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WO/2005/078247A1 |
A collector is provided in each of a pair of exhaust gas passages parallelly extending from an internal combustion engine. Each collector collects black smoke particles (unclean substances) contained in an exhaust gas. One of a pair of p...
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WO/2005/078254A1 |
When a nitrogen oxide storage catalyst is being regenerated, the regeneration may be terminated for example as a result of a premature load change in the engine, which can lead to incomplete emptying of the storage catalyst. The residual...
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WO/2005/078253A1 |
The invention relates to a device and a method for determining the load state of a particle filter (1), embodied as a moulded body, for the purification of internal combustion engine exhaust gases, with a measuring device, comprising a p...
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WO/2005/066472A1 |
To provide an apparatus for evaluating the deterioration condition of a catalyst of an internal combustion engine that can improve the accuracy of an evaluation of the deterioration condition of a catalyst and can suppress a worsening of...
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WO/2005/064143A1 |
The invention relates to a method for real-time determination of the mass of particles in a particle filter (3) fitted to the exhaust line (2) of an internal combustion engine (1). The following data - temperature T(t) of the exhaust gas...
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WO/2005/061866A1 |
The invention relates to a method for operating a dosing valve (31) and to a device for carrying out said method, involving diagnosis of the dosing valve (31) in order to establish a through-flow rate of a reagent which is to be introduc...
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WO/2005/056987A2 |
The invention relates to a honeycomb body (1), which can be traversed by a fluid, in particular the exhaust gas of an internal combustion engine, at least partially in a traversing direction (15). Said body comprises a plurality of at le...
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WO/2005/052332A1 |
The inventive system for estimating quantities of pollution compounds emitted in the exhaust gas of a diesel engine for a motor vehicle comprises means for regenerating a solid particle filter and an electronic control unit which manages...
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WO/2005/049989A1 |
Control and regulation system of a combustion unit (10) of the type comprising a combustion chamber (11) and a catalyst (40), the control and regulation system comprising: - an acquisition device of signals proportional to functioning pa...
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WO/2005/049986A1 |
The invention relates to a support system for the maintenance of a particle filter fitted in an exhaust system on a motor vehicle diesel engine, characterised in comprising means (1), for calculation of the volume of ash from engine lubr...
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WO/2005/049995A1 |
The invention relates to a system, in which anti-pollution means (1) are connected to means forming an oxidation catalyst (2) and the engine (4) is connected to means (7), for common-rail fuel supply, permitting the application of a rege...
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WO/2005/045208A1 |
Disclosed is an internal combustion engine (12) in which harmful substances contained in the exhaust gas are reduced using a purifying device (22, 24). Said purifying device (22, 24) is at least temporarily regenerated by means of an oxi...
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WO2005024196B1 |
Disclosed is an exhaust gas aftertreatment device for diesel engines of vehicles, preferably passenger cars. Said exhaust gas aftertreatment device comprises a pump (6) for the exhaust gas aftertreatment medium, sensors (18, 22), an inje...
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WO/2005/033482A1 |
An exhaust gas cleaner of an engine in which cleaning efficiency of Nox is enhanced by preventing clogging of an injection nozzle for supplying a reducing agent to the upstream side of exhaust gas of a reducing catalyst. Using a detectio...
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WO/2005/033483A1 |
[PROBLEMS] To control NOx emission into the atmospheric air when abnormality occurs in an engine or SCR unit. [MEANS FOR SOLVING PROBLEMS] An engine C/U (51) detects abnormality occurred in an engine to output the abnormality-indicating ...
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WO/2005/028827A1 |
An exhaust gas clarification apparatus for an engine for reducing NOx in an exhaust gas by using a liquid reducing agent to clarify the exhaust gas, which is equipped with a temperature retaining device for retaining the temperature of a...
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WO/2005/028826A1 |
An exhaust gas purification device of an engine, wherein an NOx reduction catalyst and a slip type ammonia oxidation catalyst are disposed in an exhaust gas system in this order and an electric fan is installed in a pipe allowing the upp...
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WO/2005/026709A1 |
A urea concentration identification device comprising a concentration identification sensor unit (2) and a support unit (4) attached at the bottom end thereof with this sensor unit and provided at the top end thereof with a mounting unit...
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WO/2005/026507A1 |
The invention relates to an exhaust gas purification device for internal combustion engines and a method for operating the same. Known purification devices of said type comprise a soot particle filter (110) for filtering soot particles f...
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WO/2005/024198A1 |
The invention relates to a method for determining an exhaust gas temperature downstream of a turbocompessor turbine for a turbocharged engine consists in determining a temperature upstream of the turbocompessor turbine, calculating a cor...
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WO/2005/024210A1 |
The invention relates to a monitoring device for the engine system of a motor vehicle, in particular for monitoring an exhaust gas purification system of an internal combustion engine. Said device comprises an integrated position detecti...
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WO/2005/020306A1 |
A method for forming an impurity-introduced layer is disclosed which at least comprises a step for forming a resist pattern on one major surface of a solid base such as a silicon substrate (S27), a step for introducing impurities into th...
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WO/2005/017789A1 |
The invention relates to a method for obtaining credits for greenhouse gas produced by the circulation of a vehicle with a heat engine. According to said method, in a first step, a means for contributing to a variation in the production ...
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WO/2004/109096A1 |
Among other aspects shown and described, a fuel supply apparatus (10) that provides multiple fuel spray targeting angles as a function of fuel pressure towards a combustion chamber of an engine (12) to reduce hydrocarbon emission during ...
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WO/2004/109072A1 |
The invention relates to a method and a device for monitoring the functioning of an SCR catalyst (4) in the exhaust line of a combustion engine, whereby a temperature value representing the temperature of exhaust gases flowing out of the...
