CA2506009A1 - Heat exchangers with turbulizers having convolutions of varied height - Google Patents
Heat exchangers with turbulizers having convolutions of varied height Download PDFInfo
- Publication number
- CA2506009A1 CA2506009A1 CA002506009A CA2506009A CA2506009A1 CA 2506009 A1 CA2506009 A1 CA 2506009A1 CA 002506009 A CA002506009 A CA 002506009A CA 2506009 A CA2506009 A CA 2506009A CA 2506009 A1 CA2506009 A1 CA 2506009A1
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- Prior art keywords
- height
- flow passage
- convolutions
- reduced
- full
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- 239000012530 fluid Substances 0.000 claims abstract 42
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/08—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by varying the cross-section of the flow channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
- F28F3/027—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements with openings, e.g. louvered corrugated fins; Assemblies of corrugated strips
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A heat exchanger comprises at least one tube or plate pair defining a fluid flow passage which is reduced in height across a portion of its width. A turbulizer comprising a plurality of rows of convolutions is received inside the fluid flow passage in either the low pressure drop or high pressure drop orientation. The turbulizer includes convolutions of reduced height in order to at least partially fill the reduced-height portions of the fluid flow passage and thereby reduce bypass flow. In some preferred embodiments of the invention, heat exchanger tubes or plate pairs define fluid flow passages which are reduced in height along their edges, and the turbulizer is similarly reduced in height along its edges.
Claims (34)
1. A heat exchanger comprising:
(a) at least one heat exchange tube defining a hollow fluid flow passage, wherein the flow passage has a height and a width and extends longitudinally along a fluid flow axis, wherein the height of the flow passage varies across its width, wherein the flow passage comprises at least one full-height area in which the height of the flow passage is at a maximum and at least one reduced-height area in which the height of the flow passage is less than the maximum height of the flow passage, and wherein the full-height and reduced-height areas are located adjacent to one another;
(b) a turbulizer received inside the fluid flow passage, wherein the turbulizer comprises a plurality of convolutions arranged in at least one row, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend transverse to the fluid flow axis;
wherein each of the rows includes convolutions of different heights, including at least one full-height convolution positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one reduced-height convolution positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
(a) at least one heat exchange tube defining a hollow fluid flow passage, wherein the flow passage has a height and a width and extends longitudinally along a fluid flow axis, wherein the height of the flow passage varies across its width, wherein the flow passage comprises at least one full-height area in which the height of the flow passage is at a maximum and at least one reduced-height area in which the height of the flow passage is less than the maximum height of the flow passage, and wherein the full-height and reduced-height areas are located adjacent to one another;
(b) a turbulizer received inside the fluid flow passage, wherein the turbulizer comprises a plurality of convolutions arranged in at least one row, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend transverse to the fluid flow axis;
wherein each of the rows includes convolutions of different heights, including at least one full-height convolution positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one reduced-height convolution positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
2. The heat exchanger of claim 1, wherein the flow passage includes one said full-height area located centrally in the flow passage, wherein the flow passage includes two of said reduced-height areas located at opposite edges of the flow passage; and wherein each row of the turbulizer includes at least on a said reduced-height convolution at each of its ends, the reduced-height convolutions being separated by a plurality of said full-height convolutions.
3. The heat exchanger of claim 1, wherein the flow passage includes one of said reduced-height areas located between opposite edges of the flow passage, wherein the flow passage includes two of said full-height areas located adjacent to said reduced-height area; and wherein each row of the turbulizer includes at least on a said reduced-height convolution located between the ends of the row, and a plurality of said full-height convolutions on either side of the at least one reduced-height convolution.
4. The heat exchanger of claim 3, wherein the flow passage further includes a pair of reduced-height areas located at opposite edges of the flow passage, each of which is located adjacent one of the full-height areas; and wherein each row of the turbulizer further includes at least one said reduced-height convolution at each end of the row and adjacent to one of the full-height convolutions.
5. The heat exchanger of claim 1, wherein the top and bottom surface portions of the full-height and reduced-height convolutions are in contact with the plates.
6. The heat exchanger of claim 1, wherein the reduced-height convolutions have a reduced pitch relative to the full-height convolutions.
7. The heat exchanger of claim 1, wherein the turbulizer comprises a plurality of said rows connected in side-by-side parallel relation to one another.
