A heat exchanger, particularly for charge air or exhaust gas, performs heat exchange between a first fluid and a second fluid, and includes heat exchanging guides for the first and second fluids, the guides being separated from each other in a core, the core having a plurality of flow channels throu
A heat exchanger, particularly for charge air or exhaust gas, performs heat exchange between a first fluid and a second fluid, and includes heat exchanging guides for the first and second fluids, the guides being separated from each other in a core, the core having a plurality of flow channels through which the first fluid flows, and a housing that receives the flow channels and through which the second fluid flows. The heat exchanger also includes at least one compartment lid, which is flow-connected to the flow channels, and a base that is attached to the compartment lid and that is equipped with one or more passage openings for flow channels. The compartment lid is attached to the base via one or more connections which connections are bolted connections and/or a slotted crimping.
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1. A heat exchanger for heat exchange between a first fluid, in particular a charge air or an exhaust gas, and a second fluid, in particular a coolant, the heat exchanger comprising: a core configured to guide the first and second fluid separately from one another and in a heat-exchanging manner, th
1. A heat exchanger for heat exchange between a first fluid, in particular a charge air or an exhaust gas, and a second fluid, in particular a coolant, the heat exchanger comprising: a core configured to guide the first and second fluid separately from one another and in a heat-exchanging manner, the core having a plurality of flow channels that are configured such that the first fluid is flowable there through;a housing configured to accommodate the flow channels, the housing being configured such that the second fluid is flowable there through;at least one case cover that is flow-connected to the flow channels; anda base being fixable to the case cover and having one or more through openings for the flow channels,wherein the case cover is fixable to the base via one or more connections, the connections being configured as a slot flange comprising a wall of the base having a plurality of discrete through-openings,wherein the case cover has a plurality of discrete ribs that project from an outer surface of the case cover, the plurality of discrete ribs opposing the wall having the plurality of discrete through-openings, andwherein the plurality of discrete ribs are positioned so as to be offset from the plurality of discrete through-openings, such that the plurality of discrete ribs directly contact respective wall spaces provided between every two respective adjacent through-openings. 2. The heat exchanger according to claim 1, wherein the case cover and the base are formed of different materials. 3. The heat exchanger according to claim 1, wherein the base is composed of a metal, in particular of aluminum. 4. The heat exchanger according to claim 1, wherein the case cover is composed of a non-metal, in particular a plastic, fibrous composite, or a ceramic or mixtures thereof. 5. The heat exchanger according to claim 1, wherein the case cover and a seal are parts of a case. 6. The heat exchanger according to claim 1, wherein a seal is disposed between the base and the case cover. 7. The heat exchanger according to claim 1, wherein the base has a bead in a base edge region. 8. The heat exchanger according to claim 7, wherein a seal is arranged in the bead. 9. The heat exchanger according to claim 7, wherein a front face of the case cover or of a wall section of the case cover extends along the bead. 10. The heat exchanger according to claim 7, wherein the case cover or a wall section of the case cover meets the base bluntly via a front face, and wherein the front face overlaps the bead. 11. The heat exchanger according to claim 7, wherein a front face of the case cover or of a wall section of the case cover engages in the bead. 12. The heat exchanger according to claim 1, wherein the flange is formed as a slot flange or as a corrugated slot flange. 13. The heat exchanger according to claim 1, wherein a base thickness is reduced radially outwards across a bead in a ratio of a greatest base thickness to a smallest base thickness in a range between 1.5:1 and 4:1 or between 2:1 and 4:1. 14. The heat exchanger according to claim 1, wherein a base thickness at least at a bead base is smaller than at a point of the base, which is situated further inwards along a radius. 15. The heat exchanger according to claim 1, wherein the base is fixable to the housing and/or the base accommodates the flow channels in the one or more through openings. 16. The heat exchanger according to claim 1, wherein the housing has side walls that extend along a flow direction, wherein the housing is formed in a multiple-part manner, and wherein at least one housing part forms a housing edge. 17. The heat exchanger according to claim 16, wherein at least one housing part, at least in some areas, forms in one piece a first and a second side wall aligned at an angle to one another. 