| Document |
Document Title |
|
WO/2008/142999A1 |
A main exhaust passage 42 and a first bypass passage 46 bypassing the main exhaust passage 42 are provided. An absorbent 52 having a function of absorbing HC components and NOx components contained in exhaust gas is provided in the first...
|
|
WO/2008/142346A1 |
The invention relates to a method for estimating by physical modelling the temperature of a post-processing system (5) installed in the exhaust line of an internal combustion engine, that comprises a modelling of the post-processing syst...
|
|
WO/2008/142342A2 |
Method of monitoring the effectiveness of a catalytic converter storing the NOxs located in an exhaust line of an internal combustion engine and 5 engine comprising a device implementing said method. The present invention relates to a me...
|
|
WO/2008/138682A1 |
The invention relates to a diagnostic method for a reagent material to be introduced into an exhaust gas region (11) of an internal combustion engine (10), or a precursor of the reagent material, which is required to convert at least one...
|
|
WO/2008/141172A1 |
A urea quality sensor includes an acoustic resonator in order to measure the accurate concentration of urea by measuring change in molecular weight. A change in molecular weight of urea proportionately affects the speed of sound. The cha...
|
|
WO/2008/135016A1 |
The invention relates to an exhaust gas duct comprising a main exhaust gas line (10), a first branch line (12) branching off the main exhaust gas line, and a second branch line (14) branching off the main exhaust gas line, both leading t...
|
|
WO/2008/129184A1 |
The invention relates to a method for urea injection in an exhaust line muffler of an engine (1), the urea containing ammonia which is used to chemically reduce, in a selective catalytic reduction reaction, called SCR, the nitrogen oxide...
|
|
WO/2008/130294A1 |
The invention relates to a method and a system for monitoring of the functionality of an After Treatment Injector (ATI) ( ) for injection of a fluid in an engine exhaust gas system (2) upstream of an exhaust gas treatment unit (3). The m...
|
|
WO/2008/130284A1 |
The invention relates to a method and a system for monitoring of the functionality of an After Treatment Injector (ATI) 6 for injection of a fluid in an engine exhaust gas system 2 upstream of an exhaust gas treatment unit 3. The monitor...
|
|
WO/2008/129224A1 |
The invention relates to a control device of the operating state of a catalytic converter 25 of the exhaust line of an internal combustion engine 10, including a means for the determination 36; 26, 34 of the temperature upstream and down...
|
|
WO/2008/119599A1 |
The invention relates to a method for the operation of an electromagnetically controllable reducing agent metering valve (24) that is disposed in the exhaust gas system (12) of an internal combustion engine (10) and that is actuated with...
|
|
WO/2008/115843A2 |
A method for simultaneously measuring one or more properties (e.g. temperature, concentration of NOx and ammonia, etc) in an exhaust gas mixture. Signals from one or more sensors that are cross-sensitive to one or more gases can be combi...
|
|
WO/2008/115211A1 |
An impact protection element for a sensor housed in a boss features a hollow base element adapted to overlie the boss and a pair of legs extending along opposite sides of the boss.
|
|
WO/2008/107469A1 |
The method according to the invention for monitoring the proper performance of a particulate filter (1) through which exhaust gas flows is characterized in that the temperature (9) of the exhaust gas (3) is detected after flowing through...
|
|
WO/2008/107779A2 |
The concentration of a portion of components in the hydrocarbon in exhaust gas flowing into a catalyst (11) is detected or estimated, and the concentration of the portion of components in the hydrocarbon in the exhaust gas flowing out of...
|
|
WO/2008/105996A1 |
An engine exhaust treatment system (20) is provided. The system may include a catalyst-based device (30) including a catalyst (32) configured to reduce an amount of NOx in exhaust gases produced by an engine (18), by using ammonia stored...
|
|
WO/2008/103113A1 |
The invention relates to a system and an on-board-diagnosis method for an exhaust aftertreatment system (10) of an engine (12) comprising a diesel particulate filter unit (60) which encompasses a particulate filter (64) in which soot can...
