EP3347656A1 - Procede de fabrication d'un element magnetocalorique monobloc, element magnetocalorique obtenu et appareil thermique comportant au moins un tel element magnetocalorique - Google Patents
Procede de fabrication d'un element magnetocalorique monobloc, element magnetocalorique obtenu et appareil thermique comportant au moins un tel element magnetocaloriqueInfo
- Publication number
- EP3347656A1 EP3347656A1 EP16774866.4A EP16774866A EP3347656A1 EP 3347656 A1 EP3347656 A1 EP 3347656A1 EP 16774866 A EP16774866 A EP 16774866A EP 3347656 A1 EP3347656 A1 EP 3347656A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- magnetocaloric
- support piece
- magnetocaloric element
- support
- piece
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/002—Details of machines, plants or systems, using electric or magnetic effects by using magneto-caloric effects
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/012—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials adapted for magnetic entropy change by magnetocaloric effect, e.g. used as magnetic refrigerating material
-
- 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]
Definitions
- the present invention relates to a method for manufacturing a monobloc magnetocaloric element. It also relates to a magnetocaloric element thus obtained. The invention further relates to the use of at least one magnetocaloric element in a thermal apparatus and said thermal apparatus comprising at least one magnetocaloric element.
- Magnetic cold technology is based on the magnetocaloric effect (EMC) of some materials, which is a change in temperature when subjected to a magnetic field. It suffices to subject these materials to a succession of magnetization and demagnetization cycles and to perform a heat exchange with a coolant to achieve the widest possible temperature variation.
- EMC magnetocaloric effect
- the efficiency of such a magnetic refrigeration cycle is about 30% greater than that of a conventional refrigeration cycle, which makes this technology particularly attractive for air conditioning or domestic refrigeration applications.
- this technology is applicable in many thermal domains such as heating, tempering, freezing, cryogenics, etc.
- the magnetocaloric effect is maximum when the temperature of the material is close to its Curie temperature, the Curie temperature (Te) being the temperature at which the material loses its spontaneous magnetization. Above this temperature, the material is in a disordered state called paramagnetic.
- Certain magnetic materials such as gadolinium, lanthanum or some manganese-iron alloys (MnFe) have magnetocaloric properties particularly well suited to the aforementioned applications.
- the alloys and in particular those based on silicon (Si), it is known, according to the desired Curie temperatures, to use alloys based on lanthanum-iron-silicon-cobalt LaFeSiCo or based on lanthanum-iron.
- silicon-cobalt with hydrogen LafeSi (H) in which the insertion of light atoms, such as hydrogen or cobalt in LaFeSi compounds, is an effective way to increase and / or adjust the temperature of Curie while maintaining the EMC effect of the material at a high level.
- magnetocaloric materials In general, to exploit the thermal properties of magnetocaloric materials, magnetic cold technology relies on the interaction of these materials with a coolant, often consisting of a preferably aqueous liquid.
- a magnetic system is used capable of varying the intensity of the magnetic field that is applied to the magnetocaloric material. Under the effect of changes in magnetic field strength, the magnetocaloric material heats up almost instantaneously when it is placed in the magnetic field or when it undergoes increasing field strength and cools according to the same thermal dynamics when it is removed from the magnetic field or when it undergoes a decreasing magnetic field strength.
- the magnetocaloric material is traversed by a fluid called coolant that will be moved in one direction when the material is magnetized and in the opposite direction when the material is demagnetized, to recover the heat of the material (for heating applications) or to provide heat to it (for refrigeration applications) from the heat transfer fluid of a heat exchange by establishing a temperature gradient in said magnetocaloric material.
- a fluid called coolant that will be moved in one direction when the material is magnetized and in the opposite direction when the material is demagnetized, to recover the heat of the material (for heating applications) or to provide heat to it (for refrigeration applications) from the heat transfer fluid of a heat exchange by establishing a temperature gradient in said magnetocaloric material.
- a magnetic cycle comprises:
- This magnetic cycle is repeated up to frequencies of several hertz.
- the thermal power (for example: cooling) delivered by the magnetocaloric heat device also increases.
- this thermal power In order for this thermal power to increase in proportion to the increase in the frequency, it is necessary to create thermal exchange characteristics between the magnetocaloric material and the heat transfer fluid which make it possible to increase this thermal flux.
- the geometry of a part made in one or more magnetocaloric materials is therefore essential to ensure optimal heat exchange between said part and the coolant circulating in contact therewith.
- this geometry is dictated and limited by the magnetocaloric material. Indeed, the raw magnetocaloric material or the alloy of magnetocaloric materials, according to its composition, has characteristics of ductility, mechanical strength, etc.
- the present invention aims to meet the aforementioned constraints and to provide a manufacturing method of a magnetocaloric thermal element to give it easily and inexpensively a form adapted to the needs, without this form being dictated nor limited by the physical and mechanical constraints of the magnetocaloric effect material which it comprises.
