US20110139425A1 - Two row bent evaporator - Google Patents
Two row bent evaporator Download PDFInfo
- Publication number
- US20110139425A1 US20110139425A1 US12/637,814 US63781409A US2011139425A1 US 20110139425 A1 US20110139425 A1 US 20110139425A1 US 63781409 A US63781409 A US 63781409A US 2011139425 A1 US2011139425 A1 US 2011139425A1
- Authority
- US
- United States
- Prior art keywords
- leg
- bend
- manifolds
- degrees
- legs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- 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
- F28D1/047—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 the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0475—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 the conduits being bent, e.g. in a serpentine or zig-zag the conduits having a single U-bend
- F28D1/0476—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 the conduits being bent, e.g. in a serpentine or zig-zag the conduits having a single U-bend the conduits having a non-circular cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
-
- 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
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
Definitions
- the subject invention relates to a heat exchanger assembly including a core extending through a bend for greater heat transfer capacity.
- the heat exchanger assemblies to which the subject invention pertains are systems which include overlapping or double flows of working fluid to improve performance while minimizing space requirements.
- the design and manufacture of such a heat exchanger normally includes a first heat exchanger in fluid communication with a second heat exchanger.
- complex and costly communication manifolds are required to establish fluid communication between the first and second heat exchangers while optimally containing the pressures normally occurring in such systems.
- the heat exchanger assembly includes an inlet manifold and an outlet manifold and a core extending between the manifolds for conveying a working fluid from the inlet manifold to the outlet manifold.
- the core extends through a bend to define a first leg between the bend and the inlet manifold and a second leg between the bend and the outlet manifold for arranging the heat exchanger in a U or V shape.
- the invention provides for a bend extending through a circular bend greater than 180 degrees for disposing the legs in converging relationship from the bend towards the manifolds to define an acute angle ⁇ between the legs.
- the heat exchanger assembly can be inclined in both horizontal and vertical airflow systems for increasing the heat transfer while also providing positive drainage toward both manifolds.
- the vertical juxtaposition of the manifolds provides for a common drainage point of the condensate at the manifolds.
- FIG. 1 is a perspective view of the heat exchanger assembly
- FIG. 2 is an edge view of the heat exchanger assembly disposed in a vertical airflow system and illustrating the first and second legs disposed in angular relationship to a reference or horizontal axis X and the inlet and outlet manifolds aligned in juxtaposed relationship along an alignment or vertical axis Y; and
- FIG. 3 is an edge view of the heat exchanger assembly disposed in a horizontal airflow system.
- the invention comprises a heat exchanger assembly 20 generally shown including an inlet manifold 22 and an outlet manifold 24 being cylindrical and extending in spaced and parallel relationship to one another.
- a core 26 extends between the manifolds 22 , 24 for conveying a working fluid from the inlet manifold 22 to the outlet manifold 24 , and includes a plurality of tubes 28 extending in spaced and parallel relationship to one another between the manifolds 22 , 24 .
- the core 26 also includes a plurality of air fins 30 extending back and forth between adjacent ones of the tubes 28 to present a serpentine pattern extending between the adjacent tubes 28 .
- the inlet manifold 22 defines an inlet port 32 for receiving the working fluid
- the outlet manifold 24 defines an outlet port 34 for dispensing the working fluid.
- the core 26 extends through a bend 36 to define a first leg 38 having a first length L 1 between the bend 36 and the inlet manifold 22 and a second leg 40 having a second length L 2 between the bend 36 and the outlet manifold 24 .
- the inlet and outlet manifolds 22 , 24 are aligned on an alignment or vertical axis Y for receiving the flow of air in a transverse direction successively through the second leg 40 and the first leg 38 .
- the bend 36 will be placed at or close to the midpoint of the core 26 between the manifolds 22 , 24 , but the bend 36 may be offset as required.
- the bend 36 extends through a circular bend 36 greater than 180 degrees for disposing the legs 38 , 40 in converging relationship from the bend 36 towards the manifolds 22 , 24 to define an acute angle ⁇ between the legs 38 , 40 .
- the first and second legs 38 , 40 are disposed in angular relationship to a reference or horizontal axis X extending perpendicular to the alignment axis Y to define a first drainage angle ⁇ 1 between the first leg 38 and the reference axis X and a second drainage angle ⁇ 2 between the second leg 40 and the reference axis X for draining condensate along the legs 38 , 40 toward the manifolds 22 , 24 .
- the acute angle ⁇ between the legs 38 , 40 is equal to the difference between the drainage angles ( ⁇ 2 - ⁇ 1 ).
