WO2016171567A1 - Tube à chaleur avec structure de canal - Google Patents

Tube à chaleur avec structure de canal Download PDF

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Publication number
WO2016171567A1
WO2016171567A1 PCT/NO2016/050072 NO2016050072W WO2016171567A1 WO 2016171567 A1 WO2016171567 A1 WO 2016171567A1 NO 2016050072 W NO2016050072 W NO 2016050072W WO 2016171567 A1 WO2016171567 A1 WO 2016171567A1
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WO
WIPO (PCT)
Prior art keywords
heat tube
heat
tube assembly
channel structure
assembly according
Prior art date
Application number
PCT/NO2016/050072
Other languages
English (en)
Inventor
Didier OSTORERO
Veroslav Sedlak
Original Assignee
Goodtech Recovery Technology As
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 Goodtech Recovery Technology As filed Critical Goodtech Recovery Technology As
Publication of WO2016171567A1 publication Critical patent/WO2016171567A1/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
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0233—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
    • 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
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/025—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes having non-capillary condensate return means
    • 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
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00—Reinforcing means
    • F28F2225/04—Reinforcing means for 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
    • F28F2240/00—Spacing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/12—Safety or protection arrangements; Arrangements for preventing malfunction for preventing overpressure

Definitions

  • the invention relates to heat transfer systems in general and more specifically a system for transferring heat at high temperatures across large heat tube areas.
  • heat pipes are efficient in transferring large amounts of heat by use of phase change of a working fluid.
  • heat pipes shaped as a tube optionally with bends and/or with heat spreaders. While this heat pipe has a good mechanical strength for high pressure the problem is the small contact surface to the device. Heat spreaders or shaped cavities for attachment to heat pipes will improve the efficiency, nevertheless complexity will increase.
  • US 4931905 regards two metal plates having U-shaped grooves formed therein so that the plates may form congruent halves wherein matching grooves independent heat pipes.
  • US 2009/0101308 regards a heat pump device and method in which micro- channel embedded pulsating heat pumps are incorporated into a substrate.
  • US 5697428 regards a heat pipe comprising an unit plate having one side formed with a groove which includes a plurality of straight portions arranged in parallel with each other and a plurality of turnings, and a plat plate disposed on the one side of the unit plate.
  • a main objective of the present invention is to provide a compact heat transfer system capable of transferring large amounts of heat across a large area while operating at high temperatures.
  • a heat tube assembly as defined in the preamble of claim 1 , having the features of the characterising portion of claim 1 , a redundancy heat tube assembly as defined in the preamble of claim 13, having the features of the characterising portion of claim 13, and an interleaved redundancy heat tube assembly as defined in the preamble of claim 14, having the features of the characterising portion of claim 14.
  • the present invention attains the above-described objective by a channel structure defined by texture or a network of grooves provided into a first surface wherein the first surface is attached to a second surface, wherein at least parts of the first surface not provided with channel structure form at least one contact surface that is in mechanical attachment to the second surface.
  • the channel structure is provided with a wicking surface.
  • the channel structure is at least one groove.
  • the embodiment comprises a condenser assembly, wherein the condenser assembly is an internal condensation unit.
  • the condenser assembly is an external condensation unit and preferably the heat tube is provided with a condensation unit that is bonded to the heat tube assembly, more preferably he first and second surface and the condensation unit are diffusion bonded into to the heat tube assembly.
  • first and second surface is adapted to be mechanically attached to a surface to be cooled, preferably the heat tube assembly is provided with means for attachment, wherein the means for attachment is preferably at least one attachment hole through the first surface and the second surface.
  • the technical difference over traditional two-dimensional heat pipes is the contact surface connecting a first and a second surface providing mechanical strength to the device according to that present invention.
  • the contact surface provides a substantially improved mechanical strength to the heat tube and thus maintains structural integrity and also flatness even at high internal pressure, as well as larger effective evaporation/condensation surface area.
  • the heat pipe assembly can be thin yet strong
