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Matches 1 - 50 out of 2,138

Document Document Title
WO/2018/013031A1
Method for diagnosing an aftertreatment component (310), wherein nitrogen oxide (NOx) is reduced using a first catalytic converter (331) upstream said aftertreatment component (310) and a second catalytic converter (332) downstream said ...  
WO/2018/013039A1
The invention relates to a method for diagnosing an exhaust gas processing configuration for a combustion engine (231) of a vehicle (100), said configuration comprising two SCR-units (240, 250), two NOx-sensors (243, 253) and two reducin...  
WO/2018/013038A1
The present invention relates to a method for diagnosing aftertreatment of exhaust gases resulting from combustion, wherein at least a first substance (NOx) resulting from said combustion is reduced by supplying additive to an exhaust ga...  
WO/2018/007701A1
The invention relates to a diagnostic method for a depollution device (21) of a motor vehicle (1) comprising a gasoline-operated internal combustion engine (10) and a device (21) for depolluting the exhaust gases of said internal combust...  
WO/2018/001580A1
The invention relates to a method for testing the functional soundness of a particle sensor arranged in an exhaust train of an internal combustion engine of a vehicle. The internal combustion engine has a particle filter for trapping par...  
WO/2018/005474A1
System and methods for detecting NH3 slip using cross-sensitivity of an NOx sensor may include accessing a temperature value for a catalyst and determining the temperature value for the catalyst exceeds a predetermined value. If the temp...  
WO/2017/220083A1
The invention relates to an exhaust-gas emission control system comprising a filter function, the diagnosability of which is optimized with respect to filter damage. The system consists of a gas-permeable substrate which constitutes a wa...  
WO/2017/216440A1
The invention relates to a process for correcting a diagnosis of functionality of a catalyst (4) present in an exhaust line (1) of an internal combustion engine (2) of a motor vehicle that also comprises a particle filter (3), the diagno...  
WO/2017/211425A1
A method for detecting a leak in a feed line of a SCR system of a vehicle, the system comprising a tank for the storage of an ammonia precursor solution, an injector, the feed line being arranged between the tank and the injector, and a ...  
WO/2017/211521A1
The invention relates to a method for monitoring a NOx sensor (10) having an oxygen-ion-conducting solid electrolyte and having at least one cavity (12), wherein at least one cavity (12) of the NOx sensor is flooded with a defined oxygen...  
WO/2017/212015A1
A method for detecting a leak in a liquid system (e.g. for cleaning windows, fuel system or urea based SCR-system), the liquid system comprising a tank for storage of a liquid solution, an injector, a feed line arranged between the tank ...  
WO/2017/207209A1
The invention relates to a method in which a storage capacity of the nitrogen oxide trap is monitored. Depending upon the monitoring, a nitrogen oxide trap regeneration is deactivated until the onset of a predetermined event such that, i...  
WO/2017/207309A1
The invention relates to a method and a device for carrying out a diagnosis of at least one component of a motor vehicle when in a driving mode. The driving mode is adapted to the diagnosis. According to the invention, the motor vehicle ...  
WO/2017/198379A1
A stop valve (100) comprises a magnetic yoke (101), a solenoid coil (102), a compression spring (107) and an armature (105) on which an elastic membrane (106) is arranged. The membrane (106) can be sealingly pressed onto at least one flu...  
WO/2017/198380A1
Disclosed is a stop valve (100) comprising a magnetic yoke (101), a solenoid coil (102), a compression spring (107) and an armature (105) on which an elastic membrane (106) is arranged. The membrane (106) can be sealingly pressed onto at...  
WO/2017/193670A1
A method for treating nitrogen dioxide in automobile exhaust gas, said method comprising the following steps: monitoring automobile exhaust gas in real time via infrared detection means, and generating a corresponding electric signal acc...  
WO/2017/193664A1
The present invention relates to a method and system for treating carbon monoxide in automobile exhaust gas, said method comprising the following steps: monitoring exhaust gas of an automobile exhaust gas purifier outlet in real time, an...  
WO/2017/193686A1
A treatment device for nitrogen dioxide in an automobile cabin, said device comprising: a gas detector (101), used for detecting automobile exhaust gas discharged from an automobile exhaust gas purifier outlet, and obtaining a nitrogen d...  
WO/2017/193669A1
A method for treating nitrogen dioxide in automobile exhaust gas, said method comprising the following steps: monitoring automobile exhaust gas in real time via infrared detection means, and generating a corresponding electric signal acc...  
WO/2017/193672A1
A method for treating nitric oxide in automobile exhaust gas, said method comprising the following steps: obtaining an exhaust pressure value at an automobile engine exhaust pipe outlet (S101); when the exhaust pressure value reaches a p...  
WO/2017/193688A1
A method for detecting automobile safety, said method comprising: obtaining an exhaust pressure value at an automobile engine exhaust pipe outlet; when the exhaust pressure value reaches a preset value, detecting exhaust gas of an automo...  
WO/2017/193687A1
An automobile safety monitoring method, comprising: monitoring automobile exhaust gas of an automobile exhaust gas purifier outlet in real time, and analysing the automobile exhaust gas to obtain the types and amounts of various harmful ...  
WO/2017/168580A1
Provided is a catalyst diagnosis device that can accurately ascertain a change in an air-fuel ratio on the downstream side of a catalyst, and diagnose the state of deterioration of the catalyst on the basis of the change. A timer unit 13...  
