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WO/2021/150155A1 |
The present invention relates to a method for adaption of an exhaust treatment system arranged for treating an exhaust stream (42) produced by an engine (14), where the exhaust treatment system includes at least a first additive dosage d...
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WO/2021/139970A1 |
The invention proposes a method for regenerating a particle filter mounted in the exhaust system of a spark ignition internal combustion engine of a motor vehicle, the method comprising a first mode of active conventional regeneration wi...
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WO/2021/132902A1 |
The present invention relates to an apparatus for monitoring an exhaust gas, and provides an apparatus for monitoring an exhaust gas, the apparatus being capable of remotely monitoring, in real time, carbon monoxide, nitrogen oxide, fine...
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WO/2021/115744A1 |
The invention relates to a method (200) for optimising the state of a catalytic converter (130) in a vehicle with a diesel engine when parking the vehicle, said method comprising: (a) establishing (210) that a switch-off process for swit...
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WO/2021/111049A2 |
The invention relates to a method for limiting the production of pollutants, in particular fine particles, by a hybrid vehicle combustion engine, said hybrid vehicle having a drive structure comprising said combustion engine, an electric...
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WO/2021/104733A1 |
A method of control for a vehicle exhaust system, said vehicle exhaust system including a first SCR unit, and a second SCR unit located downstream of said first SCR unit, and including a first urea doser adapted to inject urea reductant ...
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WO/2021/104751A1 |
A method of controlling the operation of a second doser in a vehicle exhaust system, said system including a first SCR catalytic unit and a second SCR catalytic unit located downstream of said first unit, and including a first urea doser...
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WO/2021/101556A1 |
A control module for an aftertreatment system that includes a selective catalytic reduction (SCR) catalyst and an oxidation catalyst, comprises a controller configured to be operatively coupled to the aftertreatment system. The controlle...
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WO/2021/099455A1 |
The various embodiments of the present invention relate to a method for purifying exhaust gas and to an electronic device therefor. In accordance with an aspect of the present invention, there is an electronic device for purifying exhaus...
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WO/2021/097655A1 |
Provided is an intelligent diesel vehicle exhaust gas treatment system, which comprises an exhaust gas purifier, a sensor and an automatic controller (9); the exhaust gas purifier comprises a gas inlet pipe (1), a housing (2), and a gas ...
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WO/2021/099702A1 |
The invention relates to a method for heating a catalyst (14) associated with a combustion engine (11) belonging to a powertrain (10), the method implemented when the motor vehicle is driven by the second electric traction motor (18) in ...
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WO/2021/091561A1 |
An outlet assembly for an aftertreatment system comprises an outlet conduit configured to receive an exhaust gas from the aftertreatment system. The outlet conduit defines a first aperture through a sidewall thereof. An outlet passage is...
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WO/2021/092025A1 |
An aftertreatment system to treat exhaust gas from a diesel engine is provided. The aftertreatment system comprises a selective catalytic reduction catalyst on a diesel particulate filter (SCR-F); a first reductant injector connected to ...
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WO/2021/083633A1 |
The invention relates to a method for operating an exhaust gas cleaning system arranged in the exhaust line of an internal combustion engine and to an exhaust gas cleaning system. According to the method, a combination of electric cataly...
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WO/2021/074441A1 |
A process for cooling a selective catalytic reduction (SCR) dozer (16) for a catalytic exhaust of an automotive vehicle, said process comprising, after an engine shut off, the following steps: a) at least a sequence of a phase, called pu...
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WO/2021/068945A1 |
A high-pressure SCR ventilation and pressure stabilisation system for a ship diesel engine, comprising an SCR reactor (10), a gas intake pipeline (20), an exhaust pipeline (30), a bypass pipeline (40), a pneumatic pipeline (50), a first ...
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WO/2021/069162A1 |
The invention relates to a method for pre-heating a catalytic converter with an electrically heated catalyst (EHC) arranged in the exhaust flow of a motor vehicle. The catalytic converter with the EHC is preheated to a maximum temperatur...
