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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)...
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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...
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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...
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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...
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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 (...
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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...
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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 ...
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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...
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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...
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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.
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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