EP3353486B1 - Tuyau de transfert de chaleur, evaporateur chauffe par air et procede de fabrication d'un tuyau de transfert de chaleur - Google Patents

Tuyau de transfert de chaleur, evaporateur chauffe par air et procede de fabrication d'un tuyau de transfert de chaleur Download PDF

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Publication number
EP3353486B1
EP3353486B1 EP16766226.1A EP16766226A EP3353486B1 EP 3353486 B1 EP3353486 B1 EP 3353486B1 EP 16766226 A EP16766226 A EP 16766226A EP 3353486 B1 EP3353486 B1 EP 3353486B1
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EP
European Patent Office
Prior art keywords
heat transfer
transfer tube
coating
tube
seed points
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.)
Not-in-force
Application number
EP16766226.1A
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German (de)
English (en)
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EP3353486A1 (fr
Inventor
Florian Ehegartner
John MCCAFFERY
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Linde GmbH
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Linde GmbH
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Publication of EP3353486B1 publication Critical patent/EP3353486B1/fr
Not-in-force legal-status Critical Current
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Classifications

    • 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
    • F28F19/04—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of rubber; of plastics material; of varnish
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F17/00—Removing ice or water from heat-exchange apparatus
    • 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
    • F28F2245/00—Coatings; Surface treatments
    • F28F2245/02—Coatings; Surface treatments hydrophilic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2245/00—Coatings; Surface treatments
    • F28F2245/04—Coatings; Surface treatments hydrophobic

