WO2018059443A1 - 用于换热器的换热组件、换热器和模具 - Google Patents

用于换热器的换热组件、换热器和模具 Download PDF

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Publication number
WO2018059443A1
WO2018059443A1 PCT/CN2017/103687 CN2017103687W WO2018059443A1 WO 2018059443 A1 WO2018059443 A1 WO 2018059443A1 CN 2017103687 W CN2017103687 W CN 2017103687W WO 2018059443 A1 WO2018059443 A1 WO 2018059443A1
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WO
WIPO (PCT)
Prior art keywords
heat exchange
heat
heat exchanger
assembly
mold
Prior art date
Application number
PCT/CN2017/103687
Other languages
English (en)
French (fr)
Inventor
张锋
陆向迅
佩尔蒂埃·彼埃尔·奥利弗
Original Assignee
丹佛斯微通道换热器（嘉兴）有限公司
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 丹佛斯微通道换热器（嘉兴）有限公司 filed Critical 丹佛斯微通道换热器（嘉兴）有限公司
Priority to MX2019003477A priority Critical patent/MX2019003477A/es
Priority to US16/333,740 priority patent/US11118839B2/en
Priority to EP17854893.9A priority patent/EP3521744B1/en
Priority to PL17854893.9T priority patent/PL3521744T3/pl
Publication of WO2018059443A1 publication Critical patent/WO2018059443A1/zh

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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
    • F28D1/03—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 plate-like or laminated conduits
    • F28D1/0391—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 plate-like or laminated conduits a single plate being bent to form one or more conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/02—Dies
    • 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
    • F28D1/0477—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 being bent in a serpentine or zig-zag
    • 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
    • F28D1/053—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 straight
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05333—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
    • 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
    • F28F1/14—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 longitudinally
    • 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
    • F28F1/14—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 longitudinally
    • F28F1/16—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 longitudinally the means being integral with the element, e.g. formed by extrusion
    • 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
    • F28F1/14—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 longitudinally
    • F28F1/20—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 longitudinally the means being attachable to the 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
    • 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
    • F28F1/14—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 longitudinally
    • F28F1/22—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 longitudinally 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
    • 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
    • F28F1/34—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 obliquely
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0243—Header boxes having a 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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • 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
    • F28D1/053—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 straight
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05341—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • 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
    • F28F2215/00—Fins
    • F28F2215/08—Fins with openings, e.g. louvers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/14—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/16—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes extruded
    • 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
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0278—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of stacked distribution plates or perforated plates arranged over end plates

Definitions

  • Embodiments of the present invention relate to a heat exchange assembly for a heat exchanger, a heat exchanger including the heat exchange assembly, and a mold for forming the heat exchange assembly.
  • Heat exchangers typically include a heat exchange tube such as a flat tube and wavy fins disposed between the flat tubes.
  • An object of an embodiment of the present invention is to provide a heat exchange assembly for a heat exchanger, a heat exchanger including the heat exchange assembly, and a mold for forming the heat exchange assembly, whereby, for example, Can reduce product costs.
  • Embodiments of the present invention provide a heat exchange assembly for a heat exchanger comprising: a plurality of heat exchange tubes for a heat exchange medium flowing therethrough; and a connection between adjacent heat exchange tubes a sheet; and a heat exchange sheet formed from at least a portion of the web.
  • the connecting piece comprises a body and the heat exchange sheet which are not in the same plane as the body.
  • the heat exchange sheet comprises a louvered heat exchange sheet.
  • the heat exchange sheet comprises a body and a bridge projecting from one side of the body to a side of the body perpendicular to the body, a portion of the periphery of the bridge being separated from the body.
  • the length direction of the heat exchange sheet is substantially perpendicular or at an acute angle to the axial direction of the heat exchange tubes.
  • the plurality of heat exchange tubes and the connecting sheets are integrally formed by extrusion.
  • a heat exchanger comprising the above-described heat exchange assembly for a heat exchanger.
  • the heat exchanger further comprises a header, the heat exchange assembly being at least one heat exchange assembly substantially parallel to the axial direction of the header.
  • the heat exchange component is a multilayer heat exchange component formed by bending a single heat exchange component.
