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Patent Searching and Data


Matches 1 - 50 out of 2,978

Document Document Title
WO/2015/072242A1
The risk of a particulate filter from being damaged is reduced while an increase in pressure loss of the particulate filter due to ash is suppressed. Micropore zones are defined at upstream sides of partition walls of a particulate filte...  
WO/2015/070950A1
The invention relates to a method for operating an exhaust gas purification system (1) for purifying an exhaust gas of an internal combustion engine, according to which, in a diagnostic operation, in directly successive operating phases ...  
WO/2015/067159A1
Disclosed is a compressed air-driven metering device of a tail gas clean-up post-treatment system of an internal-combustion engine. The compressed air-driven metering device comprises an air control valve (100), a first liquid cavity (20...  
WO/2015/068031A1
An exhaust gas control apparatus for an engine, the exhaust gas control apparatus includes a filter, a selective reduction catalyst, a reducing agent supply device and an electronic control unit. The filter is provided in an exhaust pass...  
WO/2015/060015A1
Micropore zones ZMI are defined at upstream sides of partition walls 72 of a particulate filter and macropore zones ZMA are defined at downstream sides of partition walls. The pore size of the partition walls at the micropore zones is se...  
WO/2015/042217A1
An aftertreatment system for treating exhaust gas discharged from a combustion engine may include a particulate filter, a reductant-injection system, an ammonia sensor and a control module. The particulate filter may be configured to fil...  
WO/2015/040781A1
The production efficiency of ammonia is increased while avoiding the necessity for a user to supply water for himself/herself in order to produce the ammonia. An exhaust gas purification apparatus comprises a catalyst (3) which purifies ...  
WO/2015/033519A1
An exhaust gas purification apparatus of an internal combustion engine is provided with a filter that collects PM in exhaust gas, a first accumulation amount obtaining unit that obtains an accumulation amount of PM (Mpm at S201), a secon...  
WO/2015/029612A1
In an internal combustion engine, a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged in an engine exhaust passage. A first NOx removal method which reduces NOx contained in an exhaust gas by a reducing i...  
WO/2015/023477A1
A method of controlling an aftertreatment system having a SCR catalyst and communicating with an engine electronic control module (ECM) is provided. The method may receive a plurality of system values corresponding to NH3 and NOx emissio...  
WO/2015/019737A1
An internal combustion engine in which a hydrocarbon feed valve (15), exhaust purification catalyst (13), and NOX selective reduction catalyst (14) are arranged in an engine exhaust passage. A first NOX removal method which injects hydro...  
WO/2015/015260A1
An exhaust gas purification apparatus for an internal combustion engine (1), the exhaust gas purification apparatus includes a catalyst (40), a reducing agent supply mechanism (200), a dispersion plate (60), and a control unit (80). The ...  
WO/2015/011541A1
An exhaust emission control system that estimates a PM accumulation amount in a DPF and executes PM burning control for burning PM accumulated in the DPF when an estimated PM accumulation amount has reached a preset threshold includes a ...  
WO/2015/006194A1
One variation may include a method of controlling exhaust gas flow in an internal combustion engine system, and products and systems using same.  
WO/2014/205168A1
A supercharger exhaust bypass system comprises a supercharger comprising an inlet and outlet, a bypass valve connected to the supercharger outlet, a first intercooler connected to receive compressed air from the outlet of the supercharge...  
WO/2014/198360A1
The invention relates to a method for an exhaust-gas treatment system 300 having a diesel particle filter DPF, in particular for the operation of an internal combustion engine 1000 having an exhaust-gas treatment system, in particular an...  
WO/2014/199044A1
The invention concerns a method for limiting the ageing of at least one catalyst in an exhaust line of a motor vehicle, said catalyst being located upstream of a particle filter, the temperature upstream of the filter being, during a reg...  
WO/2014/198386A1
The invention relates to a method and a device for operating an exhaust gas aftertreatment (300), wherein a diesel particulate filter (DPF) is regenerated during the operation, in particular passively regenerated, wherein a corrected dif...  
WO/2014/196972A1
A system and method for controlling the regeneration of an exhaust gas particulate filter. When regeneration is initiated, an outlet temperature of an exhaust gas oxidation catalyst and an outlet temperature of the exhaust gas particulat...  
WO/2014/191008A1
The invention concerns a method for timing of a regeneration process of an exhaust gas system (7) of a vehicle (1) engine (4). The invention is characterized in that it comprises the steps of: collecting, during operation of the vehicle ...  
WO/2014/187516A1
The invention relates to a method for operating a drive device (1) with an internal combustion engine (2) and an exhaust gas purification device (9), through which exhaust gas of the internal combustion engine (2) is made to flow in orde...  
WO/2014/183998A1
The invention relates to a method for determining a soot load (RB) of a particulate filter (18) that is connected downstream of an internal combustion engine (12), as a function of an amount of soot (RE) that has been introduced into sai...  
WO/2014/184635A1
A reduction process is executed when a catalyst bed temperature is lower than a target temperature of the catalyst bed temperature in a burn-off process. When an execution condition for the burn-off process is satisfied, the reduction pr...  
WO/2014/182827A1
An exhaust treatment fluid system includes a tank housing for storing an exhaust treatment fluid. A suction tube includes a first end positioned within the housing. A first sensor is positioned within the tank housing for determining at ...  
WO/2014/182821A1
An exhaust treatment fluid system includes a tank housing for storing an exhaust treatment fluid. A suction tube includes a first end positioned within the housing and a second end in communication with a suction port of the housing. An ...  
WO/2014/177785A1
Device for controlling the operating status of a member (15) that treats gaseous effluent from an exhaust line (13) of an internal combustion engine (1) comprising a control unit (30) including a module (31) that verifies the operating c...  
WO/2014/179641A1
A power generating set includes an engine operable in response to a flow of fuel to produce a flow of exhaust gas. A generator is coupled to the engine and is operable in response to operation of the engine to produce a total electrical ...  
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 ...  

Matches 1 - 50 out of 2,978