EMITEC GESELLSCHAFT FUER EMISSIONSTECHNOLOGIE MBH Patent applications |
Patent application number | Title | Published |
20140260219 | PROCESS FOR PRODUCING A DIFFUSION BARRIER LAYER, PROCESS FOR PRODUCING AN EXHAUST GAS TREATMENT UNIT, EXHAUST GAS TREATMENT UNIT AND MOTOR VEHICLE - A process for producing a diffusion barrier or blocking layer includes providing aluminum oxide on a metal sheet formed of a base material including at least iron, chromium and aluminum. A process for producing an exhaust gas treatment unit includes providing a honeycomb body and a housing in which at least one of the honeycomb body or the housing is formed of the metal sheet and the metal sheet is formed of a base material including at least iron, chromium and aluminum. The metal sheet thus includes, at least in a subregion, a surface layer including at least aluminum oxide and a metal from the group including cobalt and nickel. An exhaust gas treatment unit and a motor vehicle are also provided. | 09-18-2014 |
20140260212 | DEVICE FOR PROVIDING REDUCING AGENT AND MOTOR VEHICLE HAVING THE DEVICE - A device for providing reducing agent includes a tank, a delivery unit disposed at least partially in the tank and having a suction point through which the delivery unit can draw reducing agent out of the tank, and a filter covering the suction point. An intermediate space or chamber is formed between the delivery unit and the filter, and the filter is disposed on the delivery unit in such a way that it can perform a deflection movement away from the suction point if ice forms in the intermediate chamber. A motor vehicle having the device is also provided. | 09-18-2014 |
20140245726 | DELIVERY UNIT FOR DELIVERING A LIQUID ADDITIVE AND MOTOR VEHICLE HAVING A DELIVERY UNIT - A delivery unit for delivering a liquid additive from a tank into an exhaust gas treatment device includes at least a housing which can be mounted on the tank, and a component carrier which carries at least one pump and is fixed in the housing by a clamping plate. A motor vehicle having a delivery unit is also provided. | 09-04-2014 |
20140245723 | DELIVERY DEVICE FOR DELIVERING A LIQUID ADDITIVE OUT OF A TANK, METHOD THEREFOR AND MOTOR VEHICLE HAVING A DELIVERY DEVICE - A delivery device for delivering a liquid additive out of a tank to an exhaust-gas treatment device includes a delivery duct with an overall volume and a pump disposed in the delivery duct. The delivery duct has a flexible wall portion, downstream of the pump in a delivery direction, with an outer side of the flexible wall portion situated opposite the delivery duct and bearing against a stop when a pressure in the delivery duct lies in a predefined operating pressure range. A spring element which is disposed on the outer side is constructed to deform the flexible wall portion in such a way that the overall volume is reduced in size when the pressure in the delivery duct is lower than a threshold pressure. A method for compensating a formation of ice in a delivery device and a motor vehicle having a delivery device are also provided. | 09-04-2014 |
20140245720 | METHOD FOR OPERATING A DOSING DEVICE AND MOTOR VEHICLE HAVING A DOSING DEVICE - A method for operating a dosing device for metering an additive to an exhaust-gas treatment device includes determining a dosing amount of additive required by the exhaust-gas treatment device in step a). Subsequently, in step b), an operating mode for the dosing device is determined by carrying out at least steps b.1) and b.2). In step b.1), at least one characteristic operating value of at least one component of the dosing device is provided being definitive of a degree of aging of the dosing device. In step b.2), an operating mode for the dosing device is set in dependence on the characteristic operating value from step b.1). In step c), the dosing device is operated with the set operating mode so that the dosing amount required in step a) is supplied to the exhaust-gas treatment device. A motor vehicle having a dosing device is also provided. | 09-04-2014 |
20140241951 | EXHAUST-GAS TREATMENT DEVICE - An exhaust-gas treatment device includes a honeycomb body wound and/or stacked with at least partially structured sheet-metal layers forming channels through which an exhaust gas can flow in axial direction from an inlet side to an outlet side. A first section of the sheet-metal layers ends flush at a first end surface associated with at least one of the sides and a second section of the sheet-metal layers ends at a second end surface associated with at least one of the sides. A spacing is provided between the first and second end surfaces because a first axial length of the first section is greater than a second axial length of the second section. The spacing forms a receptacle receiving a heating body, producing a simple electrically heatable exhaust-gas treatment device into which a heating body can be integrated during or after production of the honeycomb body. | 08-28-2014 |
20140230419 | MIXER CONFIGURATION FOR REDUCING AGENT PREPARATION AND MOTOR VEHICLE HAVING A MIXER CONFIGURATION - A mixer configuration for mixing an additive with an exhaust gas stream includes at least one overflow surface which is disposed in a mixing section of an exhaust pipe. The exhaust pipe has a cross section and a main flow direction of the exhaust gas stream. The at least one overflow surface is disposed centrally in the mixing section, is directed along the main flow direction of the exhaust gas stream and has a multiplicity of closed depressions. The mixer configuration permits an excellent mixture of the exhaust gas stream with an additive, without generating a high flow resistance in the process. A motor vehicle having a mixer configuration is also provided. | 08-21-2014 |
20140209201 | MOUNTING HAVING AT LEAST ONE ELECTRODE AND EXHAUST LINE DEVICE HAVING AT LEAST ONE MOUNTING - A mounting includes at least one electrode producing electric fields in an exhaust gas line, a disk of electrically insulating material having inflow and outflow sides and openings for exhaust gas, and at least one electrical conductor fastened to and/or in the disk. The electrical conductor is covered by the electrically insulating material at least on the inflow side and in electrical contact with the electrodes extending toward the outflow side. Since the electrical conductor is completely surrounded by insulating material during operation, an area that must be covered by a soot layer for a leakage current to develop is increased. The leakage length increases and one or more electrodes are in the exhaust gas at the same time. The soot particles deposited on the mounting and the exhaust gas line, need to be removed less often. An exhaust line device having at least one mounting is also provided. | 07-31-2014 |
20140178266 | DEVICE WITH A PARTICLE SCREEN FOR PROVIDING LIQUID REDUCING AGENT - A device for providing a liquid reducing agent includes a tank having an interior space, a vessel at least partly disposed in the inner space of the tank, the vessel being at least partly surrounded by a particle screen through which a liquid can flow, and a delivery unit located in the vessel and configured for delivering reducing agent from the tank, through the particle screen and then out to a take-off or delivery point for reducing agent. | 06-26-2014 |
20140174058 | DEVICE FOR PROVIDING LIQUID REDUCING AGENT AND MOTOR VEHICLE HAVING THE DEVICE - A device for providing liquid reducing agent for an exhaust-gas treatment device includes a tank and a delivery unit with an intake or suction point in the tank at which reducing agent can be suctioned or drawn out of the tank. The intake point is covered by a separation layer in such a way that a closed intermediate space is formed between the intake point and the separation layer. The separation layer has a higher flow resistance to reducing agent in an outflow direction from the intermediate space into the tank than in an inflow direction from the tank into the intermediate space. A motor vehicle having the device is also provided. | 06-26-2014 |
20140165541 | DEVICE FOR THE TREATMENT OF EXHAUST GASES AND MOTOR VEHICLE HAVING THE DEVICE - A device for the treatment of exhaust gases includes at least a first honeycomb body through which the exhaust gas can flow and a second honeycomb body through which the exhaust gas can flow. The first honeycomb body and the second honeycomb body are disposed in series in an exhaust line and a first cross-sectional area of the first honeycomb body is smaller than a second cross-sectional area of the second honeycomb body. The first honeycomb body is disposed eccentrically in the exhaust line. One of the honeycomb bodies, which is electrically heatable, can be connected to a multiplicity of supporting honeycomb bodies for easy installation in a multiplicity of different vehicle models. A motor vehicle having the device is also provided. | 06-19-2014 |
