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WO/2006/005875 |
The inventive system for evaluating the charged state of depollution means integrated into the exhaust line of a motor vehicle engine is characterised in that it comprises means (7) for determining a pressure in the depollution means, me...
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WO/2006/005867 |
The invention concerns a system for assisting regeneration of pollution management means (1) associated with oxidation catalyst forming means (2) and integrated in an exhaust line (3) of a motor vehicle diesel engine (4), wherein the eng...
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WO/2006/003339 |
A particle filter regeneration control method involving filter inlet temperature control, characterised in that said control includes a correction dependent on a measurement of the mass flow rate of the exhaust gases, as determined on th...
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WO/2006/002037 |
Pollution control apparatus. An exhaust aftertreatment unit (12) is fitted to the exhaust (10) of an internal combustion engine and a fuel reformer (16) provides hydrogen rich gas in an optimal way to the aftertreatment unit to regenerat...
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WO/2006/000893 |
A bypass passage (7) is provided, which connects a portion upstream of a turbine (5b) of a supercharger (5) in an exhaust passage (3) to a portion close to a front end surface (4a) of exhaust gas purification means (4) in the exhaust pas...
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WO/2006/000892 |
When a fuel as a reducing agent is supplied to a NOx catalyst on which a NOx or a SOx is reduced, a flow rate of exhaust gas that flows through an exhaust passage is changed, and the fuel is supplied to the exhaust gas flowing through th...
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WO/2005/124114 |
An exhaust system for a vehicular lean-burn internal combustion engine comprises a NOX-absorbent, a reductant injector (78) disposed upstream of the NOX-absorbent and means (50), when in use, for controlling reductant addition, wherein t...
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WO/2005/124117 |
The aim of the invention is to estimate a temperature jump (&Dgr T) of a catalytic converter of an internal combustion engine in the event of a change in the composition of the exhaust gas. To this end, a quantity of a reactand (SI) stor...
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WO/2005/121516 |
There are provided a NOx storage reduction catalyst which is provided in an exhaust passage for an internal combustion engine, and concentration detection means whose detection state can be changed between a first detection state in whic...
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WO/2005/116413 |
The invention provides a method for determining the loading of a particulate filter, in particular of a particulate filter arranged in the exhaust-gas purification system of a diesel engine. First of all, a characteristic diagram for the...
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WO/2005/116620 |
A liquid type identifying method and device for correctly and quickly determining whether or not a liquid is a predetermined one. An identifying sensor unit (2) so disposed as to face to a flow passage (24) of a liquid to be measured has...
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WO/2005/104723 |
The present invention provides methods and apparatus for injecting fluid, such as an aqueous urea solution, into an exhaust stream in order to reduce oxides of nitrogen (NOx) emissions from diesel engine exhaust The present invention use...
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WO/2005/104723 |
The present invention provides methods and apparatus for injecting fluid, such as an aqueous urea solution, into an exhaust stream in order to reduce oxides of nitrogen (NOx) emissions from diesel engine exhaust The present invention use...
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WO/2005/098209 |
The invention relates to an installation for cleaning exhaust gases of a Diesel engine (1) of an electrogen group by means of a particle filter (2), said installation being mounted in the exhaust duct of the engine and characterised by a...
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WO/2005/093233 |
A device, for determination of the state of a soot particle filter (13) on a motor vehicle, comprising an electrical measuring arrangement as soot sensor, for determination of soot deposition, is disclosed. The measuring arrangement comp...
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WO/2005/090759 |
An exhaust filter regeneration regime is described in which a filter (20) is regenerated by triggering an exothermic reaction in the filter (20) to burn off particulate load. In order to attain the appropriate regeneration temperatures f...
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WO/2005/090761 |
An internal combustion engine has a separate exhaust passage for each one of banks. An exhaust purifying catalyst is provided in each exhaust passage. The mass flow rates G1, G2 of exhaust gas that flow through the exhaust passages are i...
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WO/2005/088097 |
An exhaust purifying apparatus estimates an accumulation amount of particulate matter trapped about a catalyst in an exhaust system. When the estimated accumulation amount is equal to or more than a permissible value, the apparatus execu...
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WO/2005/088086 |
A regeneration controller for an exhaust purification apparatus (36, 38) of an engine (2) that appropriately burns particulate matter accumulated in the exhaust purification apparatus. The regeneration controller includes an ECU (70) tha...
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WO/2005/088089 |
An exhaust purifying apparatus for an internal combustion engine includes an exhaust purifying mechanism, a fuel adding device, an electronic control device. The exhaust purifying mechanism is located in an exhaust passage and traps part...
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WO/2005/088090 |
An exhaust purifying apparatus for an internal combustion engine includes execution means, wherein, when an accumulation amount of particulate matter about a catalyst becomes less than a first determination value after a PM elimination c...
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WO/2005/088095 |
A regeneration controller for preventing a large amount of particulate matter from being suddenly burned without increasing the frequency a heating process is performed. The regeneration controller includes an ECU(70) for heating an exha...
