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Matches 151 - 200 out of 2,703

Document Document Title
WO/2020/108991A1
The invention relates to an exhaust-gas aftertreatment system (48) of compact construction for an internal combustion engine (24), having at least one component (34, 54) which has a catalytic SCR function and which is accommodated betwee...  
WO/2020/099005A1
The invention relates to a method for blocking a regeneration of an exhaust gas particulate sensor of a motor vehicle. A probability of success of the regeneration is calculated in said method (43, 52). The regeneration is blocked when t...  
WO/2020/102467A1
The present invention relates to a computer-implemented method for monitoring at least one exhaust gas purification system for purifying an exhaust gas stream to be purified of an industrial system or an industrial process. The method co...  
WO/2020/086326A1
A system and method that forwards information concerning the condition of the particulate filter (14) in each fleet vehicle to a remote station (56). This information is sorted (114) and displayed (62) to a human operator, who then makes...  
WO/2020/083859A1
The invention relates to a method for exhaust gas aftertreatment in a petrol engine (10) and to an exhaust gas aftertreatment system. In the method, two catalysts (2.3) arranged in the exhaust gas tract (1) of the petrol engine (10) are ...  
WO/2020/074267A1
The invention relates to a method for actuating a heating device (140) in the exhaust section of an internal combustion engine (100). The method has the steps of (a) determining (S110, S114) a temperature value in a component of the exha...  
WO/2020/074271A1
The invention relates to a method for actuating a heat source (100, 140) for a component (130) of an exhaust section of a drive (100) of a motor vehicle. The method has the steps of (a) providing (S103) information on a future travel rou...  
WO/2020/074268A1
The invention relates to a control system (10) for regenerating a particle filter (20) in an exhaust gas flow for an internal combustion engine (31), in particular for an internal combustion engine (31) of a hybrid vehicle (30). The cont...  
WO/2020/074292A1
The invention relates to a catalytic converter (35) having a total catalysis region (42) for catalytically treating the exhaust gas of the internal combustion engine (10). Two electric heating elements (40, 41) are provided which are arr...  
WO/2020/074283A1
The invention relates to a control system and a method for reducing the cooling of a catalytic converter, in particular for a hybrid vehicle. The control system (100) has an internal combustion engine (310) and an electric machine (320)....  
WO/2020/069720A1
The invention relates to a method to control an internal combustion engine. The internal combustion engine comprises a cylinder, an exhaust guide arranged to guide an exhaust flow from the cylinder through a turbine, and a bypass guide a...  
WO/2020/069549A1
The invention relates to a petrol engine arrangement and to a method for operating the petrol engine arrangement, wherein the petrol engine arrangement comprises a petrol engine (1) and an exhaust gas aftertreatment system (2) having a m...  
WO/2020/069548A1
The invention relates to a method for operating a spark ignition engine arrangement and to a spark ignition engine arrangement, the spark ignition arrangement comprising a spark ignition engine (1) and an exhaust gas aftertreatment syste...  
WO/2020/069551A1
The invention relates to a method and a petrol engine arrangement, wherein: the petrol engine arrangement comprises a petrol engine (1) and an exhaust gas aftertreatment system (2); the exhaust gas aftertreatment system (2) comprises at ...  
WO/2020/069721A1
The invention relates to a method to control an internal combustion engine. The internal combustion engine comprises a cylinder, an air guide arranged to guide an airflow to the cylinder, an exhaust guide arranged to guide an exhaust flo...  
WO/2020/065145A1
A pollution-control device (DD) is fitted to an exhaust line (LE) of a vehicle with a petrol engine (MT) and comprises: a first catalytic converter (CT1) of the three-way type, connected to an upstream part (P1) of the exhaust line (LE) ...  
WO/2020/068111A1
An aftertreatment system comprises a SCR system, a first filter, and a second filter disposed downstream of the first filter and a bypass conduit providing a flow path bypassing the second filter. A valve is operatively coupled to the by...  
WO/2020/065146A1
The present invention relates to a method for controlling a heat engine based on the determination of a pressure drop (ΔΡ) generated by a particle filter coupled to the heat engine. The method comprising: - estimation of the pressure d...  
WO/2020/052861A1
The invention relates to a sensor (10) for determining at least one parameter of a fluid medium flowing through a measurement channel (30), particularly of an intake air mass flow of an internal combustion engine. The sensor (10) compris...  
WO/2020/044315A1
Systems, methods, and computer readable storage media for controlling oxidation of a particulate filter (PF) are disclosed. The oxidation of the PF may be controlled using a PF model. The PF model may be utilized to simulate operations o...  
WO/2020/043965A1
The invention relates to a method for correcting an estimation of soot loading (M) of a particulate filter, the estimation of the soot loading (M) being performed by a counterpressure model based on a current counterpressure exerted by t...  
