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Patent Searching and Data


Matches 401 - 450 out of 2,703

Document Document Title
WO/2016/089285A1
A waste heat recovery (WHR) system for use in a drive system and a method for controlling such a system. The system includes a heat exchanger (3), an exhaust channel (4) for carrying exhaust gas from a combustion engine (1) through the h...  
WO/2016/089036A1
A selective catalytic reduction system comprises: a reductant injection module provided at an exhaust pipe in which an exhaust gas is discharged from an engine, and injecting the reductant into the exhaust pipe; a temperature calculation...  
WO/2016/082850A1
An exhaust assembly (3) comprises a recirculating passage (5) at the exhaust side of an engine extending from a first location (P1) to a second location (P2) upstream in the guiding arrangement (4), wherein the first location (P1) is dow...  
WO/2016/066029A1
A device for adjusting and controlling actual amount of supply of urea entering an exhaust system comprises an electronic control unit (1), a compressed air source device (2), a urea storage device (3), a compressed air control device (4...  
WO/2016/069852A1
An exhaust management system for use in a motor vehicle having a muffler and a combustion engine generating an exhaust also has a bypass channel configured to be mounted to bypass the muffler of the exhaust system. The system also has a ...  
WO/2016/068867A1
A system for determining a performance status of an exhaust aftertreatment system may include determining an ammonia-to-nitrogen ratio using a sample ammonia input value and a sample NOx input value. An actual NOx input value and an actu...  
WO/2016/058775A1
The invention relates to an internal combustion engine (10) having a secondary air system (20), wherein the cylinders (Z1-Z6) are divided into at least two cylinder banks (ZB1, ZB2) and each cylinder bank (ZB1, ZB2) is associated with a ...  
WO/2016/051044A1
The invention relates to a motor vehicle combustion engine configured to select a calculation rule used by the module (10) for determining the mixture strength set value at the probe and/or by the regulation module (9) from a first calcu...  
WO/2016/046617A1
In a hybrid vehicle, in a case where a temperature of a catalyst is equal to or larger than a prescribed temperature that is a temperature at which purification of an exhaust gas in the catalyst begins, and charging of a storage battery ...  
WO/2016/032808A1
An exhaust heat recovery system may provide a select amount of throttling to accelerate the warm up of an associated vehicle.s systems. The vehicle.s exhaust system may include a first passage, a second passage that contains a heat excha...  
WO/2016/030025A1
Method for removal of soot, ash and metals or metal compounds, together with removal of NOx and SOx being present in process off-gasses or engine exhaust gasses.  
WO/2016/031114A1
A particulate filter (23) for trapping the particulate matter which is contained in the exhaust gas is provided inside an engine exhaust passage. Additional fuel is secondarily injected from a fuel injector (3) in an engine expansion str...  
WO/2016/029926A1
Method and system for removal of soot, ash and heavy metals, and optionally additionally NOx and SOx being present in exhaust gas from an engine operated on heavy fuel oil.  
WO/2016/028217A1
The invention relates to a method to diagnose an NOx-sensor (222), arranged downstream of an arrangement comprising an SCR-catalyst (270) in a catalytic exhaust treatment system to purify exhausts from an exhaust generating system, compr...  
WO/2016/023940A1
An exhaust system for an internal combustion engine (28) for controlling the release of undesirable emissions from the engine comprises an exhaust pipe (32) for receiving an exhaust flow from the engine, an SCR catalyst (48) arranged in ...  
WO/2016/024398A1
In a failure diagnosis apparatus that carries out standard diagnosis processing in which a failure of the particulate filter is diagnosed by making a comparison between an output value of the PM sensor at the time when a predetermined pe...  
WO/2016/021187A1
An additive amount of a reducing agent to a selective reduction-type NOx catalyst (3) is optimized. An ammonia adsorption amount of the selective reduction-type NOx catalyst (3) is estimated based on one or a plurality of prescribed para...  
WO/2016/018886A1
A method includes providing a dosing command to adjust a dosing amount for an exhaust aftertreatment system; receiving selective catalytic reduction (SCR) inlet nitrous oxide (NOx) data and ammonia oxidation (AMOx) outlet NOx data; deter...  
WO/2016/015800A1
The invention relates to a method and to a control assembly (10) for operating an exhaust gas system of a vehicle in which measuring values are evaluated, which indicate a content of nitrogen oxides in an exhaust gas downstream of a cata...  
WO/2016/016141A1
A method of conditioning an exhaust after-treatment system (106, 107), the method comprising providing a power unit. The power unit comprises: an internal combustion engine (102) which produces exhaust; and an exhaust after-treatment sys...  
WO/2016/012005A1
It is an object of the present invention for a determination of the pressure in the exhaust system of an internal combustion engine to be realized with the least possible complexity. Said object is achieved according to the invention in ...  
WO/2016/010558A1
Exhaust after-treatment systems and methods are disclosed. An example system includes a selective catalytic reduction on filter (SCRF) and a selective catalytic reduction (SCR) catalyst positioned downstream of the SCRF. The system also ...  
WO/2016/006242A1
A device is provided, which makes it possible to perform accurate failure diagnostics for a filter of an internal combustion engine constructed to be capable of using both of gaseous fuel and liquid fuel. The device of the invention comp...  
WO/2016/007073A1
A method and a system for control of a combustion engine in a vehicle is presented. According to the present invention, at least one future speed profile vsin ICE off for an actual speed Vact of the vehicle is simulated during a road sec...  
WO/2015/197330A1
The invention relates to an apparatus (1) for producing ammonia from an ammonia precursor solution, e.g. a urea-water solution or urea, to be converted in a selective catalytic reaction catalyst (SCR catalyst), comprising a reaction cham...  
WO/2015/194155A1
