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Matches 1 - 50 out of 2,183

Document Document Title
WO/2018/127633A1
The invention relates mainly to a method for protecting a particle filter (51) in an exhaust line (1) of an internal combustion engine (2), in particular of a motor vehicle, including a selective catalytic reduction system and a particle...  
WO/2018/127638A2
The invention relates to a method for cleaning a solid urea deposit from an exhaust system (1) of a vehicle internal combustion engine (2), said exhaust system (1) being provided with a particulate filter (52) and a selective catalytic r...  
WO/2018/119201A1
Systems, apparatuses and methods for systematically executing a diagnosis and fault isolation of a failure condition for an engine during a cranking test of the engine. Examples of the failure condition include, but are not limited to, c...  
WO/2018/114419A1
A method of treating exhaust gas in an exhaust passage using a selective catalytic reduction system is provided. The system comprises a hydrolysis catalyst (18) in the passage (12) upstream of a SCR catalyst (20), and a diesel exhaust fl...  
WO/2018/108775A1
The invention relates to a method for operating an electrically heatable catalytic converter in an exhaust gas system of a combustion engine having at least one honeycomb body, through which an exhaust gas stream can flow, and having at ...  
WO/2018/111761A1
A system for diagnosing an improper reductant concentration includes: a selective catalytic reduction (SCR) catalyst unit, a doser configured to dose reductant into a chamber of the SCR catalyst unit, a reductant concentration sensor, an...  
WO/2018/106771A1
An apparatus includes a processing circuit structured to receive a first signal indicative of an upstream air-fuel equivalence ratio from a first sensor positioned upstream of an intake of a catalyst, receive a second signal indicative o...  
WO/2018/104425A1
A method for operating an internal combustion engine (10) that can be operated with gasoline is proposed. The method is distinguished by the fact that, to check the functionality of a four-way catalytic converter (26) through which the e...  
WO/2018/104155A1
The invention relates to a method for checking a loading state of a particle filter (1) in an exhaust line (2) of an internal combustion engine (3), wherein the exhaust line (2) has at least the particle filter (1), a first lambda probe ...  
WO/2018/104296A1
The present invention relates to a method for monitoring a sensor function of a sensor (10) in an ego vehicle (1, 1a). The method comprises comparing (62) sensor data (100) from the sensor (10) with comparison data (4a, 4b, 4c, 4d) from ...  
WO/2018/102306A1
A process for controlled heating of a sensor of an aftertreatment system comprising accessing several parameters, including an exhaust mass flow, an outlet temperature, an ambient air temperature, and an ambient air velocity, calculating...  
WO/2018/096292A1
The subject of the present invention is a process for optimizing a removal of nitrogen oxides from the gases in an engine exhaust line performed according to a selective catalytic reduction by injecting an amount of a reducing agent into...  
WO/2018/091129A1
The invention relates to a method for operating an exhaust gas aftertreatment system (3) of an internal combustion engine (1), wherein at least one operating parameter is detected during the operation of the exhaust gas aftertreatment sy...  
WO/2018/088552A1
Around an image capturing unit which captures images of an inspection target region from a normal line direction thereof, a plurality of unit lights, which are at equiangular intervals from one another, and each of which radiates illumin...  
WO/2018/077526A1
The invention relates to a method for operating a pressurized metering system, comprising a conveyor module, a metering valve and a pressure sensor, wherein, during a pressure control, an adaptation of the control of the metering valve t...  
WO/2018/078075A1
The present application relates to a system and method to determine a total flow rate Qtot of a washing liquid at a washing liquid inlet of an exhaust gas cleaning unit installed in a marine vessel, the exhaust gas cleaning unit comprisi...  
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/2018/063973A4
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/2018/063973A1
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/2018/029230A8
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/2018/029230A1
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 ...  

Matches 1 - 50 out of 2,183