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Patent Searching and Data


Matches 351 - 400 out of 1,671

Document Document Title
WO/2008/138682
The invention relates to a diagnostic method for a reagent material to be introduced into an exhaust gas region (11) of an internal combustion engine (10), or a precursor of the reagent material, which is required to convert at least one...  
WO/2008/139146
A reaction vessel (368) comprises a liquid level of urea solution and a gaseous hydrolysis product having a gas ratio which contains at least some amount of ammonia gas. The production of the gaseous hydrolysis product is controlled by r...  
WO/2008/138849
The present invention relates to a method for the detection of particles in a gas flow with a sensor element comprising at least two electrodes, by applying a measurement voltage to the electrodes of the sensor element during a measureme...  
WO/2008/138023
The invention relates to a method for the operation of a filter arrangement for the separation of soot particles out of the exhaust-gas flow of a diesel engine, in which method the exhaust-gas flow is conducted through ducts (5) of a cer...  
WO/2008/139146
A reaction vessel (368) comprises a liquid level of urea solution and a gaseous hydrolysis product having a gas ratio which contains at least some amount of ammonia gas. The production of the gaseous hydrolysis product is controlled by r...  
WO/2008/135535
The method according to the invention for providing ammonia for the selective catalytic reduction of nitrogen oxides in the exhaust system of an internal combustion engine comprises the following steps: a) recording at least one actuatin...  
WO/2008/129184
The invention relates to a method for urea injection in an exhaust line muffler of an engine (1), the urea containing ammonia which is used to chemically reduce, in a selective catalytic reduction reaction, called SCR, the nitrogen oxide...  
WO/2008/115843
A method for simultaneously measuring one or more properties (e.g. temperature, concentration of NOx and ammonia, etc) in an exhaust gas mixture. Signals from one or more sensors that are cross-sensitive to one or more gases can be combi...  
WO/2008/115843
A method for simultaneously measuring one or more properties (e.g. temperature, concentration of NOx and ammonia, etc) in an exhaust gas mixture. Signals from one or more sensors that are cross-sensitive to one or more gases can be combi...  
WO/2008/107598
The invention relates to an electrostatic filter device of the type including at least one basic filtration module defining, in the inside thereof, a housing (1) for the exhaust gases and having, upstream from the flow, a particle electr...  
WO/2008/108955
A fluid injector (46) for use in an exhaust treatment system (14) is disclosed. The fluid injector may have a nozzle portion, a heater (106) associated with the nozzle portion, and a controller (150) in communication with the heater. The...  
WO/2008/105996
An engine exhaust treatment system (20) is provided. The system may include a catalyst-based device (30) including a catalyst (32) configured to reduce an amount of NOx in exhaust gases produced by an engine (18), by using ammonia stored...  
WO/2008/103113
The invention relates to a system and an on-board-diagnosis method for an exhaust aftertreatment system (10) of an engine (12) comprising a diesel particulate filter unit (60) which encompasses a particulate filter (64) in which soot can...  
WO/2008/103111
The present invention relates to an exhaust gas after treatment system comprising, a diesel particulate filter unit (DPFU) provided downstream of a diesel engine, a selective catalytic reduction (SCR) arrangement provided in fluid commun...  
WO/2008/090433
An exhaust line fuel injection system (1) and associated methods of operation and control are disclosed. The fuel passes through a regulating valve (11, 60, 70, 80) having an inlet (62, 81) connected to a pressurized fuel source (20) and...  
WO/2008/083917
The invention relates to a method for controlling the temperature of a gas post-treatment system (21, 22) in the exhaust circuit (2) of a thermal engine (10) having a more or less rich combustion mode, in which at least post-treatment me...  
WO/2008/081286
An exhaust gas control apparatus for an internal combustion engine, which has a three-way catalyst (21) and a NOX storage-reduction catalyst (22), also includes rich controlling means for performing control to make an air-fuel ratio of e...  
WO/2008/082464
An exhaust treatment system (10) of a power source system includes a filter (20) having an inlet (23) and an outlet (25) and a first exhaust line (14) located between the filter and a power source (12) of the power source system. The exh...  
WO/2008/082467
An exhaust gas treatment system (10, 100, 200, 300) of an internal combustion engine (12) includes a selective catalytic reduction catalyst (19) fluidly connected to the internal combustion engine (12), an oxidation catalyst fluidly conn...  
WO/2008/081286
An exhaust gas control apparatus for an internal combustion engine, which has a three-way catalyst (21) and a NOX storage-reduction catalyst (22), also includes rich controlling means for performing control to make an air-fuel ratio of e...  
WO/2008/079299
One embodiment is a method including a unique soot loading metric. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and drawings.  
WO/2008/079183
A particulate trap regeneration system is provided, which may include a particulate trap (24) having a filter medium configured to remove one or more types of particulate matter from an exhaust flow of an engine and a regeneration device...  
WO/2008/072265
A control system (1,1') is described for a condensate sensor (2) for boilers, comprising a condensate sensor (2) positioned in an exchanger of said boiler so that when said condensate forms in the exchanger the sensor (2) is in contact w...  
WO/2008/065287
Exhaust system for an internal combustion engine (1) of a motor vehicle which is equipped with a first oxidation catalytic converter or precatalytic converter (4) positioned near the outlet of gas from the engine, and with a particulate ...  
WO/2008/061896
Proposed is a method for assessing the completeness of a regeneration of a particle filter (10) which is traversed by the exhaust gas of an internal combustion engine (12), wherein a pressure difference (dp) which is generated across the...  
