Abstract: An exhaust diluting and diffusing apparatus includes a first pipe forming a vertically directed outlet for an exhaust conduit and a second diffuser pipe mounted to receive an exhaust gas flow from the outlet of the first pipe, the second pipe having a diameter greater than the diameter of the first pipe to define an ambient air inlet gap surrounding the outlet of the first pipe, and being sufficiently wide to allow the exhaust gas to expand and diffuse in the second pipe. The device further includes a dispersing outlet mounted at an end of the second pipe and configured to direct exhaust gas radially outward, an area defined by the diffuser outlet being greater than an area of the outlet of the first pipe.

Abstract: An exhaust treatment system including an exhaust passage in communication with an engine that produces an exhaust. An exhaust canister is coupled to the exhaust passage, and the exhaust canister supports a plurality of exhaust treatment components therein for treating the exhaust, wherein exhaust canister is removable from the exhaust passage, and the exhaust treatment components are removable from the exhaust canister.

Abstract: The present invention provides dual-layer to flange weld joint for an exhaust manifold assembly. The manifold includes an inner assembly connected to a flange, and an outer shell spaced apart from the inner assembly to allow for an air gap between the shell and the inner assembly. The outer shell further includes a gap between the end portion of the outer shell and the flange. This gap allows a single exterior weld joint to connect the inner assembly and outer shell to the flange.

Abstract: In one embodiment, a ducting system comprises a feed duct for feeding air and exhaust gases to an internal combustion engine, a discharge duct for discharging the exhaust gases produced by the internal combustion engine from the internal combustion engine, in which one or more exhaust gas aftertreatment units are arranged for aftertreatment of the exhaust gases, and a heating device arranged in the feed duct. The heating device is configured to perform a heating process for preheating the air that is fed to the internal combustion engine. A duration of the heating process and/or heat output given off by the heating device is controlled as a function of a variable approximately representing a state of ageing of at least one of the one or more exhaust gas treatment units.

Abstract: An exhaust manifold including a manifold body made of a first material and at least one heat shield insert provided inside the manifold body and made of a second material. The first material is a low cost material and the second material is a higher grade, temperature-resistant material. The manifold body includes a plurality of runners, collector and an outlet. The shield insert is preferably provided in the collector region adjacent to the outlet. The heat shield insert may have a curved sheet configuration or a tubular configuration depending on applications. The heat shield properly insulates the manifold body from the exhaust gas to protect the manifold body. The exhaust manifold, which is made from a combination of different materials, provides a more cost-effective solution in high temperature applications.

Abstract: An exhaust insert for use with an internal combustion engine transfers heat from exhaust gases to a liquid-cooled exhaust manifold. One end of the exhaust insert extends into the exhaust port of a cylinder head, and the other end of the exhaust insert extends into an exhaust manifold. Exhaust gases are received from the cylinder head by the exhaust manifold through the exhaust insert. The exhaust insert is in contact with a surface of the exhaust manifold so as to transfer heat from the exhaust gases away from the cylinder head to the exhaust manifold.

Abstract: An anti-ingestion system is provided for a marine drive with a submerged exhaust outlet. An anti-ingestion valve is operated by differential pressure thereacross to a closed condition when the engine is operating in an on state and cooling water is being pumped through a water conduit to an exhaust mixing point, with the anti-ingestion valve blocking passage of cooling water therepast in the noted closed condition. The anti-ingestion valve is operated by differential pressure thereacross to an open condition when the engine is in an off state, and permits passage of air therethrough and communicates atmospheric pressure through the water conduit to the exhaust mixing point to relieve vacuum in the exhaust system.

Abstract: A unit (1, 1?) for recovering and converting thermal energy from the exhaust gases of an internal combustion engine (14) of a vehicle comprises a heat exchanger (2, 2?) to be traversed by exhaust gases flowing along a by-pass path (5,5?) branching out from an exhaust gas main line (4) of said internal combustion engine (14) and valve means (12) for controlling the flow of the exhaust gases through said path, said valve means (12) being driven by an actuator device (12A). The by-pass path (5, 5?) is a U-shaped path defined entirely within the heat exchanger (2, 2?), starting from an inlet section (6, 6?) and ending at an outlet section of the heat exchanger, the inlet and outlet sections (7,7?) being located on a same side of the heat exchanger (2) and both opening on an interface conduit portion (3) interposed in said exhaust gas main line (4).