|
|
WO/2008/094116A1 |
The present invention relates to a method for heating a catalytic converter of a vehicle, said vehicle comprising an internal combustion engine and a throttling device for throttling a combustion exhaust stream from said engine. The meth...
|
|
WO/2008/090125A1 |
The invention relates to a method for achieving plausibility of a pressure difference value by means of a particle filter. For this purpose, a pressure difference value is allocated to each charging pressure of the internal combustion en...
|
|
WO/2008/091496A2 |
A method for detecting defects in a honeycomb filter body. In operation, a gas flow stream containing particulates emerges at an outlet end face of the honeycomb body through defects, if any, in the honeycomb walls and/or plugs where the...
|
|
WO/2008/090433A1 |
An exhaust line fuel injection system (1) and associated methods of operation and control are disclosed. The fuel passes through a regulating valve (11, 60, 70, 80) having an inlet (62, 81) connected to a pressurized fuel source (20) and...
|
|
WO/2008/088285A1 |
Method and arrangement for monitoring the functioning of an exhaust gas after treatment system (2) of a motor vehicle, wherein: a first curve is established based on measuring values from a sensor (11) as to the magnitude of a parameter ...
|
|
WO/2008/081281A1 |
A control system of an internal combustion engine (1) includes: pressure detecting means (30) for detecting a pressure in a gas passage which is communicated with the engine (1); and control means (40) for acquiring a reference pressure ...
|
|
WO/2008/079299A2 |
One embodiment is a method including a unique soot loading metric. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and drawings.
|
|
WO/2008/079772A2 |
Inhibiting uncontrolled regeneration of a particulate filter fluidly coupled to an exhaust manifold of an internal combustion engine may comprise reducing an oxygen concentration of exhaust gas supplied to the particulate filter if activ...
|
|
WO/2008/079820A2 |
A system and method are provided for controlling regeneration of exhaust gas aftertreatment components coupled to an internal combustion engine. For example, the particulate load of a particulate filter is monitored and a road speed of t...
|
|
WO/2008/079183A1 |
A particulate trap regeneration system is provided, which may include a particulate trap (24) having a filter medium configured to remove one or more types of particulate matter from an exhaust flow of an engine and a regeneration device...
|
|
WO/2008/072049A2 |
Immediately after startup of the engine, secondary air is supplied by an air pump (ll) into each exhaust branch passage (8) via a secondary-air supply passage (13). A pressure sensor (36) is disposed in the secondary air supply passage (...
|
|
WO/2008/068226A1 |
The invention relates to a method for operating a vehicle engine in which method a predetermined criterion is used to assess (140) whether a nitrogen oxides trap is faulty, characterized in that, if a fault is diagnosed, a purge of the s...
|
|
WO/2008/059153A2 |
The invention relates to a method for estimating the temperature T3 of the exhaust gases of a combustion engine at the output of a EGR circuit fitted on the engine, based on a model that takes into account the thermal energy losses of th...
|
|
WO/2008/058896A1 |
The invention relates to a method for operating a metering valve (18) arranged in an exhaust gas region (13) of an internal combustion engine (10) for metering a reagent or a precursor of a reagent, comprising a cooling device to prevent...
|
|
WO/2008/050216A2 |
To detect deterioration of a catalyst, active air-fuel ratio control is performed in which the exhaust air-fuel ratio (Vfr) is oscillated between the lean side and the rich side relative to a certain central air-fuel ratio (AFc). When th...
|
|
WO/2008/048175A1 |
The invention relates to a method and an arrangement for monitoring the functioning of an exhaust gas aftertreatment system (2) of a motor vehicle based on a measuring signal from a sensor (11) as to the magnitude of a parameter related ...
|
|
WO/2008/043930A1 |
The device (1) estimates the instantaneous nitrogen-oxide storage effectiveness of a nitrogen-oxide catalytic trapping system which includes a catalytic phase and through which the exhaust gases of a motor vehicle internal combustion eng...