  • the multilayer heat exchange assembly is formed by a single heat exchange assembly being bent in a direction substantially parallel or perpendicular to the axial direction of the heat exchange tubes.
  • the heat exchange component is a multilayer heat exchange component, and the ends of the plurality of heat exchange tubes in the multilayer heat exchanger assembly are respectively inserted into different openings of the header.
  • the heat exchange assembly has a shape of a fold line when viewed in a direction parallel to the axial direction of the heat exchange tubes.
  • the heat exchange assembly has a wavy shape when viewed in a direction perpendicular to the axial direction of the heat exchange tubes.
  • the heat exchange component is a multilayer heat exchange component, and heat exchange tubes of at least two heat exchange components of the heat exchange component are mutually in a direction perpendicular to an axial direction of the heat exchange tube Staggered.
  • the heat exchange component is a multi-layer heat exchange component, and a plurality of heat exchange tubes arranged in a direction substantially perpendicular or at an acute angle to an axial direction of the header in the multilayer heat exchanger assembly The ends are inserted into the same opening of the header.
  • Embodiments of the present invention provide a mold for forming the above-described heat exchange assembly for a heat exchanger, the mold comprising: a first mold for forming a plurality of holes of the heat exchange tubes; a second mold having a cavity for forming a body of the heat exchange assembly, the cavity having an opening, the heat exchange assembly being extruded from an opening of the cavity of the second mold, wherein the opening is strip-shaped, And extending along the curved line.
  • the curved line is a non-closed line.
  • the curved line comprises at least one of at least a portion of a circumference, a helix, and a fold line.
  • a heat exchange assembly for a heat exchanger for a heat exchanger according to an embodiment of the present invention, a heat exchanger including the heat exchange assembly, and a mold for forming the heat exchange assembly, for example, product cost can be reduced.
  • FIG. 1 is a schematic perspective view of a heat exchange assembly for a heat exchanger according to a first embodiment of the present invention
  • FIG. 2 is a schematic perspective view of a heat exchange assembly for a heat exchanger according to a second embodiment of the present invention
  • Figure 3 is a schematic side view of a heat exchange assembly for a heat exchanger in accordance with a third embodiment of the present invention.
  • Figure 4 is a schematic perspective view of a heat exchange assembly for a heat exchanger according to a third embodiment of the present invention.
  • Figure 5 is a schematic side view of a heat exchange assembly for a heat exchanger in accordance with a fourth embodiment of the present invention.
  • Figure 6 is a schematic side view of a heat exchange assembly for a heat exchanger according to a fifth embodiment of the present invention.
  • Figure 7 is a schematic perspective view of a heat exchange assembly for a heat exchanger according to a sixth embodiment of the present invention.
  • Figure 8 is a schematic perspective view of a heat exchanger according to a first embodiment of the present invention.
  • Figure 9 is a schematic perspective view of a heat exchanger according to a second embodiment of the present invention.
  • Figure 10 is a schematic perspective view of an arrangement of a heat exchange assembly of a heat exchanger according to an embodiment of the present invention.
  • FIG. 11 is a schematic perspective view of another arrangement of a heat exchange assembly of a heat exchanger according to an embodiment of the present invention.
  • Figure 12 is a schematic perspective view of a heat exchanger according to a third embodiment of the present invention.
  • Figure 13 is a schematic front view of a mold according to a first embodiment of the present invention.
  • Figure 14 is a schematic front view of a mold in accordance with a second embodiment of the present invention.
  • Figure 15 is a schematic front view of a mold according to a third embodiment of the present invention.
  • Figure 16 is a schematic front view of a mold in accordance with a fourth embodiment of the present invention.
  • a heat exchange assembly 1 for a heat exchanger includes: a plurality of heat exchange tubes 11 for a heat exchange medium flowing therethrough; and is connected to adjacent heat exchange tubes 11 a connecting piece 12; and a heat exchange sheet 121 formed by at least a portion of the connecting piece 12.
  • the plurality of heat exchange tubes 11 and the connecting sheets 12 may be integrally formed by extrusion molding or the like.
  • the tab 12 includes a body 120 and a heat exchange sheet 121 that is not in the same plane as the body 120.
  • the heat exchange sheet 121 includes a louvered heat exchange sheet 121.
