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Matches 1 - 50 out of 2,238

Document Document Title
WO/2019/048754A1
The invention relates to a method for protecting a particulate filter in an exhaust line against the risk of at least partial melting (Fus) of the filter during filter regeneration, an initial increase in the temperature in the filter, r...  
WO/2019/044849A1
A determination method for a DPF comprises: an acquisition step in which heat damage information, which indicates the extent of heat damage to a DPF (20) that is mounted in a first work machine (1) and that includes a DOC (22) and a CSF ...  
WO/2019/042069A1
An integrated wireless tail gas monitoring apparatus comprises: a tail gas sensor, used for detecting tail gas information to be exhausted by an engine to the atmosphere; and a wireless communication module (20b) integrated in a controll...  
WO/2019/039481A1
A NOx storage-reduction catalyst (21) is provided in an exhaust passage of an internal-combustion engine (10) and purifies NOx in exhaust. Ozone supply devices (32, 33) supply ozone to an upstream side of the catalyst, in the exhaust pas...  
WO/2019/033134A1
The invention relates to a method and to an arrangement of an internal combustion engine (1) with an exhaust-gas aftertreatment system (2) and a preheating apparatus (3), wherein the preheating apparatus (3) is designed to preheat at lea...  
WO/2019/034606A1
A method for operating an exhaust gas aftertreatment system of an internal combustion engine (1) and an exhaust gas aftertreatment system are described. The internal combustion engine (1) has a turbine wheel (5) of an exhaust gas turboch...  
WO/2019/030128A1
The invention relates to a method for determining a state of an exhaust gas treatment element (100) for a motor vehicle comprising: transmitting microwaves (104) into a housing (102) of the exhaust gas treatment element (100) during a ti...  
WO/2019/025186A1
The exhaust gas (1) to be analyzed is conducted untreated through a first measurement chamber (13) and, after treatment in an oxidation device (23), through a second measurement chamber (16). In the oxidation device (23), ozone is produc...  
WO/2019/025129A1
The invention relates to a method and an SCR catalyst device for ascertaining the state of load of an SCR catalyst (110) located in an exhaust system of an internal combustion engine. The method of the invention involves acquiring the hy...  
WO/2019/025236A1
The invention relates to a particle sensor (100; 100a; 100b; 100c; 100d) comprising a main body (110), a particle charging device (120) for charging particles in a fluid flow (A1) flowing over a first surface (110a) of the main body (110...  
WO/2019/020901A1
In a method for adapting an amount of reductant for controlling the nitrogen oxide pollution of gases in an exhaust line, a first alignment (1) of the amount of measured nitrogen oxides is carried out (Mcam SD, MCav SD) by the upstream a...  
WO/2019/020900A1
The present invention relates to a method for analysing the operation of an anti-pollution system for a motor vehicle (1) with an internal combustion engine, said vehicle (1) comprising at least one sensor for measuring (110) a parameter...  
WO/2019/016437A1
The invention concerns a method for launching a dysfunctional regeneration of a particle filter incorporated in an exhaust line of a controlled-ignition combustion engine of a motor vehicle, the method comprising a step of estimating a c...  
WO/2019/011497A1
The invention relates to a device for measuring the concentration of a reductant, in particular urea, in a solution, comprising at tank housing (2) for storing the solution in an interior (2b) of the tank housing (2); a sensor device (1)...  
WO/2019/011612A1
The invention relates to a method for determining a state of an exhaust gas treatment element (100) for a motor vehicle, comprising: - emission of microwaves (112) in a housing (102) of an additional exhaust gas treatment element (101) a...  
WO/2019/000058A1
This is a product pertaining to the field of motor vehicles. The present subject matter relates to a warning device for vehicles in general, which advises the user of the correct time to replace a catalytic converter prior to expiry of t...  
WO/2019/005668A1
A process for detecting reductant deposits includes accessing data indicative of signal output from a radiofrequency sensor positioned proximate a decomposition reactor tube; comparing the data indicative of signal output from the radiof...  
