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Matches 1 - 50 out of 2,073

Document Document Title
WO/2017/077002A1
It is proposed a method for monitoring a chemical agent concentration in a chemical solution stored in a tank of a system of a motor vehicle, the system comprising a pump driven by a motor wherein the pressure of the pump is controlled b...  
WO/2017/077212A1
The invention relates to a method for estimating a volume of a reducing agent in liquid form (21) in a container (7) of a selective catalytic reduction system, the reducing agent being at least partially frozen (20), wherein temperature ...  
WO/2017/074252A1
The present invention relates to a method for restricting work produced in a combustion chamber (101), wherein a substance (NOx) resulting from combustion is reduced by supplying additive comprising a reagent to the exhaust gas stream (1...  
WO/2017/074089A1
One embodiment of the present invention relates to a management device of a selective catalytic reduction system and a control method therefor, and the management device for a selective catalytic reduction system comprises: a detection u...  
WO/2017/074251A1
The present invention relates to a method for restricting work produced by combustion in a combustion chamber (101), wherein an aftertreatment system (130) is arranged for reduction of at least one substance (NOx) resulting from said com...  
WO/2017/074253A1
The present invention relates to a method for determining when to correct supply of additive to an exhaust gas stream resulting from combustion in at least one combustion chamber (101), wherein the additive is arranged for reduction of a...  
WO/2017/063987A1
An internal combustion engine produces exhaust gas that can be treated using a catalytic converter and a particulate filter. A method for ascertaining the particle load (210) on the particulate filter comprises steps (230, 235) of ascert...  
WO/2017/065815A1
One or more light sources (108, 110) emit light within first, second, and third wavelength ranges through exhaust gas (102). The first and second wavelength ranges are characterized by first and second different absorption wavelength ran...  
WO/2017/065871A1
A traffic pollution indicator mounts to an air vent of a car or other vehicle to detect pollution and present pollution information to passengers. The traffic pollution indicator includes one or more sensors for detecting pollution, one ...  
WO/2017/064204A1
A method of determining one physicochemical parameter of a chemical agent in a fluid is provided the method comprising the steps of: providing a pressurized fluid of said chemical agent upstream of a dosing unit in a line; changing the o...  
WO/2017/060578A1
The invention relates to a method for diagnosing a SCR catalyst, comprising at least the steps of: determining (120) the effectiveness (ε) of the catalyst; comparing (130) said effectiveness (ε) with a first threshold (ε1); and deemin...  
WO/2017/060020A1
The invention relates to a supply module (1; 2; 3), in particular for providing a fluid reducing agent (6), comprising a base plate (10) and a cover plate (12) which is arranged at a distance above the base plate (10) such that a hollow ...  
WO/2017/050814A1
A diesel exhaust fluid (DEF) delivery system and method for operating same. The method includes controlling a pump to operate at an idle speed to pressurize a pressure line. The method includes controlling a backflow dosing module (BFDM)...  
WO/2017/045822A1
The present invention discloses an operating liquid container system comprising at least one operating fluid container (10), a quality and/or filling level sensor (70), which is arranged in the operating liquid container (10), for determ...  
WO/2017/039268A1
An exhaust gas purifying system comprises: a reduction agent injecting module installed on a housing to inject a reduction agent into the housing, the housing capable of being mounted on an exhaust pipe through which exhaust gas from an ...  
WO/2017/034583A1
An aftertreatment system comprises a particulate filter configured to filter PM possessing a predetermined, least effective size range included in an exhaust gas flowing through the aftertreatment system. A PM sensor assembly is position...  
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...  

Matches 1 - 50 out of 2,073