  • the ratio of the length of the heat exchange sheet 121 to the width of the connecting sheet 12 ranges from 0.2 to 3.
  • the heat exchange sheet 121 includes a body 120 and a bridge protruding from the body 120 toward one side of the body 120 in a direction perpendicular to the body 120, a portion of the periphery of the bridge being separated from the body 120.
  • the longitudinal direction of the heat exchange fins 121 may be substantially perpendicular or at an acute angle to the axial direction of the heat exchange tubes 11.
  • louver-like heat exchange fins 121 and bridges and the like are not shown in the drawings of some heat exchangers and heat exchange assemblies 1, the heat exchangers and heat exchange assemblies 1 shown in these figures may be provided with heat exchange. Sheet 121 and bridge pieces, etc.
  • the connecting piece 12 of the heat exchange unit 1 is windowed to form a louver-like heat exchange sheet 121 or other processing of the connecting sheet 12, and then the multilayer heat exchange unit 1 is superposed into a plurality of layers.
  • it may be folded into a plurality of layers or otherwise formed into a plurality of layers, and two ends of the heat exchange tubes are coupled to the two or more headers 15.
  • the heat exchange unit 1 can be folded substantially in the longitudinal direction or the width direction.
  • the connecting piece 12 of the heat exchange unit 1 may be formed with a slit or the like. Material can be removed from the tabs 12.
  • the shape of the material to be removed may be strips, blocks, circles, or the like.
  • the heat exchange tubes 11 may be circular, square, rectangular or otherwise shaped. As shown in Figs. 3 and 4, the inner and outer sides of the heat transfer tube 11 may have fins or patterns. As shown in FIG. 5, the heat exchange tubes 11 may be single or multi-channel heat exchange tubes.
  • the heat exchange component 1 can be heat exchanged along the edge.
  • the axial direction of the tube 11 or the bending or twisting perpendicular to the axial direction of the heat transfer tube 11 can also be directly processed into a bent state.
  • the heat exchange unit 1 has a polygonal shape when viewed in a direction parallel to the axial direction of the heat transfer tubes 11; or the heat exchange unit 1 is viewed in a direction perpendicular to the axial direction of the heat transfer tubes. Has a wavy shape. Thereby, the heat exchange area of the heat exchange unit 1 can be increased.
  • the heat exchange tubes 11 of the heat exchange assembly 1 The size, the number of through holes, and the shape may be different, for example, the diameters, cross-sectional shapes, and the like of the respective heat exchange tubes 11 may be different.
  • the size and shape of the connecting sheets 12 between the heat exchange tubes 11 may be different, such as the thickness, length, and the like of the connecting sheets 12.
  • the structure of the louver (louver-shaped heat exchange sheet) on the connecting piece 12 may be different, and the length, angle, pitch, and the like of the window opening (louver-shaped heat exchange sheet) may be different.
  • the hydraulic diameter of the heat exchange tube 11 may range from 0.1 to 5 mm.
  • the thickness of the connecting piece 12 may range from 0.02 to 1 mm, and the width of the connecting piece 12 (distance between two adjacent heat exchange tubes 11) may range from 3 to 30 mm.
  • a heat exchanger according to an embodiment of the present invention is described below.
  • a heat exchanger in accordance with an embodiment of the present invention includes a heat exchange assembly 1.
  • the heat exchanger further includes a header 15 which is at least one heat exchange assembly 1 substantially parallel to the axial direction of the header 15, or a multilayer heat exchange assembly 1
  • Each of the heat exchange assemblies 1 in the multilayer heat exchange assembly 1 is substantially parallel to the axial direction of the header 15.
  • the multilayer heat exchange assembly 1 can be formed by bending a single heat exchange component 1.
  • the multilayer heat exchange unit 1 can be formed by bending a single heat exchange unit in a direction substantially parallel or perpendicular to the axial direction of the heat transfer tubes 11.
  • the heat exchange unit 1 has a polygonal shape when viewed in a direction parallel to the axial direction of the heat exchange tubes 11; or the heat exchange unit 1 It has a wavy shape when viewed in a direction perpendicular to the axial direction of the heat exchange tubes. Thereby, the heat exchange area of the heat exchange unit 1 can be increased.
  • the ends of the plurality of heat exchange tubes 11 in the multilayer heat exchange assembly 1 are respectively inserted into different openings of the header 15.