  • the channel structure can be further provided with a wicking surface for
  • Figure 1 shows an assembled 3D model of a heat tube
  • Figure 2a shows a side view of the first embodiment, disclosed in Figure 1
  • Figure 2b shows a front view of the first embodiment, disclosed in Figure 1
  • Figure 2c shows a cross section A-A of the first embodiment, disclosed in Figure 1
  • Figure 3a shows first embodiment of structure for grooves having a semi circular cross section
  • Figure 3b shows second embodiment of structure for grooves having a rectangular cross section
  • Figure 3c shows third embodiment of structure for grooves having a rectangular cross section with overhang
  • Figure 3d shows fourth embodiment of structure for grooves having a triangular cross section
  • Figure 4a shows first embodiment of a geometrical pattern
  • Figure 4b shows second embodiment of T-shaped pattern
  • Figure 4c shows third embodiment of a first square pattern
  • Figure 4d shows fourth embodiment of a second square pattern
  • Figure 5 shows an exploded view of an embodiment where a first and a second surface are provided with a channel structure.
  • heat tube there are two embodiments intended: “heat pipe” where a wick or other capillary effect pulls the liquid back to the hot end, and “thermosyphon” where the gravity pulls the liquid back to the hot end.
  • the hot end is also known as the evaporation section.
  • thermosyphon it is preferred that the tube body is provided with a substantially downward inclination so that fluid in the liquid phase can run down the length of the tube. Since heat tubes of either type operate by removing heat by phase transition liquid to gas, it is required that the heat tube allows liquid to reach the lowest point in the heat tube to avoid burn-out.
  • a heat tube can be provided with sufficient mechanical strength to withstand pressure induced deformation by using an internal structure that connect a first surface with a second surface.
  • a texture or a network of grooves provided into a first surface wherein the first surface is
  • the first surface is located opposite a second surface and together these enclose a volume within the texture or network of grooves containing a working fluid.
  • On applying heat the temperature rises and at least some working fluid undergoes a phase transition from liquid to gas.
  • a force proportional to pressure and pressure exposed area is applied to the first surface. If the first and second surface are of equal area the second surface is subjected to a force equal in magnitude but in the opposite direction.
  • the contact surfaces connecting the first and second surface connect and thus absorb these forces and thus maintain the integrity of the shape of the first and second surface.
  • a sidewall can optionally also be attached to the periphery of the first and second surface to provide improved sealing and mechanical strength.
  • a heat tube at room temperature can be at a
  • the embodiment of the apparatus 100 according to the invention shown in Fig. 2a - 2c comprises a heat tube 100 hot end 130 comprising a first surface 134 and a second surface 135 opposite the first surface that together enclose a volume for containing a working fluid.
  • a network of grooves 141 is formed into the surface of the first surface facing the second surface, connecting these mechanically by the contact surfaces that remain where grooves are not formed.
  • the first and second surfaces are then preferably diffusion bonded together so that the contact surfaces of the first surface contacts the second surface.
  • the periphery is also in contact, sealing in the volume created by the grooves, thus creating a set of channels.
  • the channels can be at least one contiguous channel, a plurality of parallel channels or a combination thereof.
  • the grooves are in use substantially filled with the fluid in the liquid phase.
  • a cold end is located, more preferably attached, even more preferably attached as an integral unit.
  • a condensation unit 120 is placed at the cold end. The condensation uses a cooling fluid flowing through fluid connectors 124 to remove heat.
  • a cooling fluid flowing through fluid connectors 124 to remove heat.
  • condensation unit is formed by a similar set of grooves and is attached, more preferably formed in the above described diffusion bonding process.
  • the condensation unit is provided on both sides of the cold end, effectively sandwiching the cold end.
  • the result is a compact condensation unit in good thermal contact with the cold end and separated by a surface, wherein the surface is the opposite surface of the first surface and/or the second surface.
  • the heat tube system can operate at a pressure independent of the condensation unit.
  • the condensation unit does not have to be operating using phase transition.
  • cooling fluid flows through the condensation unit grooves.
  • a cooling fluid enters a first fluid connector, into the cold end with the condensation unit where heat is removed from the fluid in gas phase and transferred to the cooling fluid, and out through a second fluid connector.
