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Matches 1 - 50 out of 2,049

Document Document Title
WO/2017/005347A1
The invention relates to a method for operating an exhaust after-treatment system (3) comprising an SCR-catalyst (7), a metering device (9) for dosing a reducing agent being controlled on the basis of a determining variable (26) that inf...  
WO/2017/005348A1
The invention relates to a method for operating a system comprising an internal combustion engine (1) and an exhaust aftertreatment system (3) having an SCR catalyst (7), wherein the internal combustion engine (1) is controlled on the ba...  
WO/2016/202435A1
The invention relates to a method for operating an exhaust gas aftertreatment system (3), having the following steps: - determining a permissible energy input into at least one exhaust gas aftertreatment element (7) of the exhaust gas af...  
WO/2016/197181A1
This invention provides a highly-selective and sensitive Nitrogen oxide gas sensor based on the resistive transducing platforms using two-dimensional (2D) tin disulphide (SnS2) flakes that can operate below 150 °C. This sensor operates ...  
WO/2016/200132A1
A particulate matter sensor is provided. A particulate matter sensor according to an exemplary embodiment of the present invention comprises: an insulating substrate; a first electrode unit that is formed on a surface of the insulating s...  
WO/2016/188809A1
There is provided control apparatus for a motor vehicle, the apparatus comprising: control means (10); and pressure sensor means (9) for measuring a pressure difference between first and second locations (159A, 159B) of an engine aftertr...  
WO/2016/182895A1
Systems for reducing air consumption for aftertreatment systems by selectively supplying air from an air supply may selectively control a valve to enable or disable air supplied to a dosing module. A system may include an air supply, a d...  
WO/2016/179623A1
The invention relates to a method for flushing an exhaust-gas cleaning system (3) of an internal combustion engine (4), which exhaust-gas cleaning system comprises a catalytic converter (1) having at least one catalyst bed (2), wherein a...  
WO/2016/178505A1
The present invention relates to a particulate material sensor, i.e., a sensor for detecting particulate materials such as soot inside the exhaust pipe of a vehicle. To achieve the above objective, a particulate material sensor according...  
WO/2016/178648A1
An auto-calibration controller configured to automatically tune a dosing unit of an aftertreatment system. The auto-calibration controller is configured to command the dosing unit to dose reductant at a first dosing command rate at a fir...  
WO/2016/166926A1
An exhaust purification system of an internal combustion engine comprises an exhaust purification catalyst (20), a downstream side air-fuel ratio sensor (41) and a control device (31). The control device performs a feedback control of th...  
WO/2016/156254A1
The invention relates to a method for operating a probe having a pumped reference cell. A first time (T1) is determined, at which a pulse-width-modulated pump current applied to the reference cell is switched on. In accordance with the f...  
WO/2016/153410A1
Invention regards an apparatus (5) at least in part to be arranged in a channel (12) for exhaust gas discharged from a combustion engine (4). The apparatus (5) comprises a particulate filter (15) arranged to collect particulate matter pr...  
WO/2016/146907A1
The invention concerns a method for purging or charging oxygen of a catalyst arranged in the flow of an exhaust gas purification system of an engine comprising the catalyst, a gas probe capable of supplying a signal making it possible to...  
WO/2016/147138A1
An auto diagnostic sensor based water purification system is disclosed in the present invention. The system includes a water purification unit adapted to purify the contaminated water, a plurality of sensors placed within the said water ...  
WO/2016/144492A1
A system and method for monitoring filtering condition in an aftertreatment system comprises measuring a first pressure upstream of a first particulate filter in the aftertreatment system. A second pressure downstream of the first partic...  
WO/2016/117573A1
 The present invention is provided with: a NOx adsorption/reduction catalyst 32 that reduces and purifies NOx in exhaust gas and is provided in an exhaust gas system in an internal combustion engine 10; a deterioration degree estimatio...  
WO/2016/117568A1
 The present invention is provided with: a NOx adsorption/reduction catalyst 32 that reduces and purifies NOx in exhaust gas and that is provided in an exhaust gas system in an internal combustion engine 10; a deterioration degree esti...  
WO/2016/108518A1
A selective catalyst reduction system, according to an embodiment of the present invention, comprises: an exhaust fluid channel through which an exhaust gas of an engine is discharged; a reactor installed on the exhaust fluid channel and...  
WO/2016/102805A1
The invention relates to a method for diagnosing (200) a nitrogen oxide trap associated with an internal combustion engine, said trap being capable of reducing the nitrogen oxides stored therein by reacting with fuel from the engine duri...  
WO/2016/098902A1
Provided is a saddle-type vehicle for maintaining the initial vehicle-exhaust-purification performance for a long period of time, while also being capable of suppressing an increase in size in the front-rear direction of the vehicle, and...  
WO/2016/098907A1
Provided is a saddle-type vehicle in which increases in the vertical size of the vehicle can be minimized while the initial performance of the vehicle with regard to exhaust purification can be maintained for an extended period of time. ...  
WO/2016/098896A1
Provided is a saddle-type vehicle for maintaining the initial vehicle-exhaust-purification performance for a long period of time, while also being capable of suppressing an increase in size in the vertical direction of the vehicle, and h...  
WO/2016/085307A1
A urea concentration measurement device comprises: a concentration measurer for measuring the urea concentration by detecting waves transmitted through urea water, which is in a concentration measurement area between a transmitter and a ...  
WO/2016/081377A1
Nitrogen oxide multiplexing systems are provided. Various embodiments provide for systems comprising an aftertreatment component configured to treat exhaust exiting an engine, a sensor, a conduit, and a switching device. The sensor is co...  
