Abstract: An exhaust-gas treatment arrangement for an exhaust-gas system of a combustion engine has a first exhaust-gas treatment unit and, downstream thereof, an exhaust-gas treatment assembly. The treatment unit and the treatment assembly are arranged axially one after the other in the direction of a flow-path longitudinal axis of a flow path including the treatment unit and the treatment assembly. A hydrocarbon introducer for introducing hydrocarbon into exhaust gas flowing in the flow path is in the flow path substantially axially between the treatment unit and the treatment assembly. The hydrocarbon introducer includes an introduction ring flow channel annularly surrounding the flow-path longitudinal axis. The channel is open in an upstream end region toward an outlet region of the treatment unit and is open in a downstream end region toward an inlet region of the treatment assembly. The hydrocarbon introduction assembly includes a discharging unit for discharging hydrocarbon into the channel.

Abstract: A connection element for an exhaust system of an internal combustion engine includes a connection element body extending in the direction of a connection element longitudinal axis. An inner circumferential surface of the connection element body delimits an exhaust gas passage of the connection element and a connecting flange extends radially outward from the connection element body and surrounds the longitudinal axis. The connecting flange has an abutment surface oriented in the direction of a first axial end of the connection element body. A section of the connection element body defines the first axial end thereof. A centering section has a centering outer circumferential surface and a depression surrounds the longitudinal axis and has a depression surface which is offset axially in the direction away from the first axial end with respect to the abutment surface.

Abstract: An exhaust gas system for a hydrogen combustion engine including for a vehicle, the exhaust gas system including: a first engine exhaust gas cooler accommodating a flow of engine exhaust gas therethrough for dissipating heat from the engine exhaust gas; a separator being configured to separate condensate contained in the engine exhaust gas in a region of the first engine exhaust gas cooler and/or downstream of the first engine exhaust gas cooler; and, an engine exhaust gas heater being configured to warm the engine exhaust gas in a region of the separator and/or downstream of the separator.

Abstract: A mixer for an exhaust system of an internal combustion engine for mixing exhaust gas and reactant includes a mixing chamber, a reactant dispensing arrangement for dispensing reactant into the mixing chamber axially between an upstream mixer wall and a downstream mixer wall, an inlet opening arrangement in the upstream mixer wall, an outlet opening arrangement in the downstream mixer wall, a flow guiding arrangement arranged between the upstream mixer wall and the downstream mixer wall, wherein the flow guiding arrangement provides a first flow path leading from the inlet opening arrangement to the outlet opening arrangement and a second flow path leading from the inlet opening arrangement to the outlet opening arrangement, wherein each flow path has at least two flow channels leading from the inlet opening arrangement to the outlet opening arrangement.

Abstract: A gas introduction assembly introduces gas, in particular air, into an exhaust gas system of an internal combustion engine. The exhaust gas system has an interior. The gas introduction assembly includes a gas introduction region positioned in the interior of the exhaust gas system. The gas introduction region is constructed at least partially with porous material.

Abstract: A connection unit connects an electrical supply line to an exhaust-gas heater of an exhaust system. The connection unit includes a connection element having an electrically conductive connection-element body. The connection element has an exhaust-gas heater connection region in a first axial end region and has a supply-line connection region in a second axial end region. The supply-line connection region includes an end portion of the connection-element body and a radial projection adjoining the end portion. A carrier element fixes the connection unit to an exhaust-system component. The carrier element has a carrier-element opening wherethrough the connection-element body passes. A support unit axially and radially supports the connection element on the carrier element.

Abstract: A muffler for an exhaust system of an internal combustion engine includes a muffler housing with a peripheral wall which extends longitudinally in the direction of a housing longitudinal axis. At least one base wall is surrounded by the peripheral wall or/and retained on the peripheral wall and delimits a chamber in the muffler housing. At least one base wall opening is surrounded by an opening edge region which is bent at an essentially plane base wall region of the base wall essentially in the direction of the housing longitudinal axis. The at least one base wall opening receives an exhaust pipe with a press fit in at least one base wall.