  • the ends of the plurality of heat exchange tubes 11 arranged in the direction substantially perpendicular or at an acute angle to the axial direction of the header 15 in the multilayer heat exchanging assembly 1 are inserted into the same opening of the header 15. .
  • a plurality of the plurality of heat exchange assemblies 1 in the same direction in the axial direction of the header 15 The end of the heat exchange tube 11 is inserted into the same opening of the header 15.
  • the direction of the wind is substantially perpendicular to the plane in which the web 12 of the web 12 or tab 12 is located.
  • the heat exchanger may comprise a single layer heat exchange component 1 or a multilayer heat exchange component 1.
  • the heat exchanger can be bent along the heat exchange tube 11 to form a plurality of bent portions.
  • the individual heat exchange assemblies 1 can be stacked in multiple layers.
  • the heat exchange components 1 of each layer can be aligned and superimposed.
  • the axes of the corresponding heat exchange tubes 11 of each layer are on the same horizontal plane.
  • the individual heat exchange components 1 can be stacked.
  • the multilayer heat exchange assembly 1 can also be stacked alternately.
  • the heat exchange tubes 11 of at least two layers of the heat exchange assemblies 1 in the heat exchange assembly 1 are offset from each other in a direction perpendicular to the axial direction of the heat transfer tubes 11 to increase the contact of the heat exchange tubes 11 with the air and Promote the disturbance of air, thereby increasing the heat exchange efficiency of the heat exchanger.
  • the axes of the heat exchange tubes 11 of each layer are at different levels.
  • a separate heat exchange assembly 1 can be folded or bent into multiple layers for use.
  • the heat exchange tubes 11 can be kept unchanged when folded, and the length of each layer of the heat exchange components 1 can be the same or different.
  • the heat exchange component 1 can be bent along the heat exchange tube 11 to form a plurality of bent portions, and the plurality of heat exchange tubes 11 at both ends of the heat exchange assembly 1 can be substantially along the axial direction of the header. Orientate and insert the manifold.
  • the heat exchange tubes 11 on the adjacent two-layer heat exchange unit 1 may be aligned or staggered.
  • the wind may be blown up and down or in the fore and aft direction, and the direction of the wind is substantially perpendicular or parallel to the plane in which the web 12 of the web 12 or web 12 is located.
  • each layer of the heat exchange component 1 may have a different structure, the distance between the heat exchange components 1 of each layer, and the heat exchange components 1 of each layer.
  • the number of heat exchange tubes, the diameter of the tubes, the size of the connecting sheets, etc., and the opening windows (louver-shaped heat exchange sheets) on the connecting sheets may be different.
  • the relationship between the distance between the adjacent two-layer heat exchange components 1 (LD) and the distance between the open window (louver-shaped heat exchange fins) on the connecting piece 12 is: 0.2LP ⁇ LD ⁇ 10LP, and the adjacent two layers of heat exchange
  • the relationship between the distance (LD) between the components 1 and the hydraulic diameter (HD) of the heat exchange tubes is: 0.2HD ⁇ LD ⁇ 10HD.
  • the ends of the heat exchange tube can be combined with a single One or more manifold connections.
  • the heat exchange tubes can be individually inserted into the headers, or as shown in Figure 12, several heat exchange tubes are juxtaposed together and inserted into the headers.
  • a mold for forming the heat exchange component 1 according to an embodiment of the present invention is described below.
  • the mold includes: a first mold for forming a plurality of holes 110 of the heat exchange tubes 11 (see Figs. 1 and 2); and a second mold 2 having the second mold 2
  • the cavity 20 has an opening 21 from which the heat exchange assembly 1 is extruded from the opening 21 of the cavity 20 of the second mold 2.
  • the opening 21 is in the form of a strip and extends along a curved line.
  • the curved line can be a non-closed line or a closed line.
  • the curved line may include at least one of a portion of a circumference, a spiral, a fold line, and a zigzag line.
  • the cross section of the extruded heat exchange component in a direction perpendicular to the axis of the heat transfer tube is non-linear, and may be a non-closed curved shape, such as a part of a circle, a spiral shape. , or a part of a polygon, or a zigzag.