8. The heat exchanger of claim 7, wherein the top surface portions of the convolutions in each row are substantially aligned in the longitudinal direction with the bottom surface portions of the convolutions in an adjacent row.
9. The heat exchanger of claim 1, wherein the heat exchange tube comprises a pair of plates which are joined together at their edges and have spaced-apart central portions, and wherein the fluid flow passage is located between the central portions of the plates.
10. A heat exchanger comprising:
(a) at least one heat exchange tube defining a hollow fluid flow passage, wherein the flow passage has a height and a width and extends longitudinally along a fluid flow axis, wherein the height of the flow passage varies across its width, wherein the flow passage comprises at least on a full-height area in which the height of the flow passage is at a maximum and at least one reduced-height area in which the height of the flow passage is less than the maximum height of the flow passage, and wherein the full-height and reduced-height areas are located adjacent to one another;
(b) a turbulizer received inside the fluid flow passage, wherein the turbulizer comprises a plurality of rows of convolutions, wherein adjacent ones of said rows are connected in side-by-side parallel relation to one another, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend parallel to the fluid flow axis;
wherein at least two adjacent rows are comprised of convolutions of different heights, including at least one row of full-height convolutions positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one row of reduced-height convolutions positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
(a) at least one heat exchange tube defining a hollow fluid flow passage, wherein the flow passage has a height and a width and extends longitudinally along a fluid flow axis, wherein the height of the flow passage varies across its width, wherein the flow passage comprises at least on a full-height area in which the height of the flow passage is at a maximum and at least one reduced-height area in which the height of the flow passage is less than the maximum height of the flow passage, and wherein the full-height and reduced-height areas are located adjacent to one another;
(b) a turbulizer received inside the fluid flow passage, wherein the turbulizer comprises a plurality of rows of convolutions, wherein adjacent ones of said rows are connected in side-by-side parallel relation to one another, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend parallel to the fluid flow axis;
wherein at least two adjacent rows are comprised of convolutions of different heights, including at least one row of full-height convolutions positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one row of reduced-height convolutions positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
11. The heat exchanger of claim 10, wherein all the convolutions of each row are of the same height.
12. The heat exchanger of claim 10, wherein the flow passage includes one said full-height area located centrally in the flow passage, wherein the flow passage includes two of said reduced-height areas located at opposite edges of the flow passage; and wherein the turbulizer comprises at least one row of said reduced-height convolutions along each of its edges, and wherein the rows of said reduced-height convolutions are separated by a plurality of rows of said full-height convolutions.
13. The heat exchanger of claim 10, wherein the flow passage includes one of said reduced-height areas located between opposite edges of the flow passage, wherein the flow passage includes two of said full-height areas located adjacent to said reduced-height area; and wherein the turbulizer includes at least one row of said reduced-height convolutions and includes a plurality of rows of said full-height convolutions on either side of the row of reduced-height convolutions.
14. The heat exchanger of claim 13, wherein the flow passage further includes a pair of reduced-height areas located at opposite edges of the flow passage, each of which is located adjacent one of the full-height areas; and wherein the turbulizer further includes at least one row of said reduced-height convolution along each of its edges and adjacent to one of the full-height areas.
15. The heat exchanger of claim 1, wherein the top and bottom surface portions of the full-height and reduced-height convolutions are in contact with the plates.
16. The heat exchanger of claim 1, wherein the top and bottom surface portions of the full-height convolutions are rounded and the top and bottom surface portions of the reduced-height convolutions are flat.
17. The heat exchanger of claim 10, wherein the top surface portions of the convolutions in each row are longitudinally aligned with the bottom surface portions of the convolutions in an adjacent row.