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WO/2021/071299A1 |
An exhaust gas post-processing system control device, according to embodiments of the present invention, is a device for controlling an exhaust gas post-processing system which is connected to an engine so as to process exhaust gas of th...
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WO/2021/069264A1 |
The present invention relates to an internal combustion engine, comprising a primary air system (1) for providing fresh air and comprising a secondary air system (2), which is designed to divert secondary air from the primary air system ...
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WO/2021/058250A1 |
The invention relates to a method for determining the icing status of a component of the exhaust gas system of a motor vehicle that is not arranged directly in the exhaust gas mass flow and/or the supply line thereof, comprising the foll...
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WO/2021/054975A1 |
A system and method include determining, by a controller associated with an aftertreatment system, satisfaction of an enabling condition and in response to the satisfaction of the enabling condition, pausing, by the controller, hydrocarb...
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WO/2021/054538A1 |
The present invention relates to a system and method for injecting a reducing agent in a selective catalytic reduction reaction, wherein the conversion of ammonia from urea can be conducted very quickly by injecting urea directly into an...
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WO/2021/052806A1 |
Method for regenerating a particulate filter (7) of a pollution-control device (6) for a hybrid vehicle able to operate in an electric, heat-engine or combined mode of operation, the method comprising the following successive steps: dete...
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WO/2021/053278A1 |
The invention relates to a device for thermal conditioning of a high-voltage battery (B) for cold starting of the electric motor of a hybrid vehicle provided with a heat engine, a standard battery, a turbine (1), at least one compressor ...
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WO/2021/038146A1 |
The invention relates to a preheating system (6) for a three-way catalyst (4) fitted to the exhaust system (1) of a petrol combustion engine of a vehicle comprising an exhaust manifold (8), the three-way catalyst (4) being arranged downs...
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WO/2021/037432A1 |
The invention relates to a method for adjusting the temperature (Tcat,out) of a component (130, 140, 150) of an exhaust gas system (100) which is connected to an exhaust gas outlet (112) of an internal combustion engine (110), for exampl...
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WO/2021/028422A1 |
The invention relates to a method and to a device for controlling the operation of a particle filter of a motor vehicle. During normal operation, the load condition of the particle filter with soot particles is determined using an evalua...
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WO/2021/023638A1 |
The invention relates to a method and a device for closed-loop control of the temperature of a component (170) in an exhaust tract (110) of an internal combustion engine (100), wherein the exhaust tract (110) comprises a temperature sens...
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WO/2021/021378A1 |
A NOx sensor protection system (130) includes a flow control device (131) forming an internal chamber (134) with exhaust and shield gas ports (141, 150) and a NOx sensor (118, 120). The flow control device (131) is configured to selectiv...
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WO/2021/008978A1 |
The invention proposes a method for operating a metering system (32) with a plurality of metering valves (34, 35) for an SCR catalyst system, in which opening times for the injection of reducing agent are calculated for the metering valv...
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WO/2021/008897A1 |
The invention relates to, inter alia, a device (18) for supplying a hydrogen internal combustion engine (10) of a motor vehicle with hydrogen. The device (18) has a storage tank (34) for a fluid containing a carrier agent enriched with h...
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WO/2020/254366A1 |
The invention relates to an exhaust gas aftertreatment system (100) for treating exhaust gas from an internal combustion engine, wherein the exhaust gas after treatment system (100) comprises: - an exhaust gas catalyst (110) comprising a...
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WO/2020/236065A1 |
The present disclosure relates to an exhaust gas aftertreatment system (4), a vehicle (1) comprising such a system and a method for controlling an exhaust gas aftertreatment system. The method comprises the steps: -providing (s503, s603)...