Definitions

  • the invention relates to a heat transfer tube, in particular a fin tube, for an air-heated evaporator for heating and / or evaporation of cryogenic liquids, an air-heated evaporator for heating and / or evaporation of cryogenic liquids with such a heat transfer tube and a method for producing such a heat transfer tube.
  • cryogenic liquids e.g. liquid oxygen, liquid nitrogen, liquid argon, liquid hydrogen, liquid carbon dioxide and liquefied natural gas warmed by the ambient heat and / or evaporated.
  • air-heated evaporator can condense in the fresh air used for heating air moisture and freeze.
  • an insulating layer is formed on the heat transfer tubes, which must be manually knocked off by means of tools to maintain the functionality of the evaporator or removed with the aid of a steam jet.
  • the object of the present invention is to provide an improved heat transfer tube for an air-heated evaporator for heating and / or vaporizing cryogenic liquids.
  • a heat transfer tube in particular a fin tube, proposed for an air-heated evaporator for heating and / or evaporation of cryogenic liquids.
  • the heat transfer tube comprises a tube section and a coating provided on the outside of the tube section, which has a hydrophilic portion and a hydrophobic portion, wherein the hydrophilic portion forms in the coating of the hydrophobic portion circumferentially enclosed nucleation sites for the condensation of atmospheric moisture thereto and wherein the nucleation sites Have a size of less than 100 nm.
  • the condensation of the humidity contained in the fresh air to the heat transfer tube can be controlled so that preferably form spherical ice crystals, which grow up in layers.
  • the ice crystals have contact with the heat transfer tube only at a very small portion of their surface due to the wettability of the nucleation sites and the non-wettability of the hydrophobic moiety. As a result, they are particularly easy to remove from the heat transfer tube.
  • the formation of an insulating layer is prevented by the targeted crystallization, since the ice crystals find no longer stop at the heat transfer tube early and fall off automatically or be removed by the draft of the heat transfer tube sweeping fresh air from this.
  • the nucleation sites are preferably nanoparticles.
  • the terms nanoparticles or nanoparticles denote composites of a few to a few thousand atoms or molecules.
  • the term nano refers to their size, which is typically from 1 to 100 nm.
  • the seed sites are 10 to 90 nm, more preferably 20 to 80 nm, more preferably 30 to 70 nm, further preferably 40 to 60 nm in size.
  • the size of the seed sites may be a diameter, a length, a height and / or a width thereof.
  • the size can also be referred to as particle size.
  • the heat transfer tube may have radially extending out of the pipe section heat transfer fins.
  • the heat transfer tube can then also be referred to as a fin tube.
  • the heat transfer tube ribless, so be smooth.
  • the nucleation sites are so small that ice crystals formed at the nucleation sites are spherical.
  • the ice crystals form from condensed at the nucleation sites humidity.
  • the ice crystals grow up in layers. Due to the surface tension of water, a spherical geometry of the ice crystals is formed. As the growth of ice crystals progresses, the area at which the ice crystals adhere to the seed sites becomes larger than the total surface of the ice crystals smaller and smaller so that they fall off the heat transfer tube at the slightest touch.
  • the nucleation sites are so small that the ice crystals fall off the heat transfer tube due to their own weight.
  • the heat transfer tube is arranged so that the gravity is oriented parallel to the coating.
  • the ice crystals grow until they automatically fall off the heat transfer tube.
  • a diameter of the germinal sites is smaller than a diameter of the ice crystals formed at the germinal sites.
  • the diameter of the germinal sites is many times smaller than the diameter of the ice crystals.
  • the germinal sites are punctiform.
  • nucleation sites may be, for example, circular, elliptical, oval, polygonal or star-shaped.
  • the heat transfer tube on the outside of the tube section provided heat transfer ribs, where the coating is provided.
  • the heat transfer fins preferably extend radially out of the pipe section.
  • the coating is provided both on the pipe section and on the heat transfer ribs.
  • the heat transfer fins may be branched or branched. This increases a surface of the heat transfer tube, whereby a good heat transfer from the fresh air is ensured to the cryogenic liquid.
  • the pipe section is made of an aluminum alloy.
  • the pipe section is integrally formed with the heat transfer ribs.
