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Matches 1 - 50 out of 2,897

Document Document Title
WO/2014/173789A1
The invention relates to a method for operating a device (1) for the dosed supply of a liquid, at least having at least one pump (2) for the delivery of the liquid, wherein the at least one pump (2) has a pump housing (3) with at least o...  
WO/2014/174169A1
The method according to the invention involves calculating a threshold value (Seuil Teau) of the water temperature of the vehicle engine from a minimum temperature value (Tmin) below which regeneration (RG) is not authorised and a desire...  
WO/2014/171878A1
The invention relates to a method for troubleshooting in an SCR system which comprises a dosing unit (250) for dosing of reducing agent into an engine's exhaust duct (290) upstream of an SCR catalytic converter (270) for reduction of NOx...  
WO/2014/167412A1
A hybrid vehicle includes an input device (28) that is used by a user to request an increase in the amount of charge of the power storage device (16). When a request for increasing the amount of charge is made using the input device (28)...  
WO/2014/162163A1
A process is provided for regenerating an exhaust gas after-treatment device in an exhaust line of an internal combustion engine arrangement, the exhaust line including a particle filter. The process includes identifying when soot loadin...  
WO/2014/159041A1
A method for monitoring an exhaust after-treatment system that doses an exhaust treatment fluid held from a tank into an exhaust stream. The method includes determining a first temperature of the exhaust treatment fluid in the tank using...  
WO/2014/159038A1
An engine exhaust treatment and fuel efficiency improvement system includes a NOx module that determines a quantity of NOx emitted from an engine. A selective catalytic reduction (SCR) efficiency module determines a SCR efficiency to red...  
WO/2014/149893A1
Exhaust after treatment systems for internal combustion engine powered vehicles are provided. One system includes logic in the form of one or more routines implemented by one or more of the system's components for determining the quantit...  
WO/2014/149872A1
An exhaust after-treatment system for treating an exhaust produced by an engine. The exhaust after-treatment system may include an exhaust passageway in communication with the engine, and an exhaust treatment component provided in the ex...  
WO/2014/139617A1
The invention relates to an exhaust gas aftertreatment system for an internal combustion engine, in particular for an internal combustion diesel engine, comprising an exhaust gas section (1) in which an oxidation catalytic converter (3) ...  
WO/2014/137269A1
In a method for exhaust cleaning at a combustion engine, exhaust gases are caused to pass through a particulate filter which is part of a filter configuration and in which particles from the exhaust gases are oxidised. The method compris...  
WO/2014/137272A1
The invention concerns a method for an HC dosing system comprising a dosing unit (250) for dosing fuel into an engine exhaust duct (290) upstream of a particulate filter (270) for purifying exhaust from said engine, wherein said HC dosin...  
WO/2014/137280A1
The invention pertains to a method for the selection of maximum reducing agent dosage at an SCR system for exhaust purification, where evaporation of a dosed amount of reducing agent is required. The method comprises the step to: - selec...  
WO/2014/133817A1
An exhaust treatment system may include a burner, a flame sensor assembly and a control module. The flame sensor assembly may be at least partially disposed within the burner and may include an insulator and an electric heating element i...  
WO/2014/126527A1
The invention concerns a method for troubleshooting an SCR system comprising a dosing unit (250) for dosing reducing agent into the exhaust duct (290) of an engine upstream of an SCR catalytic converter (270) to reduce the NOx level in a...  
WO/2014/126920A1
Systems, methods, and apparatuses are provided for determining an SCR component sulfur value, determining whether the SCR component sulfur value exceeds a sulfur regeneration threshold and increasing an engine NO amount incident to an SC...  
WO/2014/111121A3
The invention relates to a method for a drive system for a motor vehicle (10), having: an electric motor (12) and an internal combustion engine (14) for driving the motor vehicle (10); a control element (18), which has a first kickdown p...  
WO/2014/108619A1
The invention relates to a method for monitoring the nitrogen oxide decontamination in an exhaust line (L) comprising switching from an SCR mode to an LNT mode when the SCR tank (8) is empty or contains a minimum SCR agent quantity criti...  
WO/2014/105624A1
Disclosed embodiments include methods of removing carbon dioxide from combustion gas from an engine of a vehicle, systems for removing carbon dioxide from combustion gas from an engine of a vehicle, vehicles, methods of managing carbon d...  
WO/2014/095215A1
The invention relates to a method for diagnosing an exhaust gas catalytic converter (28) arranged in an exhaust gas system (20) of an internal combustion engine (12) for the catalytic conversion of at least one exhaust gas component from...  
WO/2014/084534A1
The present invention relates to a method for controlling multiple SCR denitrification systems for denitrifying exhaust fumes and, more specifically, to a method for controlling multiple denitrification systems using one outlet analyzer ...  
WO/2014/085354A9
Method, apparatus, and system to control ammonia slip in a selective catalytic reduction (SCR) system. The method includes detecting an engine operation transition event, increasing NOx to the SCR catalyst, and decreasing a reductant dos...  
WO/2014/084534A9
The present invention relates to a method for controlling multiple SCR denitrification systems for denitrifying exhaust fumes and, more specifically, to a method for controlling multiple denitrification systems using one outlet analyzer ...  
WO/2014/085075A1
An exhaust system including a plurality of exhaust treatment devices, plurality of injectors for dosing an exhaust treatment fluid into an exhaust stream, and a controller for controlling each of the plurality of injectors. The controlle...  
WO/2014/085354A1
Method, apparatus, and system to control ammonia slip in a selective catalytic reduction (SCR) system. The method includes detecting an engine operation transition event, increasing NOx to the SCR catalyst, and decreasing a reductant dos...  