WO/2016/078538A1
A common rail assembly used in a urea injection system (100), comprising at least a first common rail (51) and a second common rail (52) which are connected to each other, wherein the first common rail (51) comprises a first housing (511...  
WO/2016/074632A1
A sensor integrated device, comprising: a main body (20) provided with a cavity (23), a first joint (21) connected to the main body (20), and a second joint (22) connected to the main body (20), the first joint (21) being connected to a ...  
WO/2016/074631A1
A fluid delivery device, comprising an integrated cabinet (41), a pump (42) installed in the integrated cabinet (41), an inlet pipeline (43) connected to the pump (42), and an outlet pipeline (44) connected to the pump (42); the pump (42...  
WO/2016/073487A1
The present disclosure relates to a system, apparatus, and method for reconditioning a particulate matter sensor in an exhaust aftertreatment system that will resist poisoning. The system and method includes receiving particulate matter ...  
WO/2016/068867A1
A system for determining a performance status of an exhaust aftertreatment system may include determining an ammonia-to-nitrogen ratio using a sample ammonia input value and a sample NOx input value. An actual NOx input value and an actu...  
WO/2016/064188A1
The present invention provides a method for producing a porous protective layer for a gas sensor. The production of the porous protective layer according to one embodiment of the present invention comprises the steps of: (1) introducing,...  
WO/2016/060493A1
Provided is a flat plate-type oxygen sensor element. The flat plate-type oxygen sensor element according to an illustrative embodiment of the present invention comprises: a first electrolyte layer having a sensing electrode, exposed to t...  
WO/2016/058775A1
The invention relates to an internal combustion engine (10) having a secondary air system (20), wherein the cylinders (Z1-Z6) are divided into at least two cylinder banks (ZB1, ZB2) and each cylinder bank (ZB1, ZB2) is associated with a ...  
WO/2016/051038A1
The invention relates to a method for estimating the ageing of a catalyst located in the exhaust line of a motor vehicle, in which a vehicle operating parameter (km vehicle) serves as a parameter for evaluating the ageing of the catalyst...  
WO/2016/047815A1
The present invention relates to a differential pressure sensor. The differential pressure sensor, according to the present invention, comprises: a housing comprising a body and a cover and having a first chamber, a second chamber and a ...  
WO/2016/027941A1
The present invention provides a device for measuring urea concentration, the device measuring the urea concentration of urea water used in a selective catalytic reduction system. The device for measuring urea concentration is disposed i...  
WO/2016/028217A1
The invention relates to a method to diagnose an NOx-sensor (222), arranged downstream of an arrangement comprising an SCR-catalyst (270) in a catalytic exhaust treatment system to purify exhausts from an exhaust generating system, compr...  
WO/2016/025299A1
A diagnostic system for an exhaust system of an internal combustion engine is disclosed. The diagnostic system comprises a catalyst component and a marker that undergoes a physical transition above a transition temperature of the marker....  
WO/2016/024398A1
In a failure diagnosis apparatus that carries out standard diagnosis processing in which a failure of the particulate filter is diagnosed by making a comparison between an output value of the PM sensor at the time when a predetermined pe...  
WO/2016/021187A1
An additive amount of a reducing agent to a selective reduction-type NOx catalyst (3) is optimized. An ammonia adsorption amount of the selective reduction-type NOx catalyst (3) is estimated based on one or a plurality of prescribed para...  
WO/2016/015800A1
The invention relates to a method and to a control assembly (10) for operating an exhaust gas system of a vehicle in which measuring values are evaluated, which indicate a content of nitrogen oxides in an exhaust gas downstream of a cata...  
WO/2016/006242A1
A device is provided, which makes it possible to perform accurate failure diagnostics for a filter of an internal combustion engine constructed to be capable of using both of gaseous fuel and liquid fuel. The device of the invention comp...  
WO/2016/007079A1
The present invention relates to a method for determination of a cleaning need relating to a particulate filter (265) in the exhaust treatment system of an engine (231), from the point of view of ash occurrence, comprising the steps to: ...  
WO/2015/197350A1
The invention relates to a method for operating a motor vehicle (1), wherein ultrasonic waves are emitted into a surrounding region (9) of the motor vehicle (1) by means of at least one ultrasonic sensor (3) of an ultrasonic sensor devic...  
WO/2015/192926A1
The invention relates to a mixing device (1) of an exhaust gas purification system of a motor-vehicle internal combustion engine for mixing urea solution with exhaust gas of the internal combustion engine, comprising: a straight circular...  
WO/2015/194155A1
The present invention provides a deterioration diagnosis apparatus for an exhaust gas purification apparatus, including a first sensor that measures the oxygen concentration of the exhaust gas flowing into the exhaust gas purification ap...  
WO/2015/193079A1
Method for determining soot in exhaust gases of burners or internal combustion engines by means of a sensor element (10) which has at least two measuring electrodes (14, 16) exposed to the exhaust gas and a heating element (40), wherein ...  
WO/2015/191826A1
A system and method for using feed-back information, such as, for example, system-out NOx levels, to provide for closed-loop selective catalytic reduction control. A reference generation module may adjust an ideal SCR conversion value ba...  
WO/2015/185480A1
An injection system (115) for injecting a liquid medium (120) into an exhaust gas system (100) comprises a positive displacement pump (125) for delivering the medium (120), a drive device (130) for the positive displacement pump (125), a...  
WO/2015/185471A1
A method and a corresponding device are described for determining a pump capacity of a pump of a secondary air system of an internal combustion engine. The method includes (a) measuring an actual pressure (Pist) by means of a pressure se...  

Matches 1 - 50 out of 2,049