Abstract: A device for the aftertreatment of exhaust gases from an internal combustion engine has a tubular first flow section, a deflecting region and a annular second flow section, the second flow section being arranged between an inner wall delimiting the first flow section and an outer wall delimiting the second flow section. At least one annular honeycomb body is arranged in the second flow section, and at least one annular heating disk is arranged in the second flow section, the heating disk being electrically contactable by at least two electrical feedthroughs, which are arranged on the outer wall.

Abstract: In a device for the aftertreatment of exhaust gases from an emission source, in particular an internal combustion engine, with an exhaust tract through which an exhaust gas can flow in a direction of flow, with at least one catalytic converter, the catalytic converter having a ceramic honeycomb body has: a catalytically active surface coating, and with an electrically heatable heater, the heater having a metallic electrical conductor, the honeycomb body further having a plurality of flow channels which can be flowed through from a gas inlet side to a gas outlet side, wherein the conductor is integrated in the ceramic honeycomb body, and is arranged downstream of the gas inlet side and upstream of the gas outlet side, as viewed in the direction of flow.

Abstract: A device for treating exhaust gases of an internal combustion engine includes: a heating disk arranged in a housing; and a main catalytic converter arranged downstream of the heating disk in the flow direction in the housing. The flow can pass through the heating disk and the main catalytic converter in the flow direction along a plurality of flow channels. The heating disk is formed from a metallic honeycomb body and the main catalytic converter is formed from a ceramic honeycomb body fixed in relation to the housing by a fixing structure. The heating disk is electrically contacted by an electrical feedthrough guided through the housing from the outside to the inside.

Abstract: A device includes an exhaust gas turbocharger and an annular catalytic converter, which is mounted downstream of the turbocharger in the flow direction, wherein the annular catalytic converter has a first tubular flow section, a deflecting region, and a second annular flow section, wherein the tubular flow section is formed by an inner tube, and the annular flow section is formed between an outer tube, running substantially parallel to the inner tube, and the inner tube, and the deflecting region is designed to deflect the exhaust gas flow out of the tubular flow section into the annular flow section, wherein the tubular flow section of the annular catalytic converter comprises the same components as the gas outlet of the turbocharger mounted upstream in the flow direction.

Abstract: A current feedthrough for an electrically heatable catalytic converter, which has inside it at least one electrical conductor that can be electrically contacted by the current feedthrough, a central electrically conductive inner conductor, which is guided from the interior of the catalytic converter through the outer housing wall thereof, an electrical insulation layer, which surrounds the electrically conductive inner conductor on the radially outer surface thereof, and a metallic outer tube, in which the electrically conductive inner conductor and the electrical insulation layer are accommodated.

Abstract: A catalytic converter for aftertreatment of combustion gases from an internal combustion engine, having at least one catalyst and at least one electrically heatable heating disk. The catalyst and the heating disk are each formed by a honeycomb having a multitude of flow channels through which flow is possible in a main flow direction. The mechanical connection between the catalyst and the heating disk is formed by at least one support pin (having an inner core. The support pin has a thickening in each of the two end regions and, the core is formed by a ceramic material and the thickening is formed by a ceramic-metal mixture.

Abstract: A device for the aftertreatment of exhaust gases from an internal combustion engine has a tubular first flow section, a deflecting region and a annular second flow section, the second flow section being arranged between an inner wall delimiting the first flow section and an outer wall delimiting the second flow section. At least one annular honeycomb body is arranged in the second flow section, and at least one annular heating disk is arranged in the second flow section, the heating disk being electrically contactable by at least two electrical feedthroughs, which are arranged on the outer wall.

Abstract: A device for treating exhaust gases of an internal combustion engine includes: a heating disk arranged in a housing; and a main catalytic converter arranged downstream of the heating disk in the flow direction in the housing. The flow can pass through the heating disk and the main catalytic converter in the flow direction along a plurality of flow channels. The heating disk is formed from a metallic honeycomb body and the main catalytic converter is formed from a ceramic honeycomb body fixed in relation to the housing by a fixing structure. The heating disk is electrically contacted by an electrical feedthrough guided through the housing from the outside to the inside.

Abstract: A device for treating exhaust gases which is designed for electrically contacting a plurality of conductor tracks, which are arranged within an interior space that is surrounded by an outer wall of the device, through the outer wall. One or more electrodes which may be electrically contacted through the outer wall are arranged in the interior space, each of which electrodes electrically contacts two or more of the conductor tracks in the interior space.

Abstract: A device for treating exhaust gases which has an outer wall which has an opening in order to electrically contact one or more conductor tracks, which are arranged within an interior space that is surrounded by the outer wall, through the outer wall. The opening is arranged in a projection which protrudes outward from the interior space and is integrally formed with the outer wall.

