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Matches 151 - 200 out of 1,683

Document Document Title
WO/2011/162694
The invention relates to a method for cooling a dosing unit (250) pertaining to HC dosing systems for exhaust cleaning which comprise the dosing unit (250) for fuel and a feed device (230) to supply said fuel for cooling, comprising the ...  
WO/2011/162684
The invention relates to a method pertaining to SCR systems which comprise a dosing unit (250) to supply reducing agent to an exhaust duct (240) for exhaust cleaning, and a container for reducing agent, comprising the step of choosing (s...  
WO/2011/162690
The invention relates to a method for cooling a dosing unit (250) pertaining to SCR systems for exhaust cleaning, comprising the step, after cessation of exhaust flow, of cooling a reducing agent dosing unit (250) by means of reducing ag...  
WO/2011/162691
The invention relates to a method pertaining to HC dosing systems for exhaust cleaning which comprise a dosing unit (250) for fuel, comprising the step of deciding about a need, after cessation of an exhaust flow, to cool said fuel dosin...  
WO/2011/162689
The invention relates to a method for cooling a dosing unit pertaining to HC dosing systems for exhaust cleaning which comprise a dosing unit (250) for fuel and a feed device (230) for said fuel, comprising the step of cooling said fuel ...  
WO/2011/161350
The invention relates to a device comprising an injection system fed from a set of upstream pipes (3, 5, 9) and capable via a downstream pipe (6) of injecting a gaseous reducing agent into an exhaust line (7) upstream of a catalytic conv...  
WO/2011/162696
The invention relates to a method pertaining to an HC dosing system whereby fuel is supplied to a feed device (230) via which fuel is supplied to at least one consumption point (250) from a container (205), comprising the steps of determ...  
WO/2011/162688
The invention relates to a method pertaining to SCR systems for exhaust cleaning, comprising the steps of deciding about a need, after cessation of an exhaust flow, to cool a reducing agent dosing unit (250), which forms part of the SCR ...  
WO/2011/154802
A porous structure including a pair of electrodes disposed in a flow direction of exhaust gas and a solid electrolyte interposed between the electrodes is arranged in an exhaust passage of an internal combustion engine, and the amount of...  
WO/2011/145571
Provided is a selective catalytic reduction (SCR) sensor wherein, even when the residual amount in a urea tank is small, the measurement accuracy of a quality sensor is not reduced. A quality sensor (122) is disposed between the minimum ...  
WO/2011/145572
The disclosed SCR system can prevent erroneous indications of insufficient aqueous urea solution due to fluctuations in the liquid surface in an aqueous urea solution tank, preventing an engine from being unnecessarily prohibited from st...  
WO/2011/145568
Disclosed is an exhaust gas purification system (100) that can prevent adherence of aqueous urea in a dosing valve during DPF regeneration. When a DCU (126) has received a DPF regeneration authorization request from an ECM (125), the DCU...  
WO/2011/139877
A diesel engine and method for operating a diesel engine with exhaust after-treatment device regeneration capability are disclosed. The diesel engine may employ an exhaust after-treatment device such as a diesel particular filter to remo...  
WO/2011/139877
A diesel engine and method for operating a diesel engine with exhaust after-treatment device regeneration capability are disclosed. The diesel engine may employ an exhaust after-treatment device such as a diesel particular filter to remo...  
WO/2011/135043
Process for transferring a liquid from a passive tank (1) for storing the liquid to an active tank (2), using a pump intended for pumping the liquid held in the passive tank (1) and transferring it to the active tank (2), according to wh...  
WO/2011/133092
The present invention relates to a method for supply of additive to a catalytic exhaust cleaning process for cleaning of an exhaust flow from a combustion engine of a vehicle, which vehicle comprises control means for control of supply o...  
WO/2011/128543
The invention relates to a method and system for regenerating a particle filter. According to the invention, the method comprises the following steps: identifying a severe regeneration risk on the basis of the amount of soot in the parti...  
WO/2011/125258
From the exhaust temperature and the addition flow rate of aqueous urea injected into the exhaust upstream side of an SCR converter, the disclosed device can estimate the per unit-of-time deposition rate for urea crystals deposited in an...  
WO/2011/124465
The invention relates to a method and to a waste gas treatment device for regenerating a waste gas cleaning component (1). Said method consists of the following steps: i) at least one condenser (2) is charged, ii) at least one partial vo...  
WO/2011/121201
The invention relates to a method of regenerating a particle filter (35) of a supercharged internal combustion engine (1) equipped with an EGR line (40, 50) for recirculating the burnt gases, during which method there are: a) a step of a...  
WO/2011/121411
An exhaust gas control apparatus for an internal combustion engine includes: a DPF provided in an exhaust passage of an internal combustion engine, which traps PM in exhaust gas discharged from the engine; and a differential pressure sen...  
WO/2011/119514
A control strategy selectively controls the heating of fluid lines (128) equipped with line heaters (130) that may be utilized with a selective catalytic reduction system (120). The control strategy measures a tank temperature representa...  
WO/2011/119514
A control strategy selectively controls the heating of fluid lines (128) equipped with line heaters (130) that may be utilized with a selective catalytic reduction system (120). The control strategy measures a tank temperature representa...  
WO/2011/117492
A method for monitoring a system for treating the NOx present in the exhaust gases of an internal combustion engine using a reducing agent injected into the exhaust pipe upstream of an NOx reduction catalyst, said monitoring comprising t...  