  • the extruded heat exchange component can be formed linearly by unfolding or the like. Using this method, small-sized molds can also produce large-size products.
  • a heat exchanger including the heat exchange assembly, heat exchange efficiency, product cost reduction, drainage speed, extended defrost cycle, and reduction can be improved. Refrigerant charge and easy recycling.
  • the heat exchange assembly can be placed horizontally or vertically, and both have good drainage effects.

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Abstract

一种用于换热器的换热组件（1）、一种包括换热组件（1）的换热器和一种用于形成换热组件（1）的模具。换热组件包括：用于换热介质流过的多个换热管（11）；连接在相邻的换热管（11）之间的连接片（12）；以及由连接片（12）的至少一部分形成的换热片（121）。模具包括：第一模具，第一模具用于形成多个换热管（11）的孔（110）；以及第二模具（2），第二模具（2）具有用于形成换热组件（1）的主体的型腔（20），型腔（20）具有开口（21），换热组件（1）从第二模具（2）的型腔（20）的开口（21）挤出，开口（21）呈带状，并且沿弯曲的线延伸。

Description

用于换热器的换热组件、换热器和模具
相关申请的交叉引用
本申请要求于2016年9月28日递交中国专利局的、申请号为201610859225.1的中国专利申请的权益，该申请的全部公开内容以引用方式并入本文。
技术领域
本发明的实施例涉及一种用于换热器的换热组件、一种包括该换热组件的换热器和一种用于形成该换热组件的模具。
背景技术
换热器一般包括诸如扁管的换热管以及设置在扁管之间的波浪形翅片。
发明内容
本发明的实施例的目的是提供一种用于换热器的换热组件、一种包括该换热组件的换热器和一种用于形成该换热组件的模具，由此，例如，可以降低产品成本。
本发明的实施例提供了一种用于换热器的换热组件，换热组件包括：用于换热介质流过的多个换热管；连接在相邻的换热管之间的连接片；以及由连接片的至少一部分形成的换热片。
根据本发明的实施例，所述连接片包括主体以及与主体不在同一平面上的所述换热片。
根据本发明的实施例，所述换热片包括百叶窗状的换热片。
根据本发明的实施例，所述换热片包括主体和从主体向主体的垂直于主体的方向上的一侧突出的桥片，所述桥片的周边的一部分与主体分离。
根据本发明的实施例，所述换热片的长度方向与换热管的轴向方向大致垂直或成锐角。
根据本发明的实施例，多个换热管和连接片通过挤压成型成一体。
根据本发明的实施例，提供了一种换热器，换热器包括上述的用于换热器的换热组件。
根据本发明的实施例，换热器还包括集流管，所述换热组件为至少一层大致与集流管的轴向方向平行的换热组件。
根据本发明的实施例，所述换热组件为多层换热组件，多层换热组件由单个换热组件折弯形成。
根据本发明的实施例，多层换热组件由单个换热组件沿着与换热管的轴向方向大致平行或垂直的方向折弯形成。
根据本发明的实施例，所述换热组件为多层换热组件，多层换热组件中的多个换热管的端部分别插入集流管的不同开口中。
根据本发明的实施例，所述换热组件在与换热管的轴向方向平行的方向观看时具有折线形的形状。
根据本发明的实施例，所述换热组件在与换热管的轴向方向垂直的方向观看时具有波浪形的形状。
根据本发明的实施例，所述换热组件为多层换热组件，所述换热组件中的至少两层换热组件的换热管在与换热管的轴向方向垂直的方向上相互错开。
根据本发明的实施例，所述换热组件为多层换热组件，多层换热组件中的在与集流管的轴向方向大致垂直或成锐角的方向上排列的多个换热管的端部插入集流管的同一开口中。
