Abstract: A dosing lance assembly for an exhaust component includes: a housing including: a plate having a first aperture, a pipe having a first pipe end coupled to the plate around the first aperture, a second pipe end, and a second aperture, an endcap coupled to the second pipe end, and an elbow coupled to the pipe around the second aperture; an air conduit having a first air conduit end and a second air conduit end coupled to the elbow, the air conduit separated from the pipe at a location between the plate and the endcap; and a delivery conduit extending within the air conduit and coupled to the elbow.

Abstract: An exhaust muffler for an exhaust system of an internal combustion engine, especially for a vehicle, includes a muffler housing with a flow volume (42), through which exhaust gas can flow, an exhaust gas inlet (28) and an exhaust gas outlet (36). A first resonator chamber (44) is open towards the flow volume (42) via a first resonator neck (68). A second resonator chamber (46) is open towards the flow volume (42) via a second resonator neck (74). A resonator pipe (52) provides the first resonator neck (68) and the second resonator neck (74).

Abstract: Systems and methods are provided for a combined spark arrestor and muffler assembly. In one example, a system may include a combined housing, the combined housing including a spark arrestor portion including a plurality of stator fins, and a muffler portion including acoustic packing, the muffler portion fluidically coupled to the spark arrestor portion via a first sliding joint and a second sliding joint. In this way, a single component of a vehicle exhaust system may reduce sparks and/or carbon deposits in exhaust gas, while also reducing exhaust noise.

Abstract: A vehicle exhaust evacuation system includes an adapter secured to an end of a vehicle tailpipe and a nozzle assembly secured to the end of a flexible hose for carrying vehicle exhaust outside of a building. The nozzle assembly has an aluminum cartridge removably secured in a rubber boot. Magnet assemblies are secured to the aluminum cartridge. Openings in the adapter allow ambient air to flow over the magnet assemblies to lengthen the life of the magnets.

Abstract: A method for exhaust gas aftertreatment is provided, the method comprising: a) providing a nitrogen oxide-containing raw exhaust gas, b) introducing the nitrogen oxide-containing raw exhaust gas into a catalytic evaporator (1), c) introducing a urea solution and a fuel into the catalytic evaporator (1), as a result of which a reducing agent is obtained, and d) supplying the reducing agent to an exhaust gas aftertreatment system (8). Alternatively or in addition, a device for producing a reducing agent may be provided, a reducing agent produced with same, and the use of these objects.

Abstract: A vehicle exhaust system includes a tubular component having an inner surface and an outer surface such that the inner surface defines a primary exhaust gas flow path and wherein the tubular component extends along a central axis from an inlet end to an outlet end. The tubular component comprises at least one ridge along the central axis. The at least one ridge extends at least partly along a circumference of the tubular component. Each ridge includes a first portion angularly devoid of apertures and extending inwardly from the tubular component and a second portion disposed downstream of the first portion. The second portion is angularly devoid of apertures and extends inwardly from the tubular component. The tubular component also includes a plurality of spaced apertures positioned along a portion of the circumference of the tubular component and downstream of the second portion.

Abstract: An exhaust finisher assembly for a vehicle includes an exhaust finisher and a deflector. The exhaust finisher is configured to be connected to a rear bumper fascia of the vehicle. The deflector is connected to the exhaust finisher. The deflector includes a first portion connected to the exhaust finisher and a second portion extending outwardly from the first portion.

Abstract: A system for providing microwave energy to aftertreatment devices that treat the exhaust of an internal combustion engine. The system has a microwave generator and a transmission network for delivering the microwaves to one or more of the aftertreatment devices. The transmission network comprises a combination of solid and hollow waveguides. Antenna(s) transmit microwave energy into the working chamber the aftertreatment device(s), with at least one of the devices having antenna(s) capable of distributing microwave energy throughout its chamber.

Abstract: An exhaust system includes an exhaust component with a wall having an outer surface and an inner surface that defines an internal exhaust gas flow path. At least one opening is formed in the exhaust component to extend through the wall of the exhaust component from the outer surface to the inner surface. A member is formed from a resistive material and is configured to cover the at least one opening. A diverter is positioned adjacent the at least one opening to block at least a portion of the exhaust gas flow path.

Abstract: A system comprises an injection well for accessing reservoir at a first temperature; a production well in fluid communication with the reservoir; a working-fluid supply system providing a non-water based working fluid to the injection well at a second temperature lower than the first temperature, wherein exposure of the working fluid to the first temperature heats the working fluid to a third temperature and at least a portion of the working fluid at the third temperature is produced as a production fluid; and an energy recovery system that converts energy contained in the production fluid to electricity or heat, wherein the energy recovery system includes a waste heat recovery apparatus that recovers waste heat and uses it to heat the production fluid to a fourth temperature that is higher than the third temperature, wherein the waste heat is recovered from equipment of or a process stream.

Abstract: An energy storage apparatus that includes at least one inlet for incoming process gas, at least one outlet for expanded process gas and a plurality of energy storage sub-systems configured to be arranged in series with each other and with a compressed gas store. The first of the plurality of energy storage sub-systems includes a first compressor, a first expander, a first thermal store and a first heat transfer device associated with the first thermal store. The second of the plurality of energy storage sub-systems includes a second compressor, at least a second expander, a second thermal store and a second heat transfer device associated with the second thermal store.