20140157761 | METHOD FOR REGULATING AN IONIZATION DEVICE IN AN EXHAUST-GAS AFTERTREATMENT APPARATUS AND MOTOR VEHICLE IN WHICH THE METHOD IS CARRIED OUT - A method for regulating an ionization device in an exhaust gas after-treatment device of an internal combustion engine, includes placing at least one cathode at a distance from an anode in the exhaust gas after-treatment device, applying a high voltage between the at least one cathode and the anode, predefining a first value for the high voltage, detecting a current generated by the high voltage between the at least one cathode and the anode and predefining a second value for the high voltage if the detected current exceeds a predefinable first current intensity for a predefinable number of times. A motor vehicle in which the method is carried out is also provided. | 06-12-2014 |
20140150412 | DEVICE FOR SUPPLYING LIQUID REDUCING AGENT AND MOTOR VEHICLE HAVING THE DEVICE - A device for supplying liquid reducing agent for an exhaust gas treatment device, includes at least a tank with an interior in which reducing agent can be stored, an intake in the interior, a delivery device situated in a separate chamber in a tank bottom of the tank, a line leading from the delivery device to the exhaust gas treatment device and passing through the tank bottom at the separate chamber, and a cleaning layer covering the intake. An intermediate space is formed between the intake and the cleaning layer and contains at least one sponge element which can absorb reducing agent and from which the delivery device can extract reducing agent through the intake. A motor vehicle having the device is also provided. | 06-05-2014 |
20140112850 | DEVICE HAVING AN ELECTRICALLY HEATABLE HONEYCOMB BODY AND METHOD FOR OPERATING THE HONEYCOMB BODY - A device for exhaust gas treatment in an exhaust system of an internal combustion engine, in particular in a motor vehicle, includes an electrically heatable honeycomb body through which an exhaust gas can flow. The honeycomb body is disposed in a casing tube and has at least one current-conducting structure with electric insulation for voltages greater than 24 V. A current-generating pulsed voltage is applied to the structure to heat the honeycomb body. It is thus possible for heating elements in the exhaust-gas flow to be powered by an on-board electrical system voltage of for example 48 V. A method for operating the honeycomb body is provided with which, even at operating voltages greater than 24 V, the generation of heat in the electrically heatable honeycomb body can be kept in a desired range by adjustment of a pulse width and/or repetition frequency of the pulsed voltage. | 04-24-2014 |
20140109555 | METHOD FOR TREATING EXHAUST GAS CONTAINING SOOT PARTICLES - A method for converting soot particles of an exhaust gas includes providing at least nitrogen dioxide or oxygen in the exhaust gas, ionizing soot particles with an electric field, depositing electrically charged soot particles on inner channel walls of at least one surface precipitator, and bringing at least nitrogen dioxide or oxygen into contact with the deposited soot particles on the inner channel walls of the at least one surface precipitator. A device for carrying out the method includes at least one surface precipitator having a plurality of channels through which the exhaust gas can flow and extending between an inlet region and an outlet region, and at least one deposit inhibitor for electrically charged soot particles provided in at least part of the inlet region, especially allowing the soot particles to be evenly deposited and the surface precipitator to be continuously regenerated. | 04-24-2014 |
20140096512 | REDUCING AGENT TANK HAVING A SENSOR FOR DETERMINING A FILL LEVEL AND MOTOR VEHICLE HAVING THE TANK - A tank for a reducing agent includes a tank wall having an outer side and an interior at least partially delimited by the tank wall. A sensor is disposed at the tank wall and has a first electrical contact and a second electrical contact. The first electrical contact and the second electrical contact communicate in an electrically conductive manner with the interior, extend through the tank wall from the interior to the outer side of the tank wall and are disposed at a first spacing of less than 5 cm from one another. A motor vehicle having the tank is also provided. | 04-10-2014 |
20140034170 | INJECTOR FOR A UREA-WATER SOLUTION - An injector for a urea-water solution includes at least a main body with a fitting for the urea-water solution, a valve with a valve drive and a separate feed pipe for the urea-water solution. The separate feed pipe extends at least partly through the main body. | 02-06-2014 |
20140033703 | DEVICE HAVING A HEAT EXCHANGER FOR A THERMOELECTRIC GENERATOR OF A MOTOR VEHICLE AND MOTOR VEHICLE HAVING THE DEVICE - A device having a heat exchanger includes a housing having a first end side and a second end side disposed along an axial direction, an inlet at the first end side and an outlet at the second end side for a fluid, a first annular channel connected to the inlet and a second annular channel upstream of the outlet, at least one outer jacket tube and at least one inner jacket tube disposed mutually concentrically and defining an intermediate space therebetween, a plurality of flow paths for the fluid extending in the axial direction in the intermediate space and interconnecting the first channel and the second channel, and at least one heat exchanger tube disposed in each of the plurality of flow paths. A motor vehicle having the device is also provided. | 02-06-2014 |
20140033702 | DEVICE HAVING A HEAT EXCHANGER FOR A THERMOELECTRIC GENERATOR OF A MOTOR VEHICLE AND MOTOR VEHICLE HAVING THE DEVICE - A device having a heat exchanger includes a housing having an inlet and an outlet for a fluid and an inner tube having a first end face extending in axial direction, an opposite second end face and a circumferential surface having openings. A plurality of heat exchanger tubes is disposed parallel to the axial direction on the outside of the circumferential surface. The housing encloses the heat exchanger tubes and the inner tube and the inlet is fluidically connected to the first end face. Guide elements are disposed between the heat exchanger tubes so that the fluid entering the inner tube through the first end face flows out across the heat exchanger tubes in radial direction starting from the inner tube. The device is used particularly for constructing a thermoelectric generator for positioning in the underbody of a motor vehicle. A motor vehicle having the device is also provided. | 02-06-2014 |
20140033684 | METHOD FOR OPERATING AN SCR DOSING UNIT AND MOTOR VEHICLE HAVING A DOSING UNIT - A method for operating a dosing unit for dosing reducing agent into an exhaust gas treatment device for purifying the exhaust gases of an internal combustion engine, includes providing the dosing unit with at least one delivery pump, at least one injector and a line section for conducting reducing agent from the delivery pump to the injector. The dosing unit is first operated for dosing reducing agent into the exhaust gas treatment device. Then, the dosing unit is shut off. Subsequently, a first pressure is maintained in the line section for at least a first time period, with the first pressure exceeding atmospheric pressure. A motor vehicle having the dosing unit is also provided. | 02-06-2014 |
20140026540 | COMPACT EXHAUST GAS TREATMENT UNIT WITH MIXING REGION, METHOD FOR MIXING AN EXHAUST GAS AND VEHICLE - An exhaust-gas treatment unit includes a housing with a first end and an oppositely disposed second end, a tube extending from the first end to the second end and serving as an inflow region for an exhaust gas, a deflecting region in the vicinity of the second end for the exhaust gas, and a return flow region extending between the tube and the housing. In the deflecting region, the exhaust gas is mixed and transferred into the return flow region. A method for mixing an exhaust gas in an exhaust-gas treatment unit and a vehicle having the exhaust-gas treatment unit and carrying out the method, are also provided. | 01-30-2014 |
20130340803 | THERMOELECTRIC MODULE FOR A THERMOELECTRIC GENERATOR OF A VEHICLE AND VEHICLE HAVING THERMOELECTRIC MODULES - A thermoelectric module includes an interrupted inner circumferential surface, an axis and an outer circumferential surface. A plurality of semiconductor elements having thermoelectric material are disposed in direction of the axis and between the inner circumferential surface and the outer circumferential surface and are electrically alternately connected to each other. At least some of the semiconductor elements include at least one inner frame part or an outer frame part and at least the inner frame parts form the interrupted inner circumferential surface. The inner circumferential surface also forms a cold side of the thermoelectric module and a dimensionally unstable sheath is provided at least at the interrupted inner circumferential surface. A vehicle having a plurality of thermoelectric modules is also provided. | 12-26-2013 |