- the invention relates to a method of manufacture of the kind indicated in the preamble, characterized in that it comprises at least the steps of:
- the covering step ii) comprises intimately bonding said at least one magnetocaloric effect material to said support member to form a one-piece magnetocaloric member in which said at least one support member and said at least one magnetocaloric material are indissociable, and in that said at least one mechanically resistant material has a thermal conductivity lower than that of said at least one magnetocaloric effect material.
- the covering step consists in mechanically connecting, or even intimately bonding the magnetocaloric material to the support piece, so as to produce a magnetocaloric element in the form of a single piece.
- this monobloc magnetocaloric element thus comprises a mechanical core ensuring its mechanical strength and a thermal surface assuring its ability to achieve the EMC.
- magnetocaloric material refers to magnetocaloric effect materials in general, these materials may be identical or different, and have identical or different Curie temperatures. It is in particular possible to create adjacent regions of magnetocaloric materials having different Curie temperatures to create a temperature gradient increasing or decreasing in the direction of circulation of the heat transfer fluid on the magnetocaloric element.
- the method may consist in manufacturing the support piece in one of the following configurations: wired, two-dimensional, three-dimensional, and in one of the following forms: a solid plate, a lattice, a grid, a perforated plate, a weave, a fabric , an entanglement of threads, a web of material, a network, a cylinder.
- the support piece may comprise a plane face or two parallel and opposite planar faces.
- the covering step may consist in covering part or all of one of the flat faces or the two flat faces of said support piece by a layer of said at least magnetocaloric material.
- the method may further comprise a step of manufacturing several support pieces covered with magnetocaloric material by providing at least one passage for a heat transfer fluid between them, and thus forming a thermal element ready to be mounted in a thermal device.
- the method may further comprise a step of folding said support piece covered with magnetocaloric material so as to form in each bend at least one passage for a coolant.
- the process according to the invention may consist in carrying out step ii) by one of the processes chosen from electrolysis, catalysis, firing, electrostatism, screen printing, two-dimensional or three-dimensional printing. This allows for an intimate connection between the support piece and the magnetocaloric material which is applied to said support piece to form a monobloc magnetocaloric element.
- step ii) by spraying a powder of magnetocaloric material on said support piece or by immersing said support piece in a powder bath of magnetocaloric material.
- the method may comprise a step carried out before the spraying or immersion and consisting of depositing at least partially on the support part a layer of a binder selected from an adhesive, a resin, an adhesive.
- Step ii) may consist in depositing a mixture of binder and powder of magnetocaloric effect material.
- the support part can be made from one of the following processes: sintering, rolling, stamping, extrusion, molding, injection, blowing, thermoforming, calendering, profiling, machining, cutting, punching, bi or three-dimensional printing.
- the support piece may be made of a material selected from: a synthetic material, a composite material, a ceramic, fiberglass, a natural material, an artificial material, a combination of said materials.
- the invention also relates to a monobloc magnetocaloric element for a thermal apparatus, characterized in that it is produced according to the manufacturing method as defined above and in that it comprises at least one support piece having mechanical strength properties partially or completely covered by at least one magnetocaloric effect material.
- the invention relates to the use of at least one monobloc magnetocaloric element as defined above in a thermal apparatus.
- the present invention finally proposes a thermal apparatus comprising at least one monobloc magnetocaloric element as defined above, intended to be traversed by a heat transfer fluid circulating, said apparatus comprising a magnetic arrangement arranged to subject said magnetocaloric element to a variation of magnetic field and alternatively create in said magnetocaloric element a heating cycle and a cooling cycle.
- FIG. 1 represents a plate-shaped support piece on which a powdered magnetocaloric material is sprayed
- FIG. 2 is a view of a magnetocaloric element consisting of several plates made according to the method illustrated in FIG. 1,
- FIG. 3 represents a magnetocaloric element made by folding a plate already covered with a magnetocaloric material
- FIG. 4 represents a magnetocaloric element made according to another variant
- FIG. 5 represents two magnetocaloric elements of FIG. 4 recessed head to tail
- FIG. 6 shows a magnetocaloric element in the form of a lattice or an entanglement of support pieces in the form of wires covered with a magnetocaloric material. Illustrations of the invention and different ways of making it:
- the invention relates to a manufacturing method for producing a magnetocaloric element El, E2, E3, E4.
- This process essentially consists in manufacturing a support piece and covering it partially or entirely with a magnetocaloric material, thus making it possible to separate the magnetocaloric thermal function from the structural mechanical function of a magnetocaloric element.
- the function of the support piece is thus to ensure the mechanical strength in time of the magnetocaloric element El, E2, E3, E4, and in other words, to form its mechanical core.