Abstract: A catalyst for cleaning exhaust gases, having a honeycomb body which configures a plurality of flow ducts through which a gas from a gas inlet side may flow in the axial direction to a gas outlet side, having an inner casing which encloses the honeycomb body having an outer casing which encloses the inner casing, and having an insulation region which is disposed between the inner casing and the outer casing. The honeycomb body, the inner casing, the outer casing and the insulation region are formed from exactly two tiers formed from metal foils that are stacked on top of one another and wound along a winding direction transverse to the axial direction.

Abstract: An electrically heatable heating disk for use within a device for the aftertreatment of exhaust gas, wherein the heating disk is formed by a layer stack formed from a multiplicity of metal foils which are stacked one on top of the other, the layer stack being wound to form a honeycomb body, wherein the layer stack has alternately arranged, coarsely structured metal foils and finely structured or smooth metal foils, and wherein the honeycomb body has at least one electrical contact at a radial edge region, wherein first metal foils terminate with an offset with respect to one another as a result of the winding in the circumferential direction of the heating disk, wherein finely structured or smooth second metal foils which extend in the circumferential direction extend beyond the respective ends of the terminating first metal foils in the circumferential direction.

Abstract: A catalytic converter for exhaust gas aftertreatment, with a matrix and a casing, the matrix is formed from a coiled layered stack of metal sheets and is inserted into the casing and bonded thereto only in portions and a method for producing a catalytic converter.

Abstract: An electrically heatable catalytic converter with a metal honeycomb body, the honeycomb body being formed by a plurality of wound metal foils and the honeycomb body being received in a casing tube, a device for electrically contacting at least individual foils being led into the casing tube through an opening in the casing tube, the device being formed by an electrode which is electrically insulated from the inside of the casing tube by a connecting layer and mechanically connected to the casing tube.

Abstract: The invention relates to a catalytic converter for treating exhaust gases of an internal combustion engine, having a housing through which an exhaust gas may flow and which has an inflow side and an outflow side, wherein, in the housing, there is formed a plurality of flow channels (4, 13) which is flowed through along a main throughflow direction from the inflow side to the outflow side, wherein, in the housing, there is arranged at least one pipeline (5, 12) which is flowed through by a fluid which is independent of the exhaust gas that is caused to flow through the flow channels (4, 13).

Abstract: A device for the aftertreatment of exhaust gases from an exhaust-gas source, having a spatially delimited flow path through which flow may pass proceeding from the exhaust-gas source, having a heating catalytic converter which is arranged in the flow path and which, as viewed in a flow direction, firstly has a catalytically active catalytic converter through which flow may pass and, following this in the flow direction, has an electrically heatable heating disk, wherein at least one outlet of a secondary air supply is arranged in the region of the heating catalytic converter such that a gas flow referred to as secondary air is fed into the flow path in the region of the heating catalytic converter.

Abstract: A device for exhaust-gas aftertreatment, having a first, tubular flow path, having a diverting region and having a second, annular flow path. The tubular flow path is formed by an inner pipe and the annular flow path is, by an outer pipe running substantially parallel to the inner pipe, formed between the inner pipe and the outer pipe, and the diverting region is designed to divert the exhaust-gas flow from the tubular flow path into the annular flow path. The device has an annular catalytically active substrate body and an annular particle filter, wherein the substrate body and the particle filter are arranged in the annular flow path.

Abstract: A device for exhaust-gas aftertreatment, such as an annular catalytic converter, having a first, tubular flow path, having a diverting chamber and having a second, annular flow path, wherein the tubular flow path is delimited outwardly in the radial direction by an inner pipe and the second, annular flow path is delimited inwardly in the radial direction by the inner pipe and outwardly in the radial direction by an outer pipe, and the diverting chamber is designed to divert the exhaust-gas flow from the tubular flow path (8) into the annular flow path, wherein the annular catalytic converter has at least one annular substrate body which has a catalytically active coating applied to it and which is arranged in the annular flow path.

Abstract: The invention relates to an annular catalytic converter, having a first, tubular flow path, having a diverting region (4) and having a second, annular flow path, wherein the tubular flow path is formed by an inner pipe (1), wherein the annular flow path is formed between the inner pipe (1) and an outer pipe (2) surrounding the inner pipe, and the diverting region (4) is of pot-shaped form for the purposes of diverting the exhaust-gas flow from the tubular flow path into the annular flow path, wherein the inner pipe (1) and/or the outer pipe (2) has a conical cross section (D1, D2, D1, D4) that widens or narrows along the flow direction of the exhaust gas.

Abstract: A heating disk for heating up a stream of exhaust gas and/or a component for exhaust gas aftertreatment has a honeycomb body, wound from a plurality of smooth and corrugated metal layers stacked on top of one another. The honeycomb body is received within a carrier shell and an electrical contact is fed through the carrier shell. The honeycomb body is connected to a current source via the electrical contact. The electrical contact has a contact strip within the carrier shell extending in the circumferential direction of the carrier shell. An insulating region is formed between the carrier shell and the contact strip. A plurality of stacks of layers are electrically insulated from one another. Each of the stacks of layers are formed from the plurality of smooth and corrugated metal layers, and which are arranged directly adjacent to one another and conductively connected to the contact strip.