  • heat is absorbed through the first surface or the second surface. It is preferred that when heat is absorbed through one surface the opposite surface is corrugated to provide further mechanical stability.
  • prefabricated channel structure is sandwiched between a first and second metal sheet wherein the metal sheets are maintained in parallel as the sheets are bonded.
  • Bonding can be performed using a wide range of methods from diffusion bonding, welding, casting, soldering, sintering and gluing.
  • the sandwiched structure is made from metal sheets of the desired size or cut to size.
  • the sheets can also be used to pre-stress the sandwiched structure in order to provide a more linear thermal expansion on heating the completed heat tube.
  • Fig. 2c shows a cross section how the channel structure is positioned inside heat tube.
  • the surfaces are typically made from metal or other materials such as ceramics or plastic and selected according to the working fluid used.
  • metal or other materials such as ceramics or plastic
  • stainless steel or copper When using water as working fluid it is preferred to use stainless steel or copper for all surfaces that are in contact with the working fluid.
  • the channel structure can take on several embodiments, each having different advantages.
  • Figure 3a shows first embodiment of structure for grooves having a semi circular cross section.
  • Such a structure avoids sharp corners where cracks can form and start propagating.
  • This type of groove can be made using photolithographic methods wherein a photoresist is placed on a surface and then exposed to define a pattern. Depending on process either the exposed or unexposed photoresist is removed. Then the material exposed through the removed photoresist is etched. Such etching can be performed by wet chemistry such as etching in acid, forming rounded etched structures.
  • Figure 3b shows second embodiment of structure for grooves having a rectangular cross section.
  • Such structures can be created as above, using dry etch techniques instead of wet chemistry etching. Plasma etching is one example.
  • Figure 3c shows third embodiment of structure for grooves having a
  • the advantage is to provide a channel structure having a satisfactory volume while at the same time providing the surface with an enlarged contact surface compared to a structure having no overhand.
  • Figure 3d shows fourth embodiment of structure for grooves having a triangular cross section.
  • Such structure can easily be formed by scouring with a needle or knife like tool, or by embossing.
  • Sharp corners can represent a structural weakness, a risk of crack formation. It can therefore be advantageous to post process such structures, such as the ones shown in Figs. 3b - 3d to round sharp corners.
  • Wet etching is one such possibility.
  • Heat tubes operate by exploiting phase transitions and for evaporation as well as for condensation it is beneficial to provide the surface with nucleation sites, for instance by providing a surface texture to the channel structure. This can be provided using wet chemistry etching, for instance using isotropic or anisotropic etching.
  • a texture is another embodiment of the channels disclosed above. Many means for creating such textures exist such as annealing and recrystallization wherein crystals grow from the surface. The peaks of these structures then effectively form the contact surfaces and the areas feeding the crystal growths provide the volume for the working fluid.
  • the channel structure can also be provided with a wicking surface to allow for transport of working fluid in the liquid phase against the gravity.
  • the channel structures are best seen in a side view and are used in a structure best illustrated in a front view of the first surface.
  • the structure is any geometrical pattern that provides for heat transport, particularly by fluid flow over as much as possible over the heat tube area, preferably that allows circulation across the heat tube, in particular between the lower and upper end of the heat tube. Specific embodiments are disclosed below.
  • Figure 4a shows first embodiment with a geometrical pattern which allows the transport of both liquid and gas phases everywhere between the first and the second surfaces of the heat tube, specifically a circular pattern, wherein the circles represent the contact surfaces and the channel structures surround each circle. This allows for fluid to flow freely horizontally and vertically. This has the advantage of avoiding local burnout which can happen when many smaller cylindrical heat tubes are used where a single failure can lead to localized damage.
  • FIG. 4b shows a second embodiment of T-shaped pattern, wherein each "T" represents a contact surface. This pattern provides a larger channel structure volume and ensures turbulent fluid flow and thus mixing.
  • Figure 4c shows a third embodiment of a first square pattern, wherein each square is the contact surface. Each square is aligned with the upper surface horizontally.
  • the square shape is easy for production. Preferably the corners are rounded.
