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Patent Searching and Data


Matches 151 - 200 out of 3,052

Document Document Title
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...  
WO/2013/003710A3
An exhaust treatment system (200) is provided. The exhaust treatment system (200) may include a selective catalyst reduction (SCR) unit (108) for removing ΝΟχ from exhaust; a reducing agent dispensing unit for providing a reducing age...  
WO/2012/172033A1
The present invention relates to a device (1) for the treatment of exhaust gases in an exhaust system (2) of an internal combustion engine, in particular in a motor vehicle, having an electrically heatable honeycomb body (4) which is arr...  
WO/2012/168610A1
The invention relates to a method of regenerating a particulate filter for a motor vehicle comprising a combustion engine, said method comprising a regeneration stage which is controlled using a target regeneration temperature. According...  
WO/2012/163895A1
Method for heating an SCR system using at least two resistive heating elements, according to which each of these resistive elements is powered by a PWM signal, the two PWM signals being at least partly in phase opposition.  
WO/2012/163369A1
Method for optimised launch of a vehicle, wherein a driveline of the vehicle at least comprises an engine, an automatic transmission, a system for exhaust gas recirculation (EGR), which are controlled by a driveline management system (MS...  
WO/2012/160709A1
An exhaust gas purification system which uses an NOX purification apparatus (4), which can reduce the amount of use of precious metal and exhibit an NOX purification performance at a low temperature and/or in an oxidizing atmosphere, and...  
WO/2012/152301A1
The invention relates to a method for operating a motor vehicle diesel engine having an exhaust gas cleaning system that comprises an oxidation catalyst (34), a particulate filter (35), and an SCR catalyst, in which method the exhaust ga...  
WO/2012/151169A1
An exhaust gas treatment device (1200) includes a first substrate (1102) coated with a low temperature catalyst configured to facilitate formation of an oxidizer when an exhaust gas temperature is below a threshold temperature. The devic...  
WO/2012/148637A3
A control system for reducing nitrogen oxides in engine exhaust includes an emissions catalyst having an inlet adapted to receive an exhaust from the engine. A reductant tank is configured to store a reductant. An injector is in fluid co...  
WO/2012/148637A2
A control system for reducing nitrogen oxides in engine exhaust includes an emissions catalyst having an inlet adapted to receive an exhaust from the engine. A reductant tank is configured to store a reductant. An injector is in fluid co...  
WO/2012/142745A1
A method for controlling a urea injection system of a diesel engine and a device thereof are provided. The device (200) comprises a working condition parameter acquiring device (201), a control amount determining device (202) and a drivi...  
WO/2012/139801A1
The invention relates to a device and a method for heating exhaust gases of an internal combustion engine, having a combustion chamber (10), a fuel supply (20) for supplying a preferably liquid fuel (22) and a supply device (30) for supp...  
WO/2012/130789A1
The invention relates to a method for feeding thermal energy into an exhaust emission control unit (2) connected in the exhaust gas system of an internal combustion engine by heating the exhaust gas flowing to the exhaust emission contro...  
WO/2012/126892A1
The present invention relates to a method for regenerating a particle filter (3) in the exhaust gas system of a lean-burn internal combustion engine (1). An oxidizing catalytic converter (2), as it is known, is arranged upstream of the p...  
WO/2012/127044A1
The invention relates to a method for determining a starting time of a regeneration process of a particulate filter arranged in the exhaust gas system of an internal combustion engine, in particular a diesel engine, wherein the data of a...  
WO/2012/122756A1
Disclosed is an after-treatment regeneration control method for a construction machinery. When the construction machinery is in a low load or idle state and the exhaust temperature of an engine(1) is lower than an automatic regeneration ...  
WO/2012/123490A1
Method for determining a starting time of a regeneration process of a particle filter which is connected into the exhaust train of an internal combustion engine, in particular of a diesel engine, wherein the data of an air mass flow rate...  
WO/2012/125725A1
An improved apparatus for sensing exhaust emissions (15) comprising a passive induction sampler (50) configured to sample exhaust from a source (16), a processing unit (30) connected to the induction sampler and configured to be mounted ...  
WO/2012/117183A1
The invention relates to a method for running diagnostics on an oxidation catalytic converter (40) in an exhaust line (20) for gases (90) emanating from an internal combustion engine (80), the exhaust line (20) comprising a selective cat...  
WO/2012/110210A1
In a method for the model-based determination of the temperature distribution of a post-treatment unit for exhaust gas, steady-state and non-steady-state operating states are differentiated by taking into account the axial and radial tem...  
WO/2012/108795A1
A method of calibration of at least one fuel injector for a fuel burner in an exhaust gas treatment system for an internal combustion engine is therefore suggested. The inventive method is adapted for an exhaust gas system having said fu...  
WO/2012/109504A2
An after-treatment device that includes a diesel particulate filter (DPF) requiring periodic regeneration includes a sensor providing a signal indicative of a soot accumulation and at least one device providing an operating parameter ind...  
WO/2012/108809A1
A method of calibration of at least one fuel injector for a fuel burner in an exhaust gas treatment system for an internal combustion engine is therefore suggested. The inventive method is adapted for an exhaust gas system having said fu...  
WO/2012/109504A3
An after-treatment device that includes a diesel particulate filter (DPF) requiring periodic regeneration includes a sensor providing a signal indicative of a soot accumulation and at least one device providing an operating parameter ind...  
WO/2012/105396A1
The present invention addresses the problem of providing an exhaust treatment device for a diesel engine that is capable of suppressing a deterioration in fuel consumption and a decrease in output. To solve this problem, this exhaust tre...  
WO/2012/105890A1
The present invention relates to a method pertaining to regeneration of a particle filter (202) in a post-treatment system (200), which particle filter (202) is intended to treat an exhaust flow arising from combustion in a combustion en...  
WO/2012/102664A1
Exhaust post-treatment system for a combustion engine, comprising an exhaust post-treatment device (10), e.g. in the form of a catalyst or a filter; a sensor (22) adapted to determining a measurement signal for the magnitude of a paramet...  

Matches 151 - 200 out of 3,052