20130340409 | METHOD FOR HEATING A DELIVERY SYSTEM AND MOTOR VEHICLE HAVING A DELIVERY SYSTEM - A method for heating a delivery system providing reducing agent to an exhaust gas treatment device of an internal combustion engine having electrical components, includes determining a temperature in the delivery system, determining thermal energy required for error-free operation of the delivery system in a time interval, and introducing the required thermal energy into the delivery system by operating the electrical components within the time interval. The electrical components are activated at a time offset of at least 30 seconds. The required energy is determined so that the quantity of reducing agent to be delivered hourly is provided in liquid form at least four times after the time interval. The method prevents overloading of an electrical system of a motor vehicle when heating the delivery system and prevents ice cavity formation in a reducing agent in a tank. A motor vehicle having a delivery system is also provided. | 12-26-2013 |
20130319550 | CONVEYING UNIT FOR CONVEYING REDUCING AGENT - A conveying unit for conveying reducing agent from a tank to an exhaust gas treatment device for cleaning the exhaust gases from an internal combustion engine, includes a flange defined at least by a first side and a second side. The first side and the second side are disposed so as to be mutually opposed, at least in part. At least a filter, a biased ice pressure compensator and/or a flexible ice pressure compensator are disposed on the first side. At least a pump, a pressure sensor and/or a temperature sensor are disposed on the second side. | 12-05-2013 |
20130306156 | APPARATUS HAVING AN EXHAUST GAS TREATMENT DEVICE WITH AN INJECTOR FOR SUPPLYING A FLUID, MOTOR VEHICLE HAVING THE APPARATUS AND METHOD FOR OPERATING THE MOTOR VEHICLE - An apparatus includes an exhaust gas treatment device for purifying exhaust gases of an internal combustion engine. The exhaust gas treatment device includes at least one injector for supplying a fluid to the exhaust gas treatment device and at least one fan permitting ambient air to be actively delivered to the injector on demand, in order to cool the injector. A motor vehicle having the apparatus and a method for operating the motor vehicle are also provided. | 11-21-2013 |
20130305743 | THERMOELECTRIC MODULE WITH A HEAT CONDUCTING LAYER AND METHOD OF MANUFACTURING A THERMOELECTRIC MODULE - A thermoelectric module includes a cold side, a hot side and thermoelectric elements disposed between the two sides. At least one heat conducting layer is disposed between the thermoelectric elements and at least the cold side or the hot side and the heat conducting layer can be compressed. A method for producing a thermoelectric module having at least one heat conducting layer is also provided. | 11-21-2013 |
20130305691 | METHOD FOR OPERATING AN EXHAUST GAS SYSTEM, METHOD FOR OPERATING A MOTOR VEHICLE AND MOTOR VEHICLE HAVING THE SYSTEM - A method for operating an exhaust gas system of an internal combustion engine having at least one adsorber for the adsorption of hydrocarbons, a catalytic converter disposed downstream of the adsorber for converting hydrocarbons and at least one heating device disposed between the adsorber and the catalytic converter, includes adapting operation of the heating device in dependence on a state of aging of the catalytic converter. A method for operating a motor vehicle and a motor vehicle having the system are also provided. | 11-21-2013 |
20130259759 | CONFIGURATION HAVING TWO INTERCONNECTED EXHAUST GAS TREATMENT DEVICES - A configuration includes two exhaust gas treatment devices disposed in succession in an exhaust gas line. A first exhaust gas treatment device has a first subregion connected through at least one support body to a second subregion of a second exhaust gas treatment device. The support body has opposite ends connected by connections points to respective subregions. At least the second subregion is formed by metallic components that contact one another to form contact surfaces and at most 20% of the area of the contact surfaces have brazed or solder connections and/or diffusion connections. | 10-03-2013 |
20130259751 | EXHAUST GAS SYSTEM WITH A REDUCING AGENT SUPPLY - A method for feeding reducing agent or reducing agent precursor into exhaust systems of mobile internal combustion engines and an exhaust system are preferably used for internal combustion engines with high nitrogen oxide compound emissions. A feed time is established. An exhaust parameter and/or necessary quantity of reducing agent is determined and a feed state of the reducing agent is defined. The reducing agent is treated if the feed state does not correspond to a stored state. The reducing agent feed to the exhaust system takes place last. The steps are repeated multiple times. This permits reducing agent to be fed into an exhaust system in a state suitable for the exhaust temperature, so that complete conversion of reducing agent takes place and selectively catalytic reduction is also ensured. This reduces the quantity of electrical energy necessary for converting reducing agent. A motor vehicle having the system is also provided. | 10-03-2013 |
20130255235 | METHOD FOR OPERATING AN EXHAUST-GAS TREATMENT DEVICE AND MOTOR VEHICLE HAVING THE DEVICE - A method for operating an exhaust gas treatment device having at least one heater and at least one supply device for a reducing agent includes initially carrying out a test in order to determine if the reducing agent is to be supplied, and subsequently implementing different heating strategies in each case. In the event that the reducing agent is to be supplied, the exhaust gas treatment device is heated with the heater until a first threshold temperature is reached, if a first temperature lies below the first threshold temperature. In the case when no reducing agent is to be fed, the exhaust gas treatment device is heated with the heater until a second threshold temperature is reached, if a second temperature lies below the second threshold temperature. A motor vehicle having the device is also provided. | 10-03-2013 |
20130255234 | METHOD FOR OPERATING A REDUCING AGENT TANK AND MOTOR VEHICLE IN WHICH THE METHOD IS CARRIED OUT - A method for operating a tank for reducing agent, in particular aqueous urea solution, having a sensor with a first electrical contact and a second electrical contact, includes initially determining a conductance value for liquid reducing agent, a conductance value for frozen reducing agent and a conductance value for air in steps a. | 10-03-2013 |
20130255231 | DEVICE FOR TREATING EXHAUST GAS CONTAINING SOOT PARTICLES AND MOTOR VEHICLE HAVING THE DEVICE - A device for treating exhaust gas containing soot particles includes at least one ionization element for ionizing soot particles, at least one filter element having at least one section to which an electric potential can be applied and at least one agglomeration unit for at least partial agglomeration of electrically charged soot particles. The agglomeration unit is disposed between the ionization element and the filter element and the agglomeration unit has at least one outer pipe and at least one inner element. The filtering power of an exhaust system of an internal combustion engine is therefore increased by an increase in the agglomeration rate of the soot particles. A motor vehicle having the device is also provided. | 10-03-2013 |
20130247549 | CLEANABLE PARTICLE SEPARATOR AND MOTOR VEHICLE HAVING AT LEAST ONE PARTICLE SEPARATOR - A particle separator for treating the exhaust gases of an internal combustion engine includes at least one metallic layer through which exhaust gas can flow. The metallic layer is located in a housing that includes an inlet opening, an outlet opening and a central axis. The housing is provided with at least one inspection or maintenance opening that laterally penetrates the housing and provides a passage through to the metallic layer. The particle separator can, in particular, remain operational without having to be dismantled or can autonomously remain fully open to a flow at all times. A motor vehicle having at least one particle separator is also provided. | 09-26-2013 |
