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Matches 1 - 50 out of 3,323

Document Document Title
WO/2019/170623A1
The invention relates to a method for operating an Otto engine (10), in which, when air is passing around the Otto engine (10) it is introduced into an exhaust tract (28) through which exhaust gas of the Otto engine (10) can flow, wherei...  
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/2019/166527A1
The invention relates to an exhaust gas purifying unit 1 for a motor vehicle, said unit having: a housing 1.1 comprising an inlet opening 1.2 and at least one first outlet opening 1.3; two housing segments G1, G2, through which two exhau...  
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/2019/140477A1
The invention relates to a method for controlling the pressure of the exhaust gas of a work machine (2), in particular an internal combustion engine. The exhaust gas is discharged from the work machine (2) via an exhaust gas line (20), a...  
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/2019/121690A1
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/2019/115892A1
The invention relates to a system for controlling the temperature of a catalyst of an exhaust line of a hybrid vehicle, comprising a catalyst having a light-off temperature from which said catalyst is in an active mode in which said trea...  
WO/2019/115891A1
Said system for controlling the temperature of a catalyst of a hybrid vehicle exhaust line comprises a catalyst having a light-off temperature (Ta) from which the catalyst is in the active mode, wherein a treatment of the exhaust gases i...  
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/2019/091661A1
The invention relates to a method for operating a particle filter (1) of a vehicle, in which ash is introduced into a filter body (3) of the particle filter (1) in which at least one ash former (8) is combusted. The ash is formed in the ...  
WO/2019/086201A1
The invention relates to a method for the regeneration of a soot particle filter (9), which is arranged on the outlet side of an internal combustion engine (1), said method comprising the following steps: detecting a loading value of the...  
WO/2019/086161A1
The invention relates to an exhaust tract (12) for an internal combustion engine (2), having at least one first exhaust gas purification element (16) and a second exhaust gas purification element (20) arranged downstream of the first exh...  
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/2019/076686A1
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/2019/076807A1
The invention relates to a method for operating an internal combustion engine (10) of a motor vehicle (56), which comprises an exhaust gas system (16) through which exhaust gas from at least one combustion chamber (14) of the internal co...  
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/2019/072753A1
The invention relates to an exhaust gas aftertreatment system of a diesel engine. The raw exhaust gas emissions and/or the heating of an SCR catalyst during the warm-up phase of the diesel engine after the engine is started are controlle...  
WO/2019/068313A1
The invention relates to a process, consisting in cooling at least one component (10), such as a sensor, arranged within a compartment (6) of an exhaust after treatment system (5) of a vehicle. The exhaust after treatment system (5) comp...  
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/2019/058043A1
The invention mainly relates to a method for controlling a heat engine (10), in particular of a motor vehicle, characterised in that it comprises: 〮 - a step of measuring a quantity of particles accumulated in the particle filter (16) ...  
WO/2019/058040A1
The invention relates to a method for regenerating a particulate filter (16) for a heat engine (10) laden with soot, said heat engine (10) being connected to an exhaust line (12) comprising said particulate filter (16), characterized in ...  
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/2019/042069A1
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/2019/046182A1
An apparatus includes an internal information circuit structured to receive internal information of a vehicle; a static information circuit structured to receive static information external to the vehicle; a dynamic information circuit s...  
WO/2019/030132A1
An antenna for a radio-frequency system (200) for exhaust gas aftertreatment for a motor vehicle comprises: – an antenna element (119) for transmitting and/or receiving microwaves (103), wherein – the antenna element (119) is able to...  
WO/2019/025870A1
A diesel exhaust system includes multiple injectors for providing diesel exhaust fluid to an exhaust to reduce NOx emissions. Two or more injectors provide DEF to the exhaust system of an engine. In one mode, the injectors alternately in...  
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/2019/019046A1
An injection amount control method and device for an SCR urea injection system in an engine. The method comprises: calculating, on the basis of an amount of an injected aqueous urea solution and an amount of consumed ammonia, a current a...  
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/2019/011842A1
The invention relates to an exhaust gas aftertreatment system for an internal combustion engine (10), in particular for an internal combustion engine (10) which is charged by means of a turbocharger (30) and spark-ignited by means of spa...  
WO/2019/012196A1
The invention relates to a method for estimating a charge of particulate soot in a combustion engine particulate filter, in which method: – a pressure gradient (d Pd V) is estimated by linear regression over a number of pairs of back-p...  
WO/2019/008057A1
A method of adaptively sampling data to determine the start of injection in a solenoid actuated valve of a fluid injector comprising : a) in an operating cycle or portion thereof of said valve, sampling the signal of current I through a ...  
WO/2019/001721A1
The present invention relates to a method for controlling a vehicle propulsion system. More particularly, the method estimates a future, upcoming driving condition (310) and controls the vehicle propulsion system to operate the prime mov...  
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/2018/219476A1
The invention relates to a method for controlling the temperature of an NOx controlling component (10) in an exhaust after treatment system (1, 1') of an internal combustion engine (100). The NOx controlling component (10) has inner surf...  
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/2018/211186A1
The invention relates to a method for determining the transition to the zero liquid water state, called dew point, in an exhaust line of an internal combustion engine, characterised in that: - the calorific energy (Ecal) present in the e...  
WO/2018/200623A1
Systems and methods for removing accumulated soot in an aftertreatment system for an engine are disclosed herein. A method includes receiving an indication that an engine of a vehicle has been operating in a low load condition for more t...  
WO/2018/188379A1
A method for segmented voltage buildup of a tail gas post-processing system, at least comprising the following steps: S0: a step of determining whether an engine is started or not, and if the engine is started, executing step S1; S1: a f...  

Matches 1 - 50 out of 3,323