Abstract: Thermoelectric devices, intended for placement in the exhaust of a hydrocarbon fuelled combustion device and particularly suited for use in the exhaust gas stream of an internal combustion engine propelling a vehicle, are described. Exhaust gas passing through the device is in thermal communication with one side of a thermoelectric module while the other side of the thermoelectric module is in thermal communication with a lower temperature environment. The heat extracted from the exhaust gasses is converted to electrical energy by the thermoelectric module. The performance of the generator is enhanced by thermally coupling the hot and cold junctions of the thermoelectric modules to phase-change materials which transform at a temperature compatible with the preferred operating temperatures of the thermoelectric modules.

Abstract: A low emissions 2-stroke natural gas fueled engine includes at least one cylinder with an exhaust port in communication with a silencer/catalytic converter unit. The unit has first and second volumes in communication with each other. The first volume dampens spurious exhaust pressure excursions and removes particulates in the exhaust. The second volume houses an oxidation catalyst for treating exhaust to reduce exhaust emissions. The engine oil has at most 10 ppm zinc content to reduce metal poisons contained in the exhaust prior to contact with the oxidation catalyst. The engine oil preferably has a very low ash content to minimize sulfur combustion components in the exhaust to reduce masking of the oxidation catalyst. The first volume preferably has a pressure relief valve set to relieve at a pressure greater than the maximum normal operating pressure of the engine to avoid excessive pressure excursions of the engine exhaust from damaging the oxidation catalyst.

Abstract: The mixing system includes a mixing chamber in which exhaust gases can flow in a flow direction, a nozzle designed to inject a fluid inside the mixing chamber, according to an injection direction, and an evaporating device positioned inside the mixing chamber, downstream from the injection inlet. The nozzle and the evaporating device are movable one with respect to the other, so that a substantial portion of the flow of the fluid injected into the mixing chamber hits the evaporating device regardless of the flow rate of the exhaust gases.

Abstract: 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.

Abstract: An exhaust aftertreatment system including an exhaust flow area, a first bank of one or more exhaust treatment devices in fluid communication with the exhaust flow area and a second bank of one or more exhaust treatment devices in fluid communication with the exhaust flow area. The first bank may be arranged in parallel with the second bank and inlet of the first bank is configured to provide greater flow resistance to the exhaust than the inlet of the second bank.

Abstract: Methods and systems are provided for selecting a group of cylinders for selective deactivation, in a variable displacement engine system, based at least on a regeneration state of an exhaust catalyst. The position of one or more valves and throttles may be adjusted based on the selective deactivation to reduce back-flow through the disabled cylinders while also maintaining conditions of a downstream exhaust catalyst. Pre-ignition and knock detection windows and thresholds may also be adjusted based on the deactivation to improve the efficiency of knock and pre-ignition detection.

Abstract: The invention relates to a device and a method for metering liquid pollutant-reducing media into an exhaust gas duct of an exhaust gas line of an internal combustion engine, with at least one metering means which is located in or on the exhaust gas duct and downstream to which, viewed in the flow direction of the exhaust gas upstream from a catalytic converter arrangement, a baffle body is connected such that the liquid which has been metered by means of the metering means strikes a baffle body for its distribution. According to the invention the baffle body is formed by a static mixer which has a plurality of preferably single-blade guide vane plates which project away from the mixer plane at a given angle and which are aligned such that the metered liquid, especially liquid droplets, strikes the plane of the guide vane plates essentially perpendicularly.

Abstract: An exhaust gas treatment device for a diesel engine is capable of smoothly starting the generation of a combustible gas and is provided with a small combustible gas generator. A core material is fitted in the center portion of an annular wall to form an air-fuel mixing chamber between the inner peripheral surface of the annular wall and the outer peripheral surface of the core material. An air-fuel mixture gas in the air-fuel mixing chamber is adapted to be supplied from the end of the air-fuel mixing chamber to a combustible gas generating catalyst to a portion near the center thereof. A heater is used as the core material, the heat dissipating outer peripheral surface of the heater is exposed to the air-fuel mixing chamber. Heat is dissipated directly from the heat dissipating outer peripheral surface of the heater to the air-fuel mixing chamber when starting the generation of the combustible gas.

Abstract: A device is provided for the distribution of flowable additives in exhaust gas systems of an internal combustion engine, in particular for the distribution of a water/urea mixture in an exhaust gas system of a diesel engine, having an injection device in particular opening into the exhaust tract before a so-called SRC catalytic converter, with a swirl generation device being provided for the improvement of the mixing of the exhaust gas with the additive in the introduction region of the additive in the exhaust tract.

