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WO/2007/128594A1 |
To operate an internal combustion engine, a measuring signal (EG_SIG) is continously recorded within a predetermined time window during lean operation of the internal combustion engine, said measuring signal (EG_SIG) being representative...
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WO/2007/130224A1 |
An engine assembly may include an internal combustion engine (10) configured to combust fuel. The combustion of fuel may produce exhaust and sound waves that may be directed into an exhaust line (14). A particulate filter (24) may be ope...
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WO/2007/125228A1 |
A facility for treating exhaust gases from an internal combustion engine (1) comprises catalytic oxidation means (3), a particle filter (4) placed downstream from the catalytic oxidation means (3), a reformer (5) to produce reformate. Th...
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WO/2007/126131A1 |
In an exhaust gas purification apparatus for an internal combustion engine, there is provided a technique that can perform the addition of a reducing agent to an exhaust gas in a more appropriate manner. In an exhaust gas purification ap...
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WO/2007/126524A1 |
A particulate trap regeneration system (16) is provided. The system may include a particulate trap (19) having a filter medium (24) configured to remove one or more types of particulate matter from an exhaust flow of an engine (14). The ...
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WO/2007/126592A1 |
An exhaust treatment system (20) is provided. The system may include a particulate trap (34) configured to remove one or more types of particulate matter from an exhaust flow of an engine (18). The system may also include a catalyst (32)...
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WO/2007/124850A1 |
The invention relates to a device for influencing an exhaust gas flow, in particular for controlling sound emission in an exhaust gas system of a motor. Said device comprises a closure element, for example, a motor-driven flap in order t...
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WO/2007/122470A2 |
A control apparatus according to the invention includes a calculation portion (300) that calculates a target engine torque that is used to control the output torque of an engine (100), an estimation portion (300) that estimates the accum...
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WO/2007/118604A1 |
The invention relates to a device for monitoring an exhaust gas catalytic converter in the exhaust system of an internal combustion engine. Provided for this purpose is a measuring arrangement (10) which is arranged in the exhaust system...
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WO/2007/119015A1 |
Method for monitoring the regeneration of a pollution-removal system (8), relying on the introduction of fuel into the exhaust gases by delayed injections of fuel into certain combustion chambers of the engine and/or direct injections in...
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WO/2007/116163A1 |
The invention concerns a system for assisting regeneration of a particulate filter (6) arranged in an exhaust line (3) of a diesel engine (1) associated with a oxidizing catalyst (7), the engine (1) being equipped with feeding means (8) ...
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WO/2007/113298A1 |
The invention relates to a device for producing hot gas, comprising: a first combustion space (2) for burning fuel (17), wherein the first combustion space has an open (5) and a closed end (36), and wherein the first combustion space has...
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WO/2007/113422A1 |
This system for assisting in initiating the regeneration of a particle filter (11), placed in an exhaust line (8) of a motor vehicle engine (1), downstream of a turbine portion (9) of a turbocharger (3) and an oxidation catalyst (10), in...
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WO/2007/107873A2 |
An exhaust purification device includes a particulate filter (10), an air flow meter (7) that detects the amount of fresh air flowing in an intake passageway (3), and an EGR device (30) that supplies gas to a site in the intake passagewa...
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WO/2007/105103A2 |
A fuel injection control apparatus of an internal combustion engine is provided with a fuel injection valve that injects fuel directly into a combustion chamber and a controller. When the engine is cold started (i.e., YES in step S1O), a...
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WO/2007/100438A1 |
In one aspect, the present disclosure is directed to a particulate trap regeneration temperature control system (16). The system may include a particulate trap (19) configured to remove one or more types of particulate matter from an exh...
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WO/2007/096544A2 |
The invention relates to a method for regenerating a particle filter on the exhaust line of an internal combustion engine, in which fuel is injected into the exhaust tube upstream of an oxidation catalyst which is disposed upstream of th...
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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...
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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...
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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...
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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) ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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