An exhaust-gas module A for an internal combustion engine, which exhaust-gas module has a base housing having a first side wall, at least one second side wall, an inlet for connection to the internal combustion engine and at least one outlet, wherein the inlet is arranged in the first side wall, and having multiple exhaust-gas purification components which are arranged in the base housing, wherein at least one SCR and/or one DOC are/is provided, wherein the at least one outlet is arranged in the second side wall and serves for the connection of an exhaust tailpipe of the internal combustion engine and/or alternatively for the coupling of an attachment housing, wherein the rest of the base housing, with the exception of the second side wall, is formed without outlets, wherein a connection contour with a circumferential contour U1 which has a basic shape G1 is provided for the connection of the attachment housing, wherein the connection contour delimits the second side wall at the edge, wherein at least one of the exhaust-gas purification components DPF, NH3, LNT, HOH is present in the base housing, and/or wherein at least one auxiliary component such as a mixer, an injector or a burner is present in the base housing.

A very compact Selective Catalytic Reduction (SCR) system with a very low footprint comprising an SCR reactor, an inlet flow system, and a vaporizer module is described. The SCR reactor comprises at least one SCR catalyst which is in communication with the inlet flow system and the vaporizer module. The inlet flow system is configured to provide an approximately uniform flow of the exhaust gas through the catalyst and to provide heat to the vaporizer module. The vaporizer module is configured to allow for the conversion of urea to ammonia and to contact the ammonia with the exhaust gases in the SCR reactor upstream of the SCR catalyst.

A motorcycle has an engine and an exhaust gas pipe which is connected thereto, as well as a motorcycle rear wheel swingarm. The motorcycle rear wheel swingarm has a closed cavity which is in fluid connection with the exhaust gas pipe by way of a connecting element.

An exhaust manifold for attaching to exhaust ports of an engine, the manifold having a plenum and a plurality of exhaust runners each associated with a respective exhaust port, the plenum having a progressively tapering cross sectional area along its length as defined by the direction along which successive exhaust runners connect to the plenum and a connector at its larger downstream end, for connecting to further components of the exhaust system, characterized in that the lengths of the gas flow paths in all the exhaust runners, as measured from the end of each runner adjacent the exhaust port to an interior wall of the plenum opposite the other end of the runner, are substantially equal to one another.

A manifold system for an internal combustion engine, comprising a housing designed as a collecting manifold, which housing has two inlet openings and an outlet opening for connecting two outlets of an internal combustion engine to an exhaust gas system in regard to flow and at least one connection opening provided on the housing for connecting to an outer shell of a double-shell air-gap-insulated manifold, and comprising at least one air-gap-insulated manifold connected to the connection opening, which air-gap-insulated manifold has an inner shell having an inlet opening for connecting to an outlet of the internal combustion engine in regard to flow and having an outer shell, wherein all air-gap-insulated manifolds are completely formed from sheet metal and are structurally or geometrically identical and, on the housing, the size of a distance A2 between one of the two inlet openings and the outlet opening is between 30 mm and 300 mm or between 50 mm and 120 mm.

A catalyst subassembly for a device for purifying exhaust gases from an internal combustion engine, in particular a diesel engine, includes an SCRF catalyst and an SCR catalyst upstream of the SCRF catalyst. The two catalysts are arranged in a common catalyst housing. The catalyst housing, the SCRF catalyst and the SCR catalyst can be selected from a modular system for different variants of the internal combustion engine.

An emission control system is provided for diesel engines operated on ocean-going ships at-berth that may be easily installed and removed from on ocean-going ships (or vessels) while at-berth. The emission control system is arranged within a housing sized to fit within space allocated for standard shipping containers. The emission control system has an inlet for receiving exhaust from a ships engine, cleans the exhaust and then passes the exhaust through an exhaust outlet connected to the ships stacks.

A particulate filter for a motor vehicle has a casing (2) that allows through flow. A core (4) is accommodated in the casing (2) and allows through flow. The casing (2) has a longitudinal axis (3). A through flow duct (9) is formed between the casing (2) and the core (4) to allow the through flow of exhaust gas from an internal combustion engine of the motor vehicle. A ring (7) is arranged in the through flow duct (9) and gives the through flow duct (9) a labyrinth-type configuration.

An exhaust structure for an exhaust manifold includes a body including a first inlet section configured to receive exhaust gas, a second inlet section configured to receive exhaust gas, and an outlet section disposed in fluid communication with each of the first inlet section and the second inlet section to receive exhaust gas, wherein exhaust gas from the first inlet section and the second inlet section exit the exhaust structure through the outlet section, and wherein the outlet section includes a flange. The body may include a rib extending generally along the longitudinal axis and disposed on a surface of the outlet section, the rib including a first section having a first inclined surface, a second section spaced from the first section and having a second inclined surface, and a third section disposed between the first section and the second section, the third section having a curved surface.

An emission control system is provided for diesel engines operated on ocean-going ships at-berth that may be easily installed and removed from on ocean-going ships (or vessels) while at-berth. The emission control system is arranged within a housing sized to fit within space allocated for standard shipping containers. The emission control system has an inlet for receiving exhaust from a ships engine, cleans the exhaust and then passes the exhaust through an exhaust outlet connected to the ships stacks.