Abstract: A selective catalytic reduction (SCR) system includes a mixer that has a plurality of blades spaced about a central tube. The mixer can be configured to receive a reductant and exhaust gas mixture. The SCR system also includes a closed-end tube that is downstream of the mixer and configured to receive the reductant and exhaust gas mixture from the mixer. The closed-end tube includes a closed end opposing an open end. The closed end is substantially perpendicular to an exhaust flow direction. The closed-end tube further includes a sidewall that extends between the open and closed end. The sidewall can include a plurality of perforations. The flange plate of the SCR system includes an annular disk that has a plurality of openings through which reductant and exhaust gas mixture received from the closed-end tube is flowable. The flange plate is coupled to and supports in place the closed-end tube.

Abstract: An engine exhaust aftertreatment component includes a housing defining an exhaust flow from an exhaust inlet to an exhaust outlet. An exhaust aftertreatment substrate is positioned within the housing between the exhaust inlet and the exhaust outlet and has an upstream face, which includes an inner region surrounded by an outer region. A flow distributor is positioned in the housing upstream from the exhaust aftertreatment substrate and divides the exhaust flow into a first portion directed toward the inner region through a first set of perforations and a second portion directed toward the outer region serially through a second set of perforations and a third set of perforations.

Abstract: A mixing element has a grid which includes a plurality of rows parallel to each other and a plurality of deflector elements which project from the grid and are inclined in relation to the grid plane normal. All deflector elements of one row are inclined in the same direction. The deflector elements of at least two immediately adjacent first rows are inclined in the same direction. The mixing element is used in an exhaust system of an internal combustion engine.

Abstract: A system is provided for admixing a reducing agent to an exhaust gas flow of an internal-combustion engine. The system includes an exhaust line and a metering device for feeding the reducing agent into the exhaust line, the metering device is arranged in or on a hollow body arranged on the exhaust line. An inner volume of the hollow body is connected in an exhaust-gas-conducting manner with the exhaust line. The reducing agent is feedable by a nozzle into the hollow body. A jacket body is provided between the hollow body and the nozzle-fed reducing agent, which jacket body surrounds the reducing agent at least in areas in the inner volume. Accordingly, a depositing of reducing agent on the metering device and on the hollow body is substantially avoided.

Abstract: An exhaust apparatus for internal combustion engines which can reduce exhaust noises, its weight and production cost with no need to provide a sub-muffler. The exhaust apparatus is provided with an inner pipe having the upstream open end and the downstream open end is disposed in the tail pipe, and the upstream open end of the inner pipe is protruded outwardly from the inside of the tail pipe to be extended into the resonance chamber, and thus the upstream open end is closed by the resonance chamber defined by the outer shell of the muffler, the end plate, and the partition plate.

Abstract: A method and system are described for on-board treatment of an exhaust stream containing CO2 emitted by a hydrocarbon-fueled internal combustion engine (ICE) used to power a vehicle in order to reduce the amount of CO2 discharged into the atmosphere which include: a. a first waste heat recovery zone on board the vehicle for receiving the high temperature exhaust gas stream in heat exchange relation and discharging the exhaust stream at a lower temperature, the waste heat recovery zone further including at least one heat exchanger and/or heat recovery device with an inlet for receiving the hot exhaust gas stream from the ICE for passage in heat exchange relation and an outlet for the cooled exhaust gas stream, the heat exchanger further including an inlet for receiving a heat exchange fluid at a first temperature and an outlet for discharging the fluid at a second higher temperature, the heat recovery device including power transmission means; b.

Abstract: An exhaust gas-treating device (1) for an exhaust system of an internal combustion engine, especially of a motor vehicle, is provided with a housing (2), which has a jacket (3) extending circumferentially on the side and at least one bottom (4). The homogenization of the exhaust gas flow is improved with a mixing housing (14), which is arranged in the interior space (23) of the housing (2) and which has a mixing chamber (15). An inlet (16) of the mixing housing passes through the bottom (4) and communicates with the mixing chamber (15). An outlet (17) of the mixing housing passes through the bottom (4) and communicates with the mixing chamber (15).

Abstract: An aftertreatment module for use with an engine is disclosed. The aftertreatment module may have a plurality of inlets configured to direct exhaust in a first flow direction into the aftertreatment module. The aftertreatment module may also have a mixing duct configured to receive exhaust from the plurality of inlets, and a branching passage in fluid communication with the mixing duct. The branching passage may be configured to redirect exhaust from the mixing duct into separate flows that exit the aftertreatment module in a second flow direction opposite the first flow direction.