The present invention provides a deterioration diagnosis apparatus for an exhaust gas purification apparatus, including a first sensor that measures the oxygen concentration of the exhaust gas flowing into the exhaust gas purification ap...  
WO/2015/191826A1
A system and method for using feed-back information, such as, for example, system-out NOx levels, to provide for closed-loop selective catalytic reduction control. A reference generation module may adjust an ideal SCR conversion value ba...  
WO/2015/185480A1
An injection system (115) for injecting a liquid medium (120) into an exhaust gas system (100) comprises a positive displacement pump (125) for delivering the medium (120), a drive device (130) for the positive displacement pump (125), a...  
WO/2015/182093A1
An exhaust purification system comprises a particulate filter 26, a selective reduction catalyst 28 which is provided at a downstream side from the filter, an ammonia ingredient feed device 32 which feeds an ammonia ingredient to the sel...  
WO/2015/182812A1
According to an embodiment of the present invention, a motive power apparatus including a selective catalyst reducing system comprises: a first engine for discharging exhaust gas containing nitrogen oxide; a first exhaust passage through...  
WO/2015/182694A1
A burner (20) includes a combustion unit (21), a fuel supply unit (22), a vaporizer (30), an air supply unit (45), and a control unit (50). The fuel supply unit (22) supplies fuel to the combustion unit (21). The vaporizer (30) uses an e...  
WO/2015/181602A1
An estimated trapped amount (PM) that is an estimated value of an amount of particulate matter that is trapped in a particulate filter (15) arranged in an engine exhaust passage is calculated based on an engine operating state, and PM re...  
WO/2015/179720A1
An aftertreatment system may treat exhaust gas discharged from an engine. The system may include first and second selective-catalytic-reduction (SCR) catalysts and a valve. The valve may be disposed upstream of the first SCR catalyst and...  
WO/2015/170031A1
The invention relates to a motor vehicle comprising a module (3) for the selective catalytic reduction of nitrogen oxide and a module (2) for the absorption of nitrogen oxide operating under lean operation conditions in the passive mode,...  
WO/2015/170032A1
The invention relates to a motor vehicle comprising an activation module comprising a body for measuring the quality of the nitrogen-oxide-reducing agent (10), the activation module (9, 10) being designed to switch a module (2) for the a...  
WO/2015/171059A1
The present invention provides a method and a system to monitor a quantity related to a particulate mass M in at least one exhaust pipe arranged downstream of at least one combustion engine. The system comprises a first determination dev...  
WO/2015/167138A1
The present invention relates to: a method for regenerating a catalyst for purifying compressed natural gas lean burn engine exhaust gas so that the catalyst for purifying compressed natural gas lean burn engine exhaust gas, which suppor...  
WO/2015/164454A1
A method includes determining, at a controller (140) having one or more processors, whether an ambient temperature (TAMB) is less than a predetermined temperature (TTH) indicative of frozen reductant in an exhaust system (100) of an engi...  
WO/2015/154640A1
An SCR injection metering module and a control method therefor. The module comprises a bracket (7), a pulse pump (1) mounted at one end of the bracket (7), an upper end cover (8) fixed at the other end of the bracket (7), a spray nozzle ...  
WO/2015/150458A1
The invention relates to a method for heating exhaust gas-conducting components in the exhaust gas tract of an internal combustion engine, in particular a self-igniting internal combustion engine. The aim of the invention is to simply an...  
WO/2015/150153A2
The present invention relates to a method for regenerating exhaust-gas aftertreatment systems capable of storing nitrogen oxides in lean exhaust gas, and in rich exhaust gas to reduce nitrogen oxides to nitrogen. The invention is used in...  
WO/2015/149912A1
The invention relates to a method for operating a drive device that, for purifying of exhaust gas, comprises at least one catalytic converter having an oxygen storage, wherein upstream of the catalyst a pre-catalyst molecular mass of a f...  
WO/2015/147488A1
Disclosed are a method for regenerating a diesel particulate filter, and a diesel particulate filter regenerated thereby. A method for regenerating a diesel particulate filter according to an embodiment of the present invention comprises...  
WO/2015/144276A1
The invention relates to a method for operating an exhaust gas cleaning system (1) connected to an internal combustion engine of a motor vehicle, comprising an SCR catalyst (5) for catalyzed reaction of nitrogen oxides contained in the e...  
WO/2015/147521A1
A ship comprises: a hull; an engine for propelling the hull; a harmful substance reducing device for reducing harmful substances included in exhaust gas discharged from the engine; and a preheating device for the harmful substance reduci...  
WO/2015/144273A1
The invention relates to a method for operating an internal combustion engine (1) with an exhaust gas after treatment system (3), which comprises at least one particulate filter (5). The method is characterized by a parameter-controlled ...  
WO/2015/132644A1
A control apparatus for an internal combustion engine is provided. The control apparatus includes a temperature sensor and an electronic control unit. The temperature sensor is configured to detect the temperature of an exhaust gas contr...  
WO/2015/133092A1
In an exhaust gas purification apparatus for an internal combustion engine in which a filter for trapping PM, and a deflection unit for deflecting exhaust gas flowing into the filter, are arranged in an exhaust passage, in cases where a ...  
WO/2015/130217A1
According to the present invention a method and an exhaust treatment system, are provided for treatment of an exhaust, stream, which results from a combustion in a combustion engine, and comprises nitrogen oxides N0X. The method comprise...  
WO/2015/128053A1
The invention relates to a method for regenerating a particle filter (7) during the operation of an internal combustion engine (3), having the following steps: detecting at least one loading parameter (19, 21, 23) which is characteristic...  

Matches 401 - 450 out of 2,703