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 f
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).
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1. A finned-tube heat transfer device comprising: a housing enclosing a first flow path in the circumferential direction with the first flow path penetrating the housing in the longitudinal direction of the housing, said housing having longitudinal ends comprising a first inlet for a first fluid and
1. A finned-tube heat transfer device comprising: a housing enclosing a first flow path in the circumferential direction with the first flow path penetrating the housing in the longitudinal direction of the housing, said housing having longitudinal ends comprising a first inlet for a first fluid and a first outlet for the first fluid, said first flow path being laterally delimited by two housing walls; anda tube system forming a second flow path for a second fluid, said tube system comprising a second inlet for the second fluid and a second outlet for the second fluid, said tube system being arranged in said first flow path and being coupled in said housing to said first flow path in a heat transferring manner and comprising a multitude of tubes, which are parallel to one another, which extend between said two housing walls and which are provided with fins within said first flow path, said tubes being arranged offset to one another transversely to a flow direction of the first fluid, said tubes being fluidically interconnected outside of said first flow path by a fluidic connection of said tubes effected within said two housing walls, said second fluid inlet being formed on one of said two housing walls and said one of the two housing walls comprising a hollow space comprising a distribution chamber, which fluidically connects entry ends of a plurality of said tubes to said second fluid inlet, said second fluid outlet being formed on another one of said two housing walls and said another one of said two housing walls comprises a hollow space comprising a collecting chamber, which fluidically connects exit ends of a plurality of said tubes to said second fluid outlet, one of said two housing walls comprising a first double wall structure, said first double wall structure comprising a first integrally formed one-piece inner wall and a first integrally formed one-piece outer wall, said first housing outer wall comprising a plurality of first connecting channel portions, said first connecting channel portions being diagonally arranged to form a diagonal arrangement of connecting channels, at least one of said plurality of first connecting channel portions being located at a spaced location from another one of said plurality of first connecting channel portions with respect to a first direction of said first housing outer wall, said at least one of said plurality of first connecting channel portions being located at a spaced location from yet another one of said plurality of first connecting channels portions with respect to a second direction of said first housing outer wall, said first direction being different from said second direction, said plurality of first connecting channel portions being integrally connected to said first integrally formed one-piece housing outer wall, another one of said two housing walls comprising a second double wall structure, said second double wall structure comprising a second integrally formed one-piece inner wall and a second integrally formed one-piece outer wall, said second integrally formed one piece outer wall comprising a plurality of second connecting channel portions, at least one of said plurality of second connecting channel portions being located at a spaced location from another one of said plurality of second connecting channel portions with respect to a second housing outer wall first direction of said second housing outer wall, said at least one of said plurality of second connecting channel portions being located at a spaced location from yet another one of said plurality of second connecting channels portions with respect to a second housing outer wall second direction of said second housing outer wall, said second housing outer wall second direction being different from said second housing outer wall first direction, said plurality of second connecting channel portions being integrally connected to said second integrally formed one-piece outer wall, each of said first connecting channel portions and each of said second connecting channel portions connecting an exit end of one of said tubes to an entry end of another one of said tubes, said second fluid inlet being formed on one of said first integrally formed one-piece outer wall and said second integrally formed one-piece outer wall, one of said first integrally formed one-piece outer wall and said second integrally formed one-piece outer wall and one of a portion of said first integrally formed one-piece inner wall and a portion of said second integrally formed one-piece inner wall defining said distribution chamber, another one of said first integrally formed one-piece outer wall and said second integrally formed one-piece outer wall and another one of said portion of said first integrally formed one-piece inner wall and said portion of said second integrally formed one-piece inner wall defining said collecting chamber, said second fluid outlet being formed on said another one of said first integrally formed one-piece outer wall and said second integrally formed one-piece outer wall. 2. The finned-tube heat transfer device according to claim 1, wherein each of said two housing walls contain hollow spaces fluidically connected to the respective said tubes, said first double wall structure being located opposite said second double wall structure, each of said first connecting channel portions defining an outermost surface of said first housing outer wall, each of said second connecting portions defining an outermost surface of said second housing outer wall, wherein a first planar portion of said first housing outer wall is located between each of said plurality of first connecting channel portions and said another one of said plurality of first connecting channel portions with respect to said first direction of said first housing outer wall and a second planar portion of said first housing outer wall is located between each of said plurality of said first connecting channel portions and said yet another one of said plurality of first connecting channels portions with respect to said second direction of said first housing outer wall, wherein a second housing outer wall first planar portion is located between each of said plurality of second connecting channel portions and said another one of said plurality of second connecting channel portions with respect to said second housing outer wall first direction and a second housing outer wall second planar portion is located between each of said plurality of second connecting channel portions and said yet another one of said plurality of second connecting channels portions with respect to said second housing outer wall second direction. 