Abstract: A heating system for a vehicle includes a reaction space (16) containing a first reactant (22) and a reactant storage space (20) containing or/and receiving a second reactant (24), wherein the first reactant and the second reactant form such a reaction system. A reaction of the first reactant with the second reactant produces a reaction product that releases heat. The second reactant can be separated from the first reactant by introducing heat into the reaction product. A reactant-releasing device (26) releases second reactant from the reactant storage space into the reaction space (16). A first heat removal device (58) removes heat from the first reactant or/and reaction product contained in the reaction space (16). A heating unit (52) heats the first reactant or/and heats the reaction product contained in the reaction space. A reactant-recirculating device (36) recirculates second reactant from the reaction space into the reactant storage space.

Abstract: A muffler for an exhaust gas system of an internal combustion engine. The muffler has a muffler housing having at least two interconnected housing shells delimiting a muffler interior. Each housing shell has a connecting edge extending away from the muffler interior. The housing shells are mutually connected by material bonding in the region of their mutually adjacent housing shell connecting edges. An insulating arrangement covers at least regions of the inner side of one of the housing shells. The insulating arrangement has an insulating shell with an insulating shell connecting edge extending away from the muffler interior and the insulating shell is arranged with the insulating shell connecting edge between the mutually adjacent connecting edges of the housing shells and is connected by material bonding to the connecting edges of the housing shells in the region of the insulating shell connecting edge.

Abstract: A connecting arrangement electrically connects a heating conductor to an electrical connection line. The heating conductor includes a heating conduction element having an exposed end segment defining a first connecting region and the electrical connection line includes a connection line conductor having an exposed end segment defining a second connecting region. A connector mutually electrically connects the exposed end segments. A shielding sleeve surrounds the first connecting region, the second connecting region and the connector. The shielding sleeve has first and second sleeve end portions and the shielding sleeve is connected to the heating conductor in the first connecting region and is connected to the electrical connection line in the second connecting region and so shields the exposed end segment of the heating conduction element and the exposed end segment of the connection line conductor and the connector against external influences.

Abstract: A terminal pin, in particular for a terminal unit for the electrical contacting of a heating conductor of an exhaust-gas heater of an exhaust-gas system of an internal combustion engine, includes a pin body which is elongate in the direction of a pin body longitudinal axis and which has an outer connection region for the connection of a voltage supply line to the terminal pin, a cooling region, a leadthrough region for the electrically insulated leadthrough of the pin body through a pin support of a terminal unit, and an inner connection region for the connection of the terminal pin to a heating conductor of an exhaust-gas heater, a cooling surface formation being provided in the cooling region.

Abstract: A muffler for an exhaust system of an internal combustion engine includes a muffler housing having a peripheral wall elongated along a longitudinal housing axis. The muffler has an end wall on each axial end region of the peripheral wall and a muffler insert, surrounded by the peripheral wall and supported on the peripheral wall. A retaining wall extends substantially in the direction of the longitudinal housing axis and a first exhaust-gas routing pipe is positioned with a first end region engaging in an opening in the peripheral wall and is secured to the peripheral wall and retained with a second end region on the retaining wall. The first exhaust-gas routing pipe is retained in its second end region on the retaining wall by force closure or interlocking.

Abstract: The disclosure is directed to an exhaust gas heating unit for an exhaust gas system of an internal combustion engine. The exhaust gas heating unit includes at least one electrically conductive heating conductor element, wherein the at least one electrically conductive heating conductor element is configured from bent flat strip material. The exhaust gas system conducts exhaust gas defining an exhaust gas primary flow direction (H). The heating conductor element can have a plurality of broad sides arranged to be substantially parallel to the exhaust gas primary flow direction (H) and a plurality of end faces arranged substantially orthogonally to the exhaust gas primary flow direction (H).