WO/2011/118525
An engine exhaust purification device comprises: a selective reduction type NOx catalyst; an oxidation catalyst installed on the upstream side of the NOx catalyst; a reducing agent adding device that adds a NOx reducing agent to engine e...  
WO/2011/118095
An engine exhaust purification device that improves the NOx purification rate and minimizes ammonia slip in urea SCR. The engine exhaust purification device comprises: a selective reduction type NOx catalyst; a reducing agent adding devi...  
WO/2011/110760
The invention relates to a method for regulating the regeneration temperature of a particulate filter (14) for a vehicle engine, said engine including an exhaust line (10) comprising the following components disposed successively in the ...  
WO/2011/110760
The invention relates to a method for regulating the regeneration temperature of a particulate filter (14) for a vehicle engine, said engine including an exhaust line (10) comprising the following components disposed successively in the ...  
WO/2011/110920
An abnormality determination apparatus includes a particulate filter provided in the exhaust passage of an internal combustion engine that collects particulate matter in the exhaust gas discharged from the internal combustion engine, a p...  
WO/2011/104458
The invention relates to a method for controlling a system for treating the NOx present in an exhaust line of an internal combustion engine, said system comprising means for introducing a reducing agent into the exhaust line upstream of ...  
WO/2011/106291
A method for regenerating a particulate filter may comprise calculating a soot layer state correction factor based on a rate of regeneration and a rate of particulate loading in the particulate filter and calculating an estimated soot lo...  
WO/2011/104459
The invention relates to a method for regenerating a particle filter which includes a gas exhaust system associated with a combustion engine equipping a hybrid vehicle. According to said method, in the event of a stop control of the comb...  
WO/2011/104451
The invention relates to a method for controlling a system for the treatment of the exhaust gases present in an exhaust line of an internal combustion engine, said treatment involving using a gauge‑pump module to inject a reducing agen...  
WO/2011/102781
The present invention relates to an arrangement and a method for reducing the amount of nitrogen oxide in exhaust gases from a combustion engine. The arrangement comprises at least one sensor (18, 20, 27) adapted to detecting the value o...  
WO/2011/098696
The invention relates to a method for treating exhaust gas applied to an exhaust line for exhaust gas of a vehicle, the exhaust line including a particle filter, the method including a step (40) of determining the density of particles in...  
WO/2011/093771
The present invention comprises a method and a system for estimation of a deviation for at least one model variable of a catalyst model, which estimation is based on the catalyst model and on at least one measured sensor signal from at l...  
WO/2011/087819
Methods and systems are provided related to an emissions control system. The emissions control system has an exhaust after-treatment system defining a plurality of distinct exhaust flow passages through which at least a portion of an exh...  
WO/2011/087430
The invention relates to a method for warming a reductant in an SCR system which comprises a container (205) for said reductant and a dosing unit (250). The method comprises the step of extracting at least part of said reductant from sai...  
WO/2011/079928
In a method for regenerating a particle filter, a triggering limit is specified, namely in the form of a pressure difference Δptrigger across the particle filter (4), which pressure difference results for a particular working interval (...  
WO/2011/082401
A method of controlling an internal combustion engine and exhaust system having an SCR, and engine and exhaust system including an SCR, described herein, monitors, in real time, NOx conversion efficiency of an exhaust flow output by the ...  
WO/2011/082401
A method of controlling an internal combustion engine and exhaust system having an SCR, and engine and exhaust system including an SCR, described herein, monitors, in real time, NOx conversion efficiency of an exhaust flow output by the ...  
WO/2011/078981
A power system (1) comprising an engine (10) that produces exhaust, a fuel system (20) that injects a fuel into the engine, an aftertreatment system (50) that treats the exhaust, and a controller (71). The aftertreatment system includes ...  
WO/2011/072250
A system to detect the presence of a catalyst includes a catalyst housing (102), a first temperature sensing device (204), a second temperature sensing device (206), a flow rate measurement device (208), and a processing device (210). Th...  
WO/2011/072250
A system to detect the presence of a catalyst includes a catalyst housing (102), a first temperature sensing device (204), a second temperature sensing device (206), a flow rate measurement device (208), and a processing device (210). Th...  
WO/2011/067622
The vehicle engine arrangement has an engine coolant circuit (10) comprising: a main line (11) with a radiator (14) and a main pump (16) located downstream from the radiator; a by-pass line (17) for by-passing the radiator; a control val...  
WO/2011/066103
Processes and devices for regenerating a gasoline particulate filter (120) utilized in filtering an exhaust stream of a direct-injection gasoline engine (110) operating at substantially stoichiometric conditions include introducing an am...  
WO/2011/064266
The invention relates to a reducing agent tank (1) having a tank extraction system for extracting a reducing agent (2) from the reducing agent tank and for feeding the reducing agent to an SCR catalyst (9) in an exhaust gas line (7). In ...  
WO/2011/061423
The invention relates to a method for controlling a system for treating NOx in an exhaust line of an internal combustion engine, said system comprising means for introducing a reducing agent into the exhaust line upstream of an NOx reduc...  
WO/2011/055176
A exhaust catalyst temperature estimating apparatus is provided for estimating a exhaust catalyst temperature of a exhaust catalyst in which a catalyst is loaded on a support and arranged in an exhaust system of an internal combustion en...  
WO/2011/049774
A method and apparatus for identifying a component failure within a thermal regenerator operates as follows. The burner control unit monitors at least one of a fuel pump characteristic for a fuel pump and an ignition system characteristi...  

Matches 151 - 200 out of 1,683