20130247548 | PARTICLE SEPARATOR HAVING A MULTI-PART HOUSING, METHOD FOR PRODUCING THE PARTICLE SEPARATOR AND MOTOR VEHICLE HAVING THE PARTICLE SEPARATOR - A particle separator for treating exhaust gases from an internal combustion engine includes a housing having an inlet opening, an outlet opening, a central axis, a first part with a first joining surface and a second part with a second joining surface. The first and second joining surfaces correspond to one another, so that the first and second parts can be positioned along the central axis relative to one another. At least one metallic layer, through which exhaust gas can flow, spaces the first and second joining surfaces apart over the entire circumference. The particle separator can be manufactured cost-effectively in a simple manner with few measures and, in particular, is suitable for retrofitting to an existing exhaust system. A method for producing the particle separator and a motor vehicle having the particle separator are also provided. | 09-26-2013 |
20130247547 | PARTICLE SEPARATOR WITH A METAL LAYER THROUGH WHICH EXHAUST GAS CAN FLOW AND MOTOR VEHICLE HAVING AT LEAST ONE PARTICLE SEPARATOR - A particle separator for treating the exhaust gases of an internal combustion engine includes a housing having an inlet opening, an outlet opening, a cross section and a central axis. At least one metallic layer, through which exhaust gas can flow, is located in the housing and has an undulation or corrugation that spans the cross section of the housing. The particle separator has a large surface for providing the lowest possible flow resistance and a low risk of clogging. A motor vehicle having at least one particle separator is also provided. | 09-26-2013 |
20130232957 | DELIVERY UNIT FOR A LIQUID ADDITIVE, METHOD FOR OPERATING A DELIVERY UNIT AND MOTOR VEHICLE HAVING A DELIVERY UNIT - A delivery unit for a liquid additive includes a first pump with a first suction port and a first pressure port, a second pump with a second suction port and a second pressure port, and a feed device. The feed device is connected to the first pressure port through a first line system and the first suction port is connected to a tank for the liquid additive through a second line system. The second pressure port is connected to the tank through a third line system and the second line system and the third line system are separated from one another. A method for operating a delivery unit and a motor vehicle having a delivery unit are also provided. | 09-12-2013 |
20130232954 | METHOD FOR OPERATING A METERING APPARATUS, METERING APPARATUS AND MOTOR VEHICLE HAVING A METERING APPARATUS - A method for operating a metering apparatus for reducing agent includes providing the metering apparatus with at least one movable pump element movable between upper and lower reversal points to convey reducing agent into an exhaust-gas treatment component, and at least one position transmitter for determining a pass of the movable pump element. In the method, a first detection of a position of the movable pump element is provided by the position encoder. Subsequently, the movable pump element is moved and reducing agent is metered into the exhaust-gas treatment component. Thereupon, a second detection of a position of the movable pump element is provided by the position encoder, and subsequently a first quantity of reducing agent which is metered between the first and second detections is determined. A metering apparatus and a motor vehicle having a metering apparatus are also provided. | 09-12-2013 |
20130228231 | MOUNTING FOR AN INJECTOR AND INJECTOR DEVICE HAVING AN INJECTOR INTEGRATED IN THE MOUNTING - A mounting for an injector includes at least one main body and a cap jointly or commonly forming a receptacle for the injector. The main body is formed of metal sheets which are connected to each other and together form at least one annular chamber which extends around the receptacle. In particular, a mounting for an injector is provided, which has a simple technical construction and can be cooled (optionally in a controlled manner). Moreover, the mounting has a particularly lightweight construction and is adapted to operation with considerable temperature differences. An injection device integrated in a mounting is also provided. | 09-05-2013 |
20130228204 | SEMICONDUCTOR ELEMENT FORMED OF THERMOELECTRIC MATERIAL FOR USE IN A THERMOELECTRIC MODULE AND THERMOELECTRIC MODULE HAVING SEMICONDUCTOR ELEMENTS - A semiconductor element is formed of a thermoelectric material having at least one aperture, a first end face and an opposite second end face. A cross-sectional surface which is parallel to the first end face or to the second end face extends through the thermoelectric material and through the aperture and has an area which is at most 20% greater than the first front surface and is smaller than the second end face. A thermoelectric module having at least two semiconductor elements is also provided. | 09-05-2013 |
20130219869 | DEVICE FOR CONVEYING LIQUID REDUCING AGENT AND MOTOR VEHICLE HAVING THE DEVICE - A device for conveying a liquid reducing agent from a tank to a supply element includes a connecting element for connecting a reducing agent line, a system heating unit and a heat-conducting structure configured to transport heat from the system heating unit to the connecting element. A motor vehicle having the device is also provided. | 08-29-2013 |
20130216440 | DEVICE FOR TREATING EXHAUST GAS CONTAINING SOOT PARTICLES - A device for treating exhaust gas containing soot particles includes at least one ionization element for ionizing soot particles, at least one filter element having at least one section to which an electrical potential can be applied, and at least one flow-directing device. The flow-directing device can influence a flow of the exhaust gases in such a way that the soot particles can be prevented from being deposited on at least one electric insulation of the ionization element or of the filter element or can be removed therefrom. Soot particles are therefore effectively prevented from being deposited on electric insulation of exhaust gas cleaning components, thereby preventing short-circuits from being produced and permitting exhaust gas systems to be safely operated. | 08-22-2013 |
20130213019 | EXHAUST GAS TREATMENT UNIT FOR AN EXHAUST GAS RECIRCULATION LINE AND INTERNAL COMBUSTION ENGINE AND MOTOR VEHICLE HAVING AN EXHAUST-GAS TREATMENT UNIT - An exhaust gas treatment unit includes a substantially cylindrical exhaust gas treatment body having a main axis and, on at least one opening side of the exhaust gas treatment unit, at least one of the following connecting devices or connectors: an offset compression zone or a molded structure for form-locking engagement. An internal combustion engine includes at least one exhaust gas treatment unit and at least one exhaust gas conducting line. The at least one exhaust gas treatment unit is completely introduced in the at least one exhaust gas conducting line. A motor vehicle having at least one exhaust-gas treatment unit is also provided. | 08-22-2013 |
20130199838 | CONFIGURATION FOR A POWER SUPPLY OF A COMPONENT IN AN EXHAUST GAS SYSTEM - A configuration for a power supply of a component in an exhaust gas system includes at least one electrical contact disposed at an exhaust gas line. The at least one electrical contact is surrounded by an electrical insulation material. | 08-08-2013 |
20130199590 | THERMOELECTRIC MODULE FOR A THERMOELECTRIC GENERATOR OF A VEHICLE WITH A SEALING ELEMENT AND VEHICLE HAVING THE THERMOELECTRIC MODULE - A thermoelectric module includes an inner circumferential surface and an outer circumferential surface each being assigned to a respective hot side or cold side and forming an intermediate space therebetween, a geometric axis and at least one sealing element. The sealing element at least partially forms the inner circumferential surface or is separated from the hot side or cold side disposed there only by an electric insulation layer. The sealing element seals the intermediate space at least with respect to the cold side and has at least one electric conductor connecting at least one thermoelectric element disposed in the thermoelectric module to at least one other electric conductor disposed outside the thermoelectric module. A vehicle having the thermoelectric module is also provided. | 08-08-2013 |
20130192204 | DEVICE FOR PROVIDING LIQUID REDUCING AGENT, METHOD FOR THAWING FROZEN REDUCING AGENT AND MOTOR VEHICLE HAVING THE DEVICE - A device for providing a liquid reducing agent includes a reducing agent tank for storing the liquid reducing agent. The reducing agent tank has at least one heater disposed in a movable manner in the reducing agent tank and constructed as an active heater. A method for thawing frozen reducing agent and a motor vehicle having the device are also provided. | 08-01-2013 |
20130167894 | ANNULAR SEMICONDUCTOR ELEMENT AND ANNULAR INSULATION MATERIAL FOR A THERMOELECTRIC MODULE, THERMOELECTRIC MODULE AND METHOD FOR MANUFACTURING THE MODULE - An annular semiconductor element for producing a thermoelectric module includes at least one groove extending in a radial direction from an internal circumferential face to an external circumferential face. An annular insulation material insulates n-doped and p-doped semiconductor elements and is accordingly disposed on a lateral face of the semiconductor elements. The insulation material has a slit which extends in the radial direction and divides the insulation material. A thermoelectric module and a method for manufacturing the thermoelectric module are also provided. | 07-04-2013 |
