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Matches 151 - 200 out of 3,089

Document Document Title
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...  
WO/2013/148046A1
Various methods and systems are provided for an engine system for a vehicle. In one example, the engine system includes a turbocharger including a turbine, the turbocharger configured to be driven via exhaust gas from an engine during a ...  
WO/2013/147653A1
The invention concerns a method for diagnosing a selective catalytic reduction (SCR) catalyst (5) of an exhaust aftertreatment system (1) of an internal combustion engine (2), wherein said exhaust aftertreatment system (1) comprises a SC...  
WO/2013/147273A1
Provided is a heating method of a honeycomb structure that enables the honeycomb structure to satisfactorily generate heat with little temperature irregularity during the heat generation and with a small amount of power consumption. This...  
WO/2013/141793A1
The invention relates to a method for cleaning an SCR system whereby reducing agent is supplied to an exhaust flow upstream of an SCR catalyst (260), ΝΟx contents of the exhaust flow are determined upstream and downstream of said SCR c...  
WO/2013/141779A1
The invention relates to a method for safety improvement when a motor vehicle (100) comprising a power train with an engine (230), automatic gearbox (240) and torque converter (237) is stationary and particle filter (320) for the exhaust...  
WO/2013/132624A1
This device for detecting the state of a diesel particulate filter comprises: a first pressure detection means for detecting a first pressure on the upstream side of a filter in an exhaust flow passage in order to precisely determine the...  
WO/2013/127936A1
The invention relates to a method for operating an exhaust gas treatment device (1) comprising an electric heater (2) for heating an exhaust gas flow in the exhaust gas treatment device (1) and/or a surface (25) in the exhaust gas treatm...  
WO/2013/130810A1
An automotive selective catalytic reduction (SCR) system assembly includes a holder for receiving an SCR system sensor. The holder has a tube, a chamber, and a retainer. The tube receives incoming fluid from a first SCR line and leads ex...  
WO/2013/126575A1
A method of heating an exhaust gas in an exhaust after treatment system including a Diesel Oxidation Catalyst (DOC) and a diesel particulate filter (DPF) is provided. The method includes heating the exhaust gas to a predetermined tempera...  
WO/2013/115475A1
The present invention relates to a method for controlling the regeneration of a diesel particulate filter (DPF) in construction machinery. The method for controlling the regeneration of a DPF in construction machinery, according to the p...  
WO/2013/112529A3
A controller (116,200) is configured to receive an input signal from a connection device (128) of one or more aftertreatment components (118, 120, 122,0124) in an aftertreatment system for an internal combustion engine (104). The control...  
WO/2013/111944A1
The present invention relates to a method for ensuring the compulsory recycling of diesel particulate filters. According to the present invention, the method for ensuring the compulsory recycling of diesel particulate filters (DPF) inclu...  
WO/2013/102845A1
A secondary air supply system includes an electric air pump (9) that supplies secondary air to a location upstream of an exhaust gas purification catalyst arranged in an exhaust passage; a control valve that opens/closes a secondary air ...  
WO/2013/093511A1
A hydraulic system including hydraulic fluid, a hydraulic machine (142) for pressuring the hydraulic fluid, a hydraulic circuit for delivering the hydraulic fluid to a hydraulic actuator (103A, 103B), the hydraulic machine (142) being co...  
WO/2013/094894A1
The active regeneration control device for a diesel particulate filter (DPF) according to the present invention comprises: an active regeneration determining unit for judging the active regeneration time for a diesel particulate filter (...  
WO/2013/095214A1
The object of the present invention is to provide an inventive exhaust system (6) for receiving an exhaust gas. The exhaust system (6) comprising a first SCR catalyst (10) and a second SCR catalyst (16) positioned downstream of said firs...  
WO/2013/090113A1
An arrangement for mounting at least one electrical component to a portion of an aftertreatment module, the arrangement including; at least one standoff member coupled between the electrical component and the portion of the aftertreatmen...  
WO/2013/090258A1
An exhaust treatment system (200) is provided including: a selective catalyst reduction (SCR) unit (108); a reducing agent dispensing unit (108) configured to introduce a reducing agent into the exhaust; a first nox sensor (202) upstream...  
WO/2013/089976A1
Detecting particulate matter in an exhaust filter (32) includes receiving data indicative of a time delay between transmission and reception of electromagnetic energy propagated through trapped particulate matter, and outputting a signal...  
WO/2013/087245A1
Method for controlling an exhaust system of a diesel motor, in which an exhaust gas mass flow sensor (38) and an exhaust gas recirculation valve (36) are arranged in an exhaust gas recirculation duct (32), wherein the heat-up behavior of...  
WO/2013/085716A1
A reagent injector control system includes a pulse width modulation (PWM) control module and an injector driver module. The PWM control module monitors current through a reagent injector during an injection control cycle, generates a PWM...  
WO/2013/083210A1
The invention relates to a method for operating an internal combustion engine (1) comprising an exhaust gas cleaning unit (16) with at least one exhaust gas cleaning component which is catalytic and/or which acts as a filter, the interna...  