本发明的实施例提供了一种用于形成上述的用于换热器的换热组件的模具，模具包括：第一模具，该第一模具用于形成多个换热管的孔；以及第二模具，该第二模具具有用于形成换热组件的主体的型腔，所述型腔具有开口，换热组件从第二模具的型腔的开口挤出，其中所述开口呈带状，并且沿弯曲的线延伸。
根据本发明的实施例，弯曲的线是非封闭线。
根据本发明的实施例，所述弯曲的线包括圆周的至少一部分、螺旋线、折线中的至少一种。
通过采用根据本发明的实施例的用于换热器的换热组件、包括该换热组件的换热器和用于形成该换热组件的模具，由此，例如，可以降低产品成本。
附图说明
图1为根据本发明的第一实施例的用于换热器的换热组件的示意立体图；
图2为根据本发明的第二实施例的用于换热器的换热组件的示意立体图；
图3为根据本发明的第三实施例的用于换热器的换热组件的示意侧视图；
图4为根据本发明的第三实施例的用于换热器的换热组件的示意立体图；
图5为根据本发明的第四实施例的用于换热器的换热组件的示意侧视图；
图6为根据本发明的第五实施例的用于换热器的换热组件的示意侧视图；
图7为根据本发明的第六实施例的用于换热器的换热组件的示意立体图；
图8为根据本发明的第一实施例的换热器的示意立体图；
图9为根据本发明的第二实施例的换热器的示意立体图；
图10为根据本发明的实施例的换热器的换热组件的一种设置方式的示意立体图；
图11为根据本发明的实施例的换热器的换热组件的另一种设置方式的示意立体图；
图12为根据本发明的第三实施例的换热器的示意立体图；
图13为根据本发明的第一实施例的模具的示意主视图；
图14为根据本发明的第二实施例的模具的示意主视图；
图15为根据本发明的第三实施例的模具的示意主视图；以及
图16为根据本发明的第四实施例的模具的示意主视图。
具体实施方式
下面结合附图及具体实施方式对本发明做进一步说明。
参见图1至12，根据本发明的实施例的用于换热器的换热组件1包括：用于换热介质流过的多个换热管11；连接在相邻的换热管11之间的连接片12；以及由连接片12的至少一部分形成的换热片121。多个换热管11和连接片12可以通过挤压成型或其它方式成型成一体。
参见图2至4、8、9、12，在本发明的实施例中，连接片12包括主体120以及与主体120不在同一平面上的换热片121。在一个示例中，换热片121包括百叶窗状的换热片121。换热片121的长度与连接片12的宽度的比值范围为0.2～3。在另一个示例中，换热片121包括主体120和从主体120向主体120的垂直于主体120的方向上的一侧突出的桥片，桥片的周边的一部分与主体120分离。换热片121的长度方向可以与换热管11的轴向方向大致垂直或成锐角。尽管一些换热器和换热组件1的附图中没有示出百叶窗状的换热片121和桥片等，但是这些附图所示出的换热器和换热组件1可以设有换热片121和桥片等。
根据本发明的实施例，换热组件1的连接片12进行开窗而形成百叶窗状的换热片121或对连接片12进行其它处理，然后把多层的换热组件1叠加成多层，或折叠成多层或以其它方式形成多层，换热管两端与两根或多根集流管15联接。如图10，图11所示，换热组件1可以大致沿着长度方向或者宽度方向折叠。
根据本发明的实施例，换热组件1的连接片12可以形成有条缝等。可从连接片12去除材料。被去除材料的形状可为条状、块状、圆状等。
在本发明的实施例中，换热管11可以是圆形的、方形的、矩形的或其它形状的。如图3、4所示，换热管11的内侧及外侧皆可有翅片或花纹。如图5所示，换热管11可以是单通道或多通道换热管。
在本发明的实施例中，如图6、7所示，换热组件1可在沿换热 管11的轴线方向或垂直于换热管11的轴线方向折弯或扭弯，也可直接加工成折弯状态。例如，所述换热组件1在与换热管11的轴向方向平行的方向观看时具有折线形的形状；或者所述换热组件1在与换热管的轴向方向垂直的方向观看时具有波浪形的形状。由此可以增加换热组件1的换热面积。
在本发明的实施例中，换热组件1的换热管11的
Figure PCTCN2017103687-appb-000001