|
|
WO/2008/043422A1 |
The invention relates to an exhaust gas purification system for an internal combustion engine of a motor vehicle. Said system comprises a first particulate filter element (4) and a second particulate filter element (11), which is connect...
|
|
WO/2008/040905A1 |
The invention relates to a method and to a device for performing diagnostics on a system for eliminating particles from exhaust gases of a vehicle. The diagnostics method involves at least a first step of detecting failure of a switch (1...
|
|
WO/2008/042048A1 |
A method of controlling an exhaust treatment system (10, 100) includes sensing a temperature representative of a catalyst material temperature at start-up of a power source (12) and comparing the sensed temperature to a threshold tempera...
|
|
WO/2008/036010A1 |
The invention concerns an exhaust gas system (1 ) for an internal combustion engine (11 ), said system (1 ) comprising an exhaust gas conduit (13), a particulate filter (15) and a controllable exhaust valve (17) arranged in the exhaust g...
|
|
WO/2008/034662A1 |
The invention relates to a filter element (18), in particular for filtering exhaust gases of an internal combustion engine (10), wherein the filter element (18) has electrically conducting elements (42) on its outside (36) for a measurem...
|
|
WO/2008/032166A1 |
A storage reduction NOx catalyst is disposed in an exhaust passage for an internal combustion engine. A NOx sensor is disposed upstream of the NOx catalyst. An inflow NOx amount, which is the amount of NOx that has flown into the NOx cat...
|
|
WO/2008/028709A1 |
Described is a device, in particular for the aftertreatment of the combustion exhaust gases of internal combustion engines, having a device for reducing an exhaust-gas constituent (12), having an exhaust pipe (10) for conducting the exha...
|
|
WO/2008/020287A2 |
A total amount of NOX (NOXIN) that flows into an NOX catalyst (18) between the time that air-fuel ratio control ends and the time that the air-fuel ratio control starts the next time, is obtained. A total stored amount (TSA), which is th...
|
|
WO/2008/015399A1 |
A turbocharger system comprises a first relatively small high-pressure (HP) turbocharger (1) and a second relatively large low pressure (LP) turbocharger (2). The turbine (6) of the LP turbocharger (2) is connected in series downstream o...
|
|
WO/2008/007808A1 |
An object of the present invention is to provide a technology of preventing, in an exhaust gas recirculation system having a low pressure EGR passage (31) that recirculates a part of the exhaust gas from the exhaust passage (4) at some p...
|
|
WO/2008/005089A1 |
A particulate sensing system (28) for a particulate trap (19) including a radio frequency transmit circuit (32) and a radio frequency receive circuit (34) is disclosed. The transmit circuit may include a wideband signal generator (62) co...
|
|
WO/2008/004917A1 |
The present application describes a diagnosis method and a gas sensor being adapted to perform the diagnosis method for detecting a damage of a gas sensor causing a malfunction, particularly a crack, wherein said gas sensor having at lea...
|
|
WO/2008/002907A2 |
Diesel exhausts treatment articles, systems and methods are-disclosed. According to one or more embodiments, an oxygen storage component is utilized and degradation of the oxygen storage component is correlated with degradation of the hy...
|
|
WO/2008/000405A2 |
Disclosed is a method for testing a particulate filter (2) for an internal combustion engine, especially a soot particulate filter, to which a hot gas flow (18) that is loaded with particulates (10) is applied at the intake end. Accordin...
|
|
WO/2007/148828A2 |
An exhaust gas purifying apparatus for an internal combustion engine (1) is provided. The apparatus includes a recoverable type exhaust gas purifying device (10) provided in an exhaust passage (4), a reducing agent addition device (8) up...
|
|
WO/2007/141443A1 |
The invention concerns a method and a device for diagnosing the operation of a catalytic element (5) of an internal combustion engine exhaust line (1) characterized in that it consists in comparing a reference value output by a first oxy...
|