- the heat exchanger assembly 20 can accommodate the needs of both vertical and horizontal airflow systems while positioning the inlet and outlet manifolds 22 , 24 close together to facilitate simple system plumbing and condensate drainage from the manifolds 22 , 24 .
- the second drainage angle ⁇ 2 is equal to or greater than 10 degrees and the first drainage angle ⁇ 1 is equal to or greater than 20 degrees and the acute angle ⁇ is equal to or greater than 10 degrees for improving condensate drainage along the tubes 28 toward the manifolds 22 , 24 .
- the first length L 1 of the first leg 38 is less than the second length L 2 of the second leg 40 for aligning the manifolds 22 , 24 in juxtaposed relationship along the alignment axis Y for establishing a common draining point of the condensate at the juxtaposed manifolds 22 , 24 .
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A core (26) extends through a circular bend (28) greater than 180 degrees to define a first leg (30) between the bend (28) and an inlet manifold (22) and a second leg (32) between the bend (28) and an outlet manifold (24). The legs (30, 32) are disposed in converging relationship from the bend (28) towards the manifolds (22, 24) to define an acute angle (α) between the legs (30, 32). The manifolds (22, 24) are aligned in juxtaposed relationship along an alignment axis (Y) and the legs (30, 32) are disposed in angular relationship to a reference axis (X) to define first and second drainage angles (Θ1, Θ2) between the corresponding legs (30, 32) and the reference axis (X). The second drainage angle (Θ2) is >10 degrees and the first drainage angle is (Θ1)>20 degrees and the acute angle (α) is >10 degrees for draining condensate along the legs (30, 32) toward the juxtaposed manifolds (22, 24) to establish a common drainage point of the condensate.
Description
- 1. Field of the Invention
- The subject invention relates to a heat exchanger assembly including a core extending through a bend for greater heat transfer capacity.
- 2. Description of the Prior Art
- The heat exchanger assemblies to which the subject invention pertains are systems which include overlapping or double flows of working fluid to improve performance while minimizing space requirements. The design and manufacture of such a heat exchanger normally includes a first heat exchanger in fluid communication with a second heat exchanger. However, complex and costly communication manifolds are required to establish fluid communication between the first and second heat exchangers while optimally containing the pressures normally occurring in such systems. As a result, it is common to bend the core of a heat exchanger to provide the functionality of a heat exchanger with overlapping or double flows of working fluid while eliminating the complexity and cost limitations of conventional communication manifolds.
- One such heat exchanger assembly is disclosed in U.S. Pat. No. 5,341,870 to Hughes, et al, wherein the heat exchanger assembly includes an inlet manifold and an outlet manifold and a core extending between the manifolds for conveying a working fluid from the inlet manifold to the outlet manifold. The core extends through a bend to define a first leg between the bend and the inlet manifold and a second leg between the bend and the outlet manifold for arranging the heat exchanger in a U or V shape.
- Although the prior art heat exchangers are able to establish overlapping or double flows of working fluid without the use of conventional communication manifolds, there remains a need for a heat exchanger design which improves condensate drainage.
- The invention provides for a bend extending through a circular bend greater than 180 degrees for disposing the legs in converging relationship from the bend towards the manifolds to define an acute angle α between the legs.
- One advantage of the invention is that the heat exchanger assembly can be inclined in both horizontal and vertical airflow systems for increasing the heat transfer while also providing positive drainage toward both manifolds. In addition, the vertical juxtaposition of the manifolds provides for a common drainage point of the condensate at the manifolds.