尺寸、通孔个数及形状等可以不同，如各个换热管11的直径、截面形状等可以不同。换热管11间的连接片12的尺寸及形状可不同，如连接片12的厚度、长度等可不同。连接片12上的开窗(百叶窗状的换热片)结构等可不同，如开窗(百叶窗状的换热片)的长度、角度、间距等可不同。换热管11的水力直径范围可以为0.1～5mm。连接片12的厚度范围可以为0.02～1mm，连接片12的宽度(两相邻换热管11间的距离)范围可以为3～30mm。
下面描述根据本发明的实施例的换热器。
参见图8至12，根据本发明的实施例的换热器包括换热组件1。参见图8、9、12，换热器还包括集流管15，换热组件1为至少一层大致与集流管15的轴向方向平行的换热组件1，或多层换热组件1，多层换热组件1中的每一层换热组件1大致与集流管15的轴向方向平行。多层换热组件1可以由单个换热组件1折弯形成。如图10、11所示，多层换热组件1可以由单个换热组件沿着与换热管11的轴向方向大致平行或垂直的方向折弯形成。
如图6、7所示，在本发明的实施例中，所述换热组件1在与换热管11的轴向方向平行的方向观看时具有折线形的形状；或者所述换热组件1在与换热管的轴向方向垂直的方向观看时具有波浪形的形状。由此可以增加换热组件1的换热面积。
参见图8、9，在本发明的实施例中，多层换热组件1中的多个换热管11的端部分别插入集流管15的不同开口中。参见图12，多层换热组件1中的在与集流管15的轴向方向大致垂直或成锐角的方向上排列的多个换热管11的端部插入集流管15的同一开口中。例如，多层换热组件1中的在集流管15的轴向方向上处于同一位置的多个 换热管11的端部插入集流管15的同一开口中。
在本发明的实施例中，在一些应用场合下，风的方向大致与连接片12或连接片12的主体120所在的平面垂直。
在本发明的实施例中，换热器可以包括单层换热组件1或多层换热组件1。换热器可以沿换热管11折弯，形成有多个折弯部。参见图8至12，各个独立的换热组件1可叠加成多层。参见图8、12，每层的换热组件1可以对齐叠加。当每层换热组件1垂直放置时，每层的对应换热管11的轴线处于同一水平面上。各个独立的换热组件1可叠加使用。参见图9，多层换热组件1也可以交错叠加。例如，所述换热组件1中的至少两层换热组件1的换热管11在与换热管11的轴向方向垂直的方向上相互错开，以增加换热管11与空气的接触和促进空气的扰动，从而增加换热器的换热效率。当每层换热组件1垂直放置时，每层的换热管11的轴线处于不同水平面上。
在本发明的实施例中，参见图10至11，可以用一个独立的换热组件1折叠成或弯曲成多层使用。如图10所示，折叠时可保持换热管11不变，每层换热组件1的长度可一样或不一样。如图11所示，换热组件1可以沿换热管11折弯，形成有多个折弯部，换热组件1的两端的多个换热管11可以大致沿着集流管的轴向方向排列并插入集流管。相邻的两层换热组件1上的换热管11可以对齐也可以错开。在一些应用场合下，风可以上下方向吹也可以前后方向吹，风的方向大致与连接片12或连接片12的主体120所在的平面大致垂直或者平行。
在本发明的实施例中，采用多层换热组件1的情况下，每层换热组件1可以有不同的结构，各层换热组件1之间的距离，各层换热组件1上的换热管数量，管径，连接片的尺寸等，连接片上的开窗(百叶窗状的换热片)等皆可不同。相邻两层换热组件1间的距离(LD)与连接片12上开窗(百叶窗状的换热片)间距(LP)的关系是：0.2LP≤LD≤10LP，相邻两层换热组件1间的距离(LD)与换热管的水力直径(HD)的关系是：0.2HD≤LD≤10HD。
在本发明的实施例中，参见如8、9、12，换热管的两端可与单 个或多个集流管联接。如图8、9所示，换热管可每根单独插入集流管中，或如图12所示，数根换热管并列在一起，再插入集流管中。
下面描述根据本发明的实施例的用于形成换热组件1的模具。
参见图13至16，模具包括：第一模具，该第一模具用于形成多个换热管11的孔110(参见图1和2)；以及第二模具2，该第二模具2具有用于形成换热组件1的主体的型腔20，型腔20具有开口21，换热组件1从第二模具2的型腔20的开口21挤出。开口21呈带状，并且沿弯曲的线延伸。弯曲的线可以是非封闭线或封闭线。例如，弯曲的线可以包括圆周的至少一部分、螺旋线、折线、之字形线中的至少一种。
如图13至16所示，挤压出的换热组件在垂直于换热管的轴线的方向上的截面是非直线形的，可以是非封闭的曲线形的，例如圆形的一部分、螺旋形的，或多角形的一部分、或之字形的。挤压出的换热组件可以通过展开等方式形成直线状的。使用该方法，小尺寸的模具也可以生产出大尺寸的产品
