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1. (US20050056408) Radial flow heat exchanger
Anmerkung: Text basiert auf automatischer optischer Zeichenerkennung (OCR). Verwenden Sie bitte aus rechtlichen Gründen die PDF-Version.

Claims

1. A radial flow heat exchanger, comprising:
a sealed fluid manifold having an interior wall portion;
a sealed fluid hub located interiorly of the interior wall portion of the manifold;
a plurality of spaced fluid flow tubes, each tube having an interior portion and an exterior surface, the interior portion being in sealed fluid communication with the manifold at a first tube end and in sealed fluid communication with the hub at a second tube end; and
a fin assembly positioned between the manifold and the hub, the fin assembly comprising heat conducting material arranged in a spiral, the heat conducting material being in intimate heat conducting contact with the exterior surface of one or more of the tubes.
2. A radial flow heat exchanger as set forth in claim 1, wherein a cross-section of the heat conducting material is thicker at one portion of the fin assembly than it is at another portion thereof.
3. A radial flow heat exchanger as set forth in claim 1, wherein a cross-section of the heat conducting material is thicker at a position in proximity to the manifold than it is at a position in proximity to the hub.
4. A radial flow heat exchanger as set forth in claim 1, wherein the heat conducting material comprises a flow length dimension that is greater at one portion of the fin assembly than at another portion thereof.
5. A radial flow heat exchanger as set forth in claim 1, wherein the heat conducting material comprises a flow length dimension that is greater at a position in proximity to the manifold than it is at a position in proximity to the hub.
6. A radial flow heat exchanger as set forth in claim 1, wherein the fin assembly comprises means to turbulate any fluid flowing therethrough.
7. A radial flow heat exchanger as set forth in claim 1, wherein the heat conducting material comprise a plurality of adjacently positioned fin strips each having a series of spaced shoulders disposed along its length to register adjacent fin strips.
8. A radial flow heat exchanger as set forth in claim 1, wherein the first tube end has a larger cross-sectional area than the second tube end.
9. A radial flow heat exchanger as set forth in claim 1, wherein the manifold comprises a plurality of interior directional vanes for controlling the distribution of a fluid flow between the manifold and the tubes.
10. A radial flow heat exchanger as set forth in claim 1, wherein the interior portion of the tubes comprise means for turbulating the flow of a fluid flowing therethrough.
11. A radial flow heat exchanger as set forth in claim 1, wherein the heat conducting material comprises a plurality of openings each for receiving a corresponding one of the tubes, and wherein a flow length dimension of the heat conducting material is enlarged adjacent to each of the openings.
12. A radial flow heat exchanger as set forth in claim 1, wherein the spacing between adjacent portions of the spirally arranged heat conducting material varies depending on the radial location of the adjacent portions between the manifold and the hub.
13. A radial flow heat exchanger as set forth in claim 1, wherein an exterior surface of the manifold is generally circular in shape.
14. A radial flow heat exchanger as set forth in claim 1, wherein the tubes are arranged in a plurality of rows.
15. A radial flow heat exchanger, comprising:
a sealed fluid manifold having an interior wall portion;
a sealed fluid hub located interiorly of the interior wall portion of the manifold;
a plurality of spaced fluid flow tubes, each tube having an interior portion and an exterior surface, the interior portion being in sealed fluid communication with the manifold at a first tube end and in sealed fluid communication with the hub at a second tube end; and
a fin assembly positioned between the manifold and the hub, the fin assembly comprising folded wedge sections located between adjacent tubes, the folded wedge sections comprising a plurality of fins arranged at spaced intervals between the hub and the manifold, each folded wedge section being in intimate heat conducting contact with the exterior surface of one or more of the tubes.
16. A radial flow heat exchanger as set forth in claim 15, wherein a cross-section of the folded wedge sections is thicker at one portion of the fin assembly than it is at another portion thereof.
17. A radial flow heat exchanger as set forth in claim 15, wherein a cross-section of the folded wedge sections is thicker at a position in proximity to the manifold than it is at a position in proximity to the hub.
18. A radial flow heat exchanger as set forth in claim 15, wherein the folded wedge sections comprise a flow length dimension that is greater at one portion of the fin assembly than at another portion thereof.
19. A radial flow heat exchanger as set forth in claim 15, wherein the folded wedge sections comprise a flow length dimension that is greater at a position in proximity to the manifold than it is at a position in proximity to the hub.
20. A radial flow heat exchanger as set forth in claim 15, wherein the fin assembly comprises means to turbulate any fluid flowing therethrough.
21. A radial flow heat exchanger as set forth in claim 15, wherein the first tube end has a larger cross-sectional area than the second tube end.
22. A radial flow heat exchanger as set forth in claim 15, wherein the manifold comprises a plurality of interior directional vanes for controlling the distribution of a fluid flow between the manifold and the tubes.
23. A radial flow heat exchanger as set forth in claim 15, wherein the interior portion of the tubes comprise means for turbulating the flow of a fluid flowing therethrough.
24. A radial flow heat exchanger as set forth in claim 15, wherein the folded wedge sections comprise a flow length dimension that is enlarged adjacent to its corresponding one or more of the tubes.
25. A radial flow heat exchanger as set forth in claim 15, wherein the spacing between adjacent portions of the folded wedge sections varies depending on the radial location of the adjacent portions between the manifold and the hub.
26. A radial flow heat exchanger as set forth in claim 15, wherein the exterior surface of each tube is generally rectangular in shape.
27. A radial flow heat exchanger as set forth in claim 15, wherein an exterior surface of the manifold is generally circular in shape.
28. A radial flow heat exchanger as set forth in claim 15, wherein the tubes are arranged in a plurality of rows.
29. A method for manufacturing a radial flow heat exchanger, comprising:
providing a sealed fluid manifold having an interior wall portion;
providing a sealed fluid hub positioned interiorly of the interior wall portion of the manifold;
affixing a plurality of spaced fluid flow tubes in sealed fluid communication with the manifold at a first tube end and in sealed fluid communication with the hub at a second tube end; and
affixing a fin assembly, comprising heat conducting material arranged in a spiral, at a position between the manifold and the hub and in intimate heat conducting contact with an exterior surface of one or more of the tubes.