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WO/2006/081809A1 |
The invention relates to a method for diagnosing the degree of ageing of a catalyst arranged in the exhaust gas channel of an internal combustion engine, wherein the oxygen storage capacity of the catalyst is determined by means of the s...
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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...
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WO/2006/079407A1 |
The invention relates to a method and device for monitoring a secondary air system of an exhaust system mounted on a motor vehicle. The aim of said invention is to improve the recognition of tightness loss and disturbances in the seconda...
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WO/2006/069652A1 |
The modern exhaust gas cleaning systems for motor vehicles provided with a lean-mixture engine comprise a primary catalytic converter (3) arranged near the engine and a main catalytic converter (4) placed in an underbody area, wherein th...
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WO/2006/069845A2 |
An exhaust catalyst is charged with oxygen until saturated. A given first rich air/fuel ratio (LAM1_SP) is set in a combustion chamber of a cylinder. A first oxygen storage capacity value (OSC1) is determined depending on the measured si...
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WO/2006/067900A1 |
In the determination of multiple abnormalities with respect to an aqueous solution of reducing agent, etc., it is intended to avoid misjudgments attributed to any time lag between abnormality detection and abnormality determination. When...
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WO/2006/066836A1 |
A flow of exhaust gases from the combustion of hydrocarbon-containing fuels with variable temperature can be produced by separating the exhaust gases into two separate partial flows, cooling one partial flow and subsequently reuniting bo...
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WO/2006/065179A1 |
The invention proposes a method, a device and a computer program product for the diagnosis of an oxidation catalyst (5, 25), for the oxidation of NO into NO2, in a motor vehicle. An exhaust gas aftertreatment system (2, 22) comprises at ...
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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...
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WO/2006/050844A1 |
The invention relates to a method for monitoring a secondary air system in connection with an exhaust gas system handling an exhaust gas flow of a motor vehicle. The aim of the invention is to provide an inexpensive method for monitoring...
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WO/2006/048107A1 |
The invention relates to a method for operating an internal combustion engine during engine-braking, during which throttle valves (11) are opened and a cross-section setting element (8, 9) for regulating the flow cross-section in the exh...
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WO/2006/048192A1 |
The invention relates to a protective element (10) for attachment to a probe (8), especially a probe (8) for use in the exhaust gas system of a motor vehicle, whereby an inner surface (13) of the protective element (10) can at least part...
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WO/2006/049044A1 |
An exhaust gas purification device where occurrence of detection failure of injection nozzle clogging is suppressed. An exhaust gas purification device for an engine, having a reduction catalyst (4) provided in the exhaust system of the ...
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WO/2006/048103A1 |
The invention relates to a method for controlling the operation of a waste gas sensor (32) which is arranged in a waste gas channel (28) of a motor vehicle and which is equipped with an internal or external sensor heating device (34). Sa...
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WO/2006/045975A1 |
A method and device for estimating the temperature Te of gases arising from the internal combustion of an engine (1) at the entrance to a system (12) for the post-treatment of said gases, wherein the post-treatment system (12) is arrange...
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WO/2006/042987A1 |
invention concerns a system for regulating a particulate filter (23) regenerating phase by burning the particles accumulated in the filter, said filter being mounted on the exhaust line (20) of an internal combustion engine (1), in parti...
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WO/2006/027299A1 |
The invention relates to a method which is characterized in that before an active catalyst diagnosis is carried out the mixture is dynamically trimmed for all individual catalysts (K1 - K4) using a signal of a lambda sensor (LS1) common ...
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WO/2006/024950A1 |
An ECU executes a program including a step (S102) of limiting the maximum opening amount of a throttle valve to TH (1) when failure has occurred in a pressure sensor ('YES' in step S100); a step (S202) of limiting the maximum opening amo...
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WO2005038207A9 |
A honeycomb body (1) is disclosed, with channels (2) for the throughflow of a fluid, running between two front faces (3, 4) and with at least one sensor (5, 21), extending, at least partly, into the honeycomb body (1), whereby a first pa...
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WO/2006/021377A1 |
The invention relates to a method for diagnosing an exhaust gas purification element (4) of an internal combustion engine (1), particularly of a motor vehicle, by detecting and evaluating at least one exhaust gas parameter relevant to th...
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WO/2006/021748A1 |
A system (Figure 5) for controlling the emission of particles and NOx from a hydrocarbon fuelled engine comprises an exhaust system (2). The exhaust system includes: an NOx emission control device (8), the NOx emission control device hav...
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WO/2006/016090A1 |
The invention concerns a method for managing regeneration of an exhaust line particulate filter (1) provided with a catalytic member, by regulating the input temperature (TeFAP) of the filter (1). The invention is characterized in that i...