20130160809 | TUBULAR THERMOELECTRIC MODULE AND METHOD FOR PRODUCING THE MODULE - A method for producing a thermoelectric module and a tubular thermoelectric module include at least an inner tube, an outer tube and an interspace therebetween. At least a plurality of rings each formed by a plurality of n-doped and p-doped semiconductor elements disposed alternately in a circumferential direction are disposed in succession in an axial direction of the thermoelectric module in the interspace. On an inner side or an outer side of the semiconductor elements of one ring, electrically conductive first connections run only in the circumferential direction and, on an opposite outer side or inner side, at least one electrically conductive second connection electrically conductively connects an n-doped to a p-doped semiconductor element of an adjacent ring and runs at least in the axial direction of the thermoelectric module. | 06-27-2013 |
20130160807 | SEMICONDUCTOR ELEMENT FOR A THERMOELECTRIC MODULE, METHOD FOR PRODUCING THE SEMICONDUCTOR ELEMENT AND THERMOELECTRIC MODULE - A semiconductor element includes at least a thermoelectric material and a first frame part which are force-lockingly connected to one another, with the frame part forming a diffusion barrier for the thermoelectric material and an electrical conductor. A method for producing the semiconductor element as well as a thermoelectric module having at least two semiconductor elements, are also provided. | 06-27-2013 |
20130160433 | APPARATUS FOR MEASURING THE FILLING LEVEL OF A UREA CONTAINER HAVING AN ULTRASOUND SENSOR AND MOTOR VEHICLE HAVING A UREA CONTAINER - An apparatus for measuring a filling level of a urea container by determining distance using sound waves (ultrasound) emitted by a sensor and echoes thereof, includes a urea container bottom and a sump with an overall height. The sump is adjacent the urea container bottom and located below the level of the urea container bottom. The sump is connected in an open manner to the urea container and bounded at the bottom by a sump bottom. The sensor is accommodated in the vicinity of the sump and, with a sound-emitting surface for emitting sound waves and receiving echoes of the sound waves, is fitted in the urea container with the sound-emitting surface of the sensor at most adjacent the level of the urea container bottom. A motor vehicle having the urea container is also provided. | 06-27-2013 |
20130153059 | HOLDER FOR AT LEAST ONE ELECTRODE IN AN EXHAUST-GAS LINE AND APPARATUS HAVING AT LEAST ONE HOLDER - A holder for at least one electrode, in particular a discharge electrode which is suitable for producing a corona discharge, in an exhaust-gas line, includes a body through which an exhaust gas can flow and at least one electric contact for the at least one electrode. Preferably, the at least one electric contact is integrated into the body. An apparatus for fixing at least one electric electrode in an exhaust-gas line is also proposed. The apparatus has at least one such holder and the apparatus has a particle separator disposed downstream in exhaust gas flow direction. | 06-20-2013 |
20130139505 | DEVICE FOR EXHAUST-GAS TREATMENT NEAR AN ENGINE AND MOTOR VEHICLE HAVING THE DEVICE - A device for exhaust-gas treatment near an engine includes an annular structure and a guide structure disposed in an exhaust line. An inner wall forms an inner flow passage and an outer flow passage in the annular structure. The inner wall and the guide structure form a gap in such a way that only a limited secondary flow of the exhaust gas is conducted through the inner flow passage. A motor vehicle having the device is also provided. | 06-06-2013 |
20130118157 | EXHAUST GAS TREATMENT DEVICE AND MOTOR VEHICLE HAVING THE DEVICE - An exhaust gas treatment device includes an exhaust gas treatment component for conducting a flow in a flow direction from an inflow side to an outflow side. A metering device for metering reducing agent into the exhaust gas treatment device is disposed downstream of the outflow side in the flow direction. The metering device has a metering direction which runs at least partially counter to the flow direction. The outflow side of the exhaust-gas treatment component is spanned at least partially by a porous layer and there is a spacing between the metering device and the exhaust-gas treatment component selected in such a way that injected reducing agent reaches the porous layer. A motor vehicle having the device is also provided. | 05-16-2013 |
20130098006 | DEVICE, HAVING A SYSTEM HEATING UNIT, FOR PROVIDING A REDUCING AGENT, HEAT TRANSFER METHOD AND MOTOR VEHICLE - A device for providing a reducing agent for an exhaust gas system includes a system heating unit for heating a reducing agent and at least one heat conduction element transmitting heat from the system heating unit to at least one of the following components: a tank, a delivery line, a filter, a pump, a valve or a sensor. A thermal heating method using a heat pipe and a motor vehicle having the device are also provided. | 04-25-2013 |
20130098005 | DELIVERY PUMP FOR A FLUID, METERING DEVICE HAVING THE DELIVERY PUMP AND MOTOR VEHICLE HAVING THE METERING DEVICE - A delivery pump for delivering a fluid includes a delivery piston to be moved in a delivery direction from a pump inlet to a pump outlet. The delivery piston is supported in an axial bearing having a cooling device for cooling the axial bearing with the fluid. A metering device having the delivery pump and a motor vehicle having the metering device are also provided. | 04-25-2013 |
20130098002 | EXHAUST GAS TREATMENT DEVICE, METHOD FOR PRODUCING A TUBE FOR AN EXHAUST GAS TREATMENT DEVICE AND WATERCRAFT HAVING AN EXHAUST GAS TREATMENT DEVICE - An exhaust gas treatment device for off-road applications includes a housing having a cross-sectional area and a first wall. At least one pipe extends through the first wall and has a second wall with a perforation. The exhaust gas treatment device includes, in particular, a reducing agent supply for urea and an SCR catalytic converter. A method for producing a tube with a perforation for an exhaust gas treatment device and a watercraft having at least one exhaust gas treatment device are also provided. | 04-25-2013 |
20130095003 | HIGH-TEMPERATURE-RESISTANT COMPONENT OF HIGH-GRADE STEEL WITH A COBALT-CONTAINING COATING, EXHAUST-GAS TREATMENT UNIT AND METHOD FOR PRODUCING SUCH AN EXHAUST-GAS TREATMENT UNIT - A high-temperature-resistant component for an exhaust-gas treatment unit, an exhaust-gas treatment unit and a method for producing such a unit, include providing the component or the exhaust-gas treatment unit with a surface layer intended to prevent the formation of chromium carbide bridges during a brazing process for producing the exhaust-gas treatment unit. | 04-18-2013 |
20130061951 | CONTAINER HAVING A DISCHARGE LINE FOR AN OPERATING LIQUID OF A MOTOR VEHICLE, METHOD FOR PRODUCING THE CONTAINER AND MOTOR VEHICLE HAVING THE CONTAINER - A container for an operating liquid or fluid for a motor vehicle includes a container wall which delimits an interior space or chamber of the container. The container has a first wall section, a second wall section and at least one discharge line for discharging the operating liquid out of the container. The discharge line extends from the first wall section to the second wall section and can be adjusted in its length to a distance between the first wall section and the second wall section. A method for producing the container and a motor vehicle having the container are also provided. | 03-14-2013 |
20130036726 | DEVICE FOR STORAGE OF AN OPERATING FLUID FOR A MOTOR VEHICLE, METHOD FOR MOUNTING THE DEVICE, METHOD FOR MONITORING THE DEVICE AND MOTOR VEHICLE - A device for storing or supplying an operating fluid includes a tank with an interior space and a protrusion which protrudes into the interior space and has a circumferential surface. At least one electrode for determining a filling level is disposed radially, running around the circumferential surface. Methods for mounting such a device and for monitoring a reserve filling level as well as a motor vehicle are also provided. | 02-14-2013 |
