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Patent Searching and Data


Matches 501 - 550 out of 2,136

Document Document Title
WO/2014/032050A1
According to one embodiment, a method (100) for cleaning and requalifying a component of an exhaust aftertreatment system includes inspecting (140) the component using an x-ray processing technique. The method further includes associatin...  
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/2014/018857A1
A system (40, 140) for determining ash height in a filter (10, 110) is disclosed. The system may comprise a string (42, 142), and a pressure source (44, 144) configured to propel a portion of the string (42, 142) down a channel (12, 112)...  
WO/2014/016597A1
An exhaust fluid treatment apparatus may be used to treat exhaust fluid emitted by a combustion engine. It may be desirable to check the functionality of the exhaust fluid treatment apparatus. A method of monitoring operation of an exhau...  
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/2014/007753A1
The invention relates to a method pertaining to an SCR system wherein a reducing agent is provided an exhaust gas stream from an engine (231) for purifying the exhaust gas with respect to among other things content of NOx and wherein the...  
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/2014/001054A1
The invention relates to a method for planning a vehicle diagnosis in a vehicle (2), comprising the steps: estimating the operating behaviour (40) of the vehicle (2) on a route (6) to be travelled by said vehicle (2); and planning the ve...  
WO/2014/001053A1
The invention relates to a method for operating a vehicle (4) comprising the steps: specifying a temporal nominal power requirement (68, 70) of the vehicle (4) from an internal combustion engine (7); and connecting an auxiliary unit (9) ...  
WO/2013/191728A1
A method for two point calibration of a tunable diode laser (TDL) spectrometer for the specific wavelength of light from the TDL v. the specific current fed to the TDL, for the slope of wavelength of light from the TDL v. the current fed...  
WO/2013/189806A1
The invention relates to a method for the functional control of a sensor (10) for detecting particles, in particular soot, wherein the sensor (10) comprises at least two measurement electrodes (20), which are arranged on a substrate (18)...  
WO/2013/190315A1
Method and apparatus for estimating a dosing-error in a selective catalytic reduction system A method for determining if a selective catalytic reduction (SCR) device (20) that is dosed with a reductant is being mis- dosed by considering ...  
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/2013/182617A1
The invention is characterized by a method for checking the leak-tightness of hydraulic components in an exhaust gas aftertreament unit of an internal combustion engine. The exhaust gas aftertreament unit operates with liquid reductant a...  
WO/2013/180364A1
Disclosed is a method of diagnosing a fault of an oxidation catalyst The method of diagnosing a fault of an oxidation catalyst includes: (a) measuring a first continuous time of outputting a voltage signal corresponding to a stoichiometr...  
WO/2013/179131A1
A catalyst protection device includes: a catalyst provided in an exhaust system of an internal combustion engine; a bed temperature acquisition unit that acquires a bed temperature for each of a plurality of regions of the catalyst distr...  
WO/2013/178495A1
The invention concerns a method for operating an exhaust gas system (1) of an internal combustion engine (5), comprising at least one heating arrangement (4) and a catalytic converter (3) for converting hydrocarbons, the heating arrangem...  
WO/2013/167443A1
A sensor element for a sensor for detecting substances contained in a gas flow is described. The sensor element has a ceramic carrier and an open measuring electrode which is arranged on the carrier and is exposed to the gas flow. The me...  
WO/2013/164548A2
The invention relates to a method for treating exhaust gases of a supercharged internal combustion engine (1) of a motor vehicle, said gases being partially recirculated at high pressure and low pressure to the intake, said method includ...  
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/2013/152780A1
The invention concerns a self-diagnosing method for diagnosing a selective catalytic reduction (SCR) system of a vehicle, The vehicle comprises an internal combustion engine (2), the SCR system is arranged downstream of the engine (2), 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/2013/141793A1
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/2013/141780A1
The invention relates to a method pertaining to an SCR system which comprises a feed device (230) to supply reducing agent to a dosing device (250) from a container (205) for reducing agent, which dosing device (250) comprises a valve co...  
WO/2013/126202A1
A method for treating a catalyst in an internal combustion engine is disclosed. The method comprises detecting the efficiency of a catalyst; sending the catalyst efficiency to a threshold monitor; and heating the catalyst when the detect...  
WO/2013/120772A1
The invention relates to a method for estimating the ratio between the upstream pressure and the downstream pressure in the turbine of a turbocharger for a motor vehicle, including the following steps: obtaining the estimation of the mas...  