18. A heat exchanger comprising:
(a) at least one heat exchange tube defining a hollow fluid flow passage, wherein the flow passage has a height and a width and extends longitudinally along a fluid flow axis, wherein the height of the flow passage varies across its width, wherein the flow passage comprises at least one full-height area in which the height of the flow passage is at a maximum and at least one reduced-height area in which the height of the flow passage is less than the maximum height of the flow passage, and wherein the full-height and reduced-height areas are located adjacent to one another;
(b) a turbulizer received inside the fluid flow passage;
wherein each said heat exchange tube comprises an elongate upper plate and an elongate lower plate in sealed engagement with one another;
wherein the upper plate comprises a longitudinally extending central portion and a pair of longitudinally extending edge portions provided along either side of the central portion, the central portion being raised relative to the edge portions;
wherein the lower plate comprises a longitudinally extending central portion located opposite the upper plate; a pair of longitudinally extending edge portions extending from the central portion of the lower plate in a direction toward the upper plate, wherein the edge portions of the lower plate each have a proximal edge joined to the central portion of the lower plate and a distal edge proximate to one of the edge portions of the upper plate; and a pair of locking tabs, each of which extends from the distal edge of one of the lower plate end portions;
wherein the locking tabs of the lower plate are folded into engagement over the edge portions of the upper plate and the plates are sealed together along areas of contact between the locking tabs and the edge portions of the upper plate.
(a) at least one heat exchange tube defining a hollow fluid flow passage, wherein the flow passage has a height and a width and extends longitudinally along a fluid flow axis, wherein the height of the flow passage varies across its width, wherein the flow passage comprises at least one full-height area in which the height of the flow passage is at a maximum and at least one reduced-height area in which the height of the flow passage is less than the maximum height of the flow passage, and wherein the full-height and reduced-height areas are located adjacent to one another;
(b) a turbulizer received inside the fluid flow passage;
wherein each said heat exchange tube comprises an elongate upper plate and an elongate lower plate in sealed engagement with one another;
wherein the upper plate comprises a longitudinally extending central portion and a pair of longitudinally extending edge portions provided along either side of the central portion, the central portion being raised relative to the edge portions;
wherein the lower plate comprises a longitudinally extending central portion located opposite the upper plate; a pair of longitudinally extending edge portions extending from the central portion of the lower plate in a direction toward the upper plate, wherein the edge portions of the lower plate each have a proximal edge joined to the central portion of the lower plate and a distal edge proximate to one of the edge portions of the upper plate; and a pair of locking tabs, each of which extends from the distal edge of one of the lower plate end portions;
wherein the locking tabs of the lower plate are folded into engagement over the edge portions of the upper plate and the plates are sealed together along areas of contact between the locking tabs and the edge portions of the upper plate.
19. The heat exchanger of claim 18, wherein the central portions of the upper and lower plates are substantially flat.
20. The heat exchanger of claim 19, wherein the locking tabs are substantially coplanar with the central portion of the upper plate.
21. The heat exchanger of claim 18, wherein the fluid flow passage comprises one said full-height area located between the central portion of the upper plate and the central portion of the lower plate, and a pair of reduced-height areas located at either side of the full-height area between the edge portions of the upper plate and the central portion of the lower plate.
22. The heat exchanger of claim 18, wherein the edge portions of the upper plate each have a proximal edge joined to the central portion of the lower plate and a distal edge proximate to the distal edge of one of the lower plate edge portions; and wherein the upper plate further comprises a pair of extension members, each of which extends at an angle from the distal edge of one of the upper plate edge portions and is substantially parallel to one of the edge portions of the lower plate, wherein each of the extension members has a free end which is distal to the upper plate edge portion from which it extends, the free end engaging the central portion of the lower plate.
23. The heat exchanger of claim 22, wherein the extension members of the upper plate are in sealed engagement with the lower plate edge portions of the lower plate along their entire length.