3. The finned-tube heat transfer device according to claim 1, wherein each of said two housing walls comprises an inner wall facing said first flow path and an outer wall facing away from said first flow path, wherein the respective said tubes are fluidically interconnected between said outer wall and said inner wall, said first flow path being parallel to a longitudinal axis of said two housing walls, wherein said distribution chamber extends in a direction orthogonal to said first flow path, each of said first connecting channel portions defining an outer periphery of said first housing outer wall, each of said second connecting portions defining an outer periphery of said second housing outer wall. 4. The finned-tube heat transfer device according to claim 3, wherein said tubes penetrate the respective said inner wall and end in one of hollow spaces formed between said inner wall and said outer wall, said first connecting channel portions and said second connecting channel portions extending parallel to said first flow path. 5. The finned-tube heat transfer device according to claim 4, wherein said hollow spaces are formed in said outer wall and are closed off by said inner wall, said first direction and said second housing outer wall first direction being parallel to said first flow path, said second direction and said second housing outer wall second direction being perpendicular to said first flow path. 6. The finned-tube heat transfer device according to claim 2, wherein one of: said hollow spaces each form a connecting channel, each connecting channel connecting an exit end of one of said tubes to an entry end of another one of said tubes; andsaid hollow spaces each form a connecting chamber, each connecting chamber connecting exit ends of a plurality of said tubes to entry ends of a plurality of other said tubes. 7. The finned-tube heat transfer device according to claim 3, wherein one of: said first integrally formed one-piece outer wall bears flat against said first integrally formed one-piece inner wall and/or is fastened to said first integrally formed one-piece inner wall in a flat or line-shaped manner; andsaid first integrally formed one-piece outer wall bears against said first integrally formed one-piece inner wall in the shape of a line and/or is fastened to said first integrally formed one-piece inner wall in the manner of a line. 8. The finned-tube heat transfer device according claim 3, wherein said first integrally formed one-piece inner wall and said second integrally formed one-piece inner wall comprise tube openings, each of which is penetrated by a single tube, wherein said tube openings are configured to be collarless or have a circumferential collar or are configured as passages. 9. The finned-tube heat transfer device according to claim 3, wherein each of said tubes are fastened to a respective said inner wall and do not touch a respective said outer wall. 10. The finned-tube heat transfer device according to claim 1, wherein one of: each tube of said tubes within said first flow path has fins of said tube's own;a plurality of said tubes within said first flow path comprise common fins; andall of said tubes within said first flow path comprise fins assigned in common to all of said tubes and run parallel and/or congruently to said two housing walls. 11. The finned-tube heat transfer device according to claim 1, wherein said tubes extend transversely to the longitudinal direction of said housing through said first flow path and are arranged parallel next to one another both in the longitudinal direction and also the transverse direction of said housing. 12. The finned-tube heat transfer device according to claim 1, wherein the fluidic connections of said tubes are realized such that a plurality of parallel-connected tube groups are formed, each of said tube groups comprising a plurality of tubes connected in series. 13. A process for heat transfer comprising the steps of: providing a finned-tube heat transfer device comprising a housing with longitudinal ends comprising a first inlet for a first fluid and a first outlet for the first fluid, said housing enclosing, in a circumferential direction, a longitudinal direction first flow path for the first fluid which is laterally delimited by a first wall structure and a second wall structure and a tube system forming a second flow path for a second fluid, said tube system comprising a second inlet for the second fluid and a second outlet for the second fluid, said tube system being arranged in said first flow path and being coupled in said housing to said first flow path in a heat transferring manner and said tube system comprising a multitude of tubes, which are parallel to one another, which extend between said first wall structure and said second wall structure and which are provided with fins within said first flow path, said tubes being arranged offset to one another transversely to a flow direction of said first fluid, said tubes being fluidically interconnected outside of said first flow path by a fluidic connection of said tubes effected within said first housing wall structure and said second housing wall structure, said first housing wall structure comprising a first one-piece outer housing wall and a first one-piece inner housing wall, said second wall structure comprising a second one-piece outer housing wall and a second one-piece inner housing wall, said first one-piece outer housing wall comprising a plurality of first connecting channel portions, said first connecting channel portions being diagonally arranged to form a diagonal arrangement of connecting channels, said plurality of first connecting channel portions being integrally connected to said first one-piece outer housing wall, said first connecting channel portions defining an outermost portion of said first one-piece outer housing wall, said second one-piece