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Matches 1 - 50 out of 2,342

Document Document Title
WO/2019/219358A1
The invention relates to a method for determining a state of an exhaust gas treatment element (100) for a motor vehicle, comprising: - determining an operational state of an internal combustion engine (130) of the motor vehicle, - transm...  
WO/2019/215398A1
The invention relates to a process for dynamic monitoring of the flow rate of liquid additive consumed by a liquid additive injector of a motor vehicle exhaust gas treatment system. The measurement (302) of the pressure of the liquid, fi...  
WO/2019/216900A1
A method is provided for determining exhaust mass flow through a diesel particulate filter (DPF) in an engine arrangement including an engine and an exhaust after treatment system (EATS) comprising the DPF. The method comprises determini...  
WO/2019/214771A1
One aspect of the invention relates to a measuring device for the determination of an ash loading of a particulate filter for an internal combustion engine of a motor vehicle, wherein a regeneration operation of the particulate filter is...  
WO/2019/216901A1
A method and system are provided for assessing engine faults. The method includes measuring actual diesel particulate filter (DPF) soot loading, determining expected DPF soot loading, aid determining that a possible engin component fault...  
WO/2019/209162A1
A method and a system for determination of a formation of solid deposits of a reducing agent on an inner wall of an evaporation unit are presented. The method includes - determining a representation of a model temperature Tmodel- i for a...  
WO/2019/209163A1
A method and a system for control of an activation of at least one fluid sensitive sensor of an exhaust treatment system arranged for treating an exhaust stream from an engine are presented. The method includes: - determining at least on...  
WO/2019/209161A1
A method, a system, a computer program and a computer-readable medium for control of dosage of a reducing agent into an exhaust stream from an engine are disclosed. The method method includes: - determining at least one sensor signal SNO...  
WO/2019/206610A1
The invention relates to a method for operating an internal combustion engine, wherein a 3-way catalytic converter with lambda control is arranged in the drive train thereof. A particularly rapid and precise lambda control is carried out...  
WO/2019/207333A1
A transport refrigeration unit (TRU) is provided and includes a power generation unit, a catalytic element, a tubular element fluidly interposed between the power generation unit and the catalytic element and a control System. The contro...  
WO/2019/175188A1
The invention relates to a method for determining the presence and the operation of a particle filter (18) of a controlled-ignition internal combustion engine, said internal combustion engine producing exhaust gases at a variable flow ra...  
WO/2019/172875A1
An exhaust filtration system comprises a first pressure sensor and a second pressure sensor, each configured to measure pressure in the exhaust filtration system under low-flow conditions. The exhaust filtration system comprises a third ...  
WO/2019/173617A1
A controller configured to be operatively coupled to a reductant insertion assembly comprising a first pump for inserting a reductant into a selective catalytic reduction system, is programmed to set an insertion interval timer for the f...  
WO/2019/166547A1
A diagnostic method for detecting discontinuities in a continuous measurement variable, comprising: capturing an input signal (I), testing a discontinuity criterion (BD) on the basis of the input signal (I), when the discontinuity criter...  
WO/2019/158211A1
The present invention relates to an internal combustion engine arrangement (100, 00') comprising: a combustion cylinder provided with a reciprocating piston movable between a top dead center (TDC) and a bottom dead center (BDC) within th...  
WO/2019/160551A1
A system for determining an exhaust flow rate of an exhaust gas produced by an engine comprises a first sensor configured to measure an amount of NOx gases in the exhaust gas. A controller is communicatively coupled to the first sensor. ...  
WO/2019/154637A1
The invention relates to a method for determining a state of an exhaust gas treatment element (100) for a motor vehicle, the exhaust gas treatment element (100) having a filter (106) with a storing and/or catalytic coating (107), and the...  
WO/2019/152294A1
A connectivity system includes an engine control module, a pump assembly remote from the engine control module, and a connectivity unit mounted to the pump assembly. The connectivity unit is communicatively coupled to the engine control ...  
WO/2019/149432A1
The invention relates to a device and a method for regulating an internal combustion engine (100) comprising a catalytic converter (102), according to which: at least one control variable for the internal combustion engine (100) is deter...  
WO/2019/149552A1
The invention relates to a method for determining a status of a microwave antenna (103) of an exhaust gas treatment element (100) for a motor vehicle, comprising the following steps: specifying a frequency range (200) that is representat...  
WO/2019/143595A1
A radio frequency sensor system comprising a housing defining a resonant cavity. Radio frequency probe(s) in the cavity transmit and/or receive radio frequency signals. A radio frequency control unit is in communication with the radio fr...  
WO/2019/141917A1
The invention relates principally to a method for conformity control on installation of a differential pressure sensor (17) comprising a pressure tapping (18) and a pressure tapping (19) respectively upstream and downstream of a particle...  
WO/2019/137926A1
The invention relates to a device for heating an exhaust gas after-treatment unit in a vehicle which, besides a combustion engine, also comprises an electric motor as a drive source, wherein at least one electric heating element (1, 7) i...  