20130036724 | METHOD FOR METERING A REDUCING AGENT, METHOD FOR SETTING UP A CONTROL UNIT FOR A METERING DEVICE AND MOTOR VEHICLE HAVING A METERING DEVICE - A method for metering a reducing agent from a metering device to an exhaust gas treatment device includes initially determining at least one operating parameter of the metering device. An injector pressure at an injector for feeding the reducing agent into the exhaust gas treatment device is then calculated from the at least one operating parameter. Then, an opening time for the injector is calculated, in which at least the injector pressure determined in step b) is used. The injector is then opened for the opening time calculated in step c). A method for setting up or configuring a control unit for a metering device and a motor vehicle having a metering device are also provided. | 02-14-2013 |
20130031894 | METHOD AND EXHAUST-GAS TREATMENT DEVICE FOR REGENERATING AN EXHAUST-GAS PURIFICATION COMPONENT AND MOTOR VEHICLE HAVING THE EXHAUST-GAS TREATMENT DEVICE - A method and an exhaust-gas treatment device for regenerating an exhaust-gas purification component include charging at least one capacitor and heating at least one sub-volume of the exhaust-gas purification component to at least 900° C. by supplying at least a part of the energy stored in the capacitor. A particle burn-off reaction can be started from the at least one sub-volume for a large volume of exhaust-gas purification components. Exhaust-gas purification components in an exhaust system of an internal combustion engine can thus be completely regenerated in an energy-efficient manner. A vehicle having the exhaust-gas treatment device and carrying out the method is also provided. | 02-07-2013 |
20130028804 | DEVICE FOR EVAPORATING A FLUID - A device for evaporating a predeterminable volume of fluid provides for successive addition of partial volumes of the predeterminable volume to a supply line at different adding rates, at least partially evaporating the partial volumes forming a vapor film between them and a supply line wall, conveying the partial volumes through the supply line to an evaporator surface, and applying the partial volumes to an evaporator surface region varying as a function of mass and/or volume adding rate of the partial volume, permitting effective evaporation of fluid, particularly urea/water solution. Utilization of the highest possible proportion of evaporator surfaces is achieved by mass and/or volume addition rate-dependent distribution of impingement surfaces on the evaporator surface. This heating strategy in the supply line region ensures the Leidenfrost effect when individual partial volumes are added. As even a distribution as possible is achieved using a corresponding geometrical configuration of the evaporator channel. | 01-31-2013 |
20130025269 | DEVICE FOR PROVIDING A LIQUID REDUCING AGENT AND MOTOR VEHICLE HAVING THE DEVICE - A device for providing liquid reducing agent includes a tank with an interior space and a vessel disposed at least partially in the interior space of the tank. The vessel is at least partially surrounded on the outside by a filter having a filter surface and a filter depth. A delivery unit disposed in the vessel is configured to deliver reducing agent from the tank, through the filter and to an extraction point for reducing agent. A motor vehicle having the device is also provided. | 01-31-2013 |
20130025268 | METHOD FOR OPERATING A DELIVERY UNIT FOR A REDUCING AGENT AND MOTOR VEHICLE HAVING A DELIVERY UNIT - A method for operating a reducing agent delivery unit having a tank, a feed line running from the tank to an addition point, a return line branching off from the feed line and a valve to be activated with an electrical current for closing off the return line, includes initially applying an activation current to the valve for a first time interval. Subsequently, a holding current is applied to the valve when the first time interval has elapsed. Then, an operating variable of the delivery unit is determined and at least the activation current, the holding current and/or the first time interval are adapted as a function of the determined operating variable. A motor vehicle having a delivery unit is also provided. | 01-31-2013 |
20120324866 | METHOD FOR OPERATING A DELIVERY DEVICE FOR A REDUCING AGENT AND DELIVERY DEVICE FOR A REDUCING AGENT - A method for operating a delivery device for delivering a reducing agent from a reducing agent tank into an exhaust treatment device of an internal combustion engine of a motor vehicle, includes at least intermittently carrying out a ventilation process of the delivery device during operation of the internal combustion engine. A registration of a ventilation process first occurs. A timing unit having a preset time interval and/or a mass-flow summing unit having a preset total mass flow is then actuated. When the preset time interval and/or the preset total mass flow is reached, the ventilation process is then carried out. In particular, monitoring the delivery device by a pressure sensor can thus be omitted. A delivery device for delivering a reducing agent is also provided. | 12-27-2012 |
20120321525 | APPARATUS HAVING A TANK AND A DELIVERY UNIT FOR REDUCING AGENT - An apparatus includes at least one tank having a tank bottom and a delivery unit for a liquid. The delivery unit is disposed in a chamber on the tank bottom and the chamber has at least one heater. | 12-20-2012 |
20120315196 | APPARATUS HAVING A TANK AND A DELIVERY UNIT FOR REDUCING AGENT - A device includes at least one tank having a tank bottom and a delivery unit for a liquid. The delivery unit is disposed in a chamber on the tank bottom and the chamber includes at least one heater. The tank preferably has at least one local ventilation heater extending from a discharge for liquid on the tank bottom over at least one tank side to the vicinity of a tank top. | 12-13-2012 |
20120311999 | DEVICE FOR PROVIDING A LIQUID REDUCING AGENT AND MOTOR VEHICLE HAVING THE DEVICE - A device for providing a liquid reducing agent includes a reducing agent tank for storing a reducing agent. The reducing agent tank has a tank bottom including a separate chamber. A dosing or metering unit extracts reducing agent from the reducing agent tank at an extraction point disposed at the separate chamber. The dosing unit is disposed within the separate chamber. A motor vehicle having the device is also provided. | 12-13-2012 |
20120308455 | DEVICE HAVING AN INJECTOR FOR A LIQUID REDUCING AGENT, CONFIGURATION HAVING THE DEVICE AND METHODS OF USING THE DEVICE AND THE CONFIGURATION - A device includes an injector for a liquid having at least one pressure sensor, preferably an integrated pressure sensor. The device is used, in particular, for adding liquid reducing agent to an exhaust gas line of a motor vehicle. A configuration having the device and methods of using the device and the configuration are also provided. | 12-06-2012 |
20120304626 | METHOD FOR DETERMINING AN AMOUNT OF LIQUID REMOVED FROM A TANK AND REDUCING AGENT SUPPLY DEVICE FOR A MOTOR VEHICLE - A method for determining an amount of liquid removed from a tank per unit time includes discontinuously feeding the liquid to exhaust gas of an internal combustion engine by at least feeding the liquid through an injection line into the exhaust gas, measuring pressures simultaneously at least at two points in the injection line and determining an amount of liquid fed in per unit time from the measured pressures. The amount of liquid removed between a first point in time and a second point in time is further derived by integrating the amounts of liquid removed per unit time over a period of time from the first point in time to the second point in time. The method allows the precise consumption of the liquid to be calculated and the remaining amount of liquid in the tank to be additionally determined. On-board diagnosis is further possible with the method. | 12-06-2012 |
20120298239 | VESSEL FOR A LIQUID, IN PARTICULAR A REDUCING AGENT, AND VEHICLE HAVING THE VESSEL - A container for a liquid has a container wall and at least one inner chamber for receiving the liquid. The container has at least one discharge line for discharging liquid located in the at least one inner chamber. The at least one discharge line at least reduces relative movements of regions of the container wall spaced apart from each other. | 11-29-2012 |
20120285147 | DELIVERY DEVICE FOR DELIVERING A REDUCING AGENT AND MOTOR VEHICLE HAVING A DELIVERY DEVICE - A delivery device for delivering a reducing agent from a reducing agent tank to an exhaust gas treatment device of an internal combustion engine, includes a partially rigid reducing agent line and a delivery pump disposed in the reducing agent line and having a delivery direction from the reducing agent tank to the exhaust gas treatment device. The delivery device has at least one vibration compensating device selected from the following group: an inflow compensating device upstream of the delivery pump in the delivery direction, an outflow compensating device downstream of the delivery pump in the delivery direction, a pump-internal compensating device within the delivery pump, and a structure borne noise compensating device on a fixing of the delivery pump. A motor vehicle having the delivery device is also provided. | 11-15-2012 |