WO/2020/043961A1
The invention relates to a method for estimating the soot load of a particulate filter in an exhaust gas duct of an internal combustion engine, comprising the following steps: modeling the particulate filter into a plurality of zones, de...  
WO/2020/037346A1
The invention relates to a method for improving the efficiency of an SCR system of an exhaust gas aftertreatment system (5) of an internal combustion engine (1), and to an internal combustion engine (1), wherein an operating medium is me...  
WO/2020/030560A1
The invention relates to an exhaust gas aftertreatment system for an internal combustion engine. The exhaust gas aftertreatment system comprises an engine control device (50) and an exhaust gas system (20), in which, in the flow directio...  
WO/2020/025185A1
The invention relates to a method for controlling the temperature in the exhaust gas tract of an internal combustion engine, in which a plurality of catalysts are arranged, wherein at least two temperature control circuits are used for c...  
WO/2020/025866A1
The invention relates mainly to a method for correcting a response time of a measurement probe (11). The method comprises: a step of measuring a real signal using the probe (11) in order to obtain a filtered signal containing a response ...  
WO/2020/009965A1
Improved systems and methods for dosing agent injection adaptation for a selective catalytic reduction (SCR) system of an engine of a vehicle involve an adaptation procedure that is generally divided into distinct phases based upon the r...  
WO/2020/010066A1
A reductant insertion system for inserting reductant into an aftertreatment system via a reductant injector comprises a reductant insertion assembly comprising a pump operatively coupled to the reductant injector via a reductant delivery...  
WO/2020/000009A1
Method for operating a petrol engine arrangement, and a petrol engine arrangement, wherein the petrol engine arrangement comprises a petrol engine (1) and an exhaust gas aftertreatment system (2) with a petrol engine particulate filter (...  
WO/2020/001768A1
A method for controlling an exhaust treatment system (20) of an internal combustion engine (10), the exhaust treatment system (20) comprising an exhaust gas passage (22), an SCR catalyst (26) and a diesel exhaust fluid DEF injection syst...  
WO/2020/000010A1
The invention relates to a method for operating a petrol engine arrangement in an operating phase which comprises a normal operating phase and an overrun operating phase, and to a petrol engine arrangement, wherein the petrol engine arra...  
WO/2019/234471A1
A transport refrigeration unit (TRU) is provided and includes a power generation unit, a catalytic element, an exhaust pipe, first and second tubular elements fluidly interposed between the power generation unit and the catalytic element...  
WO/2019/229027A1
The invention relates to a method for managing the lightoff of a 3-way catalytic converter placed in an exhaust line of a petrol engine, said engine comprising cylinders each provided with at least one exhaust valve. The main characteris...  
WO/2019/222778A1
The invention relates to a method for controlling an exhaust-gas aftertreatment system (1) of an exhaust-gas stream of an internal combustion engine (3), wherein an aftertreatment fluid, preferably comprising urea, is injected into the e...  
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/2019/219186A1
The invention concerns a method for controlling regeneration of an exhaust gas aftertreatment system (7, 8) of an internal combustion engine (4) arranged on a vehicle (1), wherein the vehicle (1) is provided with a control system configu...  
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/2019/209162A1
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/2019/206559A1
The invention relates to a vehicle drive (1) and to a control means (24) for the aftertreatment of exhaust gases (10) of an internal combustion engine (2) in an exhaust gas system (8), wherein the control means (24) has a mixture setter ...  
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/2019/203453A1
The present invention relates to a reducing agent supply device of an SCR system for nitrogen oxide treatment. The objective of the present invention is to provide a reducing agent supply device of an SCR system for nitrogen oxide treatm...  
WO/2019/199163A1
A short cyclic thermal treatment process in an engine aftertreatment system of a diesel engine in a vehicle, which may be able to recover and/or retain NOx conversion performance of an engine aftertreatment system by keeping the system c...  
WO/2019/185215A1
The invention relates to a device (16) for providing an ammonia-comprising exhaust gas aftertreatment agent for an exhaust gas stream of an internal combustion engine (2) upstream of a catalyst (6), wherein the device (16) has a chamber ...  
WO/2019/183864A1
A selective catalytic reduction (SCR) information processing system comprises: an information receiving module configured to input information related to the exhaust gas SCR system of a vehicle; and an information processing module confi...  
WO/2019/177522A1
The invention relates to a method for controlling operation of a dosing unit (237) of a fluid dosing system comprising an electrically controlled valve unit having a coil (292) arranged for shifting said valve unit between an open state ...  
WO/2019/177521A1
The invention relates to a method for controlling a dosing unit (237) of a fluid dosing system comprising an electrically controlled valve unit having a coil (292) arranged for shifting the valve unit between an open state (OS) and a clo...  

Matches 151 - 200 out of 2,703