outer housing wall comprising a plurality of second connecting channel portions, each of said second connecting channel portions defining an outermost portion of said second one-piece outer housing wall, each of said second connecting channel portions being integrally connected to said second one-piece outer housing wall, each of said first connecting channel portions and each of said second connecting channel portions connecting an exit end of one of said tubes to an entry end of another one of said tubes, said second fluid inlet being formed on one of said first one-piece outer housing wall and said second one-piece outer housing wall, one of said first one-piece outer housing wall and said second one-piece outer housing wall and one of a portion of said first one-piece inner housing wall and a portion of said second one-piece inner housing wall defining a distribution chamber, which fluidically connects entry ends of a plurality of said tubes to said second inlet;using said finned-tube heat transfer device as an exhaust gas heat transfer device or as an evaporator or as an exhaust gas recirculation cooler or as a charge air cooler or as a condenser or as a heater heat transfer device or as an evaporator or a condenser of an air-conditioning device or as an evaporator or as a condenser of a waste heat utilization device based on a Rankine cycle process. 14. A process for heat transfer comprising the steps of: providing a finned-tube heat transfer device comprising a housing with longitudinal ends comprising a first inlet for a first fluid and a first outlet for the first fluid, said housing enclosing, in a circumferential direction, a longitudinal direction first flow path for the first fluid which is laterally delimited by a first housing wall structure and a second wall structure and a tube system forming a second flow path for a second fluid, said first wall structure comprising a first integrally formed one-piece housing outer wall and a first integrally formed one-piece housing inner wall, said second wall structure comprising a second integrally formed one-piece housing outer wall and a second integrally formed one-piece housing inner wall, said tube system comprising a second inlet for the second fluid and a second outlet for the second fluid, said tube system being arranged in said first flow path and being coupled in said housing to said first flow path in a heat transferring manner and said tube system comprising a multitude of tubes, which are parallel to one another, which extend between said first wall structure and said second wall structure and which are provided with fins within said first flow path, said tubes being fluidically interconnected outside of said first flow path by a fluidic connection of said tubes effected within said first housing wall structure and said second housing wall structure, said tubes being arranged offset to one another transversely to a flow direction of said first fluid, said first integrally formed one-piece housing outer wall comprising a first housing wall inner surface, said first housing wall inner surface extending continuously, without interruption, from one end of said first wall structure to another end of said first wall structure, said inner surface defining a plurality of first connecting channel portions, said first connecting channel portions being diagonally arranged to form a diagonal arrangement of connecting channels, each of said plurality of first connecting channel portions defining an outer periphery of said first wall structure, said second integrally formed one-piece housing outer wall comprising a second housing wall inner surface, said second housing wall inner surface extending continuously, without interruption, from one end of said second wall structure to another end of said second wall structure, said second housing wall inner surface defining a plurality of second connecting channel portions, each of said plurality of second connecting channel portions defining an outer periphery of said second wall structure, each of said first connecting channel portions and each of said second connecting channel portions connecting an exit end of one of said tubes to an entry end of another one of said tubes, said second fluid inlet being formed on one of said first integrally formed one-piece housing outer wall and said second integrally formed one-piece housing outer wall, said one of said first housing wall inner surface and said second housing wall inner surface and one of a portion of said first integrally formed one-piece housing inner wall and a portion of said second integrally formed one-piece housing inner wall defining a distribution chamber, which fluidically connects entry ends of a plurality of said tubes to said second fluid inlet;connecting the finned-tube heat transfer device for transferring heat between the first fluid and the second fluid as part of an exhaust gas heat transfer device or as an evaporator or as an exhaust gas recirculation cooler or as an charge air cooler or as a condenser or as a heater heat transfer device or as an evaporator or a condenser of an air-conditioning device or as an evaporator or as condenser of a waste heat utilization device based on a Rankine cycle process. 15. A process in accordance with claim 14, wherein said second fluid outlet is formed on another one of said first integrally formed one-piece housing outer wall and said second integrally formed one-piece housing outer wall, wherein another one of said first housing wall inner surface and said second housing wall inner surface and another one of said portion of said first integrally formed one-piece housing inner wall and said portion of said second integrally formed one-piece housing inner wall define a collecting chamber, which fluidically connects exit ends of a plurality of said tubes to said second fluid outlet, said collecting chamber extending perpendicular to said first flow path, at least one of said plurality of first connecting channel portions being located at a spaced location from another one of said plurality of first connecting channel portions with respect to a first direction of said first housing outer wall, said at least one of said plurality of first connecting channel portions being located at a spaced location from yet another one of said plurality of first connecting channels portions with respect to a second direction of said first housing outer wall, said first direction being different from said second direction, at least one of said plurality of second connecting channel portions being located at a spaced location from another one of said plurality of second connecting channel portions with respect to a second housing outer wall first direction of said second housing outer wall, said at least one of said plurality of second connecting channel portions being located at a spaced location from yet another one of said plurality of second connecting channels portions with respect to a second housing outer wall second direction of said second housing outer wall, said second housing outer wall second direction being different from said second housing outer wall first direction. 