WO1999061858A1 - Echangeur de chaleur a structure hexagonale a ailettes et procede de fabrication correspondant - Google Patents

Echangeur de chaleur a structure hexagonale a ailettes et procede de fabrication correspondant Download PDF

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Publication number
WO1999061858A1
WO1999061858A1 PCT/US1999/011875 US9911875W WO9961858A1 WO 1999061858 A1 WO1999061858 A1 WO 1999061858A1 US 9911875 W US9911875 W US 9911875W WO 9961858 A1 WO9961858 A1 WO 9961858A1
Authority
WO
WIPO (PCT)
Prior art keywords
tubes
heat exchanger
sheet material
hexagonal
fin structure
Prior art date
Application number
PCT/US1999/011875
Other languages
English (en)
Other versions
WO1999061858A9 (fr
Inventor
Henry Mark
Original Assignee
Engelhard Hexcore, L.P.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Engelhard Hexcore, L.P. filed Critical Engelhard Hexcore, L.P.
Priority to AU42166/99A priority Critical patent/AU4216699A/en
Publication of WO1999061858A1 publication Critical patent/WO1999061858A1/fr
Publication of WO1999061858A9 publication Critical patent/WO1999061858A9/fr

Links

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
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0435—Combination of units extending one behind the other
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0015—Heat and mass exchangers, e.g. with permeable walls
    • 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
    • F28F1/24—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 and extending transversely
    • F28F1/32—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 and extending transversely the means having portions engaging further tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/02—Fastening; Joining by using bonding materials; by embedding elements in particular materials
    • F28F2275/025—Fastening; Joining by using bonding materials; by embedding elements in particular materials by using adhesives