Abstract: A single-piece and rigid coupling of a turbocharger with an oxidation mechanism of an exhaust line of an internal combustion engine, including a burnt gas inlet duct that extends along an inlet axis and a burnt gas outlet duct that extends along an outlet axis substantially orthogonal to the inlet axis. The inlet and outlet axes are located in two substantially parallel separate planes.

Abstract: A liquid additive agent added into an exhaust gas is suppressed from adhering to a sensor. Provision is made for a sensor that is arranged in an exhaust passage of an internal combustion engine; an addition valve that is arranged in the vicinity of or at the downstream side of the sensor in the direction of flow of the exhaust gas, and adds an additive agent into the exhaust passage; a catalyst that is arranged at the downstream side of the addition valve, and receives a supply of the additive agent from the addition valve; and pressure difference generation unit that makes a pressure of the exhaust gas in the surrounding of the sensor higher than a pressure thereof in the surrounding of the addition valve. A pressure difference is caused to generate so that the additive agent is suppressed from flowing toward the direction of the sensor.

Abstract: A valve has a body, a fluid inlet duct and two fluid outlet ducts delimited by the body, an intersection formed at an area where the fluid inlet duct opens into the two fluid outlet ducts, and a butterfly valve disposed in the intersection. The butterfly valve is operable to be actuated between a first extreme position in which the butterfly valve directs the fluid mainly toward the first outlet duct and a second extreme position in which the butterfly valve directs the fluid mainly toward the second outlet duct. In the first extreme position, the butterfly valve has a first portion partially blocking the second outlet duct and, in the second extreme position, the butterfly valve has another portion blocking the first outlet duct.

Abstract: A manifold for a multicylinder internal combustion engine which includes a plurality of outlets (1) comprises upper, lower and central shells (15, 5, 51) that are connected with one another and define inlet channels and outlet spaces (63, 65). A baffle plate (35) is attached to different shells (5, 15) by means of a fixed/movable bearing and can expand thermally without transferring thermal stresses to the shells (5, 15).

Abstract: A flow guide (8) is provided for an exhaust system (3) of an internal combustion engine (1), especially in a motor vehicle. The flow guide (8) has at least one U-shaped guide plate body (13), which can be mounted with its U-base (14) on a pipe section (4?) of the exhaust system (3) and whose U-legs (15) form in the mounted state a flow guide plate (15) each. The flow guide plate cooperates with an exhaust gas stream (19) being guided in the pipe section (4?) during the operation of the exhaust system (3).

Abstract: An exhaust treatment device is disclosed. The exhaust treatment device has a compact configuration that includes integrated reactant dosing, reactant mixing and contaminant removal/treatment. The mixing can be achieved at least in part by a swirl structure and contaminant removal can include NOx reduction.

Abstract: An exhaust apparatus for internal combustion engines which can reduce exhaust noises, its weight and production cost with no need to provide a sub-muffler. The exhaust apparatus is provided with an inner pipe having the upstream open end and the downstream open end is disposed in the tail pipe, and the upstream open end of the inner pipe is protruded outwardly from the inside of the tail pipe to be extended into the resonance chamber, and thus the upstream open end is closed by the resonance chamber defined by the outer shell of the muffler, the end plate, and the partition plate.

Abstract: A split flow exhaust deflector for a grass moving machine such as a ZTR mower includes a sheet metal body mounted to a lower surface of a muffler of an internal combustion engine, spaced from the lower surface of the muffler to form a pair of channels through which exhaust gasses from the engine pass from the muffler and substantially outwardly through the pair of channels to a pair of locations adjacent a left side surface and a right side surface of the muffler.

Abstract: An exhaust flap housing in which an exhaust flap can be disposed comprises at least one stop element for defining end positions of the pivotable exhaust flap. To simplify the production, the stop element is preferably produced by remodeling and thus forms part of the exhaust flap housing.

Abstract: An exhaust processing device includes a main body tube portion and a closing tube portion. The main body tube portion includes an opening in an axial end thereof, houses a main body exhaust path in an inside thereof, which allows an exhaust gas to pass therethrough. The closing tube portion includes a plate portion and a tubular portion. The plate portion covers the opening of the axial end of the main body tube portion. The tubular portion radially outwardly protrudes from an outer peripheral surface of the main body tube portion, and is integrated with the plate portion. The tubular portion houses an exhaust path in an inside thereof, which communicates with the main body exhaust path. The tubular portion of the closing tube portion includes a first split half portion integrally molded with the plate portion, and a second split half portion joined to the first split half portion.