WO/2014/079535A1
A reciprocating internal combustion engine with an emission control device and a method for operating same are described. At least one throttle, arranged on the intake side, at least one main fuel injection nozzle for feeding a main fuel...  
WO/2014/072607A1
The invention concerns a device for purifying the exhaust gas of a motor vehicle, in which a controller (9) is configured to; apply a calculation model delivering a value indicative of a speed of storage of nitrogen oxides in a nitrogen ...  
WO/2014/064502A1
A vehicle includes an engine, an electrically heated catalyst configured to purify exhaust gas of the engine, and a controller configured to control energizing power to the electrically heated catalyst. The controller is configured to de...  
WO/2014/061946A1
The present invention relates to a multi-step regeneration device of a DPF for removing soot by generating a load from an engine, comprising: an outside air temperature sensor for measuring the temperature of outside air; a controller fo...  
WO/2014/058201A1
The present invention relates to a safety device for preventing working-apparatus operation during the regeneration of a forklift-truck diesel-exhaust-gas after-treatment device. According to the present invention, the safety device for ...  
WO/2014/048527A1
The invention relates to a method for operating an internal combustion engine and an adequately designed internal combustion engine. In said method, an injection valve post-injects fuel into at least one cylinder (16, 18, 20, 22) of the ...  
WO/2014/040710A1
The invention relates to a method and an arrangement for operating an internal combustion engine. In the method a first distribution (10) of values for at least one variable (G) is used, the variable (G) describing a physical property of...  
WO/2014/038724A1
A particulate filter (24) for trapping particulate filter which is contained in exhaust gas is arranged in an engine exhaust passage. The particulate filter is provided with exhaust gas inflow passages and exhaust gas outflow passages wh...  
WO/2014/029301A1
A dosing system for delivering reductant to an exhaust gas treatment system of an internal combustion engine using air driven hydraulic pumps for closed-loop controlling reductant pressure and a two-stage PWM control method for controlli...  
WO/2014/030953A1
Disclosed are a method for controlling the expression of the active regeneration time for a diesel engine exhaust after-treatment device, and a method for controlling active regeneration. The method for controlling the expression of the ...  
WO/2014/025647A3
A particular trap is regenerated without the use of heat. The regeneration is accomplished using a valving mechanism for periodically creating a reverse pressure throughout the entire trap, after the reverse pressure is created controls ...  
WO/2014/020251A1
The invention primarily concerns a method for controlling a particle filter that filters particles contained in the exhaust gases of a motor vehicle, on the basis of the level of damage of same. During a regeneration of the particle filt...  
WO/2014/016594A1
Method of controlling operation of an exhaust fluid treatment apparatus An exhaust flow treatment apparatus may be used to treat exhaust flow emitted by a combustion engine. The exhaust flow treatment apparatus may be configured to recei...  
WO/2014/014399A1
The invention relates to a method pertaining to an SCR system wherein a reducing agent is provided to an exhaust gas stream from an engine (230) for purifying said exhaust gas with respect to among other things content of NOx, wherein sa...  
WO/2014/012096A1
A method and system for mitigating a urea deposit within an SCR system (150) that includes determining (406) a mass of an accumulated urea deposit present within SCR catalyst (152) and piping (34), comparing (408) the mass of the accumul...  
WO/2014/007752A1
The invention relates to a method for, by means of a reducing agent, purifying exhaust gas in an exhaust gas flow from an engine (230) in an SCR system comprising two SCR catalyst configurations (260, 265) arranged in series in said exha...  
WO/2014/007749A1
The present invention relates to a method for estimating an accumulation of sulfur in an aftertreatment system (200), wherein said aftertreatment system (200) is designed for treatment of an exhaust-gas stream resulting from a combustion...  
WO/2014/001733A1
The invention proposes a method for diagnosing a system for storing a gas, the gas being stored by sorption on a compound, the system being mounted onboard a vehicle and comprising a tank capable of containing the compound and a control ...  
WO/2013/190210A1
The invention relates to an exhaust gas treatment system 2 comprising a catalytic particulate filter 11, a catalytic reduction device 12 for the reduction of nitrogen oxides, which is mounted downstream of the catalytic particulate filte...  
WO/2013/192211A1
According to one embodiment, an apparatus for controlling the regeneration of a particulate filter (150) of an internal combustion engine system (100) includes an operating conditions module (250) that is configured to monitor at least o...  
WO/2013/185862A1
The invention relates to a method for operating a motor vehicle exhaust gas system (10) through which exhaust gas of an internal combustion engine can flow and which comprises at least one oxidation catalyst (14) and at least one particl...  
WO/2013/165309A1
The invention concerns an exhaust gas aftertreatment system (2) adapted so as to reduce the amount of N2O that is produced in a selective catalytic reduction catalytic converter (SCR catalytic converter) (6) and/or in an ammonia slip cat...  
WO/2013/165302A1
The invention relates to an exhaust post-treatment system (2) for a combustion engine (4) which produces an exhaust flow (6), which system (2) comprises at least one diesel oxidation catalyst (DOC) and/or at least one diesel particle fil...  
WO/2013/158063A1
A method for managing ammonia dosing during a regeneration event for a nitrogen oxide particulate filter (NPF) includes a selective catalytic reduction system and a particulate filter. Embodiments include utilizing monitored pressure cha...  
WO/2013/149717A1
The invention relates to a method for operating an exhaust gas system that has a metering device through which a reduction means can be added to the exhaust gas for exhaust gas after-treatment. A particle filter is regenerated, wherein a...  

Matches 1 - 50 out of 2,897