WO2020005076A1 - Perfectionnements apportés à un échange de chaleur - Google Patents

Perfectionnements apportés à un échange de chaleur Download PDF

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Publication number
WO2020005076A1
WO2020005076A1 PCT/NZ2019/050074 NZ2019050074W WO2020005076A1 WO 2020005076 A1 WO2020005076 A1 WO 2020005076A1 NZ 2019050074 W NZ2019050074 W NZ 2019050074W WO 2020005076 A1 WO2020005076 A1 WO 2020005076A1
Authority
WO
WIPO (PCT)
Prior art keywords
conduits
air
conduit
heat exchanger
building
Prior art date
Application number
PCT/NZ2019/050074
Other languages
English (en)
Inventor
Grace COULTER
Original Assignee
Solarjoule Ip Holdings
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 Solarjoule Ip Holdings filed Critical Solarjoule Ip Holdings
Priority to EP19740087.2A priority Critical patent/EP3814712A1/fr
Priority to AU2019292498A priority patent/AU2019292498A1/en
Priority to US17/251,811 priority patent/US20210325076A1/en
Priority to CA3108069A priority patent/CA3108069A1/fr
Publication of WO2020005076A1 publication Critical patent/WO2020005076A1/fr

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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
    • F28D1/0246—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 heat-exchange elements having several adjacent conduits forming a whole, e.g. blocks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F24F1/0323—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F24F1/0325—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/18—Heat exchangers specially adapted for separate outdoor units characterised by their shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • 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
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
    • 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
    • F28D5/00—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, using the cooling effect of natural or forced evaporation
    • F28D5/02—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, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/0008—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium
    • F28D7/0025—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium the conduits for one medium or the conduits for both media being flat tubes or arrays of tubes
    • F28D7/0033—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium the conduits for one medium or the conduits for both media being flat tubes or arrays of tubes the conduits for one medium or the conduits for both media being bent
    • 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
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
    • 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
    • F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
    • F28F1/045—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular with assemblies of stacked 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
    • F28F1/14—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
    • F28F1/16—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
    • F28F1/18—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 the element being built-up from finned sections
    • 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
    • F28F1/40—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
    • 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
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/422—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element with outside means integral with the tubular element and inside means integral with 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
    • F28F7/00—Elements not covered by group F28F1/00, F28F3/00 or F28F5/00
    • F28F7/02—Blocks traversed by passages for heat-exchange media
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
    • F28D2021/007—Condensers
    • 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
    • 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
    • F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • 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
    • F28F2215/10—Secondary fins, e.g. projections or recesses on main fins
    • 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
    • F28F2275/00—Fastening; Joining
    • F28F2275/08—Fastening; Joining by clamping or clipping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56—Heat recovery units

Definitions

  • the invention generally relates to apparatuses and systems that use a means of heat exchange, including a wall or inline heater, an evaporative cooler or an air conditioner.
  • Japanese patent No 2003-161534 discloses helical protrusions spiralling longitudinally along the inside wall of a pipe and offers an alternative solution of a helical ribbon inside a tube without protrusions.
  • Japanese patent No 2003-161534 also teaches a grouping of hexagonal conduits to store heat.
  • WO 1985-000212 also teaches a grouping of hexagonal conduits for heat storage.
  • Another embodiment of heat exchange is disclosed by FR2435674 (Desmonts) that includes a recess snaking of a mold allowing the introduction and circulation of a heat transfer fluid.
  • PCT/NZ2013/000185 by the present inventor describes an air conditioning system that draws solar heated air into the building in winter, or alternatively extracts stale air in summer using thermal syphoning boosted by a fan. It comprises conduits with one or more protrusions on the inside periphery of the conduits parallel with the conduit and/or a helical fin extending in a longitudinal direction along the conduits.
  • conduits may be prismatic or at least one pair of parallel sides, where the connectivity of the individual cells of a prismatic geometric shape improves heat transfer compared with reduced points of contact between cells in a rounded surface for example.
  • a prismatic geometric block rapid heat exchange can take place between conduits using a heat transfer material.
  • Hexagonal conduits allow for complete connectivity between conduits without gaps which is very suitable for heat storage.
  • octagonal conduits are advantageous because they create a void between conduits in which a heat exchange medium can be contained fluidly unconnected to the inside of the conduits.