24. The heat exchanger of claim 18, wherein the rows of the turbulizer extend transverse to the fluid flow axis;
wherein the turbulizer comprises a plurality of convolutions arranged in at least one row, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend transverse to the fluid flow axis; and wherein each of the rows includes convolutions of different heights, including at least one full-height convolution positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one reduced-height convolution positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
wherein the turbulizer comprises a plurality of convolutions arranged in at least one row, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend transverse to the fluid flow axis; and wherein each of the rows includes convolutions of different heights, including at least one full-height convolution positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one reduced-height convolution positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
25. The heat exchanger of claim 18, wherein the rows of the turbulizer extend parallel to the fluid flow axis;
wherein the turbulizer comprises a plurality of rows of convolutions, wherein adjacent ones of said rows are connected in side-by-side parallel relation to one another, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend parallel to the fluid flow axis;
and wherein at least two adjacent rows are comprised of convolutions of different heights, including at least one row of full-height convolutions positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one row of reduced-height convolutions positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
wherein the turbulizer comprises a plurality of rows of convolutions, wherein adjacent ones of said rows are connected in side-by-side parallel relation to one another, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend parallel to the fluid flow axis;
and wherein at least two adjacent rows are comprised of convolutions of different heights, including at least one row of full-height convolutions positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one row of reduced-height convolutions positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
26. A heat exchanger comprising:
(a) at least one heat exchange tube defining a hollow fluid flow passage and having a top wall, a bottom wall and a pair of side walls, wherein the flow passage has a height and a width and extends longitudinally along a fluid flow axis, wherein the height of the flow passage varies across its width, wherein the flow passage comprises at least one full-height area in which the height of the flow passage is at a maximum and at least one reduced-height area in which the height of the flow passage is less than the maximum height of the flow passage, and wherein the full-height and reduced-height areas are located adjacent to one another;
(b) a turbulizer received inside the fluid flow passage;
wherein each said heat exchange tube comprises a pair of generally U-shaped sections, each having a bight portion and a pair of legs extending from the bight portion, wherein the bight portions form the side walls of the tube and the legs form the top and bottom walls of the tube;
wherein the legs of each U-shaped section have free end portions, each of the end portions of a first one of the U-shaped sections being in sealed engagement with one of the end portions of a second one of the U-shaped sections, such that the top and bottom walls of the tube are each formed by one of the legs of the first U-shaped section and one of the legs of the second U-shaped section.
(a) at least one heat exchange tube defining a hollow fluid flow passage and having a top wall, a bottom wall and a pair of side walls, wherein the flow passage has a height and a width and extends longitudinally along a fluid flow axis, wherein the height of the flow passage varies across its width, wherein the flow passage comprises at least one full-height area in which the height of the flow passage is at a maximum and at least one reduced-height area in which the height of the flow passage is less than the maximum height of the flow passage, and wherein the full-height and reduced-height areas are located adjacent to one another;
(b) a turbulizer received inside the fluid flow passage;
wherein each said heat exchange tube comprises a pair of generally U-shaped sections, each having a bight portion and a pair of legs extending from the bight portion, wherein the bight portions form the side walls of the tube and the legs form the top and bottom walls of the tube;
wherein the legs of each U-shaped section have free end portions, each of the end portions of a first one of the U-shaped sections being in sealed engagement with one of the end portions of a second one of the U-shaped sections, such that the top and bottom walls of the tube are each formed by one of the legs of the first U-shaped section and one of the legs of the second U-shaped section.
27. The heat exchanger of claim 27, wherein the end portions of the U-shaped sections are in overlapping engagement with one another.
28. The heat exchanger of claim 27, wherein the top and bottom walls of the tubes have outer surfaces which are substantially flat and parallel to one another.
29. The heat exchanger of claim 28, wherein the fluid flow passage has one said reduced-height area located between the overlapping end portions of the U-shaped sections and a pair of full height areas, each of which is located between the legs of one of the U-shaped sections.
30. The heat exchanger of claim 29, wherein the overlapping end portions are formed by providing one end portion of each overlapping pair with a longitudinally extending raised shoulder through which it is joined to the remainder of the leg of the U-shaped section.
31. The heat exchanger of claim 28, wherein the bight portions of the U-shaped sections are smoothly curved and wherein an additional one of said reduced-height areas is formed in the fluid flow passage proximate to each of the bight portions.