20120273020 | DEVICE FOR GENERATING ELECTRIC ENERGY FROM A HEAT-CONDUCTING MATERIAL - A device for generating electric energy includes at least one heated heat-conducting main body, at least one projection and thermoelectric elements laterally attached to the at least one projection. A thermoelectric efficiency of each thermoelectric element and a heat output of the at least one projection are matched to each other. | 11-01-2012 |
20120260639 | EXHAUST GAS CLEANING COMPONENT WITH DEFLECTION SURFACE, METHOD FOR PRODUCTION THEREOF AND MOTOR VEHICLE HAVING THE COMPONENT - A method for producing an exhaust gas cleaning component having a carrier structure with an inflow side, an outflow side, a predefined through-flow direction and a deflection surface disposed opposite the outflow side, includes at least the following steps: providing the carrier structure, subjecting the carrier structure to an exhaust gas flowing from the inflow side to the outflow side in the predefined through-flow direction, determining a distribution of flow velocities on the outflow side of the carrier structure, and configuring the shape of the deflection surface with at least one backpressure element in dependence on the distribution of flow velocities on the outflow side, so that the distribution of flow velocities is equalized. An exhaust gas cleaning component and a motor vehicle having the exhaust gas cleaning component are also provided. | 10-18-2012 |
20120260632 | METHOD FOR OPERATING A DELIVERY DEVICE FOR A REDUCING AGENT AND MOTOR VEHICLE HAVING A DELIVERY DEVICE - A method for operating a reducing agent delivery device having a liquid reducing agent tank, an injector dispensing reducing agent into an exhaust treatment device, an internal combustion engine and a reducing agent line from tank to injector, includes conveying the reducing agent from tank to injector with a pump and providing a pressure sensor in the line. The method includes, repeatedly: determining and providing supply pressure for the injector in the delivery device with the pump, calculating an injector opening time from a determined injection volume and supply pressure and opening the injector at the calculated injector opening time. A venting procedure at a point in time includes: determining an increase of a pressure conveying volume characteristic in the delivery device, calculating an air bubble volume by comparing the increase to a target increase, and conveying a conveying volume through the injector. A motor vehicle is also provided. | 10-18-2012 |
20120222409 | INJECTOR MOUNT AND EXHAUST LINE HAVING AN INJECTOR MOUNT - An injector mount for completely accommodating at least one injector includes a housing having at least one injector chamber. The at least one injector chamber has a first opening and a second opening. The first opening of the injector chamber can be connected to a region of an exhaust line that conducts exhaust gas, and the second opening of the injector chamber can be closed repeatedly by a closure. An exhaust line having an injector mount is also provided. | 09-06-2012 |
20120216674 | DEVICE AND METHOD FOR TREATING EXHAUST GAS CONTAINING SOOT PARTICLES - A method for converting soot particles of an exhaust gas includes providing at least nitrogen dioxide or oxygen in the exhaust gas, ionizing soot particles with an electric field, depositing electrically charged soot particles on inner channel walls of at least one surface precipitator, and bringing at least nitrogen dioxide or oxygen into contact with the deposited soot particles on the inner channel walls of the at least one surface precipitator. A device for carrying out the method includes at least one surface precipitator having a plurality of channels through which the exhaust gas can flow and extending between an inlet region and an outlet region, and at least one deposit inhibitor for electrically charged soot particles provided in at least part of the inlet region, especially allowing the soot particles to be evenly deposited and the surface precipitator to be continuously regenerated. | 08-30-2012 |
20120198838 | EXHAUST GAS TREATMENT DEVICE FOR USE NEAR AN ENGINE AND MOTOR VEHICLE HAVING THE DEVICE - An exhaust gas treatment device includes at least a housing and a second exhaust gas treatment unit which is disposed at a distance from the housing and extends into the housing. The housing has an opening that is disposed laterally relative to the second exhaust gas treatment unit and extends laterally at least across 50% of the second exhaust gas treatment unit which extends into the housing. A motor vehicle having the exhaust gas treatment device is also provided. | 08-09-2012 |
20120186447 | EXHAUST GAS TREATMENT DEVICE HAVING TWO HONEYCOMB BODIES FOR GENERATING AN ELECTRIC POTENTIAL, METHOD FOR TREATING EXHAUST GAS AND MOTOR VEHICLE HAVING THE DEVICE - An exhaust gas treatment device includes at least a first at least partially electrically conductive honeycomb body having a first front side and a first rear side, a second at least partially electrically conductive honeycomb body having a second front side and a second rear side, an intermediate space between the first honeycomb body and the second honeycomb body, a power supply for the formation of an electric potential between the first honeycomb body and the second honeycomb body, and a multiplicity of electrodes fastened to the first honeycomb body, extending beyond the first rear side over a first length into the intermediate space and positioned at a first distance from the second front side of the second honeycomb body. A method for treating motor vehicle exhaust gas containing particles and a motor vehicle are also provided. | 07-26-2012 |
20120186233 | DEVICE AND METHOD FOR TREATING EXHAUST GAS CONTAINING SOOT PARTICLES AND MOTOR VEHICLE HAVING THE DEVICE AND CARRYING OUT THE METHOD - A device for treating exhaust gas containing soot particles, includes at least one ionization element for ionizing soot particles and at least one separation device having a surface precipitator for depositing ionized soot particles. The at least one surface precipitator includes at least two at least partially electrically conductive neutralization regions that are electrically insulated from each other in order to neutralize ionized soot particles. A method for converting soot particles of an exhaust gas includes applying different electric potentials. A motor vehicle includes the device and carries out the method. | 07-26-2012 |
20120174565 | REDUCING AGENT DELIVERY DEVICE WITH COMPENSATION ELEMENT, METHOD FOR COMPENSATING FREEZING OF A REDUCING AGENT IN A DELIVERY DEVICE AND MOTOR VEHICLE HAVING A DELIVERY DEVICE - A delivery device for delivering liquid reducing agent includes a reducing agent tank. At least a delivery unit, at least one first compensation element, a reducing agent line and a metering unit together have an overall volume to be filled with a reducing agent and are configured for delivering, conducting and metering the reducing agent from the reducing agent tank. The at least one first compensation element is configured for reducing the overall volume when a negative pressure occurs in the delivery device. A method for compensating freezing of a reducing agent in a delivery device and a motor vehicle having a delivery device, are also provided. | 07-12-2012 |
20120110986 | DEVICE FOR EVAPORATING A UREA-WATER SOLUTION, METHOD FOR OPERATING THE DEVICE AND MOTOR VEHICLE - A device for evaporating a urea-water solution includes a delivery duct for the urea-water solution. The delivery duct extends through at least a first zone and a second zone for the introduction of heat energy. The zones can be heated separately from one another and, in the second zone, the delivery duct initially has a meandering course in a second inlet region, and thereafter has a rectilinear course. A method for evaporating a urea-water solution includes pre-heating the urea-water solution in the first zone to a temperature in a range from 100° C. to 150° C. and evaporating the urea-water solution in the second zone at a temperature in a range from 420° C. to 490° C. In particular, this significantly reduces the tendency for such an exhaust-gas-external evaporator for a urea-water solution to become blocked. A motor vehicle is also provided. | 05-10-2012 |
20120097659 | HONEYCOMB BODY HEATABLE IN MULTIPLE STAGES, METHOD FOR HEATING A HONEYCOMB BODY AND MOTOR VEHICLE - An electrically heatable honeycomb body includes channels and at least one heating disk having at least one first and one second layer stack of electrically conductive material. The first and second layer stacks are interleaved with and electrically insulated from each other. The first layer stack forms a first current path for conducting an electrical current for a first heating circuit and the second layer stack forms a second current path for conducting an electrical current for a second heating circuit. The first heating circuit operates at a power of 300 W to 500 W and the second heating circuit operates at 500 W to 700 W. Exhaust gas of an internal combustion engine can be evenly heated by several independent heating circuits in a common heating disk even with different heating capacities using a simple construction. A method for heating a honeycomb body and a motor vehicle are provided. | 04-26-2012 |
