Abstract: A three-way flap valve (4) includes an inlet (1), a first outlet (2), a second outlet (3), and a valve flap (5). The valve flap (5) can be moved between at least a first position and a second position. In the first position of the valve flap (5), fluid flowing in through the inlet (1) is directed to the first outlet (2). In the second position of the valve flap (5), fluid flowing in through the inlet (1) is directed to the second outlet (3). A surface (51) of the valve flap (5) circumscribed by an outer edge (53) includes at least a first surface section (A1), where the surface of the valve flap (5) has a curvature.

Abstract: A mixing element (1) for a mixing device in an exhaust gas-conducting pipe (8) of an exhaust system of a combustion engine provides advantageous intermixing of the exhaust gas with an additive and an advantageous temperature distribution within the exhaust gas-additive mixture. The mixing element (1) includes at least four vanes (2) and a connecting section (3). The vanes (2) are angled off from the connecting section (3). Two vanes (2) which, with respect to a longitudinal axis (5) of the connecting section (3), are directly adjacent or two vanes (2) which are located directly opposite, with respect to the longitudinal axis (5) of the connecting section (3), are angled off towards different sides (4?, 4?) of the connecting section (3). The mixing element (1) as well as the connecting section (3) and the associated vanes (2) are embodied as shaped sheet metal part.

Abstract: A heat exchanger (28) has a first inlet (29) and a first outlet (30), which are fluidically connected with one another via a first path (31) carrying for a first medium to be cooled. A second inlet (32) and a second outlet (33) are fluidically connected with one another via a second path (34) carrying a second medium. A third inlet (35) and a third outlet (36) are fluidically connected with one another via a third path (37) carrying a third medium. The first path (31) is coupled with the second path (34) and with the third path (37) in a heat-transferring manner and in such as way that the media are separated. The heat-transferring coupling between the first path and the second path takes place upstream of the heat-transferring coupling between the first path and the third path relative to the direction of flow of the first medium.

Abstract: An evaporator (1), for evaporating a liquid (4), particularly for a waste heat utilization device of an internal combustion engine, includes a plurality of channel plate arrangements (2) that are stacked in a stacking direction (3). A gas path (6) is formed between each pair of adjacent channel plate arrangements (2), through which a gas (7) can be conducted. The gas is used to supply the heat that is required to evaporate the liquid (4). Each channel plate arrangement (2) contains a liquid inlet (8), a steam outlet (9), and a channel (11) which connects the liquid inlet (8) and steam outlet (9) together and which forms a repeatedly-deflecting evaporation path (12) for the liquid (4) to be evaporated. Increased efficiency can be achieved if the channel (11) has, in an evaporation path (12) evaporation zone (14), a flowable cross-section (18) which increases in a direction of liquid (4) flow.

Abstract: A latent heat storage device with at least one hollow space having a constant storage volume which contains a phase-changing material. The material loading of the latent heat storage device can be reduced if the storage volume is so dimensioned that it consists of a basic volume which the phase-changing material assumes in the solidified state and an expansion volume which the phase-changing material additionally assumes in the molten state.

Abstract: A PCM device (1) is provided for an exhaust system of an internal combustion engine, especially of a motor vehicle. A simplified installation of the PCM device (1), with reduced heat stresses, is achieved through the provision of at least one storage plate (2), which has two plate bodies (3, 4), which follow each other, enclose a storage space (7) filled with heat storage material (18) and have a wave structure (5, 6) each. The wave structure (5) of one plate body (3) extends sloped in relation to the wave structure (6) of the other plate body (4).

Abstract: A fin-type heat transfer device (1), in particular for vehicle applications, has fins (2) stacked onto one another spaced in a stack direction (5), which form a fin stack. The fins each form a plurality of openings (4) surrounded by collars (3), and the collars of adjacent fins are coupled to one another. In the region of the coupled collars, a channel (6), each of a channel system (7) for a first flow path (8) of a first fluid, is formed and between adjacent fins a second flow path (9) of a second fluid is formed, and with end plates (10) on ends of the fin stack that are distant from one another in the stack direction. The channels are fluidically connected to one another within the end plates. The fin-type heat transfer device (1) makes possible a cost-effective and simple production and assembly through a tubeless construction.

Abstract: A heat exchanger (18) is provided for an internal combustion engine (1) for heat transfer between a gas stream (8) and a working medium stream (10). The heat exchanger (18) comprises a housing (28), which encloses a gas path (38), and with at least one spiral tube (29), which carries a working medium path (30) and which is arranged in the gas path (38) and which extends helically in relation to the central longitudinal axis (31) of the housing (28). Increased fatigue strength is achieved with an elastic outer mounting layer (32). The elastic outer mounting layer (32) is arranged between the housing (28) and the at least one spiral tube (29).

Abstract: A component of an exhaust system for a combustion engine, particularly of a motor vehicle, which at least in part regions includes a self-supporting jacket. The jacket includes a porous, open-pore or closed-pore cellularly constructed foam. The foam is of a self-supporting design. By using such a foam the insulation of the component can be improved.

Abstract: A latent heat storage device for an exhaust system of a combustion engine of a motor vehicle, with a storage body having a plurality of channels running parallel to one another, of which at least some contain a phase-changing material. The storage body is formed through a layer structure with at least two plates of which at least one is corrugated and which contact each other and are fastened to each other in such a manner that the corrugations of the at least one plate form the channels.

Abstract: A heat exchanger (28) has a first inlet (29) and a first outlet (30), which are fluidically connected with one another via a first path (31) carrying for a first medium to be cooled. A second inlet (32) and a second outlet (33) are fluidically connected with one another via a second path (34) carrying a second medium. A third inlet (35) and a third outlet (36) are fluidically connected with one another via a third path (37) carrying a third medium. The first path (31) is coupled with the second path (34) and with the third path (37) in a heat-transferring manner and in such as way that the media are separated. The heat-transferring coupling between the first path and the second path takes place upstream of the heat-transferring coupling between the first path and the third path relative to the direction of flow of the first medium.