WO/2017/165120A1
Nitrous oxide (NOx) sensors and related methods and systems for use with combustion processes. The NOx sensor uses metal oxide semiconductors. The NOx sensor may have two sensing circuits that share a common electrode. The sensing circui...  
WO/2017/165220A1
A radio frequency sensing, control, and particulate matter diagnostics network and system and method and, more specifically, a radio frequency particulate filter diagnostics system comprising a housing 108 including an inlet connected to...  
WO/2017/157568A1
The invention relates to a method for adapting the characteristic curve of a nitrogen oxide sensor (32) of an internal combustion engine with an exhaust gas recirculation system, which has the first nitrogen oxide sensor (32) arranged up...  
WO/2017/153665A1
The invention relates to a method for optimizing the consumption of reducing agent in the form of ammonia in an exhaust line (1) comprising first and second selective catalytic reduction systems (2, 3), the second system (3) being locate...  
WO/2017/155873A1
Sensing combustion events using a resistive based oxygen sensor exposed to exhaust gases of a periodic combustion process in a combustion engine. The oxygen sensor is disposed in the exhaust plenum of the engine and includes a metal oxid...  
WO/2017/151967A1
A control system for use in a fluid flow application is provided. The control system includes a heater having at least one resistive heating element. The heater is adapted to heat the fluid flow. The control system further includes a con...  
WO/2017/151966A1
A heater system (20) for an exhaust system (18) is provided. The heater system (20) includes a heater (28) disposed in an exhaust conduit (32). The heater (28) includes a plurality of heating elements (38) disposed in the exhaust conduit...  
WO/2017/151959A1
A control system for a heating system of an exhaust system is provided. The control system includes at least one electric heater disposed within an exhaust fluid flow pathway, and a control device adapted to receive at least one input se...  
WO/2017/144222A1
The invention relates to a method for operating a lambda probe (20) in an exhaust gas channel (12) of an internal combustion engine (10), wherein the lambda probe (20) is arranged in the exhaust gas channel (12) upstream of a catalyst (1...  
WO/2017/138873A1
The invention relates to a method for diagnosing exhaust sensors, where at least one substance (NOx) resulting from combustion is reduced by supplying an additive. A first sensor subjected to the exhaust gas stream is intended to measure...  
WO/2017/129510A1
The invention relates to a method for the quality assurance of exhaust gas behaviour in a motor vehicle (100), particularly in a hybrid vehicle, comprising: monitoring (10) an on-board-diagnosis (OBD) function (110); providing (20) a jou...  
WO/2017/131086A1
This regeneration control device for an exhaust gas treatment device is provided with: a DOC blockage danger condition determination unit for determining, on the basis of a comparison between a threshold value and a counter value pertain...  
WO/2017/127283A1
An apparatus includes a pump, a delivery mechanism in fluid communication with the pump, and a controller communicatively coupled to the pump and the delivery mechanism. The controller is structured to interpret, via a pump diagnostic ci...  
WO/2017/119836A1
The invention relates to a method for determining a performance of a particulate filter of an engine, said method comprising the steps of: - determining (s410) at least one exhaust gas temperature (T1mod; T1meas; T2mod; T2meas) upstream ...  
WO/2017/117103A1
A method of recovering selective catalytic reduction catalysts relates to metal-Zeolite based catalysts. A selective catalytic reduction catalyst service event where a metal-Zeolite based selective catalytic reduction catalyst of an exha...  
WO/2017/116060A1
One embodiment of the present invention relates to a system for supplying a reducing agent, and the system for supplying the reducing agent comprises: a urea decomposition chamber into which a fluid flows; a urea spray nozzle for sprayin...  
WO/2017/108314A1
The invention relates to a planar ceramic sensor element for a gas sensor for detecting particles in a gas, comprising an interdigital electrode (14, 16) which can be exposed to the gas, an electric heating element (40) which is designed...  
WO/2017/097776A1
Method of analyzing flow of reductant through the injector In a selective catalytic reductant dosing system including a reductant injector adapted to inject liquid reductant into an exhaust line, comprising: i) determining a measure of t...  
WO/2017/097557A1
The invention relates to a method for operating a nitrogen oxide sensor of a vehicle, having a first nitrogen oxide sensor, a second nitrogen oxide sensor, and a catalytic converter, wherein one of the two nitrogen oxide sensors is arran...  
WO/2017/098154A1
The invention proposes a method for diagnosing an SCR catalyst of an internal combustion engine fitted with a low-pressure EGR loop removing exhaust gas downstream from the catalyst. The diagnostic criterion is a function of the differen...  
WO/2017/095684A1
A system comprises an engine including a plurality of cylinders. A first intake throttle is positioned upstream of a first set of cylinders of the plurality of cylinders. The first intake throttle provides air at a first flow rate to the...  
WO/2017/087064A1
A system includes an exhaust treatment system (6) configured to treat emissions from a combustion engine (12) via a catalyst (14). The system includes a controller (24) configured to obtain an operating parameter indicating catalyst perf...  
WO/2017/087402A1
An apparatus includes an exhaust analysis circuit and a sensor diagnostics circuit. The exhaust analysis circuit is structured to interpret first oxygen data acquired by a first sensor indicative of a first amount of oxygen in an exhaust...  
WO/2017/086942A1
A method for correcting for aging in particulate matter sensors for a diesel engine includes calculating calculated particulate matter values for a modeled diesel engine exhaust system over a period of time, measuring measured test parti...  
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...  

Matches 1 - 50 out of 2,138