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WO/2004/109061A1 |
The invention relates to a method of determining activity and aging behavior of a catalyst. For this purpose, two independent substreams of combustion offgases are produced and mixed before coming into contact with the catalyst. The firs...
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WO/2004/106703A1 |
An exhaust gas cleaning system causing less torque variation and capable of preventing white smoke from being produced in a regenerative control operation for regenerating a continuous regenerative DPF (3). When the continuous regenerati...
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WO/2004/106706A1 |
A method for accelerated aging of an automotive catalytic converter under conditions incorporating cold start simulation and using a non-engine based exhaust component rapid aging system (FOCAS (TM)) that permits the evaluation of long t...
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WO/2004/103528A1 |
The invention relates to a method and an apparatus of operating a drive system comprising an engine and an exhaust gas purification unit containing a catalyst, where the engine emits an exhaust gas having an exhaust gas temperature and t...
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WO/2004/101964A1 |
This invention relates to a method of operating a catalyst for treating the exhaust gas of an internal combustion engine, the catalyst comprising, in addition to catalytically active noble metals, also storage components for storing hydr...
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WO/2004/101979A1 |
A catalyst degradation suppression device for internal combustion engines is designed to inhibit fuel cut in an internal combustion engine when a catalyst device disposed in an engine exhaust system is at a predetermined temperature or t...
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WO/2004/097400A1 |
A method of analysing a gas comprising solid particulates, hydrocarbons and acidic species comprises contacting a sample of the gas with a basic material (52) for absorbing the acidic species, analysing the inlet gas for particulates and...
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WO/2004/097193A2 |
The invention relates to a method for operating an internal combustion engine (10), particularly of a motor vehicle. According to the invention, a lean air/fuel mixture is combusted inside a combustion chamber. Nitrogen oxide contained i...
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WO/2004/097392A1 |
The invention relates to a sensor used to detect particles in a gas flow, especially soot particles in a waste gas flow. Said sensor comprises at least two measuring electrodes (12, 13) which are arranged on a substrate (11) made of an i...
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WO/2004/092555A1 |
The invention relates to a method for estimation by means of a physical model, of the thermal state of a catalytic nitrogen oxide trap, installed in the exhaust system of an internal combustion engine, comprising a modelling of the catal...
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WO/2004/065769A2 |
An apparatus and method for improving the transient response of a spark-ignited fuel-injected internal combustion engine is disclosed. This is accomplished by employing one or more novel capillary fuel injectors (700). These devices are ...
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WO/2004/055337A1 |
The invention relates to a method of detecting the clogging level of a particle filter in an exhaust line of a diesel engine. The invention is characterised in that it consists in: measuring a maximum temperature reached and/or noting a ...
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WO/2004/053307A1 |
The invention relates to a method for the diagnosis of the catalytic units of a catalytic system in an exhaust gas system with N exhaust gas lines from an internal combustion engine, in which the following methods steps are carried out: ...
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WO/2004/046528A1 |
Disclosed is a method for testing a catalytic converter (8) of an internal combustion engine (1). Said method comprises the following steps: fuel is injected for test purposes during the expansion cycle and/or the discharge cycle of the ...
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WO/2004/040103A1 |
The invention relates to a method for recognition of the loading of a particle filter (10), in particular a particle filter (10) for filtering the exhaust from an internal combustion engine, characterised in that a parameter for characte...
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WO/2004/040104A1 |
The invention relates to a method for testing at least three sensors (191, 192, 193, 194, 195), which detect a measurable variable for an internal combustion engine (100). A measurement for the sensor signal (S1, S2, S3, S4, S5) of the r...
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WO/2004/036006A1 |
The invention relates to a method and a system for verifying the functionality of a particle detector (3) comprising a particle detector (3) that is mounted downstream of a particle filter (7) in the direction of flow (2). Particles, esp...
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WO/2004/031547A1 |
Tax has become increasingly imposed one or more of harmful substances such as carbon dioxide, nitrogen oxides, sulfur oxides, and hydrogen carbides exhausted from a vehicle according to their amounts so as to heighten driver’s consciou...
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WO/2004/031546A2 |
A method and apparatus for regenerating a lean NOx adsorber is disclosed where the NOx adsorber isused to treat exhaust gases created during the combustion of gaseous fuels in general. A bypass line isused to maintain a target regenerati...
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WO/2004/022934A1 |
The invention relates to a method for determining the degree of ageing of an NOx-storage catalyst of an internal combustion engine, especially in a motor vehicle. According to the inventive method, a switching operating point (U) is dete...
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WO/2004/022952A1 |
The invention relates to a method for operating a nitrogen oxide storage-type catalytic converter of an internal combustion engine, particularly of a motor vehicle, according to which nitrogen oxides produced by the internal combustion e...
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WO/2004/018858A2 |
The invention relates to an internal combustion engine (1) comprising an exhaust system which is provided with a pre-catalyst device (3) and a main catalyst device (4) arranged downstream of said pre-catalyst device (3), and a fuel regul...
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WO/2004/016915A1 |
An exhaust gas cleaner (30) in which a filter (32) for collecting particulates is regenerated after determining the differential pressure (&Dgr P) between before and after the filter (32). It is determined that the time of when the tempe...
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WO/2004/016916A1 |
A filter control device comprising a first estimation computing unit (100) for computing a first estimation data (XA) by means of a pressure difference across a filter in order to estimation-calculating a particulate deposition amount on...
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WO2003074847B1 |
An exhaust emission control system having an internal combustion engine, a filter, and an exhaust pipe, a method of manufacturing a filter suitable for the system, and a method of calculating the pressure loss of the filter, the system c...
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