- Other advantages of the present invention will be readily appreciated, as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings wherein:
-
FIG. 1 is a perspective view of the heat exchanger assembly; -
FIG. 2 is an edge view of the heat exchanger assembly disposed in a vertical airflow system and illustrating the first and second legs disposed in angular relationship to a reference or horizontal axis X and the inlet and outlet manifolds aligned in juxtaposed relationship along an alignment or vertical axis Y; and -
FIG. 3 is an edge view of the heat exchanger assembly disposed in a horizontal airflow system. - Referring to the Figures, wherein like numerals indicate corresponding parts throughout the several views, the invention comprises a
heat exchanger assembly 20 generally shown including aninlet manifold 22 and anoutlet manifold 24 being cylindrical and extending in spaced and parallel relationship to one another. Acore 26 extends between themanifolds inlet manifold 22 to theoutlet manifold 24, and includes a plurality oftubes 28 extending in spaced and parallel relationship to one another between themanifolds core 26 also includes a plurality of air fins 30 extending back and forth between adjacent ones of thetubes 28 to present a serpentine pattern extending between theadjacent tubes 28. Theinlet manifold 22 defines aninlet port 32 for receiving the working fluid, and theoutlet manifold 24 defines anoutlet port 34 for dispensing the working fluid. - The
core 26 extends through abend 36 to define afirst leg 38 having a first length L1 between thebend 36 and theinlet manifold 22 and asecond leg 40 having a second length L2 between thebend 36 and theoutlet manifold 24. As shown inFIGS. 2 and 3 , the inlet and outlet manifolds 22, 24 are aligned on an alignment or vertical axis Y for receiving the flow of air in a transverse direction successively through thesecond leg 40 and thefirst leg 38. Typically thebend 36 will be placed at or close to the midpoint of thecore 26 between themanifolds bend 36 may be offset as required. In the preferred embodiment, thebend 36 extends through acircular bend 36 greater than 180 degrees for disposing thelegs bend 36 towards themanifolds legs - As shown in
FIGS. 2 and 3 , the first andsecond legs first leg 38 and the reference axis X and a second drainage angle Θ2 between thesecond leg 40 and the reference axis X for draining condensate along thelegs manifolds legs FIGS. 2 and 3 , theheat exchanger assembly 20 can accommodate the needs of both vertical and horizontal airflow systems while positioning the inlet andoutlet manifolds manifolds - In the preferred embodiment, the second drainage angle Θ2 is equal to or greater than 10 degrees and the first drainage angle Θ1 is equal to or greater than 20 degrees and the acute angle α is equal to or greater than 10 degrees for improving condensate drainage along the
tubes 28 toward themanifolds first leg 38 is less than the second length L2 of thesecond leg 40 for aligning themanifolds juxtaposed manifolds - While the invention has been described with reference to an exemplary embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing form the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A heat exchanger assembly comprising;
an inlet manifold and an outlet manifold,
a core extending between said manifolds for conveying a working fluid from said inlet manifold to said outlet manifold,
said core extending through a bend to define a first leg between said bend and said inlet manifold and a second leg between said bend and said outlet manifold, and
said bend extending through a circular bend greater than 180 degrees for disposing said legs in converging relationship from said bend towards said manifolds to define an acute angle α between said legs.
2. An assembly as set forth in claim 1 wherein said inlet and outlet manifolds are aligned on an alignment axis Y for receiving the flow of air in a transverse direction successively through said second leg and said first leg.
3. An assembly as set forth in claim 2 wherein said first and second legs are disposed in angular relationship to a reference axis X extending perpendicular to said alignment axis Y to define a first drainage angle Θ1 between said first leg and said reference axis X and a second drainage angle Θ2 between said second leg and reference axis X and said acute angle α is equal to the difference between said drainage angles (Θ2-Θ1) for draining condensate along said legs toward said manifolds.
4. An assembly as set forth in claim 3 wherein said first leg has a first length L1 between said bend and said inlet manifold and said second leg has a second length L2 between said bend and said outlet manifold and said first length L1 is less than said second length L2 for aligning said manifolds in juxtaposed relationship along said alignment axis Y for establishing a common draining point of said condensate at said juxtaposed manifolds.
5. An assembly as set forth in claim 4 wherein said second drainage angle Θ2 is equal to or greater than 10 degrees and said first drainage angle Θ1 is equal to or greater than 20 degrees and said acute angle α is equal to or greater than 10 degrees.
