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Patent Searching and Data


Matches 451 - 500 out of 2,895

Document Document Title
WO/2007/087920A1
Method and apparatus for operating an exhaust-gas catalytic converter (21) of an internal combustion engine having at least one cylinder (Z1-Z4) and one exhaust-gas section (4), in which the exhaust-gas catalytic converter (21) and a lam...  
WO/2007/085944A1
An exhaust gas recirculation apparatus of an internal combustion engine (1) includes a turbocharger (5) provided with a turbine (5b) in an exhaust passage (4) and a compressor (5a) in an intake passage (3) , a low pressure EGR passage (3...  
WO/2007/079832A1
The invention relates to an exhaust gas installation of a motor vehicle, comprising a particle filter (16) and an oxidation catalyst (18) mounted upstream thereof as well as an regeneration device for said particle filter (16), said rege...  
WO/2007/076038A2
A method of controlling exhaust gas recirculation (EGR) in a turbocharged compression-ignition engine system (10) including an engine (12), an induction subsystem (14) in upstream communication with the engine, an exhaust subsystem (16) ...  
WO/2007/076038A3
A method of controlling exhaust gas recirculation (EGR) in a turbocharged compression-ignition engine system (10) including an engine (12), an induction subsystem (14) in upstream communication with the engine, an exhaust subsystem (16) ...  
WO/2007/071263A1
The present invention relates to a fluid transfer system and method for transferring fluid from a reservoir (2) and to (a) delivery device typically being (a) nozzle. The present invention relates in particular to transferring urea in hi...  
WO/2007/071862A1
The method for regenerating a particulate filter (4) in the exhaust system (3) of a combustion engine (1) involves the following steps: (a) every time the combustion engine is started, a parameter representative of the condition of the c...  
WO/2007/063378A2
In an exhaust passage, a pressure detection means is provided on the upstream side of a filter, and an exhaust throttle valve is provided on the downstream side of the filter. And, when the operational state of the internal combustion en...  
WO/2007/063406A3
Desulfation methods for an exhaust treatment system (7) having a fuel reformer (12) configured upstream of a LNT (13). Reductant is injected upstream of the fuel reformer (12). The reductant reacts within the reformer (12) to generate he...  
WO/2007/063406A2
Desulfation methods for an exhaust treatment system (7) having a fuel reformer (12) configured upstream of a LNT (13). Reductant is injected upstream of the fuel reformer (12). The reductant reacts within the reformer (12) to generate he...  
WO/2007/063378A3
In an exhaust passage, a pressure detection means is provided on the upstream side of a filter, and an exhaust throttle valve is provided on the downstream side of the filter. And, when the operational state of the internal combustion en...  
WO/2007/054424A1
The invention describes a sensor element for gas sensors, in particular for determining particles in gas mixtures, said sensor element having at least one electrochemical measuring element which is exposed to the gas mixture to be determ...  
WO/2007/050384A2
A system having a particulate matter sensor (105, 106) in an exhaust stream (114) of an engine (10) upstream from a particulate filter (102) and another such sensor (107) downstream from the filter (102). There may also be an exhaust gas...  
WO/2007/048980A1
The invention relates to a method for measuring a soot deposition homogeneity in a particle filter (4) consisting in simultaneously or successively measuring respective characteristic quantities of at least two gas flows, each of which h...  
WO/2007/050384A3
A system having a particulate matter sensor (105, 106) in an exhaust stream (114) of an engine (10) upstream from a particulate filter (102) and another such sensor (107) downstream from the filter (102). There may also be an exhaust gas...  
WO/2007/046216A1
The problem is to regenerate the purification ability of an exhaust gas purification device more reliably or efficiently in an exhaust gas purification system that combines a plurality of branch passages (10a, 10b) branch off from an exh...  
WO/2007/042888A1
One concept relates to a power generation system (5) comprising an engine (9) tuned to efficiently operate in a narrow speed range for all levels of positive power output. The narrow speed range facilitates the operation of an exhaust af...  
WO/2007/040786A1
An exhaust treatment system (16) for a power source (12) is disclosed. The exhaust treatment system has an inlet (58) configured to receive an exhaust flow from the power source, a filtering medium (54) configured to remove particulate m...  
WO/2007/035354A3
An emission control system is provided for an engine for reducing NOx emissions, the system comprising an ammonia injector, a controller (1) for controlling the ammonia injector and a catalyst (19), wherein the controller (1) includes a ...  
WO/2007/035354A2
An emission control system is provided for an engine for reducing NOx emissions, the system comprising an ammonia injector, a controller (1) for controlling the ammonia injector and a catalyst (19), wherein the controller (1) includes a ...  
WO/2007/031669A1
The invention concerns a system for regenerating a catalytic particulate filter (3) located in a diesel engine exhaust line (1), comprising an electronic control unit (11), a controlled fuel injector (6) arranged upstream of the catalyti...  
WO/2007/028677A1
A method for operating an internal combustion engine (10) in whose exhaust gas region (13) at least one SCR catalytic converter (16) is arranged, a reagent which contributes to NOx conversion in the SCR catalytic converter (16) being app...  
WO/2007/016713A3
The invention relates to a method for increasing the exhaust gas temperature for an internal combustion engine with several differently operated cylinders, at least one first cylinder, preferably a first group of cylinders being operated...  
WO/2007/018658A1
A system (1) and method for detecting soot and or ash loading within a filter (16) is provided. The method comprises the steps of transmitting a source RF signal (52) through a filter (16), measuring a reflected RF signal (46), measuring...  
WO/2007/014649A1
The invention relates to a method for the selective catalytic reduction of nitrogen oxides (NOx) in the exhaust gas of an internal combustion engine (2). According to the invention, the addition of a reaction agent (5) takes place in the...  