32. The heat exchanger of claim 26, wherein the two legs of each U-shaped sections are of approximately the same length.
33. The heat exchanger of claim 26, wherein the rows of the turbulizer extend transverse to the fluid flow axis;
wherein the turbulizer comprises a plurality of convolutions arranged in at least one row, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend transverse to the fluid flow axis; and wherein each of the rows includes convolutions of different heights, including at least one full-height convolution positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one reduced-height convolution positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
wherein the turbulizer comprises a plurality of convolutions arranged in at least one row, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend transverse to the fluid flow axis; and wherein each of the rows includes convolutions of different heights, including at least one full-height convolution positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one reduced-height convolution positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
34. The heat exchanger of claim 26, wherein the rows of the turbulizer extend parallel to the fluid flow axis;
wherein the turbulizer comprises a plurality of rows of convolutions, wherein adjacent ones of said rows are connected in side-by-side parallel relation to one another, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend parallel to the fluid flow axis;
and wherein at least two adjacent rows are comprised of convolutions of different heights, including at least one row of full-height convolutions positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one row of reduced-height convolutions positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
wherein the turbulizer comprises a plurality of rows of convolutions, wherein adjacent ones of said rows are connected in side-by-side parallel relation to one another, wherein the convolutions of each said row comprise a series of top surface portions and bottom surface portions interconnected by side portions, and wherein the rows extend parallel to the fluid flow axis;
and wherein at least two adjacent rows are comprised of convolutions of different heights, including at least one row of full-height convolutions positioned in the full-height area of the fluid flow passage and having a height substantially the same as the maximum height of the flow passage, and including at least one row of reduced-height convolutions positioned in the reduced-height area of the fluid flow passage and having a height which is less than the maximum height of the flow passage.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2506009A CA2506009C (en) | 2005-04-29 | 2005-04-29 | Heat exchangers with turbulizers having convolutions of varied height |
| IN4837CHN2007 IN266780B (en) | 2005-04-29 | 2006-04-28 | |
| DE112006001071.9T DE112006001071B4 (en) | 2005-04-29 | 2006-04-28 | Heat exchangers with turbulators with turns of varying heights |
| HU0700774A HUP0700774A2 (en) | 2005-04-29 | 2006-04-28 | Heat exchangers with turbulizers having convolutions of varied height |
| PCT/CA2006/000688 WO2006116857A1 (en) | 2005-04-29 | 2006-04-28 | Heat exchangers with turbulizers having convolutions of varied height |
| GB0720882A GB2439696B8 (en) | 2005-04-29 | 2006-04-28 | Heat exchangers with turbulizers having convolutions of varied height. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2506009A CA2506009C (en) | 2005-04-29 | 2005-04-29 | Heat exchangers with turbulizers having convolutions of varied height |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2506009A1 true CA2506009A1 (en) | 2006-10-29 |
| CA2506009C CA2506009C (en) | 2012-07-10 |
Family
ID=37307559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2506009A Expired - Fee Related CA2506009C (en) | 2005-04-29 | 2005-04-29 | Heat exchangers with turbulizers having convolutions of varied height |
Country Status (6)
| Country | Link |
|---|---|
| CA (1) | CA2506009C (en) |
| DE (1) | DE112006001071B4 (en) |
| GB (1) | GB2439696B8 (en) |
| HU (1) | HUP0700774A2 (en) |
| IN (1) | IN266780B (en) |
| WO (1) | WO2006116857A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009524003A (en) | 2006-01-19 | 2009-06-25 | モーディーン・マニュファクチャリング・カンパニー | Flat tube, flat tube heat exchanger, and method for manufacturing the same |