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WO/2006/016117A1 |
A method of inspecting a filter (10) for a vehicle exhaust system includes the steps of providing a source (20) of electromagnetic radiation, transmitting electromagnetic radiation through the filter (10), and detecting radiation which h...
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WO/2006/011027A1 |
When the temperature of exhaust gas control means (3), which is provided in an exhaust passage (2) of an internal combustion engine (1) and which has oxidation function, is increased to a target temperature in order to recover an exhaust...
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WO/2006/005866A1 |
The invention concerns a system for assisting regeneration of pollution management means (1) associated with oxidation catalyst forming means implementing an oxygen storage capacity (OSC) function and integrated in an exhaust line (2) of...
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WO/2006/005867A1 |
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/2006/005864A1 |
The invention concerns a system for assisting regeneration of pollution management means (1) integrated in an exhaust line (3) of a diesel engine (4), wherein the engine (4) is associated with common ramp means (7) injecting fuel into th...
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WO/2006/005870A1 |
The invention concerns a system for assisting regeneration of pollution management means (1) associated with oxidation catalyst forming means implementing an oxygen storage capacity (OSC) function, and integrated in an exhaust line (3) o...
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WO/2006/005873A1 |
The inventive system comprises means (10) for determining the vehicle running mode, means (11) for determining the mass of elementary carbon exhausted by the engine according said running mode, means (15) for accumulating said elementary...
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WO/2006/005876A1 |
The inventive system for assisting in the regeneration of depollution means (1) which is integrated in the exhaust means (3) of a diesel engine (4), wherein the engine (4) is associated with a common rail supplying means (7, 8) for injec...
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WO/2006/005871A1 |
The invention concerns a system for assisting regeneration of pollution management means (1) associated with oxidation catalyst forming means (2) implementing an oxygen storage capacity (OSC) function, and integrated in an exhaust line o...
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WO/2006/005868A2 |
The invention concerns a system for evaluation regeneration of pollution management means (1) integrated in an exhaust line (2) of a motor vehicle engine, characterized in that it comprises means (4) for determining the thermal power inp...
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WO/2006/005875A1 |
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/2006/003341A1 |
The invention concerns a method which consists in arranging a oxygen probe (21) of an exhaust pipe and observing that substantial unique increase of said representative signal towards a threshold value S1 calculated from the start of the...
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WO/2006/001404A1 |
The present invention provides a device and a method for supplying a fuel or a reducing agent, where a fuel or reducing agent supplied by injection can be vaporized and/or a fuel or reducing agent having high reactivity can be provided, ...
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WO/2005/124116A1 |
An exhaust gas purification apparatus wherein a selective reduction type catalyst (10) is provided on the way of an exhaust pipe (9) and a urea water (17) (a reducing agent) is added upstream from said selective reduction type catalyst (...
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WO/2005/124326A1 |
The invention relates to a method and a particle sensor (5) for measuring particles, especially soot particles. The particles to be detected settle on a measuring region (10) of the particle sensor (5). The particles in the gas flow (55)...
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WO/2005/124117A1 |
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/2005/124114A1 |
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/2005/124118A1 |
An object of the invention is to realize a method of determining an abnormality in a particulate filter (5) capable of trapping and oxidizing particulate matter contained in exhaust gas in which even a minor abnormality in which small qu...
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WO/2005/121516A1 |
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/2005/121515A1 |
There are provided a NOx storage reduction catalyst which is provided in an exhaust passage for an engine, and a sulfur concentration sensor which can detect a total concentration of SOx and H2S in exhaust gas that has passed through the...
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WO/2005/116606A2 |
A method for simulating at least one drive cycle of a vehicle using a non-engine based test system using a combustor in fluid communication with a plurality of test components and supplying air and fuel to the combustor at the air to fue...
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WO/2005/116413A1 |
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/2005/111388A1 |
An exhaust emission control device of an internal combustion engine, wherein an oxidation catalyst is installed on the exhaust emission upstream side of an exhaust emission catalyst. The catalyst capacity of the oxidation catalyst is set...
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WO/2005/106220A1 |
A liquid feed device for an exhaust gas aftertreatment device, comprising a heat retaining device (40) installed to retain the temperature of a pipe (3) for supplying an aqueous solution of urea (U) stored in a tank (2) to an exhaust gas...
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WO/2005/105501A1 |
Disclosed are a method for operating a hybrid vehicle, in which a predefined setpoint torque (mifa) is cumulatively generated by at least one internal combustion engine (10) and at least one electric motor (40), and a device for carrying...
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WO/2005/093233A1 |
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/2005/090759A1 |
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/2005/083250A1 |
The invention relates to a method for determining the actual oxygen load (m02) of a 3-path catalyst (6) of a lambda-controlled internal combustion engine (1), whereby a value for the actual oxygen load (m02) is calculated from the signal...
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