Definitions

  • Heat exchangers are used in many applications, such as automobile radiators as well as for residential and commercial heating, ventilation and air conditioning systems.
  • a heat exchanger includes a plurality of heat exchange tubes which are adapted to carry
  • the heat exchange tubes are typically arranged in a fin structure, and the fins are generally in positive contact with the outside of the
  • a second fluid media to which the heat is to be transferred is passed through the fins to remove heat which is transferred from the first fluid media, through the tubes and into the fin
  • heat exchanger is intended to refer to an energy or mass exchange device as described.
  • the mass flow rate of the first and second fluid media through the heat exchanger can also influence the pressure drop across the depth of the heat exchanger.
  • the present invention provides a heat exchanger having a plurality
  • a fin structure is provided through
  • the fin structure is adapted to receive a flow of a second
  • the fin structure includes a plurality of adjacent
  • the present invention provides a method of forming a heat
  • the method includes:
  • the invention provides a method of forming a heat exchanger
  • the method includes:
  • Fig. 1 is a perspective view, partially cut away at lines X and Z, illustrating a heat
  • Fig. 2a is a cross-sectional view taken along lines 2-2 in Fig. 1 ;
  • Fig. 2b is a cross-sectional view similar to Fig. 2a in which the orientation of the
  • Fig. 3 is a perspective view of a strip of material used for assembling the core
  • Fig. 4 is a perspective view of an unexpanded core block with heat exchanger
  • Fig. 5 is a perspective view, partially broken away, of a piece of expanded core
  • Fig. 6 is a plan view of a multi-row heat exchanger in accordance with the
  • Fig. 7 is a plan view of a multi-row heat exchanger in accordance with the present
  • each row is spaced apart from the adjacent row and includes
  • Fig. 8 is a perspective view of an unexpanded core block similar to Fig. 4 which
  • Fig. 9 is a perspective view similar to Fig. 8 in which the unexpanded core block
  • Fig. 10 is a plan view of a heat exchanger similar to that shown in Fig. 9 in which
  • core block have a profiled contour.
  • FIGs. 1 and 2a there is shown in Figs. 1 and 2a, a heat exchanger 10 in accordance with the present invention.
  • the heat exchanger 10 is intended to refer to a construction that can be used for
  • the heat exchanger 10 includes tubes 12a, 12b, and 12c and a fin structure 14
  • tubes 12a, 12b, and 12c located around the tubes 12a, 12b, and 12c.
  • the tubes 12a, 12b, 12c are seamless drawn copper tubes which are adapted to be mechanically expanded to provide a positive fin/core
  • the tubes Preferably, the tubes,
  • 12a, 12b, and 12c are connected to inlet and outlet manifolds for passing a first fluid medium
  • the tubes may be connected together in series using couplings
  • the tubes 12a, 12b, 12c are preferably circular in cross-
  • the fin structure 14 comprises a
  • the hexagonal channels 16 are formed from
  • spaced apart adhesive lines 20 which are cured to form a core block 22.
  • the adhesive is
  • a heat setting epoxy adhesive preferably a heat setting epoxy adhesive, but can be any other suitable adhesive material, such as
  • a brazing compound or welding Preferably, a plurality of holes 24 are punched through the
  • the layers of sheet material 18 are indexed such that the holes 24 are aligned and
  • the holes 24 are formed with the an oblong
  • a generally circular opening for receiving each of the tubes 12a-c is formed.
  • the holes 24 can be cut, punched, drilled or formed by any other suitable means, such as laser or water jet cutting.
  • the holes 24 may also be of other shapes to conform to other tube
  • the sheet material comprises a metallic material, such as aluminum or
  • the sheet may be any other suitable metallic or non-metallic materials.
  • the sheet may be any other suitable metallic or non-metallic materials.
  • the adhesive lines may be applied by various methods, such as
  • the layers of sheet material 18 are preferably placed
  • the uncured core block 22 may be laid up by other means, such as manually.
  • stacked layers of sheet material 18 are then preferably subjected to heat and/or pressure to
  • adhesive lines 20 such as chemical bonding agents or adhesives, brazing
  • the tubes 12a, 12b, and 12c are placed in
  • the core block 22 is then expanded in the known manner in
  • the holes 24 form openings which conform to the shape of the outside of the tubes 12a, 12b and 12c to provide some contact for heat transfer. If desired, the
  • tubes 12a, 12b, 12c can be expanded as previously noted in order to provide more intimate fin
  • FIG. 5 a partial section of the expanded core is shown in which
  • the hexagonal fin structure 14 has four sides formed from a single layer or thickness of the sheet
  • the coating 26 may be a material useful for the catalysis of pollutants, such as
  • the coating 26 is optional and need not be provided.
  • the coating material is a catalyst such as PREMAIRTM which is available from
  • Engelhard Corporation which acts as a catalyst for converting O 3 to O 2 and/or CO to CO 2 .
  • a hopcalite material or any other suitable catalytic material may be used.
  • coating 26 of catalytic material may be provided on both the hexagonal fin structure 14 and the
  • the coating 26 may also be in the form of a liquid desiccant
  • materials utilized for fabricating the tubes 12a, 12b and 12c as well as the sheets 18 may be any material utilized for fabricating the tubes 12a, 12b and 12c as well as the sheets 18.
  • suitable or desirable material or combination of materials such as cellulose, metals, plastics, and
  • channels 16 having a cross-section which is generally in the form of a
  • hexagonal channels 16 provide a
  • a heat exchanger assembly 50 having multiple rows is
  • Each row comprises a heat exchanger 10', 10" similar to the heat exchanger 10 described
  • the heat exchangers 10', 10" can have different hexagonal passage sizes and core depths,
  • the tubes 12', 12" can be connected together in
  • each row of tubes 12', 12" being surrounded by a fin
  • tubes can be located in the fin structure 14' having channels 16 of reduced size, such as 0.125
  • a second row of tubes 12" can be located in the second fin structure 14" having 0.25
  • a heat exchanger assembly 60 can also be provided which
  • each row comprising a heat exchanger 10', 10", 10'" similar to the
  • the heat exchangers 10', 10", 10'" can have different
  • the sizes of the tubes 12', 12", 12'" can also be varied.
  • Tubes 113 are incorporated into the hexagonal fin
  • tubes 113 have a flattened profile and are incorporated
  • the sheet material 118 utilized to form the core block 122.
  • Adhesive lines may also be
  • the tubes 113 are provided with the final desired profile and
  • the tubes 113 can be provided in a closed configuration such that the tube cross-sectional area
  • the cured core block 122 is then expanded in order to form the hexagonal fin
  • a first fluid media, represented by arrows 131 can be passed
  • the hexagonal fin structure 114 and/or the tubes 113 may be coated
  • the tubes 122 may be connected to inlet and outlet headers (not
  • FIG. 10 a top plan view of a heat exchanger 110' which is
  • the heat exchanger 110' is formed with a
  • sheet material 118' and the tubes 113' are precut or formed to the desired shape prior to being
  • the hexagonal fin structure 114 is maintained in a parallel configuration, generally normal to the flow of the fluid medium 133 through the tubes
  • hexagonal fin structure would include hexagonal cells which,
  • the fin structure 14, 114 is formed from an
  • hexagonal channels made by other means, such as by machining, assembling individually formed channel pieces having a hexagonal cross-section, or any other known
  • the holes 24 for the tubes 12 can be formed by a separate operation.
  • tubes 12a- 12c, 12', 12", 12'" may be varied, and that multiple rows of tubes may be varied.
  • the size of the hexagonal channels 16 may be any size of the hexagonal channels 16.
  • the hexagonal channels 16 are up to 1.0 inch in
  • fluids in the form of liquids or gasses may be passed through the
  • Liquids may also be deposited onto the core or fin structure