Abstract: An exhaust treatment system includes an exhaust conduit for conveying exhaust gases from an engine of a vehicle. An aftertreatment device is disposed in the exhaust conduit. A flow device is disposed upstream of the aftertreatment device. The flow device includes a base having a first surface and an oppositely disposed second surface. The base defines a plurality of openings. A plurality of flow deflectors is engaged to the base at the plurality of openings. Each flow deflector includes a first deflector that extends outwardly from the first surface of the base and a second deflector that extends outwardly from the second surface of the base. The first and second deflectors define a passage. Flow of exhaust gases through the passage cause exhaust gases to swirl about a longitudinal axis of the exhaust conduit.

Abstract: An apparatus for removing exhaust gas pressure and preventing backflow of exhaust gas is disclosed. The apparatus includes a mounting pipe, which is fitted over the end of an exhaust gas pipe of an internal combustion engine and has therein backflow gas guide holes at positions adjacent to the exhaust gas pipe, and a secondary exhaust gas pipe, which surrounds the mounting pipe. In the apparatus, a backflow passage is defined between the mounting pipe and the secondary exhaust gas pipe, so that a backflowing portion of exhaust gas, which is discharged from the mounting pipe, is drawn into the backflow passage and is guided into the mounting pipe through the backflow gas guide holes, and the guided backflow gas is discharged outside again.

Abstract: An exhaust purification system of an internal combustion engine provided with an NOx storage reduction catalyst an oxidation catalyst which is arranged downstream of the NOx storage reduction catalyst an exhaust gas tank which is connected to the engine exhaust passage between the NOx storage reduction catalyst and the oxidation catalyst, and a switching valve which closes the engine exhaust passage toward the oxidation catalyst and makes the exhaust gas flow into the tank. When making the air-fuel ratio of the exhaust gas which flows into the NOx storage reduction catalyst rich, the engine exhaust passage toward the oxidation catalyst is shut and the flow path is switched so that the exhaust gas flows to the tank to thereby store the exhaust gas in the tank.

Abstract: An adaptive valve assembly includes a pipe defining a passageway for conducting engine exhaust gases, a pivot shaft supported by the pipe, and a valve body coupled to the pivot shaft. The valve body is moveable between an open position where exhaust gas flow through the passageway is increased and a closed position where exhaust gas flow through the passageway is reduced. A resilient member biases the valve body toward the closed position. A retainer assembly includes at least one damping feature that engages the resilient member to dampen vibrations.

Abstract: An exhaust system for an engine having a plurality of combustion chambers includes a housing containing a first array of parallel positioned emission treatment devices and a second array of parallel positioned emission treatment devices axially spaced apart from one another. A first exhaust passageway is in fluid communication with the combustion chambers and contains the first array of emission treatment devices. A second and separate exhaust passageway is in fluid communication with the combustion chambers and contains the second array of emission treatment devices. A first valve restricts the exhaust flow through the first exhaust passageway. A second valve restricts the exhaust flow through the second exhaust passageway.

Abstract: A mixing and/or evaporating device (7) is provided through which exhaust gas can flow axially. The mixing and/or evaporating device (7) is arranged in an exhaust gas-carrying line of an exhaust system of an internal combustion engine, especially of a motor vehicle, with a plurality of blades (8), which are arranged distributed in the circumferential direction and which project inwardly from an outer wall (9). Each blade (8) has a profile (10) at least in an area adjoining the outer wall (9) in the axial direction (14), in which profile a discharge edge (12) has an offset (16) in the circumferential direction (15) in relation to the leading edge (11). A reduction of the flow resistance of the device (7) can be achieved if the profile (10) has an angle of incidence (17) each in relation to the axial direction (14) at the leading edge (11) and at the discharge edge (12), which angle is in a range of ?10°, inclusive to +10°, inclusive.

Abstract: A combustion device for an exhaust treatment system is disclosed. The combustion device may have a fuel injector configured to inject fuel toward an exhaust flow. The combustion device may also have an ignition source configured to ignite the injected fuel. The combustion device may further have a deflector configured to redirect at least a portion of the ignited fuel towards a center of the exhaust flow.

