan. 4, 1996This is a method of controlling an electric heater of a catalytic converter. An e...
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JP3369722B2 |
PURPOSE:To accurately detect a point of time when a catalyst is activated by intermittently supplying a secondary air to an exhaust system under a predetermined condition, and comparing the output of an air-fuel ratio sensor on upper str...
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JP3361805B2 |
PCT No. PCT/DE91/00447 Sec. 371 Date Dec. 28, 1992 Sec. 102(e) Date Dec. 28, 1992 PCT Filed May 8, 1993 PCT Pub. No. WO92/00446 PCT Pub. Date Jan. 9, 1992.A method is disclosed for the protection of catalytic converters for exhaust gas p...
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JP2003500596A |
Means for influencing the exhaust gas of said internal combustion engine are provided. When certain conditions are present, a special operating mode in which the exhaust gas preferably has a higher energy content, is initiated. In said s...
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JP2002371827A |
To provide an exhaust emission control device 2 capable of determining apparent passage area of a DPF(diesel particulate filter) 21 with sufficient accuracy, exactly performing a refreshing process of the DPF21 and exactly detecting dama...
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JP2002544423A |
In a method and device for controlling an internal combustion engine having an exhaust treatment system, a quantity characterizing the status of the exhaust treatment system is determined on the basis of at least one operating parameter ...
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JP3356902B2 |
A control system for an internal combustion engine for an automotive vehicle determines whether a catalytic converter arranged in the exhaust system of the engine is in a predetermined high temperature condition. When it is determined th...
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JP3355943B2 |
An exhaust gas purifying method, an exhaust gas filter and an exhaust gas filter purifying apparatus reduce the quantity of collected particulates on the outer periphery of the exhaust gas filter and prevent insufficient combustion of pa...
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JP2002353197A |
To provide a technique by which the running cost of a semiconductor device manufacturing device provided with an industrial pretreatment facility can be reduced. The industrial pretreatment facility 3 which performs exhaust gas treatment...
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JP2002349325A |
To maintain a high exhaust emissions control efficiency by controlling the amount of oxygen adsorbed by an exhaust emissions control catalyst even when the catalyst is deteriorated to give changing properties. The amount of oxygen that i...
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JP3344040B2 |
PURPOSE: To set amounts of NOx and unburnt HC and Co which are discharged to the atmosphere to be at zero(0) level. CONSTITUTION: Catalytic converter rhodium 17, catalytic oxidation 20, and NOx absorbers 23, 24 for absorbing NOx when the...
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JP3342497B2 |
A method and a device for controlling a combustion system, in particular an internal combustion engine, and for catalytic cleaning of exhaust gases, as well as a combustion system, catalytically remove a noxious substance from the exhaus...
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JP3344334B2 |
To prevent the generation of smoke and the occurrence of a misfire at the time of transient driving. This internal combustion engine selectively conducts first combustion wherein an EGR gas amount within a combustion chamber 5 is more th...
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JP3342014B2 |
A method for the controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gas leaving an internal combustion engine through an exhaust line having a catalytic converter built in for reducing nitrogen oxide, in...
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JP3340330B2 |
In a heated type oxygen sensor having a sensing element responding to changes in the exhaust oxygen content and a heater inside, a diagnostic system for diagnosing deterioration of the heated type oxygen sensor comprises an electronic co...
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JP2002318219A |
To speedily start the passage of electricity to a heater for heating an element, in an oxygen sensor mounted to the exhaust pipe of an engine using an alcohol-blended fuel when moisture adhering the element has evaporated.The moisture co...
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JP3338728B2 |
PURPOSE: To control secondary air supply quantity and to obtain excellent exhaust gas characteristic and noise characteristic by performing a secondary air supply to exhaust gas by an electrically driving secondary air pump and driving t...
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JP2002535541A |
A method is provided for the catalytic conversion of nitrogen oxides contained in the exhaust gas of an internal combustion engine. A reducing agent is added in a controlled manner upstream of a denitrification catalyst, as seen in exhau...
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JP2002303182A |
To interrupt the regenerative processing of a particulate filter before the particulate filter is destroyed by an excessive combustion rate by controlling variables interactingly dependent on each other in the from of being associated wi...
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JP3328713B2 |
PCT No. PCT/SE92/00101 Sec. 371 Date Aug. 19, 1993 Sec. 102(e) Date Aug. 19, 1993 PCT Filed Feb. 20, 1992 PCT Pub. No. WO92/14912 PCT Pub. Date Sep. 3, 1992A method and a device are disclosed for catalyst emission control including an el...
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JP2002266630A |
To provide an exhaust emission control system capable of efficiently and equally using exhaust emission control units arranged in each exhaust passage and exercising high exhaust emission control efficiency in an engine with an exhaust p...
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JP2002266627A |
To use a reducing agent in a state without mutual fixing during preservation or conveyance and add the reducing agent in an area not deteriorating emission of an internal combustion engine without complicating a structure of a reducing a...
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JP2002256846A |
To regenerate a filter for collecting a particle contained in the exhausted gas of an engine at appropriate timing.In order to estimate the particulate deposit amounts of a first and second filters 61, 62, a first estimating part 100 out...
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JP2002256849A |
To provide an exhaust gas treatment device for a internal combustion engine which is excellent in mixing ability of the exhaust gas and water, less in exhaust resistance and excellent in sound deadening effect.In the exhaust gas device f...
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JP2002529649A |
An apparatus and method to treat fluid streams, and in particular emissions from lean-burn engines such as diesel engines, are disclosed, which use multiple catalysts chosen to remove hydrocarbons, carbon monoxide, particulate matter, an...
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JP3322098B2 |
To heat a catalyst just as it should be while taking aged deterioration of the electric heater of the catalyst and variations in products into account. This exhaust emission control device comprises a catalyst 4 placed inside the exhaust...
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JP2002250217A |
To provide an apparatus and a method for filtering diesel smoke for a stationary diesel engine, which can filter particulates in exhaust gas at a time of start and low load of the engine and surely filter particulates generated at the ti...
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JP2002242661A |
To provide an economical, practical temperature rising system having one DPF system as a means for raising the temperature of exhaust gas to the specified temperature by burning fuel with remaining oxygen in the exhaust gas to keep the e...
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JP2002227635A |
To provide an exhaust gas purifying device of internal combustion engine that can make certain of removing extraneous absorbent and have increasing durability without particular control to switch over the flow channel of exhaust gas.This...
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JP2002221026A |
To provide an exhaust emission control device for an internal combustion engine capable of controlling electric power consumption from electric discharge and efficiently purifying exhaust gas by setting not to make electric current from ...
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JP2002221025A |
To provide an exhaust emission control device for an internal combustion engine capable of stabilizing electric discharge and improving efficiency of purifying exhaust gas with low electric power and from low temperature condition.A plas...
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