Abstract: An apparatus and method for recovering heat and water vapor from a waste gas stream. A waste gas passageway directs waste gas over a plurality of membrane tubes extending across the waste gas passageway. Each of the membrane tubes includes an internal passage separated from the waste gas passageway by a porous membrane. A water supply inlet manifold is connected to each of the plurality of membrane tubes, and configured to introduce water into the internal passages of the membrane tubes. A vacuum source is connected to the water side of the apparatus, and configured to adjust a pressure within the internal passages of the membrane tubes. The water within the internal passages receives heat and water vapor from the waste gas stream across the porous membrane.

Abstract: An exhaust gas heating assembly for an exhaust gas system of a combustion engine includes a heating unit housing which accommodates a flow of exhaust gas. A plurality of heating units are disposed in the heating unit housing and are elongate in the direction of a heating unit longitudinal axis (H). Each heating unit has first and second heating unit longitudinal end regions. The heating units with the first heating unit longitudinal end regions and the second heating unit longitudinal end regions are supported in relation to the heating unit housing via a support structure. At least one heating unit by way of the first heating unit longitudinal end region thereof or/and the second heating unit longitudinal end region thereof is supported on the support structure so as to be movable in the direction of the longitudinal axis (H).

Abstract: An exhaust muffler has an outer cylinder into which an exhaust gas from an engine is introduced and a muffling member made of a foamed ceramic material. The outer cylinder has an inner cylinder through which the exhaust gas passes, a part of the muffling member is supported by an outer wall of the inner cylinder via a holding member. The inner cylinder includes, in an area where the inner cylinder overlaps with the muffling member with respect to axial direction of the inner cylinder, a porous wall portion formed with communication holes communicating an inside and an outside of the inner cylinder. The holding member is arranged at a position where it does not overlap with a part of the porous wall portion, so that muffling effect is enhanced, and the muffling member having a low resistance to impact forces can be supported stably by the inner cylinder.

Abstract: An exhaust system for an internal combustion engine includes an exhaust gas-carrying component (16) with an outer wall (14), a heat conductor element (12) with a jacket (40) and with a heat conductor device (50) enclosed by the jacket (40). A pass-through device (22) provides a gastight passing of the heat conductor element (12) through the outer wall (14) of the exhaust gas-carrying component (16). The pass-through device (22) includes a pass-through opening (26) in the outer wall (14), which pass-through opening (26) is traversed by the heat conductor element (12), and a connection element (24), which is connected in a gastight manner to the heat conductor element (12), on the one hand, and to the outer wall (14), on the other hand.

Abstract: An exhaust device for guiding exhaust gas from an exhaust pipe in front of an engine to a muffler in a rear of the engine is provided. The exhaust device includes a catalyst case in which a catalyst configured to purify the exhaust gas that passes through the exhaust pipe is accommodated, and a chamber in which a muffling chamber configured to reduce an exhaust noise is formed downstream of the catalyst case. The catalyst case is disposed in a range from a front space with respect to the engine to a front part of a lower space of the engine. The chamber is disposed so as to occupy at least a rear part of the lower space of the engine.

Abstract: An apparatus for heating an exhaust gas after-treatment unit in a vehicle has, as a drive source, both a combustion engine and an electric motor. The apparatus includes: a honeycomb body configured for exhaust gas to flow therethrough, the honeycomb body having a hollow, through which hollow the exhaust gas flows; and at least one electric heating element arranged in the hollow so as to heat the honeycomb body. The honeycomb body includes a plurality of metal foils stacked one on top of the other, which metal foils form between them a plurality of flow channels, through which a flow can pass along an axial direction, wherein the hollow of the honeycomb body extends in a radial direction, in which the at least one heating element is accommodated.

Abstract: Engine systems use a three-way catalyst followed by air injection and mixing to convert all hydrocarbons and carbon monoxide under various load conditions when exhaust gas temperature is above 500 degrees Celsius. A three-way catalytic converter is disposed in the exhaust system. A nozzle is configured to inject air into the exhaust system downstream from the three-way catalytic converter. A mixing plate with or without catalyst coatings is disposed in the exhaust system downstream from the nozzle. The mixing plate is bow shaped with a concave shaped side facing the nozzle to enhance carbon monoxide conversion. Optional two way catalytic converters are added downstream from the mixing plate to further reduce tailpipe hydrocarbon and carbon monoxide emissions.

Abstract: An internal combustion engine emissions reduction system in which a emissions passing through a second catalyst element having a second catalyst function are mixed with emissions passing through a first catalyst element having a first catalyst function.

Abstract: An exhaust system for an internal combustion engine and having at least an exhaust duct, which originates from the internal combustion engine and has an end part, which ends with an outlet opening, through which exhaust gases are released into the atmosphere. The end part of the exhaust duct has at least one movable wall, which can be moved to different positions to vary the width of the outlet opening. There are provided a motor-driven actuator device, which is configured to move the movable wall and can be electronically controlled, and a control unit, which is configured to vary, by controlling the actuator device, the position of the movable wall depending on a rotation speed of the internal combustion engine and on an engine load of the internal combustion engine.