WO/2013/079838A1
The invention relates to a method for optimizing the time for heating a liquid (4) making up an ammonia source that is used to reduce nitrogen oxides produced by an internal combustion engine. Said liquid is contained in a tank (2) inclu...  
WO/2013/068370A1
A system for determining a regeneration phase of an exhaust gas particulate filter (105) for an internal combustion engine (100) comprises a temperature sensor (155) for detecting an elevated exhaust gas temperature, a sensor (170) for d...  
WO/2013/067802A1
An intelligent post-treatment and regeneration control method for an engineering machinery engine, comprising an automatically regenerated auxiliary load loading control method and a manually regenerated auxiliary load loading control me...  
WO/2013/053088A1
Disclosed is an apparatus (100) for use in a selective catalytic reduction system of a diesel engine, the selective catalytic reduction system comprising a catalytic converter for converting nitrogen oxides discharged by the diesel engin...  
WO/2013/045990A1
An exhaust gas control apparatus for an internal combustion engine includes a NOx purification catalyst disposed in an exhaust passage of the internal combustion engine and carrying a first catalyst metal on a first catalyst carrier, an ...  
WO/2013/045038A1
The invention relates to a regeneration process for a soot particle filter (18) through which an exhaust gas stream passes, wherein a burn-off strategy to be employed for regeneration of the soot particle filter (18) is selected accordin...  
WO/2013/041154A1
The invention relates to a method and an arrangement for the dynamic detection of leakages. The arrangement comprises at least one transmission element, at least one memory unit in which sensor characteristic curves are stored, at least ...  
WO/2013/036549A3
A method of recycling captured agglomerated soot captured by and collected from a diesel emission control after-treatment (DECAT) system, the method comprising collecting captured agglomerated diesel soot (CADS) as a feedstock, loading t...  
WO/2013/034393A1
Exhaust systems of a diesel engine having an exhaust train (4) wherein a particle filter (9) is arranged which is cleaned in a regeneration phase by increasing the exhaust temperature and a method for controlling such an exhaust system i...  
WO/2013/028375A1
Methods and systems for distributing engine output among rail vehicles (102, 104, 106) of a consist are disclosed. One method comprises, adjusting redistribution of engine output from at least a first engine (10) to at least a second eng...  
WO/2013/028714A1
Urea injection system wash cycle methods and systems are disclosed. An exemplary wash cycle method includes operating a urea injection system to provide urea solution to a first inlet of a blending chamber, provide pressurized gas to a s...  
WO/2013/023875A1
The invention relates to a method for controlling an ionization device (1) in an exhaust gas post-treatment device (2) of an internal combustion engine (3), comprising at least one cathode (4) and an anode (5). The at least one cathode (...  
WO/2013/022587A2
A control system for reducing nitrogen oxides in an engine exhaust of an engine includes an emissions catalyst having an inlet adapted to receive an exhaust from the engine. A reductant tank stores a reductant. An injector is in fluid co...  
WO/2013/022587A3
A control system for reducing nitrogen oxides in an engine exhaust of an engine includes an emissions catalyst having an inlet adapted to receive an exhaust from the engine. A reductant tank stores a reductant. An injector is in fluid co...  
WO/2013/014368A1
The present invention concerns a method and a sensor (1) for collecting soot particles in an exhaust flow from an internal combustion engine, via a resistive-type planar probe positioned in the gas flow and comprising at least one surfac...  
WO/2013/010703A1
In a method for determining the particle count in the exhaust gas of internal combustion engines, a characteristic variable for the quantity of particles is determined, for example in the form of the blackening of a filter or the determi...  
WO/2013/012597A1
Various methods and systems are provided for a vehicle with an engine. In one example, a method includes identifying an approaching tunnel. The method further includes, responsive to a particulate load of a particulate filter, the partic...  
WO/2013/010625A1
The invention relates to a method for determining a quality of a reducing agent solution that contains ammonia and is used to reduce nitrite oxide. In the method, a dosing unit (14) for releasing predefinable target dosing quantities (D)...  
WO/2013/010897A1
The present invention relates to a process for determining the state of an exhaust-gas purification device. The exhaust-gas purification device is one which can store gas and/or particles. By means of the proposed process, it is for exam...  
WO/2013/007497A1
The invention relates to a method for reactivating a system composed of an oxidation catalytic converter (5) followed by a possibly catalytically coated particle filter (6), and to a correspondingly adapted exhaust-gas purification syste...  
WO/2013/005456A1
In order to perform accurate determination of the condition of a filter, a micro-particle capturing filter condition detection device that detects the condition of a filter that captures micro-particles in exhaust gas comprises: a first ...  
WO/2013/003519A3
A method for monitoring a gas is disclosed. This method may include applying a voltage pulse to electrodes (24) exposed to the gas, and determining an actual current between electrodes during application of the voltage pulse. The method ...  
WO/2013/003707A3
A regeneration control system (60) for an exhaust filter (32) in an internal combustion engine system (16) includes a first sensing mechanism (62) for monitoring an exhaust flow resistance of the exhaust filter (32), and a second sensing...  

Matches 151 - 200 out of 3,089