16. A process in accordance with claim 15, wherein said first integrally formed one-piece housing outer wall comprises a plurality of flat portions, each of said flat portions being in direct contact with a portion of said first integrally formed one-piece housing inner wall, said second integrally formed one-piece housing outer wall comprising a plurality of second housing wall flat portions, each of said second housing wall flat portions being in direct contact with a portion of said second integrally formed one-piece housing inner wall, wherein a first planar portion of said first housing outer wall is located between each of said plurality of first connecting channel portions and said another one of said plurality of first connecting channel portions with respect to said first direction and a second planar portion of said first housing outer wall is located between each of said plurality of said first connecting channel portions and said yet another one of said plurality of first connecting channels portions with respect to said second direction, wherein a second housing outer wall first planar portion is located between each of said plurality of second connecting channel portions and said another one of said plurality of second connecting channel portions with respect to said second housing outer wall first direction and a second housing outer wall second planar portion is located between each of said plurality of second connecting channel portions and said yet another one of said plurality of second connecting channels portions with respect to said second housing outer wall second direction, wherein said distribution chamber extends in a direction orthogonal to said first flow path, said first flow path being parallel to a longitudinal direction of said first wall structure and said second wall structure. 17. A process in accordance with claim 13, wherein said second fluid outlet is formed on another one of said first one-piece outer housing wall and said second one-piece outer housing wall, said another one of said first one-piece outer housing wall and said second one-piece outer housing wall and another one of said portion of said first one-piece inner housing wall and said portion of said second one-piece inner housing wall a collecting chamber, which fluidically connects exit ends of a plurality of said tubes to said second fluid outlet, said collecting chamber extending perpendicular to said first flow path, at least one of said plurality of first connecting channel portions being located at a spaced location from another one of said plurality of first connecting channel portions in a first direction of said first housing outer wall, said at least one of said plurality of first connecting channel portions being located at a spaced location from yet another one of said plurality of first connecting channels portions in a second direction of said first housing outer wall, said first direction being different from said second direction, at least one of said plurality of second connecting channel portions being located at a spaced location from another one of said plurality of second connecting channel portions in a second housing outer wall first direction of said second housing outer wall, said at least one of said plurality of second connecting channel portions being located at a spaced location from yet another one of said plurality of second connecting channels portions with respect to a second housing outer wall second direction of said second housing outer wall, said second housing outer wall first direction being different from said second housing outer wall second direction. 18. A process in accordance with claim 17, wherein said first one-piece outer housing wall comprises a plurality of flat portions, each of said flat portions being in direct contact with a portion of said first one-piece inner housing wall, said second one-piece outer housing wall comprising a plurality of second housing wall flat portions, each of said second housing wall flat portions being in direct contact with a portion of said second one-piece inner housing wall, wherein a first planar portion of said first housing outer wall is located between each of said plurality of first connecting channel portions and said another one of said plurality of first connecting channel portions with respect to said first direction of said first housing outer wall and a second planar portion of said first housing outer wall is located between each of said plurality of said first connecting channel portions and said yet another one of said plurality of first connecting channels portions with respect to said second direction of said first housing outer wall, wherein a second housing outer wall first planar portion is located between each of said plurality of second connecting channel portions and said another one of said plurality of second connecting channel portions with respect to said second housing outer wall first direction and a second housing outer wall second planar portion is located between each of said plurality of second connecting channel portions and said yet another one of said plurality of second connecting channels portions with respect to said second housing outer wall second direction. 19. A process in accordance with claim 17, wherein said first wall structure is arranged on one side of said housing, said second wall structure being arranged on another side of said housing, wherein said distribution chamber extends in a direction orthogonal to said first flow path, said first flow path being parallel to a longitudinal direction of said first wall structure and said second wall structure.
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이 특허에 인용된 특허 (5)
Vladlen Futernik, Device for air temperature control in a vehicle.
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