| US8438728B2 (en) | 2006-01-19 | 2013-05-14 | Modine Manufacturing Company | Flat tube, flat tube heat exchanger, and method of manufacturing same |
| US7921559B2 (en) | 2006-01-19 | 2011-04-12 | Modine Manufacturing Company | Flat tube, flat tube heat exchanger, and method of manufacturing same |
| US8683690B2 (en) | 2006-01-19 | 2014-04-01 | Modine Manufacturing Company | Flat tube, flat tube heat exchanger, and method of manufacturing same |
| US8281489B2 (en) | 2006-01-19 | 2012-10-09 | Modine Manufacturing Company | Flat tube, flat tube heat exchanger, and method of manufacturing same |
| US8434227B2 (en) | 2006-01-19 | 2013-05-07 | Modine Manufacturing Company | Method of forming heat exchanger tubes |
| DE102007004993A1 (en) | 2007-02-01 | 2008-08-07 | Modine Manufacturing Co., Racine | Production process for flat tubes and roller mill |
| DE102010023384B4 (en) | 2010-06-10 | 2014-08-28 | Modine Manufacturing Co. | Manufacturing process, in particular for pipes and tear-off device |
| JP6548324B2 (en) * | 2015-06-30 | 2019-07-24 | 東京ラヂエーター製造株式会社 | Heat exchanger inner fins |
| FR3049644B1 (en) * | 2016-04-01 | 2018-04-13 | Safran Aircraft Engines | AIRBORNE TURBOMACHINE EXIT OUTPUT AUBE, HAVING AN IMPROVED LUBRICANT COOLING FUNCTION USING A THERMAL CONDUCTION MATRIX OCCURRING IN AN INTERIOR PASSAGE OF THE DAWN |
| DE102019113205A1 (en) * | 2019-05-19 | 2020-11-19 | Modine Manufacturing Co. | Use to generate turbulence |
| US11340027B2 (en) | 2019-07-15 | 2022-05-24 | Modine Manufacturing Company | Tube for a heat exchanger, and method of making the same |
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|---|---|---|---|---|
| US35890A (en) | 1862-07-15 | Improved subsoil-plow | ||
| US2566310A (en) * | 1946-01-22 | 1951-09-04 | Hydrocarbon Research Inc | Tray type heat exchanger |
| US3601185A (en) * | 1969-11-04 | 1971-08-24 | United Aircraft Corp | Heat exchanger construction |
| JPS59129392A (en) * | 1983-01-10 | 1984-07-25 | Nippon Denso Co Ltd | Heat exchanger |
| US4805693A (en) * | 1986-11-20 | 1989-02-21 | Modine Manufacturing | Multiple piece tube assembly for use in heat exchangers |
| US5538077A (en) * | 1989-02-24 | 1996-07-23 | Long Manufacturing Ltd. | In tank oil cooler |
| US4945981A (en) * | 1990-01-26 | 1990-08-07 | General Motors Corporation | Oil cooler |
| US5107922A (en) * | 1991-03-01 | 1992-04-28 | Long Manufacturing Ltd. | Optimized offset strip fin for use in contact heat exchangers |
| KR0143540B1 (en) * | 1992-08-27 | 1998-08-01 | 코오노 미찌아끼 | Stacked heat exchanger and method of manufacturing the same |
| AU668403B2 (en) * | 1992-08-31 | 1996-05-02 | Mitsubishi Jukogyo Kabushiki Kaisha | Stacked heat exchanger |
| US5636685A (en) * | 1996-08-16 | 1997-06-10 | General Motors Corporation | Plate and fin oil cooler with improved efficiency |
| US6273183B1 (en) * | 1997-08-29 | 2001-08-14 | Long Manufacturing Ltd. | Heat exchanger turbulizers with interrupted convolutions |
| JP3913897B2 (en) * | 1998-05-06 | 2007-05-09 | カルソニックカンセイ株式会社 | Manufacturing equipment for refrigerant tubes for capacitors |
| US6192977B1 (en) * | 1999-09-29 | 2001-02-27 | Valeo Thermique Moteur | Tube for heat exchanger |
| DE102006016711B4 (en) * | 2006-04-08 | 2016-11-03 | Modine Manufacturing Co. | Flat tube for heat exchanger |
| WO2008011115A2 (en) * | 2006-07-20 | 2008-01-24 | Modine Manufacturing Company | Flat tube for heat exchanger |
-
2005
- 2005-04-29 CA CA2506009A patent/CA2506009C/en not_active Expired - Fee Related
-
2006
- 2006-04-28 GB GB0720882A patent/GB2439696B8/en not_active Expired - Fee Related
- 2006-04-28 WO PCT/CA2006/000688 patent/WO2006116857A1/en active Application Filing
- 2006-04-28 IN IN4837CHN2007 patent/IN266780B/en unknown
- 2006-04-28 DE DE112006001071.9T patent/DE112006001071B4/en not_active Expired - Fee Related
- 2006-04-28 HU HU0700774A patent/HUP0700774A2/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB0720882D0 (en) | 2007-12-05 |
| DE112006001071B4 (en) | 2020-08-27 |
| HUP0700774A2 (en) | 2008-09-29 |
| GB2439696A8 (en) | 2011-01-12 |
| WO2006116857A1 (en) | 2006-11-09 |
| CA2506009C (en) | 2012-07-10 |
| DE112006001071T5 (en) | 2008-03-13 |
| GB2439696A (en) | 2008-01-02 |
| WO2006116857B1 (en) | 2007-04-05 |
| GB2439696B (en) | 2010-09-22 |
| GB2439696B8 (en) | 2011-01-12 |
| IN266780B (en) | 2015-06-01 |
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