WO/2013/116122A1
A system and method includes an exhaust aftertreatment system for an internal combustion engine having a reductant stored in a solid storage media. The reductant is released by heating the solid storage media to convert the reductant to ...  
WO/2013/110873A1
The invention relates to a method for the thermal protection of the components of the exhaust line of a heat engine according to which the temperatures of the exhaust gases and the walls of the exhaust line are predetermined and accordin...  
WO/2013/104872A1
According to the invention, the management of a motor vehicle power train includes a method for adjusting the amount (MC) of reducing agent crystals in an exhaust line (11) and/or in the injection device (13), and the amount (MH) of hydr...  
WO/2013/100261A1
Disclosed is a diesel engine exhaust gas post-treatment apparatus. The diesel engine exhaust gas post-treatment apparatus includes: a main body substantially reducing particulate matters (various harmful particle-shaped materials includi...  
WO/2013/100845A1
The present invention relates to a method for desulphurization of a post-treatment system (200), which system is intended to treat an exhaust flow arising from combustion in a combustion engine (101) and comprises at least one first comp...  
WO/2013/092018A1
The invention relates to a method for determining a polarization of a pump cell and/or a Nernst cell of a lambda probe for diagnosing the broadband lambda probe. The invention provides for a voltage or current pulse (12) to be applied to...  
WO/2013/086358A1
An exhaust treatment system includes an exhaust treatment device. The exhaust treatment device includes a shell, and a sensor boss configured to support a sensor device is mounted to the shell. A Pitot tube that is configured to communic...  
WO/2013/084019A1
The invention relates to a system for treating the exhaust gases of an internal combustion engine arrangement (10), said device comprising: at least one catalytic converter (22); a catalytic sensor (28) upstream from or in parallel with ...  
WO/2013/084041A1
An exhaust gas cleaning catalyst is provided in an exhaust passage of an internal combustion engine to convert NOx in exhaust gas. The exhaust gas cleaning catalyst includes a carrier; a plurality of kinds of metal catalysts which are su...  
WO/2013/081529A1
The present invention relates to a method pertaining to adaptation of at least one injector (301-306) for a combustion engine (101), such that said engine (101) comprises at least one combustion chamber, fuel is injected into said at lea...  
WO/2013/074022A1
The present invention relates to a method for determination of particle emissions pertaining to a combustion engine, such that a post-treatment system comprising at least one particle filter is provided to post-treat an exhaust flow aris...  
WO/2013/074023A1
The present invention relates to a method for diagnosis of a combustion engine, such that a post-treatment system (200) comprising at least one particle filter (202) is provided to post-treat an exhaust flow arising from combustion in sa...  
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/2013/068143A1
The invention relates to a method for ascertaining the NO2 concentration downstream of a catalytic exhaust gas after-treatment device (6) in an exhaust gas after-treatment system of an internal combustion engine (1) by means of an NO2 fo...  
WO/2013/064769A1
The invention relates to a method of testing endurance of an element of an exhaust line of a combustion engine (1), the line comprising upstream of the element a means for introducing a solution of urea (4) for the selective catalytic re...  
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/2013/050167A1
A method and an arrangement for monitoring an exhaust system (10) of an internal combustion engine are disclosed. In said method and arrangement, temperature variations are measured upstream and downstream of an installation location (16...  
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/2013/043105A1
The invention relates to a method pertaining to an SCR system for exhaust cleaning, whereby reducing agent is supplied to a feed device (230) which supplies it to a dosing unit (250) for batched supply of reducing agent by means of a val...  
WO/2013/032390A1
The invention relates to a method pertaining to an SCR system whereby reducing agent is supplied to an exhaust flow upstream of an SCR catalyst (260), the content of NOx in the exhaust gases is measured upstream and downstream of the SCR...  
WO/2013/032398A1
The invention relates to a method, in an SCR system in which reducing agent is supplied to an exhaust flow upstream of an SCR catalyst (260), for deciding whether a NOx sensor (245; 255) is situated in the exhaust duct (241; 251 ) of an ...  
WO/2013/025482A1
An emissions output of an engine, such as a diesel generator, may be determined from the load on the engine and an exhaust volume from the engine. Chemicals such as nitrogen oxide (NOx) may be calculated for a measured load on the engine...  
WO/2013/021278A1
An internal combustion engine control apparatus includes a secondary air supply device having a secondary air supply passage that supplies secondary air pumped by an air pump into an exhaust system of an internal combustion engine and an...  

Matches 501 - 550 out of 2,136