- the material in which this support piece is made is capable of ensuring mechanical retention over time and does not need to have a magnetocaloric function or effect.
- This material preferably has a thermal conductivity lower than that of the magnetocaloric material, such as for example less than 10 watts per meter-Kelvin, so as not to induce a parasitic thermal flux detrimental to the establishment of the temperature gradient.
- It may in particular be a thermal insulator, such as for example a synthetic material, a composite material reinforced or not by fillers, fiberglass, a ceramic, a natural material, an artificial material, a mixture of said materials. It may for example be a woven or nonwoven product. It can also have a magnetocaloric effect if it is made of a composite material comprising particles of magnetocaloric material.
- the choice of the material constituting the support piece is essentially determined by its mechanical strength, the possibilities in terms of shape are much greater than in the present case where it is the magnetocaloric material itself which is worked. , machined, shaped, etc. to form the magnetocaloric element.
- this magnetocaloric material currently provides both the mechanical function of resistance to mechanical stresses and the magnetocaloric thermal function, that is to say the ability to produce a magnetocaloric effect under a magnetocaloric effect. magnetic solicitation.
- FIG. 1 represents for this purpose a plate-shaped support piece S 1 made for example of synthetic material, such as a thermoplastic, which has no magnetocaloric effect.
- This support piece SI can be obtained for example by a process of extrusion, molding, injection, blowing, thermoforming, rolling, calendering, profiling, sintering, machining, bi-printing. or three-dimensional, or the like.
- this support piece SI can be made of any other material compatible for its mechanical functions, with or without a magnetocaloric effect.
- a mixture of a binder with powder of magnetocaloric material 1 is vaporized on the surface of said support piece S 1.
- This mixture can be vaporized, depending on the desired result, or on a only one of its faces to form a single layer of magnetocaloric material, or on its two parallel faces and opposite to form two layers of magnetocaloric material disposed on either side of the support piece SI.
- a magnetocaloric element E1 formed by the combination of the support piece S1 and the powder of magnetocaloric material 1 is very easily obtained.
- the magnetocaloric element E1 simultaneously exhibits a stability and a mechanical rigidity and a magnetocaloric effect.
- the support piece SI can be immersed in a bath of powder of magnetocaloric material, this powder being able to be made fluid by via a gas, such as air, for example.
- the binder associated with the magnetocaloric material powder may be a glue, an adhesive, a resin, or the like.
- the objective is to intimately bond the magnetocaloric material 1 with the material constituting the support piece S1 in order to form a single-piece magnetocaloric element El in which the support piece and the magnetocaloric material are indissociable.
- a cooking step may be necessary to achieve this goal.
- the intimate connection between the magnetocaloric material and the material constituting the support part can also be obtained by other processes such as electrolysis, catalysis, firing, electrostatism, silkscreen, bi or three-dimensional printing.
- the magnetocaloric material is not necessary in a powder form, but may be in the form of beads, particles, flakes, pellets, wafers, sheets, etc. according to both the material constituting the support part and the manufacturing process.
- a thermal element 10 may then comprise a plurality of such magnetocaloric elements E1 in the form of plates which are, for example, arranged parallel to each other and spaced apart by means of spacers 2, so as to produce rectilinear channels allowing the passage of a heat transfer fluid.
- a thermal element 10 is shown in FIG. 2.
- This thermal element 10 can be obtained from a three-dimensional magnetocaloric element E1 or from several magnetocaloric elements E1 planes assembled by spacers.
- the spacers 2 may be inserts or parts integrated in the magnetocaloric elements El. They may for example be printed on the surface of the magnetocaloric elements E1 by any known and compatible 3D printing process.
- This support piece SI in plate form can also be folded in different places along folds parallel to each other, in order to delimit between the different folds passages for a heat transfer fluid.
- the magnetocaloric element E2 monoblock thus obtained is represented in FIG.
- the three-dimensional magnetocaloric element E3 can also be produced from a support part comprising a base 3 from which plates 4 parallel to each other extend and defining passages for a heat transfer fluid.
- the covering is ideally made by immersing said support piece in a powder bath of magnetocaloric material.
- a mono-bloc magnetocaloric element E3 such as that represented in FIG. 4.
- two magnetocaloric elements E3 according to FIG. 4 are assembled by a head-to-tail installation, a new thermal element 20 is obtained. according to Figure 5.
- the free space between the blades 4 can be reduced to 0.1 mm, while this is currently unachievable with known manufacturing techniques.
- FIG. 6 represents a single-piece magnetocaloric element E4 made from several semi-rigid wires forming a support piece, covered with a magnetocaloric material and entangled in each other through which a heat transfer fluid can circulate.
- the attached figures show the variety of forms made possible to achieve to manufacture a magnetocaloric element El, E2, E3, E4 according to the method of the invention.