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WO/2020/204243A1 |
Disclosed is a nonthermal plasma-based exhaust gas particulate matter reduction apparatus for preventing an arcing phenomenon, the apparatus comprising: a chamber which is a tubular body having exhaust gas flowing therein and is connecte...
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WO/2020/193595A1 |
The invention relates to an exhaust emission control device (1), comprising at least one exhaust gas line (3), at least one particulate filter (31) connected to the exhaust gas line (3) and/or at least one exhaust gas catalytic converter...
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WO/2020/193281A1 |
The invention relates to a method for regenerating a coated particle filter in the exhaust tract of a gasoline-operated motor vehicle, wherein a secondary air volume directed into the exhaust tract is controlled in a closed-loop manner, ...
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WO/2020/181311A1 |
The invention relates in particular to a method for adjusting the loading (19) of a particulate filter (9) and to an assembly designed to carry out the method, wherein the exhaust gas aftertreatment unit (8) comprises at least two SCR sy...
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WO/2020/177707A1 |
A diesel engine high pressure SCR ventilation and voltage stabilisation system, comprising an SCR reactor (10), an air intake pipeline (20) and an exhaust pipeline (30) respectively connected to an air inlet and an exhaust outlet of the ...
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WO/2020/176914A1 |
The invention relates to a method and a system for creating a system for the open-loop and/or closed-loop control of at least one exhaust gas aftertreatment component of an exhaust gas aftertreatment installation of an internal combustio...
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WO/2020/171615A1 |
A system for reducing VOC according to the present invention comprises: a housing having an inlet and an outlet formed such that a gas is introduced and discharged therethrough; an adsorption/desorption module disposed in the housing so ...
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WO/2020/160882A1 |
The invention relates to a particle filter assembly (14) for a motor vehicle (10), comprising at least one particle filter (20), at least one exhaust gas-conducting line (18) that opens into the particle filter (20), and at least one sec...
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WO/2020/142092A1 |
In a method for operating a urea dosing system in an exhaust aftertreatment system (EATS) of an engine, an ambient temperature is measured in an environment in which the EATS is disposed, one or more temperatures associated with the EATS...
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WO/2020/126314A1 |
The invention relates to a method for operating a drive device (1) which has a drive assembly and an exhaust gas purification device (3) for purifying exhaust gas of the drive assembly, said purification device being arranged in an exhau...
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WO/2020/127202A1 |
Disclosed is a power supply network (1) for installation in a vehicle, wherein the power supply network (1) is arranged to provide a first supply voltage so as to power electrical loads electrically connected to the power supply network ...
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WO/2020/119888A1 |
The present disclosure generally relates to a computer implemented method for controlling an exhaust gas aftertreatment system (EATS), specifically applying a scheme for preventing heat reduction at the EATS based on the estimated heat r...
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WO/2020/118506A1 |
A control method and device for an upstream temperature of a DPF (105), and a vehicle. The method comprises: obtaining a feedforward oil quantity value by inputting a regeneration temperature preset value, the current upstream temperatur...
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WO/2020/114629A1 |
An exhaust gas treatment apparatus (20; 50) comprises at least one gas permeable body (10A, 10B; 60), which may comprise an SCR catalyst, and a mechanism (40; 70) for diverting the flow of exhaust gas (G) selectively to a first region (1...
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WO/2020/117416A1 |
A method of reducing the emission of nitrogen oxides (NOx) during system startup of a power generating system may include igniting a combustion turbine thereby generating exhaust, supplying the exhaust to a catalyst bed comprising a sele...
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WO/2020/109204A1 |
Method for controlling a traction device for a motor vehicle comprising an internal combustion engine (1), the engine (1) comprising a plurality of cylinders (2, 3, 4), each provided with at least one air intake valve (22), with at least...
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WO/2020/108774A1 |
An aftertreatment system (100) connected downstream an internal combustion engine arrangement (102) for receiving exhaust gases conveyed from the internal combustion engine arrangement (102) during operation thereof, wherein the aftertre...
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