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

L'invention porte sur un échangeur (110) de chaleur comprenant une pluralité de tubes (113) et une structure (114) à ailettes à canaux hexagonaux.
PCT/US1999/011875 1998-05-28 1999-05-28 Echangeur de chaleur a structure hexagonale a ailettes et procede de fabrication correspondant WO1999061858A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU42166/99A AU4216699A (en) 1998-05-28 1999-05-28 Heat exchanger with hexagonal fin structure and method of making same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8701498P 1998-05-28 1998-05-28
US60/087,014 1998-05-28

Publications (2)

Publication Number Publication Date
WO1999061858A1 true WO1999061858A1 (fr) 1999-12-02
WO1999061858A9 WO1999061858A9 (fr) 2000-11-02

Family

ID=22202437

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/011875 WO1999061858A1 (fr) 1998-05-28 1999-05-28 Echangeur de chaleur a structure hexagonale a ailettes et procede de fabrication correspondant

Country Status (2)

Country Link
AU (1) AU4216699A (fr)
WO (1) WO1999061858A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005033590A1 (fr) * 2003-10-03 2005-04-14 Johan Siverklev Dispositif d'echange d'humidite entre des flux gazeux
US20130233526A1 (en) * 2010-11-15 2013-09-12 Sustainable Engine Systems Ltd Combined chamber wall and heat exchanger
CN106662342A (zh) * 2014-07-31 2017-05-10 原子能和替代能源委员会 改进的全热交换器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR674845A (fr) * 1928-09-22 1930-02-03 Radiateur pour voitures automobiles et autres applications
US5476140A (en) * 1995-02-21 1995-12-19 Behr Heat Transfer Systems, Inc. Alternately staggered louvered heat exchanger fin
US5727616A (en) * 1995-10-27 1998-03-17 Edentec Elastomeric heat exchanger bed
US5803136A (en) * 1995-09-19 1998-09-08 Gilbarco Inc. Fuel tank ullage pressure reduction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR674845A (fr) * 1928-09-22 1930-02-03 Radiateur pour voitures automobiles et autres applications
US5476140A (en) * 1995-02-21 1995-12-19 Behr Heat Transfer Systems, Inc. Alternately staggered louvered heat exchanger fin
US5803136A (en) * 1995-09-19 1998-09-08 Gilbarco Inc. Fuel tank ullage pressure reduction
US5727616A (en) * 1995-10-27 1998-03-17 Edentec Elastomeric heat exchanger bed

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005033590A1 (fr) * 2003-10-03 2005-04-14 Johan Siverklev Dispositif d'echange d'humidite entre des flux gazeux
US7604689B2 (en) 2003-10-03 2009-10-20 Air To Air Sweden Ab Device for moisture exchange between gas flows
AU2004277574B2 (en) * 2003-10-03 2010-04-29 Air To Air Sweden Ab Device for moisture exchange between gas flows
US20130233526A1 (en) * 2010-11-15 2013-09-12 Sustainable Engine Systems Ltd Combined chamber wall and heat exchanger
US10077944B2 (en) * 2010-11-15 2018-09-18 Hieta Technologies Limited Combined chamber wall and heat exchanger
CN106662342A (zh) * 2014-07-31 2017-05-10 原子能和替代能源委员会 改进的全热交换器
CN106662342B (zh) * 2014-07-31 2019-06-18 原子能和替代能源委员会 改进的全热交换器

Also Published As

Publication number Publication date
WO1999061858A9 (fr) 2000-11-02
AU4216699A (en) 1999-12-13

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