18. The heat exchanger according to claim 1, wherein at least one housing part is formed in a U-shaped manner, or wherein the housing is formed of two U-shaped housing parts that are configured to be mated with one another. 19. The heat exchanger according to claim 18, wherein a parting edge of the housing parts is arranged in a region of a side wall. 20. The heat exchanger according to claim 18, wherein at least one housing part is formed in an L-shaped manner, or wherein the housing is formed of two L-shaped housing parts that are formed as mating parts. 21. The heat exchanger according to claim 18, wherein a parting edge of housing parts is arranged in a region of a housing edge. 22. The heat exchanger according to claim 1, characterized in that the core has a first arrangement and a second arrangement of flow channels, wherein the first arrangement and the second arrangement are arranged on opposite sides of an intermediate base. 23. The heat exchanger according to claim 18, wherein an intermediate base is arranged parallel to and/or essentially in a plane spanned by parting edges of the housing parts. 24. The heat exchanger according to claim 18, wherein opposite parting edges of housing parts form a gap. 25. The heat exchanger according to claim 18, wherein an intermediate base engages in a gap formed by opposite parting edges of the housing parts. 26. The heat exchanger according to claim 18, wherein a web covers parting edges of the housing parts, and wherein the web is arranged on an outside on the housing. 27. The heat exchanger according to claim 26, wherein the web has a bead or a stiffening bead. 28. The heat exchanger according to claim 1, wherein a bead of a web is configured to engage in a gap formed by opposite parting edges of housing parts. 29. The heat exchanger according to claim 28, wherein the housing parts are joined to one another adhesively and/or mechanically. 30. The heat exchanger according to claim 1, wherein the heat exchanger is a charge-air heat exchanger or charge-air cooler. 31. The heat exchanger according to claim 1, wherein the heat exchanger is an exhaust gas heat exchanger or an exhaust gas cooler. 32. The heat exchanger according to claim 1, wherein at least two components of the heat exchanger are soldered to one another. 33. The heat exchanger according to claim 1, wherein all of the components of the heat exchanger with the exception of the at least one case cover, in particular the two case covers, are soldered to one another. 34. Use of a heat exchanger according to claim 1, as a charge-air cooler for direct or indirect cooling of charge air in a charge-air system for an internal combustion engine of a motor vehicle. 35. A heat exchanger for heat exchange between a first fluid, in particular a charge air or an exhaust gas, and a second fluid, in particular a coolant, the heat exchanger comprising: a core configured to guide the first and second fluid separately from one another and in a heat-exchanging manner, the core having a plurality of flow channels that are configured such that the first fluid is flowable there through;a housing configured to accommodate the flow channels, the housing being configured such that the second fluid is flowable there through;a base having a plurality of through openings, the plurality of flow channels extending into the plurality of through openings, the base also having a peripheral groove;a compressible seal member mounted in the peripheral groove; anda case cover having an interior in fluid communication with the flow channels,wherein the case cover is mounted to the base such that a portion of the case cover compresses the compressible seal member in the groove,wherein the case cover is secured to the base without soldering, andwherein the base includes a flange defining a first wall of the peripheral groove, the first wall including a plurality of slots, wherein the case cover includes a plurality of discrete ribs that project from an outer surface of the case cover, wherein the plurality of discrete ribs oppose the first wall that includes the plurality of slots, and wherein the case cover is secured to the base by crimping the flange against the plurality of ribs. 36. The heat exchanger according to claim 1, wherein the plurality of discrete through openings comprise a plurality of elongate slots having a length direction parallel to a longitudinal direction of the slot flange. 37. The heat exchanger according to claim 35, wherein the compressible seal member is formed from a material different than a material of the case cover. 38. The heat exchanger according to claim 35, wherein the plurality of discrete ribs are positioned so as to be offset from the plurality of slots, such that each respective rib directly contacts a respective wall space provided between every two respective adjacent slots. 39. The heat exchanger according to claim 22, wherein the intermediate base has a plurality of openings that extend in a direction perpendicular to openings of the flow channels of the first arrangement and the second arrangement.
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