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Matches 1 - 50 out of 2,163

Document Document Title
WO/2018/068994A1
The invention relates to a catalyst measurement system (100) for the self-diagnosis and age determination of an SCR catalyst (110) for a vehicle. The catalyst measurement system (100) has the following components: an SCR catalyst (110) f...  
WO/2018/068924A1
The invention relates to a method and a device for monitoring the tank content of an SCR-system (100). The method comprises: Determining (S701) a current concentration value (Knew) of an additive (101) in the tank, calculating (S703) a c...  
WO/2018/069039A1
The invention relates to a catalyst measurement system (100) for the age determination of an SCR catalyst (110) for a vehicle. The catalyst measurement system (100) has the following components: a control device (120) for controlling the...  
WO/2018/065141A1
The invention relates to a catalytic converter measurement system for on-board diagnostics and for determining the aging of an SCR catalytic converter for a vehicle. The catalytic converter measurement system has the following components...  
WO/2018/065199A1
The invention relates to a method for monitoring a pressure sensor in a hydraulic system of a motor vehicle, having the following steps: actuating (S601) a valve of a pressure accumulator in the hydraulic system, determining (S602) the b...  
WO/2018/060847A1
Described herein is a process for designing a virtual sensor that is able to estimate a variable of interest v as a function of a set of available variables u i . The process comprises the steps of: - acquiring (1002) a design data-set D...  
WO/2018/063973A1
A multi-cylinder opposed piston engine (100) can include one or more sensors, such as oxygen or nox sensors (132, 134, 136, 138, 142), for each cylinder (103) of the multi-cylinder opposed piston engine (100). The sensors (132, 134, 136,...  
WO/2018/055128A1
It is proposed a method for determining a quantity of a liquid in a tank, the tank comprising: a first ultrasound subsystem capable of measuring level of liquid present above a predetermined threshold level within the tank; and at least ...  
WO/2018/054912A1
The invention relates to a method for checking at least one component of an exhaust gas after-treatment system (1), in particular of an SCR catalytic converter (2), of an HWL metering system (3) and/or of at least one NOx sensor (4), whe...  
WO/2018/050354A1
The invention relates to a method for operating a catalyst device in a motor vehicle. The catalyst device converts at least one exhaust gas component using at least one catalyst material, and electric properties of the catalyst device ar...  
WO/2018/046811A1
The invention relates to a method for assisting with the regeneration of a diesel particulate filter (3) in an exhaust line (1) of an internal combustion engine (2) of a motor vehicle. Driver profiles are defined and it is estimated how ...  
WO/2018/044770A1
An RF emissions sensing system including RF sensors for transmitting/receiving RF signals to and from engine system emission control components, a control unit for collecting/processing information from the RF signals and controlling sys...  
WO/2018/041502A1
The invention relates to a method for detecting the ready-to-measure state of a particle sensor of an internal combustion engine during diagnostics performed on a particle filter. The method comprises detecting a theoretical particle mas...  
WO/2018/036686A1
The invention relates to a method for controlling the quality of a reducing agent solution for an SCR catalyst with a nitrogen oxide regulator. At the start of the method, the SCR catalyst is set to a predetermined nitrogen oxide convers...  
WO/2018/033358A1
The invention relates to a method for detecting a blocked pressure line in an SCR system of an internal combustion engine. The SCR system comprises a feed pump, a dosing module and a pressure sensor. The method comprises the following st...  
WO/2018/029230A1
The invention relates to a diagnostic method for checking the functionality of a component for exhaust-gas aftertreatment of an internal combustion engine. For this purpose, in an internal combustion engine, a secondary air supply is pro...  
WO/2018/019759A1
The invention relates to a particle sensor (100) for detecting the amount of particles in a gas flow in an internal combustion engine. The particle sensor (100) comprises a housing (110) in which a measuring area (120) is arranged, an es...  
WO/2018/019757A1
The invention relates to a particle sensor (100) for detecting the amount of particles in a gas flow in an internal combustion engine. The particle sensor (100) comprises a housing (110), in which a measuring region (120) is arranged, a ...  
WO/2018/015158A1
A method for controlling an internal combustion engine (10) as a function of an anticipated value of a temperature of a component (44, 46) of an exhaust gas system (12) is presented, wherein values of exhaust gas temperatures (TE1) are a...  
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...  

Matches 1 - 50 out of 2,163