20120064360 | SHEET-METAL LAYER WITH ANTI-DIFFUSION STRUCTURES AND METALLIC HONEYCOMB BODY WITH AT LEAST ONE SUCH SHEET-METAL LAYER - A sheet-metal layer includes anti-diffusion structures made of a high-temperature-corrosion-resistant steel having a longitudinal direction, upper and lower surfaces, a thickness of 0.015 to 0.1 mm and discontinuous microstructures extending approximately in the longitudinal direction. The microstructures have a structure height (0.02 to 0.1 mm), a structure length (2 to 10 mm), a structure width (0.2 to 1 mm), a longitudinal spacing (greater than 2 mm), formed by interruptions, from the nearest microstructure aligned approximately in the longitudinal direction and a lateral distance (1 to 10 mm) from the nearest laterally adjacent microstructure. Some of the microstructures project out of the sheet-metal layer toward the upper surface and some toward the lower surface. The microstructures cause each straight theoretical line extending across the sheet-metal layer perpendicularly to the longitudinal direction to intersect at least two microstructures projecting toward the upper surface and two microstructures projecting toward the lower surface. | 03-15-2012 |
20120060457 | COATED HONEYCOMB BODY AND METHOD FOR PRODUCING A COATED HONEYCOMB BODY - A method for producing a metallic honeycomb body from metallic layers with channels through which an exhaust gas stream can flow, includes providing the honeycomb body with a coating. Such honeycomb bodies are used in exhaust gas systems of preferably mobile internal combustion engines as catalyst carrier bodies, filters, mixers and/or adsorbers. The coating is provided in a two-stage application and enables the production of exceptionally advantageous coated metallic honeycomb bodies, which are distinguished by a large coating surface and a low flow resistance. At the same time, an exceptionally large surface enlargement is provided in the honeycomb body while using a smaller amount of coating. A honeycomb body is also provided. | 03-15-2012 |
20120042648 | CONFIGURATION HAVING A PROTECTED TURBOCHARGER IN AN EXHAUST GAS RECIRCULATION LINE AND MOTOR VEHICLE HAVING THE CONFIGURATION - A configuration for treating exhaust gases of an internal combustion engine having a predetermined displacement volume, includes an exhaust gas recirculation line. Exhaust gas flowing through the exhaust gas recirculation line interacts with a turbocharger. A screening layer is provided in the exhaust gas recirculation line upstream of the turobcharger. The screening layer is larger than an average cross section of the exhaust gas recirculation line. A motor vehicle having at least one such configuration is also provided. | 02-23-2012 |
20120039779 | METHOD FOR FEEDING REDUCING AGENT INTO AN EXHAUST GAS SYSTEM AND CORRESPONDING EXHAUST GAS SYSTEM AND MOTOR VEHICLE - A method for feeding reducing agent or reducing agent precursor into exhaust systems of mobile internal combustion engines and an exhaust system are preferably used for internal combustion engines with high nitrogen oxide compound emissions. A feed time is established. An exhaust parameter and/or necessary quantity of reducing agent is determined and a feed state of the reducing agent is defined. The reducing agent is treated if the feed state does not correspond to a stored state. The reducing agent feed to the exhaust system takes place last. The steps are repeated multiple times. This permits reducing agent to be fed into an exhaust system in a state suitable for the exhaust temperature, so that complete conversion of reducing agent takes place and selectively catalytic reduction is also ensured. This reduces the quantity of electrical energy necessary for converting reducing agent. A motor vehicle having the system is also provided. | 02-16-2012 |
20120036837 | METHOD AND DEVICE FOR THE CONTROLLED FEEDING OF A REDUCING AGENT - A method and a device provide for the controlled feeding of a reducing agent into an exhaust gas treatment unit with a storage capability for an exhaust gas component to be reduced which is generated from a mobile internal combustion engine. The method includes at least the following steps: a) determination of a quantity of the exhaust gas component to be reduced which is generated by the mobile internal combustion engine, b) determination of a storage capability of the exhaust gas treatment unit for the exhaust gas component to be reduced, c) determination of a metering of the reducing agent into the exhaust gas treatment unit as a function of steps a) and b), and d) feeding the reducing agent into the exhaust gas treatment unit. | 02-16-2012 |
20110232267 | METHOD AND DEVICE FOR THE ADDITION IN DROPLET FORM OF A LIQUID REDUCING AGENT INTO AN EXHAUST GAS LINE - A method and a device for the addition in droplet form of a liquid reducing agent to an exhaust gas line of an internal combustion engine, particularly to a rear end side of an exhaust gas treatment component, includes at least identifying at least one exhaust gas parameter during operation of the internal combustion engine, determining a size of a droplet of the reducing agent to be added as a function of an exhaust gas parameter, adjusting a first delivery pressure of the reducing agent toward the exhaust line as a function of the determined size of the droplet, and adding the reducing agent to the exhaust line with an adding unit. In this way, it can be achieved, in particular, that the end side of the exhaust gas treatment component is evenly wetted during operation of the internal combustion engine by using the droplets of the reducing agent. | 09-29-2011 |
20110219755 | EXHAUST-GAS PURIFICATION SYSTEM FOR DIESEL ENGINES - An exhaust gas purification system for diesel engines includes at least one oxidation catalytic converter, a reducing agent injection device and a reduction catalytic converter disposed together in a housing having a first lateral chamber close to a first end side and a second lateral chamber close to a second end side. The reduction catalytic converter is disposed in the first lateral chamber, the oxidation catalytic converter is disposed in an outer annular space of the second lateral chamber and the reducing agent injection device is oriented toward an inner channel of the outer annular space of the second lateral chamber. A flow path for the exhaust gas from at least one exhaust gas inlet toward at least one exhaust gas outlet is provided through the oxidation catalytic converter, the reducing agent injection device and the reduction catalytic converter. | 09-15-2011 |
20110214411 | DEVICE FOR THE PURIFICATION OF EXHAUST GASES AND MOTOR VEHICLE HAVING THE DEVICE - A device for the purification of exhaust gases in an exhaust gas system of an internal combustion engine includes at least one exhaust gas purification component through which exhaust gas can flow. The exhaust gas purification component is disposed in an outer pipe formed of titanium or a titanium alloy and, in particular, all structural components of the device are formed of titanium or a titanium alloy. A motor vehicle having the device is also provided. | 09-08-2011 |
20110105317 | HONEYCOMB BODY HAVING RADIALLY DIFFERENTLY CONFIGURED CONNECTING POINTS - A honeycomb body includes a housing and a honeycomb structure with a plurality of channels. The honeycomb structure is formed by at least one at least partially structured metallic layer which forms connecting points that fix the honeycomb structure in place. A cross section of the honeycomb structure has radial zones with the connecting points. At least 1% and no more than 20% of inner contact points of the at least one at least partially structured metallic layer in the cross section form a connecting point in at least one zone. The connecting points have lengths in a structure direction being different in at least two radial zones. | 05-05-2011 |
20110041484 | EVAPORATION UNIT FOR PRODUCING GASEOUS AMMONIA AND DEVICE AND MOTOR VEHICLE HAVING AN EVAPORATION UNIT - An evaporation unit for producing a gas flow including ammonia, in particular in connection with an SCR system in motor vehicles, includes at least a housing, at least one meandering flow channel delimited by a closed wall and having an inlet and an outlet and at least one heat conductor disposed in a first evaporation section of the at least one flow channel coaxially between the housing and the wall. A device and a motor vehicle having the evaporation unit are also provided. | 02-24-2011 |