通过采用根据本发明的实施例的用于换热器的换热组件、包括该换热组件的换热器，可以提高换热效率、降低产品成本、提高排水速度、延长除霜周期、减小冷媒充注量、产品易回收。
包括本发明的实施例的换热组件的换热器，换热组件可水平摆放，也可竖起摆放，皆有良好的排水效果。
尽管描述了上述实施例，但是上述实施例中的一些特征可以进行组合形成新的实施例。

Claims (18)

  1. 一种用于换热器的换热组件，包括：
    用于换热介质流过的多个换热管；
    连接在相邻的换热管之间的连接片；以及
    由连接片的至少一部分形成的换热片。
  2. 根据权利要求1所述的用于换热器的换热组件，其中：
    所述连接片包括主体以及与主体不在同一平面上的所述换热片。
  3. 根据权利要求1所述的用于换热器的换热组件，其中：
    所述换热片包括百叶窗状的换热片。
  4. 根据权利要求1所述的用于换热器的换热组件，其中：
    所述换热片包括主体和从主体向主体的垂直于主体的方向上的一侧突出的桥片，所述桥片的周边的一部分与主体分离。
  5. 根据权利要求1所述的用于换热器的换热组件，其中：
    所述换热片的长度方向与换热管的轴向方向大致垂直或成锐角。
  6. 根据权利要求1所述的用于换热器的换热组件，其中：
    多个换热管和连接片通过挤压成型成一体。
  7. 一种换热器，包括：
    权利要求1所述的用于换热器的换热组件。
  8. 根据权利要求7所述的换热器，还包括：
    集流管，所述换热组件为至少一层大致与集流管的轴向方向平行的换热组件。
  9. 根据权利要求7所述的换热器，其中：
    所述换热组件为多层换热组件，多层换热组件由单个换热组件折弯形成。
  10. 根据权利要求9所述的换热器，其中：
    多层换热组件由单个换热组件沿着与换热管的轴向方向大致平行或垂直的方向折弯形成。
  11. 根据权利要求7所述的换热器，其中：
    所述换热组件为多层换热组件，多层换热组件中的多个换热管的端部分别插入集流管的不同开口中。
  12. 根据权利要求7所述的换热器，其中：
    所述换热组件在与换热管的轴向方向平行的方向观看时具有折线形的形状。
  13. 根据权利要求7所述的换热器，其中：
    所述换热组件在与换热管的轴向方向垂直的方向观看时具有波浪形的形状。
  14. 根据权利要求7所述的换热器，其中：
    所述换热组件为多层换热组件，所述换热组件中的至少两层换热组件的换热管在与换热管的轴向方向垂直的方向上相互错开。
  15. 根据权利要求7所述的换热器，其中：
    所述换热组件为多层换热组件，多层换热组件中的在与集流管的轴向方向大致垂直或成锐角的方向上排列的多个换热管的端部插入集流管的同一开口中。
  16. 一种用于形成权利要求1所述的用于换热器的换热组件的模具，包括：
    第一模具，该第一模具用于形成多个换热管的孔；以及
    第二模具，该第二模具具有用于形成换热组件的主体的型腔，所述型腔具有开口，换热组件从第二模具的型腔的开口挤出，
    其中所述开口呈带状，并且沿弯曲的线延伸。
  17. 根据权利要求16所述的模具，其中：
    弯曲的线是非封闭线。
  18. 根据权利要求16所述的模具，其中：
    所述弯曲的线包括圆周的至少一部分、螺旋线、折线中的至少一种。
PCT/CN2017/103687 2016-09-28 2017-09-27 用于换热器的换热组件、换热器和模具 WO2018059443A1 (zh)

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US16/333,740 US11118839B2 (en) 2016-09-28 2017-09-27 Heat exchange assembly for heat exchanger, heat exchanger, and mold
EP17854893.9A EP3521744B1 (en) 2016-09-28 2017-09-27 Heat exchanger
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