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WO/2005/088094 |
A regeneration controller that prevents overheating when performing burn-up heating for completely burning particulate matter by intermittent fuel addition to an exhaust system or intermittent increase of fuel addition to the exhaust sys...
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WO/2005/088088 |
In an exhaust purifying apparatus, a fuel adding valve (31) supplies unburned fuel to an exhaust passage (14) of a diesel engine (10) so that particulate matter collected in a catalytic converter (33) is burned and removed. The supply of...
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WO/2005/088096 |
A regeneration controller for an exhaust purification apparatus (36, 38) of an engine (2) that appropriately burns particulate matter accumulated in the exhaust purification apparatus. The regeneration controller includes an ECU (70) tha...
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WO/2005/088087 |
An exhaust purifying apparatus for an internal combustion engine having a DPNR converter (26), a fuel adding device (46), and an electronic control device (50) is provided. The DPNR converter (26) is located in an exhaust passage (14) of...
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WO/2005/078250 |
An NOx reducing catalyst for reducing/purifying NOx using a reducing agent is installed on an engine exhaust pipe, and solenoid on/off valves for opening/closing an exhaust flow path and oxidizing catalysts mutually different in oxidizin...
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WO/2005/078253 |
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/2005/078252 |
[PROBLEMS] To reduce a liquid amount required for regenerating a catalyst and a liquid amount required for keeping an NOx occluding reducing catalyst at at least a specified temperature. [MEANS FOR SOLVING PROBLEMS] An engine exhaust emi...
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WO/2005/078247 |
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/2005/073525 |
The invention relates to a method for controlling a piston-type internal combustion engine (10) having an intake line (20) for delivering air to combustion chambers of the engine and an exhaust system (15, 22) for removing exhaust gases ...
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WO/2005/068797 |
The invention relates to a method and device (10) for controlling the injection of reducing agent upstream from a catalyst (4) in an exhaust line (2) from a combustion engine. According to the invention, the injection of reducing agent i...
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WO/2005/061866 |
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/2005/059328 |
The invention relates to a method for operating a particle filter (4) in the exhaust gas train of an internal combustion engine (1) of a motor vehicle, involving recurring soot combustion processes for the particle filter (4). According ...
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WO/2005/059329 |
In the case where an operating state of an internal combustion engine (1) belongs to a filter forced recovery region, filter forced recovery is performed (S106) when an amount of particulate matter deposited in a filter (20) becomes equa...
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WO/2005/060078 |
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,...
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WO/2005/052332 |
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/2005/052331 |
The invention relates to a method for regenerating a particle filter (10) integrated into an exhaust line (12) of an internal combustion engine (34), wherein the exhaust gas flows into the filter via an inflow surface (16) and exit the f...
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WO/2005/049986 |
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/2005/042934 |
A catalytic partial oxidizer (30) provides syngas (hydrogen and carbon monoxide) to an apparatus intermittently using syngas such as valves (34) feeding NOx traps (35), for brief periods of time. During turndown times when syngas is not ...
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WO/2005/033482 |
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WO/2005/033480 |
An exhaust gas purification device of an engine, comprising an NOx reduction catalyst disposed in an engine exhaust pipe and reducing, for purification, NOx with ammonia generated from an urea solution, and an injection nozzle injecting/...
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WO/2005/033481 |
An exhaust gas purification device of an engine capable of increasing NOx removing rate by suppressing the deposition of the components (reducer solutes) of a reducer in an exhaust passage even if the temperature of exhaust gas from the ...
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WO/2005/026507 |
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/2005/005797 |
A system or method for controlling the delivery of fuel into the transient flow of an exhaust system (20) to control emissions. A mathematical model representative of the exhaust system (20) can be used to determine, based on operating c...
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WO/2005/003529 |
The invention relates to a method of estimating a nitrogen oxide mass stored in a catalytic nitrogen oxide trapping device (1) which comprises a catalytic phase and which is traversed by the exhaust gases (2) from the internal combustion...
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WO/2004/113691 |
An exhaust system (10) for a vehicular lean-bum internal combustion engine (12) comprises a NOx reduction catalyst (18), a source of reductant, means (20) for contacting the catalyst (18) with the reductant, means (TC1) for sensing the t...
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WO/2004/104383 |
A diesel engine exhaust gas-purifying device and control means enables a main DPF or micro DPF provided in an exhaust gas path of a diesel engine to serve in a wider operation range. A diesel engine exhaust gas-purifying device has a swi...
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WO/2004/104540 |
The regeneration responses of diesel engine exhaust filters are mapped by conducting multiple regeneration runs under controlled conditions of soot loading, exhaust temperature, exhaust flow rate, exhaust oxygen content and/or other rege...
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WO/2004/104395 |
Disclosed are a method for operating a part (14) disposed in an exhaust zone (12) of an internal combustion engine (10), and a device for carrying out said method. An exhaust gas component is introduced into said part (14) in a first pha...
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