Abstract: An exhaust control device for an engine performs exhaust control of an exhaust system composed of exhaust pipes connected to a plurality of cylinders respectively and gathering to a collecting pipe. The exhaust control device includes at least two kinds of exhaust valves that perform the exhaust control at different parts in the exhaust system; and a single actuator that drives the exhaust valves to open and close.

Abstract: An exhaust gas control system and an exhaust gas control method are provided. The exhaust gas control system includes an exhaust gas throttle valve in an exhaust gas duct and an actuation device of the exhaust gas throttle valve having an actuating rod. An exhaust gas pressure control device controls the exhaust gas pressure occurring upstream of the exhaust gas throttle valve in the exhaust gas duct. The actuating rod also includes a control actuator that interacts with a pressure compensation volume. The pressure compensation volume is pneumatically connected to a throttle opening upstream of the exhaust gas throttle valve.

Abstract: The invention relates to a mixing and/or evaporation device for an exhaust system, an internal combustion engine, having a tubular body on whose one axial end are arranged several blades adjacent to one another in the circumferential direction, protruding radially inward and leaving free a central passage such that the blades are set at an angle to the axial direction. For inexpensive manufacturing, the tubular body may be manufactured from a single sheet metal body by shaping together with the blades.

Abstract: An exhaust gas purifying device is disposed in a portion of a motor section rearwardly of a vehicle body. A cylindrical mixing exhaust pipe is provided in a distal end portion of an exhaust pipe, through which exhaust gas discharged from the exhaust gas purifying device flows. The mixing exhaust pipe has a larger diameter than the exhaust pipe to overlap the exhaust pipe in a radial direction for drawing ambient air by the exhaust gas discharged from the exhaust pipe and mixing drawn air with the exhaust gas to discharge the mixed gas to the outside from a discharge opening. The mixing exhaust pipe is arranged in a lower side position of the motor section on one side of the vehicle width direction with the exhaust gas being discharged toward the front of the vehicle body.

Abstract: According to one embodiment, an exhaust gas after-treatment apparatus includes an exhaust tube through which a main exhaust gas stream is flowable. The exhaust tube defines an exhaust flow channel. The apparatus also includes an exhaust flow segregator positioned within the exhaust tube. The exhaust flow segregator separates the exhaust flow channel into a first channel through which a first portion of the main exhaust gas stream is flowable and a second channel through which a second portion of the main exhaust gas stream is flowable. Additionally, the apparatus includes an injector coupled to the exhaust tube. The injector is communicable in reductant injecting communication with the first portion of the main exhaust gas stream flowing through the first channel. The apparatus also includes at least one exhaust gas heater communicable in heat supplying communication with the first portion of the main exhaust gas stream flowing through the first channel.

Abstract: The present invention relates to an exhaust gas treatment device (4) and an exhaust system (1) having such an exhaust gas treatment device (4), wherein the exhaust system (1) has at least one exhaust-gas-conducting exhaust gas feed line (2, 3), which is attached to an inlet region (16) of the exhaust gas treatment device (4). Improved mixing of the exhaust gas and a space-saving configuration result if the exhaust gas treatment device (4) has at least one inlet (12, 13) which is open towards the inlet region (16) and if a mixing element (15) is provided, which connects the inlet region (16) to a through-flow region (17) by means of input openings (22, 23), wherein at least one first input opening (22) faces a first side (18) of the inlet region (16) and at least one second input opening (23) faces a second side (19) of the inlet region (16).

Abstract: An exhaust volume for combustion gases from a motor vehicle engine comprises at least one exhaust duct delimited by a wall comprising an end segment, and at least one flange having a bearing surface. The flange delimits at least one exhaust gas inlet communicating with the exhaust duct. The exhaust gas inlet is delimited by a cannon connected to the flange, with the cannon being attached to the end segment. At least one outer neck is attached to the end segment. The end segment is arranged between the flange and the outer neck, with the end segment being pierced with at least one hole between the flange and the outer neck. The end segment, the flange, and the outer neck are being secured through the addition of a filler.

Abstract: A fixed auger assembly (10) comprises a pair of identical auger blades (12, 14) mounted within an auger casing (16). The auger casing (16) includes two end sections, (18, 20) which are substantially identical, with the exception that one end section (20) is formed with a flared edge (38) to partially receive the other end section. The auger blades (12, 14) include a peripheral annular lip (24) which is used to affix the auger blades within the auger casing. The auger blades (12, 14) and the end sections (18, 20) are preferably assembled using a welding process.