  • Figure 4d shows fourth embodiment of a second square pattern, turned 45 degrees compared to that shown in Fig. 4c. Also this square shape is easy for production and has the added advantage that allows a better flow from top to bottom because there is no horizontal surface where the condensate could be stuck.
  • the hot end It is important to attach the hot end closely to the surface that is to be cooled. To this end it is preferred to provide the hot end with means for attachment 136. These can be in the form of attachment holes or attachment slits, typically provided around the edge of the hot end.
  • first and the second surfaces and the optional sidewalls should have a similar coefficient of thermal expansion comparable to avoid warping. This can be done using materials of matching properties, pre tensioning, profiling to impart a specific thermal expansion or a combination of these means.
  • first and the second surface can be shaped other than flat, for instance cylindrical in order to be suited for attachment to existing pipes.
  • the sheets are provided with a surface finish, optionally provided with longitudinal tracks for receiving thermal paste
  • thermo paste between the heat absorbing surfaces and the objects to be cooled.
  • the heat tube is brazed, soldered or glued to the object to be cooled.
  • Figure 5 shows a side view of an embodiment where a first and a second surface are provided with a channel structure.
  • heat can enter the heat tube through both the first and the second surface. This can be useful when extracting heat from a fluid flowing across said surfaces. While it is preferred to use sheet metal for forming the structures it is also possible to use thicker metal plates. Plates can be pre formed by for instance moulding or patterned using rollers. Said patterns can optionally then be further machined using dry or wet chemical action, electro etching, scouring, stamping or other methods known for imparting a structure into a surface.
  • the structure can also be formed by 3D printing, or additive printing, built up from a base or additively formed on a metal base, such as a metal sheet.
  • a meander pattern instead of an open and/or repetitive pattern a meander pattern, once can use a pattern where one channel meanders across the phase of the first surface.
  • a plurality of channels is used.
  • the assembly could comprise a plurality of sub units in the form of heat tube assemblies as describe above.
  • the assembly could be made in a form having the same physical dimensions as a single large heat tube.
  • the fluid connectors 124 inlets and outlets to the heat exchangers could be provided with manifolds and have a single inlet and a single outlet and more advantageously in the same positions as for a single large heat tube.
  • each sub unit could be selected to be of a size and shape so that if it were to fail the system would be still operational.
  • the sub units adjacent to the failed sub unit would have to provide sufficient cooling to avoid run out.
  • the fluid connectors 124 could be provided with redundancy.
  • An interleaved redundancy heat tube assembly comprising a plurality of sub units of heat tube assemblies having a condense assembly, wherein the sub units are interleaved in groups having common fluid cooling of condensation units.
  • a first pair of manifolds for fluid connectors would provide cooling to odd numbered sub units and a second pair of manifolds for fluid connectors would provide cooling to even numbered sub units.
  • This could be further increased to higher order interleaving.
  • a diffusion bonded external condensation units described earlier it is possible to sandwich a condensation unit between two heat tube assembles and form an internal condensation unit.
  • the two heat tube assembles can be two separate units or interconnected and effectively form a single unit.
  • the cold end of a heat tube assembly can be folded around and bonded to a
  • condensation unit This can optionally be attached by diffusion bonding.
  • the invention according to the application finds use in transferring heat from heat sources.
  • One example is keeping uniform temperature across the surface of an electrolysis cell sidewall of the Hall-Heroult aluminium electrolysis cells.
  • Another example is recovering heat from exhaust gases from industrial processes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un système de tube à chaleur permettant de transférer de la chaleur à hautes températures sur de grandes aires de tube à chaleur. L'objectif est atteint grâce à une structure en canal définie par une texture ou un réseau de rainures présents dans une première surface, où la première surface est attachée à une deuxième surface, où au moins des parties de la première surface dépourvues de structure de canal forment au moins une surface de contact qui est attachée mécaniquement à la deuxième surface. L'effet technique est que la surface de contact rend possible la création de systèmes de tube à chaleur ayant de grandes aires fonctionnant à haute pression tout en maintenant une intégrité structurelle.
PCT/NO2016/050072 2015-04-24 2016-04-20 Tube à chaleur avec structure de canal WO2016171567A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20150500 2015-04-24
NO20150500A NO341387B1 (en) 2015-04-24 2015-04-24 Heat Tube With Channel Structure