WO/2008/059166
The invention relates to a method for the calibration and/or management of an exhaust line of a motor vehicle comprising a particle filter (X), said method comprising an initial step of measuring, over a representative population of the ...  
WO/2008/054631
An exhaust treatment system (14) for a combustion source (10) is disclosed. The exhaust treatment system may have a supply of catalyst (38) configured to lower the combustion threshold value of an exhaust constituent, and an injector (42...  
WO/2008/053105
A method of regenerating a PF (4a,4b) of an exhaust line of a diesel engine, intended to eliminate at least some of the soot particles trapped in said PF during the operation of said engine, comprises the following steps: producing ozone...  
WO/2008/054632
A method (1000) of regenerating a particulate filter (34, 40) is disclosed. The method involves heating the particulate filter to an intermediate temperature, and maintaining the particulate filter at the intermediate temperature until s...  
WO/2008/054627
An exhaust system (12) for a combustion engine (10) is disclosed. The exhaust system (12) may have a housing (20) connected to receive a flow of exhaust. The exhaust system (12) may also have a first catalyst (22) disposed within the hou...  
WO/2008/050049
The device comprises a temperature sensor (17) sensing the temperature Tupstreamupstream of a catalytic oxidation means and a regulator (20) receiving the difference between the temperature Ts measured downstream of the catalytic convert...  
WO/2008/047017
The invention relates to a system for treating the exhaust gases of a diesel engine (1) fitted with a turbocharger (2) equipped with a turbine (4) and with a compressor (3), said system comprising a fuel injector (7) and one or more devi...  
WO/2008/040905
The invention relates to a method and to a device for performing diagnostics on a system for eliminating particles from exhaust gases of a vehicle. The diagnostics method involves at least a first step of detecting failure of a switch (1...  
WO/2008/040898
The invention relates to a system (1) for estimating the amount of particles trapped in a particle filter (FAP) (4) with which an exhaust line (11) of a vehicle diesel engine (7) is equipped, the system comprising: first, second and thir...  
WO/2008/037901
The invention relates to a method for controlling the regeneration of an anti-pollution system placed on an exhaust line (3) of an internal combustion engine (1), wherein, in order to carry out said regeneration, fuel is injected into th...  
WO/2008/037902
The invention relates to a control device for an engine assembly with a diesel engine for a motor vehicle. When a predetermined value of pressure difference on either side of a particle filter has been reached but when a predetermined pa...  
WO/2008/034662
The invention relates to a filter element (18), in particular for filtering exhaust gases of an internal combustion engine (10), wherein the filter element (18) has electrically conducting elements (42) on its outside (36) for a measurem...  
WO/2008/036466
Gas treatment systems are described that allow for modular development of gas treatment systems, for example exhaust gas aftertreatment systems, using generally standardized parts. A number of subsections are provided, including a treatm...  
WO/2008/034747
A method is proposed for operating a metering valve (22) which is realized as a solenoid valve which is actuated by an electromagnet (23) which interacts with an armature which is connected fixedly to a valve needle and, furthermore, is ...  
WO/2008/033082
System and method for regenerating a diesel particulate filter (54) in the exhaust system of an internal combustion engine (15) driven vehicle that is equipped with an automatic mechanical transmission (AMT, 20). The particulate load in ...  
WO/2008/012646
An individual exhaust passage is provided independently for each cylinder group in an internal combustion engine having a plurality of cylinder groups each having a plurality of cylinders. A first catalyst is provided in each of the indi...  
WO/2008/012646
An individual exhaust passage is provided independently for each cylinder group in an internal combustion engine having a plurality of cylinder groups each having a plurality of cylinders. A first catalyst is provided in each of the indi...  
WO/2008/006984
The invention relates to a method of controlling the consumption of urea intended to be used in a selective catalytic reduction (of SCR type) processing system for nitrogen oxides, installed in the exhaust line of the engine of a vehicle...  
WO/2008/005089
A particulate sensing system (28) for a particulate trap (19) including a radio frequency transmit circuit (32) and a radio frequency receive circuit (34) is disclosed. The transmit circuit may include a wideband signal generator (62) co...  
WO/2008/000071
A method and apparatus for selecting optimal operating conditions of a genset is disclosed. The genset includes an engine coupled to an electrical power generator, the genset having a plurality of operating points each including an engin...  
WO/2007/141433
A burner designed to heat a filtration cartridge (5) for exhaust gases from an engine until oxidation and/or combustion of the solid particles trapped in the cartridge, including a burner body (2) presenting a closed extremity and, on th...  
WO/2007/139177
[PROBLEMS] To provide an exhaust gas purifier suitable for a construction machine equipped with an engine-driven hydraulic pump. [MEANS FOR SOLVING PROBLEMS] An exhaust gas purifier for construction machine, comprising an exhaust gas con...  
WO/2007/137918
The invention relates to a method for operating an SCR-catalyst (16) located in the exhaust system (12) of an internal combustion engine (10); the SCR-catalyst (16) is suitable for storing at least partially a chemical reducing agent and...  
WO/2007/132102
The invention relates to a method for controlling the operation of a reciprocating engine such as a diesel engine and the exhaust line thereof comprising means for controlling the operation of the engine, a particle filter, a monitoring ...  
WO/2007/132104
The invention relates to a system for controlling the triggering of a purge for depollution means which comprise NOx trap means and are integrated into an exhaust line of a motor vehicle, said system comprising means (1) for controlling ...  

Matches 351 - 400 out of 1,671