  • the pipe section may be an extruded profile.
  • An aluminum alloy ensures very good heat transfer properties.
  • the pipe section may for example be made of a steel alloy, a fiber composite material, a plastic material or any other material.
  • the coating is a sol-gel coating.
  • the coating is a nano-coating or may be referred to as nano-coating.
  • the coating is a monocomponent polysiloxane-urethane monolayer coating material.
  • a polysiloxane-urethane resin filled with nanoparticles may be used as the binder base.
  • the coating may have, for example, a layer thickness of 3 to 10 ⁇ m after it has hardened.
  • the nucleation sites are arranged uniformly distributed in the hydrophobic portion.
  • the seed sites in the hydrophobic moiety may be unevenly distributed.
  • the nucleation sites are spaced apart such that the formed ice crystals do not contact each other prior to falling off the heat transfer tube. As a result, the formation of an ice sheet is reliably prevented.
  • the heat transfer tube further comprises means for introducing shocks and / or vibrations into the heat transfer tube.
  • the device can be activated, for example, constantly or at regular intervals.
  • the device may for example have a spring-loaded hammer.
  • the nucleation sites are embedded in the hydrophobic portion such that a respective surface of the nucleation sites is uncovered by the hydrophobic portion.
  • the surface of the seed sites is unwetted by the hydrophobic moiety.
  • an air-heated evaporator for heating and / or evaporation of cryogenic liquids with at least one such heat transfer tube is proposed.
  • the air-heated evaporator may include a plurality of heat transfer tubes.
  • the heat transfer tubes are positioned vertically.
  • a plurality of heat transfer tubes are connected in series.
  • the heat transfer tubes are preferably connected to each other by means of pipe bends.
  • the heat transfer tubes can also be connected in parallel.
  • the heat transfer tubes may be mounted on a support frame.
  • the support frame can be attached to a foundation, in particular a concrete slab.
  • a method for producing a heat transfer tube in particular a fin tube, proposed for an air-heated evaporator for heating and / or evaporation of cryogenic liquids.
  • the method comprises the steps of providing a tube section and coating the tube section externally with a coating having a hydrophilic moiety and a hydrophobic moiety, wherein the hydrophilic moiety in the coating forms nucleation sites circumferentially confined by the hydrophobic moiety for condensation of atmospheric moisture thereon and wherein the seed sites are less than 100 nm in size.
  • the pipe section preferably includes heat transfer fins extending radially therefrom.
  • the pipe section can also be ribless, so smooth.
  • the heat transfer ribs are also provided with the coating.
  • the coating can be applied to the heat transfer tube or to the tube section and the heat transfer ribs, for example by means of a spraying method, a dipping method or a flooding method.
  • the coating can be baked at an elevated temperature in the heat transfer tube.
  • the Fig. 1 shows a schematic side view of an embodiment of an air-heated evaporator 1 for heating and / or evaporation of cryogenic liquids.
  • the Fig. 2 shows a further schematic side view of the evaporator 1 and the Fig. 3 shows a schematic plan view of the evaporator 1. The following is on the Fig. 1 to 3 simultaneously referred to.
  • cryogenic liquids or liquefied cryogenic gases are liquid oxygen, liquid nitrogen, liquid argon, liquid hydrogen, liquid carbon dioxide, liquid ethene or ethylene, liquid ethane, liquid helium or liquefied natural gas (LNG).
  • the evaporator 1 can be used, for example, in the heating and / or evaporation of cryogenic liquids in the field of metal processing, medical technology, electronics, water treatment, power generation, the food industry, environmental technology or similar fields.
  • the evaporator 1 is adapted to heat and / or vaporize cryogenic liquids by means of the heat of the ambient air.
  • the evaporator 1 comprises a plurality of heat transfer tubes 2, of which in the Fig. 1 to 3 only two are provided with a reference numeral.
  • the number of heat transfer tubes 2 is arbitrary.
  • the evaporator 1 may also comprise only 24, 16, 12, 6, or 4 heat transfer tubes 2.
  • a plurality of heat transfer tubes 2 may be a tube assembly 3 of the Form evaporator 1. As the Fig. 3 shows, each pipe assembly 3 can be assigned six successive heat transfer tubes 2.
  • the heat transfer tubes 2 a pipe assembly 3 are fluidly connected to each other by means of pipe bends 4. Furthermore, the pipe assemblies 3 are connected to each other by means of pipe bends 4.
  • the evaporator 1 furthermore has a first connection 5 and a second connection 6.
  • a cryogenic liquid can be introduced through the connection 5 into the evaporator 1, wherein it flows through all the heat transfer tubes 2 of the evaporator 1 in succession, to be discharged again in the heated or vaporized state from the terminal 6 from the evaporator 1.
  • the heat transfer tubes 2 are swept by fresh air L.
  • the fresh air L gives off heat to the heat transfer tubes 2.
  • the fresh air L is cooled and the heat transfer tubes 2 are heated.
  • the evaporator 1 further comprises a support frame 7, on which the pipe assemblies 3 are arranged.
  • the pipe assemblies 3 may be bolted or welded to the support frame 7, for example.
  • the support frame 7 can on a in the Fig. 1 to 3 not shown foundation, in particular a concrete foundation, be arranged. Without the support frame 7, the evaporator 1 may have a height h 1 of, for example, 3 to 6 m.
  • the evaporator 1 can furthermore have a width b 1 of, for example, 30 cm to 2 m.
  • the evaporator 1 may have a depth t 1 of, for example, 50 cm to 1.5 m.
  • the Fig. 4 shows a schematic sectional view of an embodiment of a heat transfer tube 2.
  • the heat transfer tube 2 has a pipe section 8, through whose interior 9 a cryogenic liquid is passed. To increase the surface area, a multiplicity of first heat transfer ribs 10 protrude into the interior space 9. This improves the heat transfer from the pipe section 8 to the cryogenic liquid.
  • second heat transfer ribs 11 extending radially outward are provided for this purpose.
  • the pipe section 8, the first heat transfer fins 10 and the second heat transfer fins 11 are made of one piece of material.
  • the heat transfer tube 2 is a Extruded profile.
  • the heat transfer tube 2 is made of an aluminum material.
  • the second heat transfer ribs 11 provided on the outside of the pipe section 8 may include branches 12, 13 or end sections 14 provided on the second heat transfer ribs 11 at the end. With the help of the branches 12, 13 and / or the end portions 14, a surface enlargement of the heat transfer tube 2 can be achieved.
  • the heat transfer ribs 10, 11 may be distributed uniformly over a circumference of the pipe section 8.
  • the heat transfer tube 2 is also referred to as a fin tube.
  • the pipe section 8 may also be ribless, so smooth.
  • the heat transfer tube 2 also has a in the Fig. 4 not shown externally applied coating.
  • the Fig. 5 shows a greatly enlarged schematic plan view of the heat transfer tube 2 according to the detailed view V of Fig. 4
  • the Fig. 6 shows a schematic partial sectional view of the heat transfer tube 2 according to the section line VI-VI of Fig. 5 , The following is on the FIGS. 5 and 6 simultaneously referred to.
  • the coating 15 is preferably a so-called sol-gel coating.
  • a sol-gel coating is understood as meaning an inorganic or hybrid polymer film system produced by a sol-gel process.
  • a hybrid polymer is to be understood as meaning a polymeric material which combines structural units of different material classes at the molecular level.
  • a sol-gel process is a process for producing non-metallic inorganic or hybrid polymeric materials from colloidal dispersions, the so-called sols.
  • the starting materials are also referred to as precursors. From them arise in solution in first basic reactions finest particles. Special processing of the brine can produce powders, fibers, layers or aerogels. Because of the small size of the initially generated sol particles in the At the nanoscale, the sol-gel process can be understood as part of chemical nanotechnology.
  • the coating 15 may be a monocomponent polysiloxane-urethane monolayer coating material filled with nanoparticles.
  • a polysiloxane-urethane resin can be used as the binder.
  • the coating 15 can be applied to the heat transfer tube 2 by means of a spraying, dipping or flooding process.
  • the coating 15 can be baked at elevated temperature.
  • the coating 15 may have a thickness d 15 of 3 to 10 microns after curing.
  • the coating 15 has a hydrophilic portion 16 and a hydrophobic portion 17. Hydrophilicity means water-loving, which means that a substance interacts strongly with water or other polar substances. The opposite of hydrophilicity is hydrophobicity. Hydrophobia literally means avoiding water.
  • hydrophobic substances In chemistry, substances are characterized by hydrophobic substances that do not mix with water and roll it off onto surfaces. If a surface is strongly hydrophilic, it is also called superhydrophilicity.
  • the portion 16 is superhydrophilic. Only the hydrophilic portion 16 is wettable with water. In particular, the hydrophilic portion 16 is completely wettable with water. The hydrophobic portion 17 is not wettable with water.
  • the hydrophilic portion 16 forms in the coating 15 of the hydrophobic portion 17 circumferentially enclosed germinal sites 18 from.
  • the germinal sites 18 are preferably punctiform.
  • the germinal sites 18 can also be referred to as particles.
  • the germinal sites 18 are nanoparticles.
  • the germinal sites 18 have a particle size of less than 100 nm.
  • the equivalent diameter of a particle is chosen as the characteristic. From the general frequency distribution of statistics thus the particle size distribution. This is often referred to as grain size distribution.
  • the equivalent diameter is a measure of the size of an irregularly shaped particle such as a grain of sand. It is calculated by comparing a property of the irregular particle with a property of a regularly shaped particle.
  • the seed sites 18 may have any geometry. As in the FIGS. 5 and 6
  • the seed sites 18 may be circular in cross-section. Alternatively, the seed sites 18 may be oval, elliptical, polygonal, star-shaped or the like.
  • the germinal sites 18 may be distributed uniformly or unevenly in the hydrophobic portion 17.
  • the germinal sites 18 have a diameter d 18 .
  • the diameter d 18 may be the equivalent diameter of the seed sites 18.
  • the diameter d 18 is preferably less than 100 nm, more preferably less than 90 nm, more preferably less than 80 nm.
  • the seed sites 18 are embedded in the hydrophobic portion 17 such that a respective surface 19 of the seed sites 18 of the hydrophobic portion 17 is uncovered.
  • the seed sites 18 may be embedded in the hydrophobic portion 17 so that they do not touch the pipe section 8. Alternatively, the seed sites 18 may also contact the pipe section 8.
  • the seed sites 18 form crystallization points for the formation of ice crystals 20 on the heat transfer tube 2.
  • the humidity contained in the fresh air L condenses on the heat transfer tube 2 and freezes on this. With the help of the germinal sites 18, a controlled condensation and crystallization of the air moisture contained in the fresh air L is achieved.
  • the surface 19 of the germinal sites 18 is so small that ice crystals 20 forming at the nucleation sites 18 are spherical. That is, the ice crystals 20 touch the coating 15 only at the seed sites 18 and thus with a very small surface area.
  • the ice crystals 20 thereby grow until they automatically fall off the heat transfer tube 2 due to their own weight or are removed by the fresh air L flowing over the heat transfer tube 2.
  • the formation of an insulating layer such as a closed ice sheet on the heat transfer tube 2 is prevented by the premature removal of the ice crystals 20.
  • the diameter d 18 of the seed sites 18 is smaller than a diameter d 20 of the ice crystals 20. Since the hydrophobic portion 17 is not wetted with water, no ice crystals 20 are formed on this.
  • the heat transfer tube 2 is a in the Fig. 1 only very Simplified indicated device 21 for introducing shocks, vibrations and / or vibrations in the heat transfer tube 2 have.
  • the device 21 may comprise, for example, a spring-loaded hammer.
  • the device 21 may act on the heat transfer tube 2, for example, constantly or at regular intervals with shocks, vibrations and / or vibrations, so that the ice crystals 20 detach from the heat transfer tube 2.
  • the heat transfer tube 2 has the following advantages over known heat transfer tubes. Due to the fact that the air moisture contained in the fresh air L is selectively condensed with the aid of the germinal sites 18, spherical ice crystals 20 are formed which grow until their own weight is so great that they either automatically fall away from the heat transfer tube or from the air flow of the fresh air L. be removed or easily by the introduction of shocks, vibrations and / or vibrations by means of the device 21 of the heat transfer tube 2 are solvable. The targeted formation of the ice crystals 20 prevents the formation of an insulating layer such as an ice sheet on the heat transfer tube 2. This ensures a good heat transfer from the fresh air L to the cryogenic liquid.
  • the Fig. 7 shows a schematic block diagram of an embodiment of a method for producing such a heat transfer tube 2.
  • the pipe section 8 is provided with the heat transfer ribs 10, 11.
  • the pipe section 8 is provided on the outside with the coating 15, which has the hydrophilic portion 16 and the hydrophobic portion 17, wherein the hydrophilic portion 16 in the coating 15 of the hydrophobic portion 17 circumferentially enclosed nucleating sites 18 for condensation of humidity the fresh air L forms at the same.
  • the seed sites 18 have a diameter d 18 of less than 100 nm. In this case, nanoparticles are used as germinal sites 18.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (15)

  1. Tube de transfert thermique (2), en particulier tube à ailettes, pour un évaporateur (1) à chauffage à air pour le chauffage et/ou l'évaporation de liquides cryogéniques, comprenant une portion de tube (8) et un revêtement (15) prévu du côté extérieur sur la portion de tube (8), qui présente une partie hydrophile (16) et une partie hydrophobe (17), la partie hydrophile (16) formant dans le revêtement (15) des sites de nucléation (18) enfermés sur leur périphérie par la partie hydrophobe (16) pour la condensation de l'humidité de l'air sur ceux-ci et les sites de nucléation (18) présentant une taille inférieure à 100 nm.
  2. Tube de transfert thermique selon la revendication 1, dans lequel les sites de nucléation (18) sont si petits que des cristaux de glace (20) formés au niveau des sites de nucléation (18) soient de forme sphérique.
  3. Tube de transfert thermique selon la revendication 2, dans lequel les sites de nucléation (18) sont si petits que les cristaux de glace (20) tombent sous l'effet de leur propre poids depuis le tube de transfert thermique (2).
  4. Tube de transfert thermique selon la revendication 2 ou 3, dans lequel le diamètre (d18) des sites de nucléation (18) est inférieur à un diamètre (d20) des cristaux de glace (20) formés au niveau des sites de nucléation (18).
  5. Tube de transfert thermique selon l'une quelconque des revendications 1 à 4, dans lequel les sites de nucléation (18) présente une forme ponctuelle.
  6. Tube de transfert thermique selon l'une quelconque des revendications 1 à 5, présentant en outre du côté extérieur des nervures de transfert thermique (11) prévues sur la portion de tube (8), au niveau desquelles est prévu le revêtement (15).
  7. Tube de transfert thermique selon l'une quelconque des revendications 1 à 6, dans lequel la portion de tube (8) est fabriquée à partir d'un alliage d'aluminium.
  8. Tube de transfert thermique selon l'une quelconque des revendications 1 à 7, dans lequel le revêtement (15) est un revêtement sol-gel.
  9. Tube de transfert thermique selon la revendication 8, dans lequel le revêtement (15) est un matériau de revêtement monocouche à un composant poly(siloxane-uréthane).
  10. Tube de transfert thermique selon l'une quelconque des revendications 1 à 9, dans lequel les sites de nucléation (18) sont disposés de manière répartie uniformément dans la partie hydrophobe (17).
  11. Tube de transfert thermique selon l'une quelconque des revendications 1 à 10, présentant en outre un dispositif (21) pour introduire des chocs et/ou des vibrations dans le tube de transfert thermique (2).
  12. Tube de transfert thermique selon l'une quelconque des revendications 1 à 11, dans lequel les sites de nucléation (18) sont incorporés dans la partie hydrophobe (17) de telle sorte qu'une surface respective (19) des sites de nucléation (18) ne soit pas recouverte par la partie hydrophobe (17).
  13. Évaporateur à chauffage à air (1) pour le chauffage et/ou l'évaporation de liquides cryogéniques, comprenant au moins un tube de transfert thermique (2) selon l'une quelconque des revendications 1 à 12.
  14. Évaporateur à chauffage à air selon la revendication 12, dans lequel plusieurs tubes de transfert thermique (2) sont montés en série.
  15. Procédé de fabrication d'un tube de transfert thermique (2), en particulier d'un tube à ailettes, pour un évaporateur à chauffage à air (1) pour le chauffage et/ou l'évaporation de liquides cryogéniques, comprenant les étapes suivantes :
    fourniture (S1) d'une portion de tube (8) ; et
    revêtement du côté extérieur (S2) de la portion de tube (8) avec un revêtement (15) qui présente une partie hydrophile (16) et une partie hydrophobe (17), la partie hydrophile (16) formant dans le revêtement (15) des sites de nucléation (18) enfermés sur leur périphérie par la partie hydrophobe (17) pour la condensation de l'humidité de l'air sur ceux-ci et les sites de nucléation (18) présentant une taille inférieure à 100 nm.
EP16766226.1A 2015-09-23 2016-09-06 Tuyau de transfert de chaleur, evaporateur chauffe par air et procede de fabrication d'un tuyau de transfert de chaleur Not-in-force EP3353486B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15002747 2015-09-23
PCT/EP2016/001506 WO2017050418A1 (fr) 2015-09-23 2016-09-06 Tube de transfert de chaleur, évaporateur chauffé à l'air et procédé de production d'un tube de transfert de chaleur

Publications (2)

Publication Number Publication Date
EP3353486A1 EP3353486A1 (fr) 2018-08-01
EP3353486B1 true EP3353486B1 (fr) 2019-09-04

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US (1) US20180274868A1 (fr)
EP (1) EP3353486B1 (fr)
HU (1) HUE046031T2 (fr)
WO (1) WO2017050418A1 (fr)

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JP7159806B2 (ja) * 2018-11-21 2022-10-25 トヨタ自動車株式会社 熱交換器

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HUE046031T2 (hu) 2020-01-28
US20180274868A1 (en) 2018-09-27
WO2017050418A1 (fr) 2017-03-30
EP3353486A1 (fr) 2018-08-01

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