WO/2018/224220A1
The invention relates to a method for determining a status of an exhaust gas treatment element (100) for a motor vehicle, comprising the following steps: transmitting microwaves (112) of different frequencies in a first frequency range (...  
WO/2018/219824A1
The invention relates to a method for determining the resonance frequency of an exhaust-gas aftertreatment system (2). A high-frequency excitation signal is produced with a frequency (f) that varies over a pre-defined frequency range and...  
WO/2018/214861A1
A burner diesel particulate filter (DPF) regeneration control and diagnostic device comprises: a diesel engine (101), connected to a burner (102) and a fuel tank (108); the burner (102) is connected to a particulate controller (107) via ...  
WO/2018/193174A1
The invention relates mainly to a method for determining the ageing of a catalytic converter equipping an exhaust line, in particular of a motor vehicle, said exhaust line being equipped with oxygen probes upstream and downstream from th...  
WO/2018/188997A1
The invention relates to an exhaust gas sensor, in particular a particle sensor, comprising a sleeve-shaped sensor housing (12), a sensor element (14), which is fixed in the sensor housing (12) and which protrudes beyond the sensor housi...  
WO/2018/184921A1
Method and system for the removal of nitrogen oxides, volatile organic compounds and particulate matter from engine exhaust gasat cold start conditions.  
WO/2018/185314A1
A method of detecting a valve opening or closing event in a solenoid operated reductant injector valve comprising the steps of: a) applying a voltage to said solenoid to actuate said valve, said voltage having a chopped waveform; b) samp...  
WO/2018/183684A1
A system is provided for automatically shutting down an engine of a portable or handheld device in response to the engine operating while in an enclosed space, such as a garage, shed, room, etc. to prevent dangers associated with carbon ...  
WO/2018/177897A1
The invention relates to a method and a computer program product for identifying an absent or defective particle filter in an exhaust gas treatment system of an internal combustion engine, in particular a petrol engine, wherein in order ...  
WO/2018/166677A1
The invention relates to a method for operating a sensor (10) which has a sensor element (12) with a pump cell (36) and a Nernst cell (40). A Nernst voltage (Uvs) of the Nernst cell (40) is regulated; a measurement signal of the sensor e...  
WO/2018/165074A1
Method and apparatus for monitoring and/or detecting combustion misfire events in periodic combustion processes in internal combustion engines, using combustion signals derived from a first oxygen sensor exposed to exhaust gas of a perio...  
WO/2018/147885A1
An exhaust aftertreatment system includes a first stage catalytic converter, a second stage catalytic converter, and a conduit extending from the first stage catalytic converter to the second stage catalytic converter. The conduit passes...  
WO/2018/138314A1
A waste heat recovery system (12) for an engine exhaust system (14), the waste heat recovery system (12) being controlled by an energy management system (70). The waste heat recovery system (12) comprises an inlet for receiving hot exhau...  
WO/2018/138245A1
The invention relates to a control method that allows the mean quantity of nitrogen oxides per kilometre covered emitted by a vehicle fitted with an internal combustion engine associated with a post-treatment system to be kept below a pr...  
WO/2018/136408A1
A system structured to measure at least one of particulate matter or ammonia in an exhaust aftertreatment system. The system includes a selective catalytic reduction catalyst, a doser disposed upstream of the selective catalytic reductio...  
WO/2018/130459A1
The invention relates to a method and a device, in particular a diagnostic unit for load diagnosis of a particle filter as a component of an exhaust gas cleaning system in the exhaust train of an internal combustion engine. Said method i...  
WO/2018/132059A1
The invention relates to a method for determining a cause for impaired performance of a catalytic configuration for emission control of exhaust gas of a combustion engine (231), said catalytic configuration being arranged for NOx-convers...  
WO/2018/127638A3
The invention relates to a method for cleaning a solid urea deposit from an exhaust system (1) of an internal combustion engine (2), said exhaust system (1) being provided with a particulate filter (52) and a selective catalytic reductio...  
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...  

Matches 1 - 50 out of 2,238