  • These voids can include fins to transfer heat from the medium to the conduits or be shaped in such a way as to maximize contact with the medium.
  • the number and size of prismatic conduits are scalable to suit specific flow volumes of a fluid or its heat exchange medium.
  • One or more conduits can be manufactured together or they can be manufactured individually or so that they interlock.
  • prismatic conduits form a block or a single row or whether some of the sides are rounded will depend on the application and the type of heat exchange available.
  • a prismatic block may be a more efficient means of transferring heat where a fluid is passing through a heat exchanger via a primary duct or channel i.e. an inline application.
  • a single row of prismatic conduits may be preferable such as, for example, a wall heater to minimize intruding into a living space.
  • the heat exchange medium may be on one or more sides of the block or row of prismatic conduits.
  • the heat exchange medium may radiate heat from within the block or row of prismatic conduits.
  • the heat exchange medium can for example be etched foil electric heating elements, oil, water, refrigerant in an absorption cycle or other means of heating/cooling.
  • these conduits it is also the objective of this patent to optimize heat exchange to the fluid flowing within one or more prismatic conduits. Therefore, it is preferable for these conduits to comprise protrusions extending longitudinally along the inside periphery wall of one or more conduits. These protrusions function to increase the heated area of the periphery wall. They may be in parallel with the conduit or follow a helical trajectory depending on manufacturing techniques available.
  • protrusions it is preferable to terminate the protrusions such that they outline a cylindrical shaped void within the conduits and that the protrusions are perpendicular to a tangent to the cylindrical shaped void such that the ends of the protrusions are generally evenly spaced. This is especially important with prismatic conduits to avoid uneven and restricted spaces between protrusions.
  • one or more conduits also include a rippled helical ribbon
  • a fluid is allowed to circulate unimpeded along the conduit resulting in a smoother helical fluid trajectory. This helical trajectory through the cylindrical void minimizes flow interruptions which would otherwise occur around the sharper inner angles of a prismatic conduit.
  • the helical trajectory provided by the rippled helical fin also functions to lengthen the flow path while causing minimum hindrance to flow rate as well as to mix a fluid, thus preventing laminar flow. Further, the helical trajectory maximizes turbulence at the terminals of the protrusions for optimum heat extraction which is another reason why it is preferable for the protrusions to be equally spaced at their ends.
  • the ripples or corrugations in the helix themselves provide further turbulence and mixing.
  • a cylindrical void enables the rippled helical fin to be more easily inserted longitudinally along the inside of the conduit and rotated into position by means of a tab for example.
  • the rippled helical ribbon itself may be a heating element to increase the rate of heating over a certain distance. It could comprise, for example, an etched foil heating element.
  • the material of the block or row of prismatic conduits has high thermal conductivity such that rapid heat exchange can take place between conduits.
  • Aluminium is one such material which can also be easily extruded as one or more cell at a relatively low cost.
  • a heat exchange medium may be on one or more sides of a block of hexagonal prismatic conduits.
  • the joint between copper and aluminium is vulnerable to corrosion since two dissimilar metals (copper and aluminium) are brought together into electrical contact with moisture.
  • One of the metals in the couple becomes the anode, in this case the aluminium fins, and corrodes faster than it would all by itself, while the other becomes the cathode and corrodes slower than it would alone.
  • the cathode is the copper tube.
  • the joint between copper and aluminium becomes a copper aluminium oxide joint which has significantly lower heat conductivity than aluminium itself.
  • fins provide twice the heat transfer on any coil compared with the coil. So a reduced heat transfer from corrosion at the aluminium collar would significantly reduce efficiency over time.
  • the design of very closely packed fins makes it difficult to clean off this pollution from the fins or the copper tube.
  • the fins are very thin and so easily damaged during maintenance which leads to further reductions in efficiency.
  • a pipe is twisted to form continuous bends.
  • This design is more suited to an evaporator unit for example.
  • an evaporator heat exchanger comprises a series of adjacent pipes that extend along the length of the evaporator with bends at the end to link them together. Often these are incorporated into fins.
  • long lengths of pipe followed by sharp bends can cause large pressure drops such that the fluid loses momentum. This can be likened to a car picking up speed along a long straight road followed by a sharp bend.
  • Fins contribute a large proportion of heat transfer in air conditioning units so it is essential that the pipes in an evaporator are designed in such a way as to compensate for the lack of fins.
  • the embodiment of heat exchange of conduits with at least two parallel flat sides is applicable for other apparatus such as a wall or inline heater wherein the prismatic conduit is also more suitable.
  • other embodiments of heat exchange include a conduit with flattened opposite sides like an octagonal conduit but with a rounded conduit on the other sides for an indirect evaporative cooler for example.
  • Evaporative coolers are designed to cool air through the evaporation of water. Generally, evaporative coolers are cheaper to run than heat pumps and so are very attractive in hot climates. There are two types - direct and indirect. With direct evaporative coolers, supply air flow is in direct contact with a wet surface. The problem with direct evaporative cooling is that air needs to be sufficiently dehumidified and then humidified again in order to cool. Without the dehumidifying process, the outdoor relative humidity level needs to be below 30%.
  • Indirect evaporative coolers exchange cooling with one or more 'wet' channels which are cooled by evaporation exchanging cooling with one or more 'dry' channels.
  • the 'wet' and 'dry' channels are fluidly unconnected.
  • Generally indirect evaporative coolers comprise thin parallel heat exchange plates with alternating wet and dry channels.
  • the Maisotsenko Cycle achieves the objective of indirect evaporation by a different means. It drives a proportion of the air flow from the 'dry' side through small holes to contribute to evaporation and cooling on the 'wet' side. Due to positive pressure applied to the 'dry' side, the air flow into the building is not humidified.
  • the extent of cooling achieved depends largely on relative humidity in the air. In order to enable evaporative cooling to have greater geographical reach, there needs to be an efficient dehumidifying process prior to evaporative cooling.
  • the ideal heat to dry air is between 60 and 80 degrees with the resulting relative humidity of this air being preferably under 30%.
  • This range can be achieved by heating air prior to entering the evaporative cooler in an effort to extend the geographical reach of evaporative cooling.
  • Solar air collectors connected to the air supply of the indirect evaporative cooler is one way to dehumidifies air with heat prior to supplying the indirect evaporative cooler. They can provide the ideal heat of 60+C to dry air.
  • the current patent puts forward a system and a compact means of efficiently transferring heating or cooling to air flow, that reduces the required fan pressure to drive the air through, and can have greater geographical reach.
  • a row of conduits comprise a conduit with at least two flat parallel sides in contact with another conduit
  • conduits comprise one or more protrusions extending longitudinally on the inside surface of the one or more conduits
  • the length and/or spacing of the protrusions optimize heat transfer to a fluid.
  • the one or more protrusions on the inside surface of the conduit radiate to the centre of the conduit
  • the ends of the protrusions outline a cylindrical shaped void
  • the one or more protrusions are perpendicular to a tangent to the cylindrical shaped void such that the ends of the protrusions are generally evenly spaced
  • conduits comprise a rippled helical ribbon extending longitudinally inside the one or more prismatic conduits.
  • rippled helical ribbon is removable
  • the rippled helical ribbon includes tabs that lock it into positon between the protrusions
  • the rippled helical ribbon comprises a heating element
  • conduits comprise a heat source in close proximity and/or in contact with the conduits to encourage an even distribution of heat to all parts of the prismatic block
  • a block of conduits comprises a void between conduits comprising a heating element or pipe for a heat exchange medium in close proximity and/or in contact with the conduits
  • the void created between the conduits with parallel flat sides comprises fins to transfer heat from the medium to the conduits
  • the void between conduits is shaped in such a way as to maximize contact with the medium.
  • a row of conduits comprises heating on one or more sides of the outside perimeter and in close proximity and/or in contact with the prismatic conduits
  • Figure 1 discloses a perspective view of an example of a heat exchanger 23 comprising two rows 2 of conduits 1 that form a block.
  • Protrusions 3 extend longitudinally along the inside periphery of conduits 1.
  • the outer perimeter comprises flat face 4 which enables improved proximity and/or points of contact with other octagon cells thereby improving heat exchange.
  • a block of octagonal conduits as compared to other prismatic conduits in certain applications is that the outer perimeter is spatially compact when accommodated in a square or rectangular insulating cover. Furthermore, it provides a flat surface if the source of heating is along one or more sides of a block of conduits. Also, in the case of a block of conduits that are octagonal, void 8 is formed by adjoining conduits.
  • void 8 comprises a heat transfer medium 61. If the material chosen has high thermal conductivity, then heating can evenly radiate to all octagonal faces 4 within the block of octagonal conduits.
  • the means 5 within void 8 that transfers heat from the medium to the conduits can vary according to the form of heat exchange. It may form a solid surface around the heat source or it may comprise fins extending towards the heat source. Preferable heat transfer means 5 maximizes contact between conduits 1 and the heat exchange medium in order to optimize heat exchange.
  • void 8 contains a copper pipe and the extrusion is aluminium, for example, it would be preferable for the pipe to be in contact with the extrusion to maximize heat transfer. This however can cause problems due to unlike metals and corrosion.
  • One possible solution can be, for example, to encase the pipe in two layers of graphene which can prevent this.
  • Screw port 6 is an example of a way to fasten one or more blocks of prismatic conduits to an end plate, but methods could also include, for example, male and female locking devices between blocks of prismatic conduits. Screw port 7 can be useful to fastening a seal to prevent a fluid entering void 8.
  • Figures 2a and 2b are perspective views of a section of helical fin 9 that can be inserted into the prismatic conduits preferably such that the side edges of helical fin 9 are in contact with protrusions 3. This lengthens the flow path to enable more heat exchange to take place without impeding the flow. It also creates turbulence around the inside periphery of the conduit. It can include side tabs so that it locks into place between the extrusions.
  • Helical fin 9 can be heated. Examples of methods of heating the helical fin include an etched foil heating element or a heated tube 10. If the fin incorporates an etched foil heating element then it could then be corrugated or rippled in order to twist into a helix.
  • the material of the helix is thermally conductive.
  • the etched heating element foil is protected from electricity leakage such as by means of graphene or micathermic sheets.
  • Figure 3 is a perspective view that discloses an example how two different materials can form a block of conduits 1 for heat exchanger 23.
  • an outer casing 11 can be a material such as magnesium oxide which forms sides 4a of conduits 1, with the remaining sides 4b formed by an extrusion in another material such as aluminium.
  • a means of heating 12a can be encased and transfer heat from tubular elements or other form of heating to the fluid flowing within conduits 1. Heating means 12b in void 8 may be in addition or instead of heating means 12a.
  • FIG 4 is a perspective view of another embodiment of heat exchanger 23 comprising conduit 1 in a row of conduits 2.
  • Heating means 13 can be located in close proximity to conduit 1.
  • heating means 13 comprises etched foil heating elements located on the inside face of heated sheet 14 in the gaps between heated sheet 14 and prismatic conduits 1.
  • the heat transfer medium 61 could also be water pipes or other heat transfer mediums 61.
  • heat transfer strips 15 can be in direct contact with heated sheet 14 and octagonal face 2 to increase the rate of heat exchange with face 4.
  • a means of insulation can be included such as air gap 16 and insulation layer 17 to minimize heat loss away from the conduits.
  • Figure 5 is a perspective view of a portion of prismatic conduit 1.
  • This is an example of outer protrusions 18 extending from the outer periphery of conduit 1 wherein the objective is to maximize heat storage outside conduit 1 within cavities 19 and beyond.
  • Inner protrusions 3 may also extend from the inner periphery of wall 2 and/or a helical ribbon extend longitudinally along conduit 1 thereby contributing further to improved heat transfer to a heat storage medium outside conduit 1.
  • Figure 6 is a perspective view of an inline heat exchanger 101 of heat exchanger 23 as a block of conduits 1 connected to ducts at duct connections 102 and 103 via reducer 21.
  • the number and size of blocks of prismatic conduits can vary according to the duct size.
  • conduits can be extruded as a block of conduits, for example four prismatic conduits 1.
  • FIG. 7 is a perspective cross-sectional view of heat exchanger 23.
  • This type of heat exchanger could be useful for a condenser in an air conditioner for example.
  • the design of a block of prismatic conduits maximizes inter connectivity between one or more conduits 1 while also evenly distributing void 8 which comprises a pipe 22 for a heat transfer material 61 such as a refrigerant for example.
  • heat exchanger 23 is thermally conducting such as aluminium.
  • Protrusions 3 extending longitudinally along octagonal conduit 1 can significantly increase heat exchange from pipes 22 to a fluid flowing through conduits 1. They are shown here to extend in parallel with conduit 1. Flowever, with some manufacturing techniques such as 3D printing, it may be possible for them to also follow a helical trajectory.
  • One or more fins 24 between pipe 22 and conduit 1 or other means 5 of heat transfer also serve to exchange heat.
  • a means 5 to transfer heat can be shaped to a conduit as shown in Figure 1 or it can be made from a different heat conductive material than heat exchanger 23.
  • Means 5 within void 8 to transfer heat from a heat transfer medium 61 to the conduits will depend , for example, on the size and shape of the heat transfer medium 61.
  • Removable helical fins 9 can be inserted into the conduits to improve turbulence and heat exchange with the inner periphery of the conduit wall.
  • a coating on pipe 22 or the part of the heat exchanger in contact with pipe 22 can protect from corrosion due to dissimilar metals.
  • a coating of a double layer of graphene is known to not only have exceptionally high thermal conductivity but also to protect from metal corrosion on copper pipes.
  • conduit 1 which is exposed to constant air flow can be easily accessed and cleaned.
  • the remaining areas of pipe 22 are also easily accessible to clean.
  • Pipe 22 can contain a refrigerant or water for example.
  • Figure 8 is a perspective view of one end of heat exchanger 23. It describes an example of ways to seal the cavity that encloses pipe 22 by means of one or more end caps 25. These can be fastened to conduits 1 by means of screw port 6.
  • Figure 9 is a perspective view of an example of an arrangement of some of the components for a condenser in an air conditioning unit 65 comprising heat exchanger 23 and fan 39.
  • Fan 39 with motor 29 can be, for example, the type of helical fan described in PCT/NZ2018/050010 which has excellent flow rate and pressure.
  • intake opening 28 is connected to heat exchanger 23 so that fan 39 draws air through heat exchanger 23.
  • a cover and seal can allow air to be drawn from the fan intake only, thereby increasing the flow rate through heat exchanger 23.
  • Grill 30 can be spaced off blocks of conduits 1 to maximize air flow.
  • one or more heat exchanger 23 can be located at the fan outlet such that the fan is driving air through heat exchanger 23 located at one or more fan exhaust openings 27. This arrangement would be applicable to an outdoor condenser unit for example. All these components would of course be contained within an outdoor unit along with all other components such as a compressor.
  • Figure 10 is a side profile of an example of a grill 32 with drip seal 33. This can be located in front of blocks of conduits 1 that form the heat exchanger. Top of grill 31 and bottom of grill 34 are curved such that the distance 35 is less than the distance 36.
  • FIG 11 is a perspective view of an evaporator 105 comprising an example of a refrigerant pipe 38 coiled over the intake opening 40 of a fan 41 comprising a rotor and casing.
  • Fan 41 can also be the type of helical fan as described in PCT/NZ2018/050010 with intake opening 40 and exhaust openings 27 which has excellent flow rate and pressure. Alternatively it can be a standard cross flow fan as commonly used in evaporator units.
  • refrigerant pipe 38 coils backwards and forwards over at least intake opening 40 of fan 41 in a figure 8 pattern.
  • the refrigerant pipe 38 coils are angled such that it comprises an upper layer 42 and a lower layer 43.
  • the objective is to space refrigerant pipe 38 in such a way as to maximize contact between refrigerant pipe 38 and the air flow without the use of traditional fins to transfer heat. Preferably the spacing allows for easy cleaning of refrigerant pipe 38.
  • Two or more rows of fans 41 can supply the air flow and thermal comfort required with a continuation of refrigerant pipe 38 over intake 40 of the adjoining fan 41. Where there is little air flow between fans 41, refrigerant pipe 38 can discontinue to coil backwards and forwards. It would simply bridge the sections of coiling refrigerant pipe 38.
  • Figure 12a is a perspective view of an embodiment of a row 2 of conduits 1 fastened to an upper and lower end plate 44.
  • One or more sides comprise a heat exchange medium 61.
  • An example of an application for this embodiment is disclosed in Figure 12b and 12c showing a wall-mounted heat exchanger.
  • Upper portion 63 can include one or more rows 2 of conduits 1, heat exchange medium 61and end plates 44 enclosed in insulation 53 with air gap 58 and casing along with upper opening 47 and controls.
  • Lower portion 49 can be joined to upper portion 63.
  • a front cover 48 can be removed for example via clips and hinging tabs 54 to access a filter tray 55. In a less polluted environment, filter tray 55 may be a washable pre-filter.
  • Figure 12c is an example of the back of the wall-panel heat exchanger of Figure 12b showing a means of fastening 52 to the wall. In this example, air is shown to be sourced externally via duct 50 and cowl 56.
  • Figure 13 is a cross sectional view of this embodiment of lower portion 49. It discloses filter tray 55, clip 54 to lock a cover in place, duct 50 and cowl 56. Lower portion 49 may also contain a fan in a location within either lower portion 49 or duct 50. It is expected that some passive flow will result from heating air in upper portion 63, but lower portion 49 may also contain a fan to aid flow or to supply fresh air when heating is not needed.
  • Figure 14a is a perspective view of a wall-mounted heater with an extended lower portion 49. It includes vents 59 such as those shown in Figure 14b.
  • Figure 14b is a cross sectional view of an example of a lower portion 49 with an increased surface area for filter 70.
  • a fan 71 capable of handling greater pressure such as a cross flow fan.
  • a helical cross flow fan of the type described in PCT/NZ2018/050010 by the present inventor has been shown to be capable of relatively high pressure and flow rate.
  • a fluid other than air such as water or oil
  • a fluid other than air can be heated by means of the heat exchanger described herein.
  • Figure 15a is a perspective cross-sectional view of an indirect evaporative cooler 94 comprising a series of rows 2 of conduits 1. The extent of cooling achieved depends largely on the achieved temperature to dry the air.
  • the ideal heat to dry air is between 60 and 80 degrees and ideally the relative humidity of this air should be under 30%.
  • indirect evaporative coolers only work in hot dry areas. They also can use a lot of water which can be a problem in hot dry areas. So in order to widen the geographic reach of evaporative coolers, they need a source of heating to dry air such as solar air heating working in tandem with the indirect evaporative cooler so that they will work when located in hot areas where water, fresh or sea water, isn't an issue.
  • a solar air collector such as the one described in PCT/NZ2013/000185 is ideally suited to provide free heat to dry air before it is cooled by means of evaporation.
  • a test of a prototype solar air heater reached 60C at the outlet providing about 350m3/hr through natural thermal siphoning. The outside temperature was 25C, so it is expected the temperature and air flow would increase much further as ambient temperature increased.
  • Figure 15a discloses how a portion 72 of air conduit 83 can dry a section of desiccant wheel 73 as it slowly rotates. This air then passes through cavity 74 where it can either be exhausted to outside or alternatively mix with fresh air flow from opening 75. Fresh air from opening 75 passes through cavity 74, through desiccant wheel 73 where it is dried and then via conduits 1 which form the heat exchanger along air conduit 77 where it is cooled. Cooled air from air conduit 77 then passes through duct 78 to supply cooled air 79 to the building.
  • An opening at close proximity to lid 82 allows moist air to be exhausted to the outside via air conduit 83.
  • Water can be pumped up through pipes 85 where is it is sprayed or drips onto pad 88 in physical contact with the outside of the rows 2 of conduits 1.
  • This pad 88 can be water-wicking material that holds water while it evaporates cooling as it flows along air conduit 83. It can be held to the cylindrical sides of the row 2 of conduits 1 by, for example, a series of interconnecting vertical ribs that follow the contour of the cylindrical sides of a row 2 and can be pulled out as one allowing easy replacement of the pad 88. These vertical ribs should still allow air to flow upwards in the gaps between pads 88 of alternate rows 2. In this application, evaporative cooling from water functions as the heat exchange medium 61.
  • Figure 15b is a cross sectional view 89 from Figure 15a of a row 2 of conduits 1 with flat parallel sides 4.
  • Sides 4 are in physical contact and may contain means of interlocking such as male and female locks 92 and 93. Cylindrical opposing sides 91 allow water in the pads 88 to evenly distribute as it flows down the sides of rows 2 of conduits 1.
  • Figure 16 is a cross-sectional perspective view of an example of an indirect evaporative cooler 94 disclosing rows 2 of conduits 1 spaced apart so that air conduit 83 fluidly connects duct 84, cavity 99, vents 97 above the water line in sump 8, voids 98 between rows 2 of conduits with water wicking material 88 or between a row 2 of conduits and an insulating side 95, and finally to the outside under lid 82.
  • a pump supplies water from pipe 96 to pipes 85.
  • This compact design is an example of an indirect evaporative cooler which should economize on water compared with other evaporative coolers. This can be significant for regions where water is in short supply. It can use rain water, or sea water if corrosion is not an issue. Any water that is not used drips back into the sump to be used again. It can also incorporate a PV panel, such as on top of lid 82, in order to run a fan and pump so that it functions entirely independently from the electricity supply.
  • the invention may be said broadly to consist in the parts, elements and features referred to or

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  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un échangeur de chaleur doté de cellules de liaison, dans une rangée ou un bloc, permettant de distribuer et de transférer de la chaleur de façon uniforme à un fluide à l'intérieur d'une cellule. Des vides entre des rangées ou des blocs de cellules et l'agent de transfert de chaleur comprennent des moyens supplémentaires permettant de transférer de la chaleur de l'agent de transfert de chaleur au fluide à l'intérieur des cellules. L'échangeur de chaleur peut être utilisé, sans caractère imitatif, pour des applications telles qu'un condenseur dans une unité de climatisation, un dispositif de chauffage mural ou un refroidisseur à évaporation indirecte.
PCT/NZ2019/050074 2018-06-26 2019-06-20 Perfectionnements apportés à un échange de chaleur WO2020005076A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19740087.2A EP3814712A1 (fr) 2018-06-26 2019-06-20 Perfectionnements apportés à un échange de chaleur
AU2019292498A AU2019292498A1 (en) 2018-06-26 2019-06-20 Improvements to heat exchange
US17/251,811 US20210325076A1 (en) 2018-06-26 2019-06-20 Improvements to heat exchange
CA3108069A CA3108069A1 (fr) 2018-06-26 2019-06-20 Perfectionnements apportes a un echange de chaleur

Applications Claiming Priority (20)

Application Number Priority Date Filing Date Title
NZ743830 2018-06-26
NZ74383018 2018-06-26
NZ74389718 2018-06-27
NZ743897 2018-06-27
NZ74776818 2018-10-29
NZ747768 2018-10-29
NZ75080919 2019-02-19
NZ750809 2019-02-19
NZ75099319 2019-02-25
NZ750993 2019-02-25
NZ751957 2019-03-22
NZ75195719 2019-03-22
NZ752163 2019-03-28
NZ75216319 2019-03-28
NZ752797 2019-04-23
NZ75279719 2019-04-23
NZ75294819 2019-04-29
NZ752948 2019-04-29
NZ75413219 2019-05-31
NZ754132 2019-05-31

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2435674A1 (fr) 1978-04-14 1980-04-04 Desmots Michel Capteur-plan d'energie solaire a accumulation
WO1985000212A1 (fr) 1983-06-27 1985-01-17 Charles Stein Systeme de chauffage solaire d'air
US20010032718A1 (en) * 2000-02-24 2001-10-25 Unifin International, Inc. System and method for cooling transformers
JP2003161534A (ja) 2001-11-20 2003-06-06 Takeo Saito グレージングコレクタ
US20080000617A1 (en) * 2006-06-30 2008-01-03 Alejandro CORTINA-CORDERO Climate-conditioning fan and coil apparatus
US20110226458A1 (en) * 2008-04-28 2011-09-22 Eran Plonski Modular heat sink and method for fabricating same
WO2017165921A1 (fr) * 2016-03-30 2017-10-05 Woodside Energy Technologies Pty Ltd Échangeur de chaleur et procédé de fabrication d'échangeur de chaleur

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2435674A1 (fr) 1978-04-14 1980-04-04 Desmots Michel Capteur-plan d'energie solaire a accumulation
WO1985000212A1 (fr) 1983-06-27 1985-01-17 Charles Stein Systeme de chauffage solaire d'air
US20010032718A1 (en) * 2000-02-24 2001-10-25 Unifin International, Inc. System and method for cooling transformers
JP2003161534A (ja) 2001-11-20 2003-06-06 Takeo Saito グレージングコレクタ
US20080000617A1 (en) * 2006-06-30 2008-01-03 Alejandro CORTINA-CORDERO Climate-conditioning fan and coil apparatus
US20110226458A1 (en) * 2008-04-28 2011-09-22 Eran Plonski Modular heat sink and method for fabricating same
WO2017165921A1 (fr) * 2016-03-30 2017-10-05 Woodside Energy Technologies Pty Ltd Échangeur de chaleur et procédé de fabrication d'échangeur de chaleur

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