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Patent Searching and Data


Matches 251 - 300 out of 2,271

Document Document Title
WO/2014/207340A1
A system and method for diagnosing the selective catalytic reduction system of a motor vehicle. A system for diagnosing the selective catalytic reduction system of a motor vehicle provided with an internal combustion engine (1) connected...  
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/2014/202509A1
The invention relates to a method for checking the efficacy of an exhaust gas after-treatment device (9), especially of a catalyst, for an internal combustion engine, exhaust gas generated by a donor internal combustion engine (2) flowin...  
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/2014/200413A1
Method to detect a flow blockage (205) in a fluid system (201), which flow blockage is arranged between a first fluid conduit (203) and a second fluid conduit (204) connected to the first fluid conduit via the flow blockage (205). The me...  
WO/2014/191270A1
The invention relates to a particle sensor (20) for determining a particle content in a gas flow, wherein the particle sensor (20) has, on the surface thereof, at least two interlocking interdigital IDE electrodes (23) and a heating elem...  
WO/2014/189441A1
The invention relates to a method to determine the function of a sensor (235; 245; 255; 265) arranged to determine the level of a component in the exhaust gases from an engine (206), comprising the following steps: - to expose (s420; s45...  
WO/2014/187521A1
The invention relates to a method for operating a driving system (1) having an internal combustion engine (2) and an exhaust gas purifying device (9) through which exhaust gas from the internal combustion engine (2) flows in order to be ...  
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/2014/179641A1
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/2014/177785A1
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/2014/171878A1
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/2014/159041A1
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/2014/150005A1
An apparatus includes an engine output module that determines an engine output power parameter for an engine. The apparatus includes an output power threshold module that determines if the engine output power parameter is below an output...  
WO/2014/141088A1
The present invention relates to an apparatus and method for testing the catalytic efficiency of exhaust components, particularly exhaust components used in heavy- duty diesel engine exhaust systems. The exhaust component typically has a...  
WO/2014/135951A8
An exhaust gas control system of an internal combustion engine includes a urea water tank, a heater, a purifying device, a notification device, and a controller. The controller is configured to determine whether frozen urea water is left...  
WO/2014/135951A1
An exhaust gas control system of an internal combustion engine includes a urea water tank, a heater, a purifying device, a notification device, and a controller. The controller is configured to determine whether frozen urea water is left...  
WO/2014/134273A1
A system for diagnosing and/or determining the performance of a reductant delivery system may include determining a flow rate offset value for the reductant delivery system. A reduced reductant flow rate may be determined for a reductant...  
WO/2014/131961A1
The invention relates to a detection method in which, in the time interval between two regenerations, a list is made of the number of points for measuring the amount of reducing agent estimated outside of a range around the target amount...  
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/2014/120070A1
A method and a system are presented for determining and utilizing pressure in an exhaust gas pipe connected to a combustion engine. A first gas sensor is configured to provide a first measurement value y1 corresponding to a first concent...  
WO/2014/118452A1
The invention relates to a method for diagnosing a particle filter by means of a soot capturing device, said method being based on the direct processing of the temporal signal supplied by the soot capturing device (CAP) and the use of va...  
WO/2014/121004A1
An apparatus and system for monitoring and communicating emissions data for a diesel engine. An exhaust gas analyzer uses infrared light to measure the quantity of trace gases and particulates in an exhaust gas outlet from a diesel engin...  
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/2014/095154A1
A method for diagnosing a nitrogen oxide trap designed to store nitrogen oxides emitted by an internal combustion engine of a motor vehicle, characterised in that it comprises at least steps consisting of: - determining the instant effic...  
WO/2014/090497A1
An on-board diagnostic of a vehicle having an internal combustion engine is designed to detect loss of filter matrix in a particle filter of an exhaust system. Two diagnostic checks are run simultaneously, and respectively optimised to d...  
WO/2014/090485A1
A method for diagnosing (44) a nitrogen oxide trap that is able to decompose, during a regeneration phase, the nitrogen oxides stored in the trap by reaction with reducers, comprising: - a step (48) of determining a diagnostic criterion ...  
WO/2014/090701A1
An on-board diagnostic for a particle filter of a vehicle exhaust system records repeating data about flow and pressure around the particle filter. Data is recorded in virtual data bins having successive thresholds or filters within a nu...  
WO/2014/079523A1
The invention relates to a method for monitoring the formation of nitrogen dioxide at an oxidation catalytic converter (26) which is arranged in an exhaust system (10) of a vehicle, in which a content of nitrogen oxides in the exhaust ga...  
WO/2014/072718A1
An on-board diagnostics system for an exhaust system of an internal combustion engine is disclosed. The system comprises one or more ferromagnetic materials and a means for measuring magnetic field strength. Also disclosed is a method fo...  
WO/2014/070262A1
A quantity of ammonia being consumed within an exhaust system of an internal combustion engine to reduce NOx in exhaust passing through the exhaust system by chemical reactions enabled by an SCR catalyst is calculated by processing, in a...  
WO/2014/037144A1
The invention relates to a measurement element (50) and a method for differentiating various kinds of liquids (12), in particular for measuring a concentration of an aqueous urea solution, wherein a phase transition of a liquid (12) or a...  
WO/2014/037645A1
The invention relates to a method for detecting the positioning direction of an asymmetric particle filter. The method is characterised in that it comprises: a step (Du) of unitary diagnosis of the positioning direction of the particle f...  
WO/2014/035323A1
The present invention pertains to a method to establish a sensor function for a PM sensor (213) intended for the determination of a particle concentration in an exhaust stream resulting from combustion in a combustion engine (101), where...  
WO/2014/035324A1
The present invention pertains to a method to establish a sensor function for a PM sensor (213) intended for the determination of a particle content in an exhaust stream resulting from combustion in a combustion engine (101), where an af...  
WO/2014/035321A1
The present invention pertains to a method to establish a sensor function for a PM sensor (213) intended for the determination of a particle content in an exhaust stream resulting from combustion in a combustion engine (101), where an af...  
WO/2014/035322A1
The present invention pertains to a method to establish a sensor function for a PM sensor intended for the determination of a particle content in an exhaust stream resulting from combustion in a combustion engine (101), where an aftertre...  
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...  

Matches 251 - 300 out of 2,271