Publications (1)

Publication Number Publication Date
WO2016171567A1 true WO2016171567A1 (fr) 2016-10-27

Family

ID=57144465

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2016/050072 WO2016171567A1 (fr) 2015-04-24 2016-04-20 Tube à chaleur avec structure de canal

Country Status (2)

Country Link
NO (1) NO341387B1 (fr)
WO (1) WO2016171567A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4931905A (en) * 1989-01-17 1990-06-05 Grumman Aerospace Corporation Heat pipe cooled electronic circuit card
US6148906A (en) * 1998-04-15 2000-11-21 Scientech Corporation Flat plate heat pipe cooling system for electronic equipment enclosure
US20020056542A1 (en) * 1995-12-21 2002-05-16 Masaaki Yamamoto Flat type heat pipe
US20040069455A1 (en) * 2002-08-28 2004-04-15 Lindemuth James E. Vapor chamber with sintered grooved wick
US20090101308A1 (en) * 2007-10-22 2009-04-23 The Peregrine Falcon Corporation Micro-channel pulsating heat pump
US20100044014A1 (en) * 2008-08-19 2010-02-25 Kwun-Yao Ho Flat-plate loop heat conduction device and manufacturing method thereof
WO2013105867A1 (fr) * 2012-01-12 2013-07-18 Goodtech Recovery Technology As Cellule d'électrolyse pour la production d'aluminium comprenant un système de régulation de la température des parois latérales
WO2015057900A1 (fr) * 2013-10-15 2015-04-23 Luvata Franklin, Inc. Caloduc plat et son procédé de fabrication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5697428A (en) * 1993-08-24 1997-12-16 Actronics Kabushiki Kaisha Tunnel-plate type heat pipe
US20100071880A1 (en) * 2008-09-22 2010-03-25 Chul-Ju Kim Evaporator for looped heat pipe system
GB2498373B (en) * 2012-01-12 2016-08-31 ECONOTHERM UK Ltd Heat exchanger

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4931905A (en) * 1989-01-17 1990-06-05 Grumman Aerospace Corporation Heat pipe cooled electronic circuit card
US20020056542A1 (en) * 1995-12-21 2002-05-16 Masaaki Yamamoto Flat type heat pipe
US6148906A (en) * 1998-04-15 2000-11-21 Scientech Corporation Flat plate heat pipe cooling system for electronic equipment enclosure
US20040069455A1 (en) * 2002-08-28 2004-04-15 Lindemuth James E. Vapor chamber with sintered grooved wick
US20090101308A1 (en) * 2007-10-22 2009-04-23 The Peregrine Falcon Corporation Micro-channel pulsating heat pump
US20100044014A1 (en) * 2008-08-19 2010-02-25 Kwun-Yao Ho Flat-plate loop heat conduction device and manufacturing method thereof
WO2013105867A1 (fr) * 2012-01-12 2013-07-18 Goodtech Recovery Technology As Cellule d'électrolyse pour la production d'aluminium comprenant un système de régulation de la température des parois latérales
WO2015057900A1 (fr) * 2013-10-15 2015-04-23 Luvata Franklin, Inc. Caloduc plat et son procédé de fabrication

Also Published As

Publication number Publication date
NO20150500A1 (no) 2016-10-25
NO341387B1 (en) 2017-10-30

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