WO/2007/005254A3
The disclosed embodiments relate to a method and system (10) for regeneration of a catalyst (18) . The system includes an engine (12) that creates an exhaust stream, a reactor (16) that includes the catalyst is in fluid communication wit...  
WO/2007/005254A2
The disclosed embodiments relate to a method and system (10) for regeneration of a catalyst (18) . The system includes an engine (12) that creates an exhaust stream, a reactor (16) that includes the catalyst is in fluid communication wit...  
WO/2007/000518A2
The invention relates to a particle filter regeneration method, said particle filter comprising at least one cavity which is equipped with filter walls. The inventive method comprises at least one first regeneration category in which the...  
WO/2007/000518A3
The invention relates to a particle filter regeneration method, said particle filter comprising at least one cavity which is equipped with filter walls. The inventive method comprises at least one first regeneration category in which the...  
WO/2006/136754A2
A regeneration control method for a particle filter of an internal combustion engine exhaust line consists in determining operating data items of the particle filter, wherein said data items are at least one representative inside tempera...  
WO/2006/136754A3
A regeneration control method for a particle filter of an internal combustion engine exhaust line consists in determining operating data items of the particle filter, wherein said data items are at least one representative inside tempera...  
WO/2006/135501A1
A method to integrate engine and exhaust aftertreatment control may include connecting an engine controller (110) to an aftertreatment controller (112) using a common data link protocol to provide a bidirectional data flow between the en...  
WO/2006/132943A2
An apparatus (10) comprises a feed-forward arrangement (16) and a closed-loop controller (18). The feed-forward arrangement (16) is configured to determine a change of a system, the system change being independent of an output of a compo...  
WO/2006/123761A1
The present invention is directed to an exhaust gas purification system for an internal combustion engine (1) that performs high pressure PM filter regeneration process by decreasing the degree of opening of an exhaust throttle valve (12...  
WO/2006/111675A1
The invention concerns a device for diagnosing the operating condition of an internal combustion engine exhaust line equipped with a particulate filter comprising means for determining a differential pressure and a central unit (16) prov...  
WO/2006/111459A1
The invention relates to a sensor element for gas sensors, in particular for identifying particles in gas mixtures, comprising at least one measuring element (14, 16) which is exposed to a gas to be identified and at least one a temperat...  
WO/2006/109820A1
Whether discharge of high-concentration, unburned fuel is indicated or not is determined based on air-fuel ratio AF, calculated air-fuel ratio AFc and exhaust temperature thco (S110, S112, S114). If it is determined that high-concentrati...  
WO/2006/109755A1
The exhaust gas purifier includes a fuel addition valve (71), an NOx catalytic converter (72), and a catalyst loaded PM filter (73). The catalyst temperature of catalyst loaded PM filter (73) is increased to a target temperature by addin...  
WO/2006/097268A1
The invention relates to a device and to a method for removing nitrogen oxide from waste gas of an internal combustion engine which operates, primarily, with air. The internal combustion engine is associated with a waste gas system compr...  
WO/2006/096220A1
New technologies, such as NOx adsorber catalytic converters, are being used to meet increasingly stringent regulations on undesirable emissions, including NOx emissions. NOx adsorbers must be periodically regenerated, which requires an i...  
WO/2006/093574A1
A particulate trap regeneration control system (100) may include one or more filter sections (202, 204, 206) within the exhaust element (114). The regeneration control system may also include a controller (104) configured to determine an...  
WO/2006/093357A1
A NOX occlusion and reduction catalyst 7 is arranged in an exhaust path 2 of an engine 1 to purify NOX in the exhaust gas. An electronic control unit (ECU) 30 of the engine operates the engine in an operating mode in which the exhaust ga...  
WO/2006/081598A2
The invention relates to a diagnosis method for an exhaust gas post-treatment system for the reduction of nitric oxides in the exhaust gas train of an internal combustion engine by means of selective catalytic reduction. The following st...  
WO/2006/072499A2
The invention relates to a method for influencing the exhaust gas characteristics of a motor vehicle provided with an internal combustion engine (11) by influencing the exhaust gas composition and/or temperature by means of an emission m...  
WO/2006/064155A1
The invention relates to a method for controlling a vehicle motor, said motor comprising a particle filter (40). The inventive method is characterised in that it comprises a step for determining the difference between a measured average ...  
WO/2006/064145A1
The invention concerns a device for regenerating a particulate filter (23) for motor vehicle mounted on an exhaust line (20) of an internal combustion engine (1), comprising first means (25) for measuring the temperature (TSm) at the out...  
WO/2006/066043A1
The present disclosure relates to methods for controlling the introduction of a reactant into an exhaust system. In certain embodiments, the mean temperature of a catalyzed substrate within an exhaust system is used as a control parameter.  
WO/2006/059219A1
An exhaust gas control apparatus (1) that includes a pressure difference sensor (10) that detects the difference in pressure between the upstream side (3a) and the downstream side (3b) of a particulate filter (DPNR catalyst) (3), which c...  
WO/2006/055992A3
The invention relates to a method for determining particle accumulation in a particle filter arranged in the exhaust gas flow of an internal combustion engine wherein it is possible to determine the mass of deposited particles by taking ...  
WO/2006/055992A2
The invention relates to a method for determining particle accumulation in a particle filter arranged in the exhaust gas flow of an internal combustion engine wherein it is possible to determine the mass of deposited particles by taking ...  

Matches 451 - 500 out of 2,895