Optimized designs of heat exchangers, and, in particular, heat exchangers and assemblies comprising multi-exchangers or combo coolers comprising different heat exchanger parts or elements, and fins or separators of different types and/or characteristics on the different tube parts of the heat exchan
Optimized designs of heat exchangers, and, in particular, heat exchangers and assemblies comprising multi-exchangers or combo coolers comprising different heat exchanger parts or elements, and fins or separators of different types and/or characteristics on the different tube parts of the heat exchanger results, are disclosed. The two part heat exchanger is capable of being traversed by different fluids, and fins differ in characteristics, such as height and pitch, to increase overall heat exchanger efficiency.
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What is claimed is: 1. A combo cooler heat exchanger, comprising: a plurality of first tubes; a plurality of second tubes; a first end tank; a second end tank opposite the first end tank; and the plurality of first tubes in fluid communication with the first and second end tanks and adapted to have
What is claimed is: 1. A combo cooler heat exchanger, comprising: a plurality of first tubes; a plurality of second tubes; a first end tank; a second end tank opposite the first end tank; and the plurality of first tubes in fluid communication with the first and second end tanks and adapted to have a first fluid flow therethrough; the plurality of second tubes in fluid communication with the first and second end tanks and adapted to have a fluid flow therethrough; at least one first tube of the plurality of first tubes adjacent to another first tube; at least one second tube of the plurality of second tubes adjacent to another second tube; at least one first fin interposed between adjacent first tubes; and at least one second fin interposed between adjacent second tubes; wherein the plurality of first tubes and the plurality of second tubes are basically parallel to one another and are connected with the same pair of tanks, and the first fin has different characteristics from the second fin, wherein the hydraulic diameter of the first tubes is greater than the hydraulic diameter of the second tubes and wherein the at least one first fin, on a per fin basis, has an air contact area less in area than the at least one second fin, on a per fin basis and wherein the height of the at least one second fin is greater than that of the at least first fin and wherein the pitch of the at least one second fin is less than the pitch of the at least one first fin. 2. A combo cooler heat exchanger, comprising: a plurality of first tubes; a plurality of second tubes; a first end tank; a second end tank opposite the first end tank; a core comprising the first and second tubes and first and second end tanks; the plurality of first tubes and the plurality of second tubes in the core are connected to and in fluid communication with the first and second end tanks; the plurality of first tubes are adapted to have a fluid flow of a first fluid therethrough; the plurality of second tubes are adapted to have a fluid flow of a second fluid therethrough; at least one first fin is interposed between and connected to adjacent first tubes, the at least one first fin having a height between about 3 to about 12 mm; and at least one second fin is interposed between and connected to adjacent second tubes; wherein the depth of the core when measured from front to back is between about 4 mm to 40 mm, and wherein the first fin has different characteristics from the second fin; wherein the plurality of first tubes and the plurality of second tubes are coplanar; wherein the first fluid and the second fluid are distinguishably different fluids; and wherein the hydraulic diameter of the first tubes is greater than the hydraulic diameter of the second tubes and wherein the at least one first fin, on a per fin basis, has an air contact area less in area than the at least one second fin, on a per fin basis and wherein the height of the second fin is greater than that of the first fin. 3. The combo cooler heat exchanger of claim 2, wherein the height of the first fin is between about 3 to about 12 mm. 4. The combo cooler heat exchanger of claim 2, wherein the absolute value of the average difference in the heights of the second fin and the first fin is greater than or equal to 0.5 mm. 5. A combo cooler heat exchanger, comprising: a plurality of first tubes; a plurality of second tubes different from the plurality of first tubes; a first end tank; a second end tank opposite the first end tank; the plurality of first tubes connected with and in fluid communication with the first and second end tanks and adapted to have a fluid flow of a first fluid therethrough; the plurality of second tubes connected with and in fluid communication with the first and second end tanks and adapted to have a fluid flow of a second fluid therethrough; at least one first separator interposed between adjacent first tubes; and at least one second separator interposed between adjacent second tubes; wherein the first separator has different characteristics from the second separator, and wherein the hydraulic diameter of the first tubes is greater than the hydraulic diameter of the second tubes and wherein the at least one first separator, on a per separator basis, has an air contact area less in area than the at least one second separator, on a per separator basis, and wherein the height of the at least one second separator is greater than that of the at least first separator and wherein the pitch of the at least one second separator is less than the pitch of the at least one first separator; wherein the plurality of first tubes and the plurality of second tubes are coplanar; and wherein the first fluid and the second fluid are distinguishably different fluids. 6. A combo cooler heat exchanger, comprising: a plurality of first tubes; a plurality of second tubes; a first end tank; a second end tank opposite the first end tank; the one or more first tubes in fluid communication with the first and second end tanks and adapted to have a first fluid flow therethrough; the one or more second tubes in fluid communication with the first and second end tanks and adapted to have a fluid flow therethrough; at least one first separator interposed between adjacent first tubes; and at least one second separator interposed between adjacent second tubes; wherein the first separator has different characteristics from the second separator, the hydraulic diameter of the first tubes is greater than the hydraulic diameter of the second tubes, the at least one first separator, on a per separator basis, has an air contact area less in area than the at least one second separator, on a per separator basis, the height of the at least one second separator is greater than that of the at least first separator, and wherein the pitch of the at least one second separator is less than the pitch of the at least one first separator. 7. A combo cooler heat exchanger, comprising: a plurality of first tubes; a plurality of second tubes; a first end tank; a second end tank opposite the first end tank; one or more first tubes in fluid communication with the first and second end tanks and adapted to have a first fluid flow therethrough; one or more second tubes in fluid communication with the first and second end tanks and adapted to have a fluid flow therethrough; at least one first fin interposed between adjacent first tubes; and at least one second fin interposed between adjacent second tubes; wherein the first fin has different characteristics from the second fin, and wherein the pitch of the at least one second fin is less than the pitch of the at least one first fin, the hydraulic diameter of the first tubes is greater than the hydraulic diameter of the second tubes, the at least one first fin, on a per fin basis, has an air contact area less in area than the at least one second fin, on a per fin basis, and wherein the height of the at least one second fin is greater than that of the at least first fin. 8. A combo cooler as in claim 5, wherein the air-side thermal resistance of the at least one first separator, on a per separator basis, is less than the air-side thermal resistance of the at least one second separator. 9. The combo cooler heat exchanger of claim 5, wherein the second tubes are adapted to have a second fluid flow therethrough and wherein the first fluid comprises a high viscosity fluid or oil and the second fluid comprises a low viscosity fluid, refrigerant or coolant.
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이 특허에 인용된 특허 (11)
Christian Marsais FR, Combined heat exchanger, particularly for a motor vehicle.
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