6. A heat exchanger assembly comprising;
an inlet manifold and an outlet manifold being cylindrical and extending in spaced and parallel relationship to one another,
a core extending between said manifolds for conveying a working fluid from said inlet manifold to said outlet manifold,
said core including a plurality of tubes extending in spaced and parallel relationship to one another between said manifolds,
said core including a plurality of air fins extending back and forth between adjacent ones of said tubes to present a serpentine pattern extending between said adjacent tubes,
said inlet manifold defining an inlet port for receiving the working fluid,
said outlet manifold defining an outlet port for dispensing the working fluid,
said core extending through a bend to define a first leg having a first length L1 between said bend and said inlet manifold and a second leg having a second length L2 between said bend and said outlet manifold,
said first and second manifolds being aligned on an alignment axis Y for receiving the flow of air in a transverse direction successively through said second leg and said first leg,
said first and second legs being disposed in angular relationship to a reference axis X extending perpendicular to said alignment axis Y to define a first drainage angle Θ1 between said first leg and said reference axis X and a second drainage angle Θ2 between said second leg and said reference axis X, and
said bend extending through a circular bend greater than 180 degrees for disposing said legs in converging relationship from said bend towards said manifolds to define an acute angle α between said legs equal to the difference between said drainage angles (Θ2-Θ1),
said first length L1 of said first leg being less than said second length L2 of said second leg for aligning said manifolds in juxtaposed relationship along said alignment axis Y for establishing a common draining point of said condensate at said juxtaposed manifolds,
said second drainage angle Θ2 being equal to or greater than 10 degrees and said first drainage angle Θ1 being equal to or greater than 20 degrees and said acute angle α being equal to or greater than 10 degrees for draining condensate along said tubes toward said manifolds.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/637,814 US20110139425A1 (en) | 2009-12-15 | 2009-12-15 | Two row bent evaporator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/637,814 US20110139425A1 (en) | 2009-12-15 | 2009-12-15 | Two row bent evaporator |
Publications (1)
Publication Number | Publication Date |
---|---|
US20110139425A1 true US20110139425A1 (en) | 2011-06-16 |
Family
ID=44141628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/637,814 Abandoned US20110139425A1 (en) | 2009-12-15 | 2009-12-15 | Two row bent evaporator |
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140007600A1 (en) * | 2012-07-09 | 2014-01-09 | Mark W. Johnson | Evaporator, and method of conditioning air |
US20140060778A1 (en) * | 2012-05-18 | 2014-03-06 | Modine Manufacturing Company | Heat exchanger, and method for transferring heat |
US20150096311A1 (en) * | 2012-05-18 | 2015-04-09 | Modine Manufacturing Company | Heat exchanger, and method for transferring heat |
JP2015169358A (en) * | 2014-03-06 | 2015-09-28 | パナソニックIpマネジメント株式会社 | heat exchanger |
US20150323229A1 (en) * | 2014-05-09 | 2015-11-12 | Samwon Industrial Co., Ltd. | Condenser for refrigerator |
JP2015224844A (en) * | 2014-05-29 | 2015-12-14 | パナソニックIpマネジメント株式会社 | Heat exchanger |
EP2985546A3 (en) * | 2014-08-13 | 2016-06-29 | Mefa Befestigungs- und Montagesysteme GmbH | Heat transfer element; arrangement of a heat exchanging element for the production of an energy storage device |
WO2017064531A1 (en) * | 2015-10-12 | 2017-04-20 | Carrier Corporation | Heat exchanger for residential hvac applications |
USD787033S1 (en) * | 2015-12-24 | 2017-05-16 | Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd. | Heat exchanger |
WO2017107490A1 (en) * | 2015-12-24 | 2017-06-29 | 丹佛斯微通道换热器(嘉兴)有限公司 | Heat exchanger and air conditioning system |
US20170343288A1 (en) * | 2014-11-17 | 2017-11-30 | Carrier Corporation | Multi-pass and multi-slab folded microchannel heat exchanger |
USD844763S1 (en) * | 2016-07-05 | 2019-04-02 | Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd. | Heat exchanger |
US10317141B2 (en) * | 2014-11-25 | 2019-06-11 | Hydro Extruded Solutions As | Multi port extrusion tubing design |
US10584921B2 (en) * | 2014-03-28 | 2020-03-10 | Modine Manufacturing Company | Heat exchanger and method of making the same |
USD907752S1 (en) | 2016-08-26 | 2021-01-12 | Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd. | Heat exchanger |
US20210381730A1 (en) * | 2020-06-09 | 2021-12-09 | Mahle International Gmbh | Heat exchanger |
US11592222B2 (en) * | 2017-09-19 | 2023-02-28 | Lg Electronics Inc. | Condenser for refrigerator |
US11656011B2 (en) | 2019-01-22 | 2023-05-23 | Hitachi Energy Switzerland Ag | Condenser |
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US20150323229A1 (en) * | 2014-05-09 | 2015-11-12 | Samwon Industrial Co., Ltd. | Condenser for refrigerator |
JP2015224844A (en) * | 2014-05-29 | 2015-12-14 | パナソニックIpマネジメント株式会社 | Heat exchanger |
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US10317141B2 (en) * | 2014-11-25 | 2019-06-11 | Hydro Extruded Solutions As | Multi port extrusion tubing design |
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US20210381730A1 (en) * | 2020-06-09 | 2021-12-09 | Mahle International Gmbh | Heat exchanger |
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AS | Assignment |
Owner name: DELPHI TECHNOLOGIES, INC., MICHIGAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BEAMER, HENRY E.;REEL/FRAME:023904/0640 Effective date: 20100120 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |