US20170051986A1 - Heat exchanger - Google Patents

Heat exchanger Download PDF

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Publication number
US20170051986A1
US20170051986A1 US15/118,533 US201515118533A US2017051986A1 US 20170051986 A1 US20170051986 A1 US 20170051986A1 US 201515118533 A US201515118533 A US 201515118533A US 2017051986 A1 US2017051986 A1 US 2017051986A1
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United States
Prior art keywords
inside space
heat exchanger
main body
transport medium
separation wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/118,533
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English (en)
Inventor
Simon Jocham
Daniel Krohn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
E E T Energie-Effizienz Technologie GmbH
Original Assignee
E E T Energie-Effizienz Technologie GmbH
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 E E T Energie-Effizienz Technologie GmbH filed Critical E E T Energie-Effizienz Technologie GmbH
Assigned to E E T Energie-Effizienz Technologie GmbH reassignment E E T Energie-Effizienz Technologie GmbH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JOCHAM, SIMON, DR., KROHN, DANIEL
Publication of US20170051986A1 publication Critical patent/US20170051986A1/en
Abandoned legal-status Critical Current

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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
    • F28D1/0308—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 the conduits being formed by paired plates touching each other
    • 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
    • F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
    • 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
    • F28D1/0366—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 the conduits being formed by spaced plates with inserted elements
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted 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
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
    • 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
    • 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
    • F28F3/06—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
    • H05K7/206—Air circulating in closed loop within cabinets wherein heat is removed through air-to-air heat-exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/10—Particular pattern of flow of the heat exchange media
    • F28F2250/102—Particular pattern of flow of the heat exchange media with change of flow direction
    • 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

Definitions

  • the present invention relates to heat exchanger, a method for producing a heat exchanger and the use of a heat exchanger.
  • a heat exchanger according to the preamble part of patent claim 1 is known from DE 36 06 334 C2.
  • This heat exchanger is a cross flow heat exchanger including a plurality of parallelly running flow channels that are limited against each other by separation walls.
  • To operating principle, of a cross flow heat exchanger is that the flow channels are arranged in that heat exchanging takes place between neigh-boring flow channels. Due to that reason, the single flow channels shall not be connected to each other, to ensure that the fluids between which the heat shall be exchanged, does not mix.
  • DE 60 2005 000 004 T2 shows a main body for a heat exchanger that is made of an extrusion shape and includes a plurality of cylindrical channels.
  • fin heat exchangers known from DE 197 09 176 A1
  • air will be cooled in a room to cool down, with the cooled air, components in the room for protecting them against overheating or to keep the temperature constant.
  • the inlet air passes a main body in which the heat transport medium receives the heat from the air and transports it away.
  • the heat transport medium can release the heat to the air, such that the air cools down the heat transport medium.
  • heat exchangers for control cabinets, climate control units, car coolers and the like operate.
  • Fin heat exchangers basically differ in their fabrication and the guide of the air that passes the fin heat exchanger.
  • a fin heat exchanger having thin metal stripes that are plugged onto metallic tubes.
  • the metallic tubes are then closed at their ends with round arches, such that finally a tube system is provided that guides the heat transport medium.
  • a tube system is provided that guides the heat transport medium.
  • a fin heat exchanger with a frame into which rill sheets are embedded.
  • the construction principle of these fin heat exchangers is also named embedded fold structure. Indeed, this embedding can be realized with a comparably low production expenditure in manufacturing.
  • the freedom in guiding the air to the heat transport medium is significantly limited, because the air can be guided only vertical to the rill sheets.
  • cold plate heat exchangers are known from the US 2013 112 383 A1 and the US 2006/0017202 A1 that are attachable directly onto an object to be cooled down.
  • Such kinds of cold plate heat exchanger are produced by milling rills for guiding the heat transport medium into a metallic semi-finished part. Subsequently, the milled semi-finished part will be closed again. Therein, a planar mounting section, the so called plate cold side, must be provided, for directly attaching an object to be cooled down.
  • Cold plate heat exchangers will for example be used for cooling down microprocessors of computers.
  • the expenditure to mill the cooling rills into the cold plate heat exchanger is very high and is hardly practicable in mass production.
  • milling is basically a metal-cutting production method with a respectively high quantity of waste material.
  • a heat exchanger for transporting thermal energy between an object to be adjusted in it temperature and a heat transport medium comprises a thermally conductive main body in which an inside space for guiding the heat transport medium is formed and a separation wall arranged in the inside space and for separating two subspaces in the inside space that are connected via a passage with each other and in which at least a part of the heat transport medium can be guided.
  • FIG. 1 a perspective view of a heat exchanger that is partly exploded.
  • FIGS. 2 a to 2 f schematic views of possible configurations for an inside space in a main body of the heat exchanger of FIG. 1 .
  • FIGS. 3 a to 3 c side views of possible heat exchangers.
  • FIG. 4 a perspective view of a wall of the main body with slots, into which fins are inserted.
  • FIG. 5 a view of a possible heat exchanger, seen in profile.
  • the provided heat exchanger is based on the thought that in the heat exchangers mentioned in the beginning, the exterior of the heat exchanger will usually not be formed until the guidance for the heat transport medium is formed.
  • the tubes guiding the heat transport medium will be arranged before the metal strips defining the exterior will be plugged.
  • the location of the tubes is not amendable afterwards, such that a fin heat exchanger of this type must be individually constructed for each specific application case. The same is given in case of the cold plate heat exchanger, at which the milled guidances cannot be simply amended afterwards.
  • the heat exchanger of the present invention attaches at this point with the proposal to provide a thermally conductive main body with guidance elements in its inside space, wherein the main body is formable in principle as desired, however preferably with a rectangular section.
  • channels for guiding the heat transport medium can be formed afterwards via separation walls, wherein these separation walls will be inserted into the inside space via the guidance elements. That is, the heat exchanger can initially be formed by the manufacturer in a common and fundamental shape and then be afterwards adapted for the customer in a custom way.
  • the main body can be custom manufactured as fin heat exchanger or as cold plate heat exchanger.
  • the heat exchanger can basically be formed according to a fin heat exchanger or according to a cold plate heat exchanger with a uniform production method. Simply the tool for forming the fins at the fin heat exchanger or the cold plate side at the cold plate heat exchanger has to be selected depending on the application. Therein, both kinds of heat exchangers can also be combined into one single heat exchanger.
  • the main body can be custom formed as casted body or something like that.
  • the main body is preferably an extruded body, in particular a metal extruded body that has a closed profile as viewed in cross section.
  • An extrusion should hereinafter be understood as a primary shaping method that is used to continuously press a viscous hardenable mass under pressure through a shape defining opening.
  • the main body formed therein has a sectional profile that depends on the opening and can theoretically be extruded with an infinite length.
  • metal extrusion is suited best for forming the main body, because thermally conductive materials like metals can be processed best therewith.
  • a main body is that manufactured with an extrusion method is characterized by its sectional profile that is constant over the complete extrusion length.
  • the outside of the main body can be defined in an arbitrary way by the before mentioned shape defining opening.
  • the temperature defining object is an air stream
  • fins can be formed together with the metal extrusion.
  • the main body can be provided with the plate cold side without fins.
  • the opening can be formed in that one side of the main body extruded with fins and the other side of the main body will be extruded without fins to combine the fin heat exchanger and the cold plate heat exchanger.
  • the heat exchanger comprises a separation wall with a length that is shorter than the length of the main body. This is one possibility to form a passage that connects the subspaces. Alternatively or additionally, the passage can be formed as a through opening through the separation wall.
  • the heat exchanger comprises a further separation wall that is fixedly connected to the main body and that is adapted to separate a further subspace that is independent from the other both subspaces in the inside space.
  • This further separation wall can be formed during the metal extrusion.
  • the further separation wall is fixedly connected to the main body, such that the further separation wall works like a stabilizing bar that increases the mechanical stability of the main body.
  • a part of the further separation wall can be recessed in the area of an end side of the main body that is formed as extrusion body.
  • the recess can be formed into the further separation wall by metal cutting methods as sawing or milling as well as by other working methods as water jet cutting or laser beam cutting.
  • the main body formed as extrusion body can be closed by end plates at the end sides. A further installation of tubes or the like for completely forming the channels to guide the heat transport medium is then not further necessary.
  • the heat exchanger will be provided with a supply element to the inside space at one of the end plates and with a discharge element from the inside space at the same or the other end plate.
  • one of the before mentioned heat exchangers will be used as fin heat exchanger and/or as cold plate heat exchanger.
  • a method for producing one of the before mentioned heat exchangers comprises the steps extruding a main body with an inside space and guidance elements arranged in the extrusion direction in the inside space, inserting the separation wall into the guidance elements, closing the main body with two end plates at its end sides and forming a supply element to the inside space and a discharge element from the inside space.
  • FIG. 1 shows a perspective view of a heat exchanger 2 that is partly exploded.
  • the heat exchanger 2 is basically formed of a main body 4 that has in a non limiting way a rectangular sectional profile.
  • this main body 4 should be described first in further detail. Thereafter, it will be gone into detail of the heat exchanger 2 .
  • the main body 4 is opened to an inside space 10 at a first end side 6 and at a second end side 8 located opposite to the first end side 6 and that is not visible in the perspective of FIG. 1 .
  • the inside space 10 is limited by a bottom wall 12 , a top wall 14 that is located opposite to the bottom wall 12 , a first side wall 16 and a second side wall that is located opposite to the first side wall 16 , wherein the inside space 10 is opened only at the end sides 6 , 8 .
  • the shape of the inside space 10 can be rounded in the vicinity of the side walls 16 , 18 , to provide the main body 4 with more mechanical stability.
  • the inside space 10 is further separated into ten subspaces 26 via five movable separation walls in form of sliders 22 and further four fixed separation walls in from of bars 24 .
  • a heat transport medium 28 can be inserted that is indicated in FIGS. 2 a to 2 f . This will be described in detail later.
  • the single subspaces 26 are connected with each other to guide the heat transport medium 28 between a supply connector 30 and a discharge connector 32 . Also this will be described in detail later.
  • the bars 24 comprise in the area of the first end side 6 of the main body 4 recesses 34 .
  • the movable sliders 22 comprise a slider length 36 shown in FIGS. 2 a to 2 f that is shorter than a main body length 38 of the main body 4 between the both end sides 6 , 8 .
  • guiding elements in form of guiding rails 40 are arranged in the inside space 10 .
  • guiding rails 40 is provided with a reference sign in FIG. 1 .
  • the main body 4 should be provided with the sliders 22 to form the sub spaces 26 , because the before mentioned guidance of the heat transport medium 28 can be arbitrarily defined in this way.
  • the bars 24 fixedly arranged in the inside space 10 shall be used only in exceptional cases for mechanically stabilizing the main body 4 .
  • fins 42 are formed through which an air stream 44 can stream that is shown in FIGS. 3 a and 3 c and that air is regarded as an object to be adjusted in its temperature. Only three of these fins 42 are provided with a reference sign on the top wall 14 in FIG. 1 for the sake of clarity.
  • the main body 4 shown in FIG. 1 is extruded by metal extruding, because in this way, the interior space 10 can be formed with the bars 22 and the guiding rails 40 as well as the fins 42 on the bottom wall 12 and the top wall 14 in one process step.
  • the extrusion body on which the main body 4 is based can be manufactured with an arbitrary extrusion length, wherein the main body can finally be shortened to its main body length 38 . Afterward, only the recesses 34 at the bars 24 needs to be formed, then the heat exchanger 2 can be manufactured based on the main body.
  • the sliders 22 will initially be inserted into the guiding rails 40 in the inside space 10 to define the subspaces 26 in a shape specific to the end user. Possible shapes specific to the end user will be explained hereinafter based on FIGS. 2 a to 2 f.
  • the single subspaces 26 formed by the sliders 22 and bars 24 can be arranged in series such that the way of the heat transport medium 28 runs in a sinuous line way through the inside space 10 of the main body 4 .
  • the sliders 22 and bars 24 can be arranged alternately besides each other, while the subspaces 26 in the interior space 10 of the main body 4 might also be completely defined with the sliders 22 , as shown in FIG. 2 c .
  • the main body 4 has due to bars 24 used twice the highest mechanical stability, while the main body 4 in FIG. 2 c has without any bar 24 the lowest mechanical stability.
  • the sliders 22 can be formed between its ends with through holes 48 as shown in FIGS. 2 d and 2 e .
  • a plurality of through holes 48 can be formed on equidistant intervals.
  • the single through holes 48 can be displaced against each other or, as shown in FIGS. 2 d and 2 e , not displaced against each other. It will be only possible to let the size of the through holes 48 vary dependent on the position on the single sliders 22 . In this way, the heat transport medium 28 will contrary to FIGS. 2 a to 2 c not be guided in series through the single subspaces 26 .
  • the sliders 22 introduce with its through holes 48 a friction loss that equally distributes the heat transport medium 28 in the inside space 10 .
  • the principle of a distributed guidance of the heat transport medium 28 through the inside space 10 can be combined with the principle of a guidance of the heat transport medium 28 in series through the single subspaces 26 , as shown in FIG. 2 f.
  • FIG. 1 shows a possible end plate 46 that can be put on the first end site 6 of the main body 4 . It includes contrary to another not shown end plate that can be put on the second end side 8 the supply connector 30 and the discharge connector 32 . These will then be arranged on the end plate 46 in that the supply connector 30 and the discharge connector 32 will lead into one of the subspaces 26 as indicated in the FIGS. 2 a to 2 f.
  • the end plates 46 After putting on the end sites 6 , 8 , the end plates 46 will be connected with the main body 4 .
  • the connection technique it should be considered that the end plates 46 should tightly close the inside space 10 to prevent a leakage of the heat transport medium 28 .
  • a welding technique would suit best.
  • the heat exchanger 2 manufactured in this way can now be used to transfer thermal energy between the above mentioned air stream 44 and/or a component 50 shown in FIGS. 3 b and 3 c and the heat transport medium 28 .
  • the advantage of the heat exchanger 2 will become apparent, because the inside space 10 with its subspaces 26 as well as the guidance of the heat transport medium 28 will be formed completely independent from a shape of the bottom wall 12 , the top wall 14 and the side walls 16 , 18 . That is, the heat exchanger 2 can be produced with a custom configuration and adapted to the end user requirements.
  • FIG. 3 a the heat exchanger 2 of FIG. 1 is shown in a side view seen on the second side wall 18 in an operating state, in which the heat exchanger 2 is exposed to the air stream 44 .
  • the heat exchanger 2 is in this shape a fin heat exchanger.
  • the air stream 44 passes the fins 42
  • the heat transport medium 28 in form of water flows through the subspaces 26 of the in FIG. 3 a not visible inside space 10 .
  • the heat transport medium 28 has a temperature that is lower than a temperature of the air 44 that passes the fins 42 .
  • the passing air 44 heats up the fins 42 , which then delivers the heat energy to the respectively colder heat transport medium 28 .
  • This then transports the heat via the in FIG. 3 a not visible discharge connector 32 to a heat sink that can cool down the heat transport medium 28 in a known way and reintroduce it via the supply connector 30 into the inside space 10 of the heat exchanger 2 .
  • FIG. 3 b an alternative form is shown, in which the heat exchanger 2 can also be embodied.
  • components 50 are directly put on the top wall 14 that should be embodied in a flat way for an optimal heat contact with the components 50 , that is without fins 42 .
  • the heat exchanger 2 in this shape is a cold plate heat exchanger.
  • To produce the main body for the heat exchanger 2 of FIG. 3 b only one extrusion tool must be provided for the metal extrusion, with which the main body 4 can be formed without fins 42 . All remaining method steps form producing the heat exchanger 2 remain unchanged.
  • the fin heat exchanger and the cold plate heat exchanger can be combined into one single heat exchanger 2 that is shown in FIG. 3 c.
  • the main body 4 can also be formed at of the walls 12 to 18 with in FIG. 4 shown slots 52 into which fins 42 might be pressed.
  • this principle is shown based on a plate that represents the main body 4 and that is also provided with the reference sign of the main body 4 for the sake of clarity. Also in FIG. 4 , not all fins 42 and slots 52 are provided with an own reference sign.
  • FIG. 5 a further embodiment of the heat exchanger 2 is shown.
  • the heat exchanger 2 of FIG. 5 is a further development of the heat exchanger 2 of FIG. 3 c combining a fin heat exchanger and a cold plate heat exchanger.
  • fins 42 are formed that are not all provided with an own reference sign for the sake of clarity.
  • components 50 might be fixed.
  • fixing elements in form of threaded holes 54 are formed, into which not shown fixing screws for mechanically attaching the components 50 to the heat exchanger 2 can be screwed.
  • the single threaded holes 54 have each a bore diameter 56 .
  • the threaded holes 54 are formed into bars 24 of the main body 4 of the heat exchanger 2 .
  • the bars 24 have, seen in the profile of the main body 4 , a bar width 58 that is larger than the bore diameter 56 of the threaded holes 54 that is formed into the respective bar 24 .

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
US15/118,533 2014-10-02 2015-09-08 Heat exchanger Abandoned US20170051986A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014014393.7A DE102014014393A1 (de) 2014-10-02 2014-10-02 Wärmetauscher
DE102014014393.7 2014-10-02
PCT/EP2015/070467 WO2016050457A1 (de) 2014-10-02 2015-09-08 Wärmetauscher

Publications (1)

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US20170051986A1 true US20170051986A1 (en) 2017-02-23

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US15/118,533 Abandoned US20170051986A1 (en) 2014-10-02 2015-09-08 Heat exchanger

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US (1) US20170051986A1 (de)
CN (1) CN106415179A (de)
DE (1) DE102014014393A1 (de)
WO (1) WO2016050457A1 (de)

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EP3567330A3 (de) * 2018-03-23 2020-02-26 United Technologies Corporation Gussplattenwärmetauscher und verfahren zur herstellung mittels gerichteter erstarrung
US10777966B1 (en) * 2017-12-18 2020-09-15 Lockheed Martin Corporation Mixed-flow cooling to maintain cooling requirements

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