Abstract: The invention relates to a latent heat storage catalyst (3) for an exhaust system (1) in an internal combustion engine, in particular of a motor vehicle, comprising a member (5) that includes several parallel ducts (6). First ducts (6?) contain a phase change material (7), and second ducts (6?) have a catalytic coating (14). In order to be able to produce said latent heat storage catalyst at a low cost, the member (5) is formed by at least one layered structure (9) comprising two metal sheets (10, 11), at least one of which is corrugated and which rest against each other and are attached to one another such that the ridges of the at least one corrugated metal sheet (10) form the ducts (6).

Abstract: A vehicle burner (6) for heating a gas flow (14) in a motor vehicle is provided with a fuel pump (10) for delivering a fuel to an injection nozzle (11) that can be actuated for injecting the fuel into a combustion chamber (7), with an air delivery device (16) for delivering air to the combustion chamber (7), with a control (17) for operating the. A vehicle burner (6), which is coupled with the fuel pump (10), with the air delivery and/or air regulating device (16) and with the injection nozzle (11). Burner waste gas, which is generated during the operation of the. A vehicle burner (6) by the reaction of fuel with air in the combustion chamber (7), is used to heat the gas flow (14). To increase efficiency, a control (17) determines a quantity of fuel, a quantity of air and a fuel pressure as a function of a presettable heat output.

Abstract: A heat exchanger (5) includes a housing (31), which contains a tube (32) and has a jacket (33), which surrounds the tube (32) while forming a ring channel (34). A primary inlet (35) and a primary outlet (36) are connected to one another fluidically via a primary path (37) carrying a primary medium through ring channel (34) and via a bypass path (38) carrying the primary medium through the tube (32). A control device (39) controls the flow of the primary medium through the primary path (37) and the bypass path (38). A secondary inlet (42) and a secondary outlet (43) are connected to one another fluidically via at least two secondary paths (44) for carrying a secondary medium. The primary path (37) is coupled with the secondary paths (44) in a heat-transferring manner with the media separated from one another.

Abstract: A heat exchanger (5) includes a housing (31), which contains a tube (32) and has a jacket (33), which surrounds the tube (32) while forming a ring channel (34). A primary inlet (35) and a primary outlet (36) are fluidically connected with one another via a primary path (37) carrying a primary medium through the ring channel (34) and via a bypass path (38) carrying the primary medium through the tube (32). A control (39) controls the flow of the primary medium through the primary path (37) and through the bypass path (38). At least two secondary inlets (42) and two secondary outlets (43) are fluidically connected with one another via at least two secondary paths (44) for carrying at least one secondary medium. The primary path (37) is coupled with the secondary paths (44) in a heat-transferring manner and such that the media are separated from one another.

Abstract: A PCM device (1) is provided for an exhaust system of an internal combustion engine, especially of a motor vehicle. A simplified installation of the PCM device (1), with reduced heat stresses, is achieved through the provision of at least one storage plate (2), which has two plate bodies (3, 4), which follow each other, enclose a storage space (7) filled with heat storage material (18) and have a wave structure (5, 6) each. The wave structure (5) of one plate body (3) extends sloped in relation to the wave structure (6) of the other plate body (4).

Abstract: A mixing element (1) for a mixing device in an exhaust gas-conducting pipe (8) of an exhaust system of a combustion engine provides advantageous intermixing of the exhaust gas with an additive and an advantageous temperature distribution within the exhaust gas-additive mixture. The mixing element (1) includes at least four vanes (2) and a connecting section (3), The vanes (2) are angled off from the connecting section (3). Two vanes (2) which, with respect to a longitudinal axis (5) of the connecting section (3), are directly adjacent or two vanes (2) which are located directly opposite, with respect to the longitudinal axis (5) of the connecting section (3), are angled off towards different sides (4?, 4?) of the connecting section (3). The mixing element (1) as well as the connecting section (3) and the associated vanes (2) are embodied as shaped sheet metal part.

Abstract: A finned-tube heat transfer device (1) has a housing (2) enclosing a first flow path (3) for a first fluid with a first inlet (4) and a first outlet (5). A tube system (9) forms a second flow path (10) for a second fluid with a second inlet (11) and a second outlet (12) and which is coupled to the first flow path (3) in the housing (2) in a heat transferring manner. The tube system (9) has a multitude of tubes (13) that are parallel to one another, which extend between two housing walls (7) laterally delimiting the first flow path (3). The tubes are provided with fins (14), within the first flow path (3), which are fluidically interconnected outside the first flow path (3). A simplified producability can be achieved if the fluidic connection of the tubes (13) is effected within the two housing walls (7).

Abstract: The invention relates to a latent heat storage catalyst (3) for an exhaust system (1) in an internal combustion engine, in particular of a motor vehicle, comprising a member (5) that includes several parallel ducts (6). First ducts (6?) contain a phase change material (7), and second ducts (6?) have a catalytic coating (14). In order to be able to produce said latent heat storage catalyst at a low cost, the member (5) is formed by at least one layered structure (9) comprising two metal sheets (10, 11), at least one of which is corrugated and which rest against each other and are attached to one another such that the ridges of the at least one corrugated metal sheet (10) form the ducts (6).

Abstract: A component of an exhaust system for a combustion engine, particularly of a motor vehicle, which at least in part regions includes a self-supporting jacket. The jacket includes a porous, open-pore or closed-pore cellularly constructed foam. The foam is of a self-supporting design. By using such a foam the insulation of the component can be improved.