WO/2019/125380A1
An aftertreatment system includes: a selective catalytic reduction (SCR) system configured to decompose constituents of exhaust gas; an exhaust conduit configured to deliver the exhaust gas to the SCR system; a hydrocarbon insertion asse...  
WO/2019/123712A1
Provided is a desulfurization system for ships, the desulfurization system being provided with a generator provided in a ship separately from a main engine and having a generator engine; an auxiliary boiler generating a working fluid to ...  
WO/2019/121690A1
A method for complying with a legal limiting value for at least one material which is emitted during the operation of a motor vehicle with a drive system with an internal combustion engine, wherein a mass of at least one material which i...  
WO/2019/121019A1
An exhaust gas aftertreatment system includes a dosing module that includes an injector having a discharge opening and configured to inject a reducing agent into a duct of the exhaust gas aftertreatment system, a metering valve that mete...  
WO/2019/118217A1
An assembly for reductant dosing error correction in an exhaust aftertreatment system includes an injector comprising a reductant insertion conduit; a pump configured to advance a quantity of dosed fluid reductant from a reductant source...  
WO/2019/105859A1
The invention relates to a method for operating an exhaust gas aftertreatment system of an internal combustion engine and to a corresponding exhaust gas aftertreatment system. The method relates to the checking of an SCR particle filter ...  
WO/2019/102707A1
This anomaly determination device comprises: an exhaust temperature sensor (166) which is disposed downstream of a particulate filter (150) provided in an exhaust passageway (130) into which exhaust gas from a gasoline engine (120) is di...  
WO/2019/091755A1
The invention relates to a system for exhaust-gas treatment for a motor vehicle having: a first exhaust-gas treatment element (101), a second exhaust-gas treatment element (102), a common housing (103), in which the first exhaust-gas tre...  
WO/2019/086333A1
Disclosed is a method for operating an exhaust gas system (1) that can be placed downstream of an internal combustion engine (2) and includes, along a direction of flow (2) of an exhaust gas (4), a first exhaust gas treatment device (5),...  
WO/2019/081826A1
The invention mainly concerns a method for estimating the soot loading of a particulate filter (16) of a heat engine (10) linked to an exhaust line (12), characterised in that it comprises: a step of measuring or estimating a flow rate o...  
WO/2019/082823A1
In the present invention, an ECU (40) stores and retains, in a storage unit (44), NOx information relating to: NOx in exhaust flowing through an exhaust system of a vehicle-mounted engine (10, 200) in a vehicle; or to NOx purification by...  
WO/2019/076686A1
The invention relates to a method for determining an NOx concentration and an NH3 slip downstream of an SCR catalyst (3) of an internal combustion engine (1) of a vehicle. For this purpose, status variables of an internal combustion engi...  
WO/2019/076685A1
The invention relates to a method for determining emissions (50) from a motor vehicle (10) driven by means of an internal combustion engine (20) during actual driving (real driving emissions), in which method a machine learning system is...  
WO/2019/076808A1
The invention relates to a method for operating a mixed potential sensor for detecting a content of oxidisable gases, wherein the mixed potential sensor is operated at a predefined measuring temperature during a measuring phase. In order...  
WO/2019/073280A1
A diagnostic system (10) is provided and includes a sensor (24) disposed downstream from an exhaust gas aftertreatment system. Also included in the diagnostic system (10) is a central diagnostic unit (35) configured to diagnose a condens...  
WO/2019/072725A1
The invention relates to a method for operating a diesel engine (1), wherein the NH3 concentration is measured in the exhaust tract (2) downstream of a diesel particle filter (4) combined with an SCR system, and to a corresponding diesel...  
WO/2019/068851A1
The invention relates to a method for operating exhaust gas post treatment system of a diesel engine and associated exhaust gas post treatment system. The system has two NOx sensors upstream and downstream of a SCR catalytic converter. T...  
WO/2019/063301A1
The present invention relates to a method for operating a catalyst arrangement (100) of an internal combustion engine and a catalyst arrangement (100). The catalyst arrangement (100) includes an exhaust gas sensor (130) having a sensor e...  
WO/2019/059837A1
The invention relates to a method for diagnosing an emission control arrangement for a combustion engine (231) in operation, comprising at least a first SCR configuration (260) and a second SCR configuration (270) arranged in a series Th...  
WO/2019/059823A1
The invention relates to a method for diagnosing functionality of dosing units of a fluid dosing system comprising at least two dosing units (237a; 237b; 237c), a tank unit (205) for holding a fluid and a pump unit (230) for pressurizing...  
WO/2019/059824A1
The invention relates to a method for adapting control of a reducing agent dosing unit (237) in a reducing agent provision system for emission control of a combustion engine (231). Hereby characteristics relating to pressure variations a...  
WO/2019/053361A1
The invention concerns a method for preventing a risk of freezing in a reducing-agent feeding device of a system for selective catalytic reduction in an exhaust line (10), a freezing temperature specific to the agent being stored, the sy...  
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...  

Matches 1 - 50 out of 2,342