Abstract: An exhaust gas system for an internal combustion engine includes at least one component which delimits an exhaust gas flow volume via an outer wall and, on an inner side of the outer wall which faces the exhaust gas flow volume, supports at least one shielding element. An intermediate space is formed between the outer wall and the shielding element. At least one connecting molding on the shielding element is directed toward the outer wall and is connected fixedly to the outer wall.

Abstract: An exhaust gas treatment arrangement for an exhaust gas system of an internal combustion engine includes a housing which is elongated in the direction of a housing longitudinal axis, and at least one exhaust gas treatment unit which is arranged in the housing and has a shell. At least one bearing/sealing unit with at least two bearing/sealing rings is arranged in a radial intermediate space formed between the shell and the housing. The at least two bearing/sealing rings follow one another radially, are nested inside one another and are each interrupted in a circumferential interruption region. The circumferential interruption region of at least one of the bearing/sealing rings is offset in the circumferential direction with respect to a circumferential interruption region of another one of the bearing/sealing rings.

Abstract: A mixing subassembly for an exhaust gas system of an internal combustion engine for mixing exhaust gas, which is discharged by an internal combustion engine, with reactant includes a mixing path which extends in the direction of a mixing path longitudinal axis and which has an upstream mixing path inflow region for receiving exhaust gas and/or reactant in the mixing path. The mixing path includes a core flow channel, through which a first exhaust gas partial flow flows, and a bypass flow channel, through which a second exhaust gas partial flow flows. At least one flow blocking element reduces a flow cross section of the bypass flow channel and is arranged in the bypass flow channel.

Abstract: An exhaust gas treatment arrangement for an exhaust gas system of an internal combustion engine includes a first exhaust gas flow path leading from an exhaust gas inlet provided on a housing to an exhaust gas outlet provided on the housing and a second exhaust gas flow path leading from the exhaust gas inlet to the exhaust gas outlet. The second exhaust gas flow path is separate from the first exhaust gas flow path. A flow path switching unit changes the exhaust gas stream parts, which are conducted in the first exhaust gas flow path and the second exhaust gas flow path. A reactant supply device supplies reactant into the second exhaust gas flow path downstream of the exhaust gas inlet and an SCR catalyst arrangement is provided in the second exhaust gas flow path upstream of the exhaust gas outlet.

Abstract: A compression jaw assembly unit for a compressing device for compressing tubular metal parts includes a compression jaw carrier (17) and a compression jaw (16), provided at the compression jaw carrier (17), with a compressing surface (18) that is oriented essentially facing away from the compression jaw carrier (17) and is curved transversely to a compression jaw longitudinal direction (LB) in a compression jaw transverse direction (QB). The compression jaw (16) includes a fixed compression jaw segment (22), which is fixed to the compression jaw carrier (17) and provides a compressing surface segment (24), and at least one movable compression jaw segment (26, 28) providing a compressing surface segment (30, 32). The at least one movable compressing surface segment (26, 28) can be moved in a direction of movement (B) in relation to the fixed compressing surface segment (22) against the prestressing action of a prestressing device (42).

Abstract: A connection unit for connecting an electrical supply line to an exhaust gas heater of an exhaust system of an internal combustion engine includes an electrically conductive connection element. The connection element has a heater connection region in a first end region and a supply line connection region in a second end region. A carrier has a receiving opening, wherein the connection element is arranged and has a support region. A first insulating element is arranged in the opening and surrounds the support region. A second insulating element is arranged on a first end face of the carrier. The connection element is supported with respect to the first end face via the second insulating element. A third insulating element is arranged on a second end face of the carrier. The connection element is supported with respect to this second end face via the third insulating element.

Abstract: A heating conductor for an exhaust gas heating arrangement for an exhaust gas system for an internal combustion engine includes a plurality of heating conductor sections. At least one throughflow opening, preferably a plurality of throughflow openings through which exhaust gas can flow, is or are provided in at least one heating conductor section, preferably in a plurality of heating conductor sections or in each heating conductor section.