- the rectangular plate shape illustrated in the figures is only an example and is not limiting.
- This shape may be formed of another geometric shape, or of any shape by virtue of the dissociation of the mechanical part of the magnetocaloric part in the magnetocaloric element.
- the shape of the support piece can be obtained by stamping, punching, cutting by any means such as laser, water jet, etc., It can in particular be wireframe, two-dimensional or three-dimensional, such as a cylinder, for example. These examples are not meant to be limiting.
- the invention also makes it possible to very simply manufacture magnetocaloric elements El, E2, E3, E4 whose temperature gradient is increased by the deposition on the support part of different magnetocaloric materials having different Curie temperatures in order to create adjacent regions in which the different Curie temperatures are arranged increasing or decreasing in the direction of circulation of the coolant on said magnetocaloric element.
- This deposit may consist of deposits of these different magnetocaloric materials either in layers partially or totally superimposed and offset in the direction of circulation of the coolant, each layer being made of one of the magnetocaloric materials, or side by side in the same layer, or in a combination of these two deposition techniques.
- the invention makes it possible to achieve the goals set, namely to separate the magnetocaloric thermal function from the mechanical strength and structure function of a magnetocaloric element El, E2, E3, E4 intended to generate a magnetocaloric effect when subjected to a magnetic induction of variable intensity.
- a magnetocaloric element whose shape is independent of the mechanical characteristics of the magnetocaloric material that it comprises or of which it is constituted, thus offering new possibilities for improving the thermal efficiency. of a magnetocaloric thermal apparatus.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1558509A FR3041086A1 (fr) | 2015-09-11 | 2015-09-11 | Procede de fabrication d'un element magnetocalorique monobloc, element magnetocalorique obtenu et appareil thermique comportant au moins un tel element magnetocalorique |
PCT/EP2016/071169 WO2017042266A1 (fr) | 2015-09-11 | 2016-09-08 | Procede de fabrication d'un element magnetocalorique monobloc, element magnetocalorique obtenu et appareil thermique comportant au moins un tel element magnetocalorique |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3347656A1 true EP3347656A1 (fr) | 2018-07-18 |
Family
ID=54707945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16774866.4A Withdrawn EP3347656A1 (fr) | 2015-09-11 | 2016-09-08 | Procede de fabrication d'un element magnetocalorique monobloc, element magnetocalorique obtenu et appareil thermique comportant au moins un tel element magnetocalorique |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3347656A1 (fr) |
CN (1) | CN107949757A (fr) |
FR (1) | FR3041086A1 (fr) |
WO (1) | WO2017042266A1 (fr) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
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US10541070B2 (en) | 2016-04-25 | 2020-01-21 | Haier Us Appliance Solutions, Inc. | Method for forming a bed of stabilized magneto-caloric material |
US10299655B2 (en) | 2016-05-16 | 2019-05-28 | General Electric Company | Caloric heat pump dishwasher appliance |
US10281177B2 (en) | 2016-07-19 | 2019-05-07 | Haier Us Appliance Solutions, Inc. | Caloric heat pump system |
US10222101B2 (en) | 2016-07-19 | 2019-03-05 | Haier Us Appliance Solutions, Inc. | Linearly-actuated magnetocaloric heat pump |
US10274231B2 (en) | 2016-07-19 | 2019-04-30 | Haier Us Appliance Solutions, Inc. | Caloric heat pump system |
US10047980B2 (en) | 2016-07-19 | 2018-08-14 | Haier Us Appliance Solutions, Inc. | Linearly-actuated magnetocaloric heat pump |
US10047979B2 (en) | 2016-07-19 | 2018-08-14 | Haier Us Appliance Solutions, Inc. | Linearly-actuated magnetocaloric heat pump |
US10295227B2 (en) | 2016-07-19 | 2019-05-21 | Haier Us Appliance Solutions, Inc. | Caloric heat pump system |
US10443585B2 (en) | 2016-08-26 | 2019-10-15 | Haier Us Appliance Solutions, Inc. | Pump for a heat pump system |
US10386096B2 (en) | 2016-12-06 | 2019-08-20 | Haier Us Appliance Solutions, Inc. | Magnet assembly for a magneto-caloric heat pump |
US10288326B2 (en) | 2016-12-06 | 2019-05-14 | Haier Us Appliance Solutions, Inc. | Conduction heat pump |
US11009282B2 (en) | 2017-03-28 | 2021-05-18 | Haier Us Appliance Solutions, Inc. | Refrigerator appliance with a caloric heat pump |
US10527325B2 (en) | 2017-03-28 | 2020-01-07 | Haier Us Appliance Solutions, Inc. | Refrigerator appliance |
US10451320B2 (en) | 2017-05-25 | 2019-10-22 | Haier Us Appliance Solutions, Inc. | Refrigerator appliance with water condensing features |
US10422555B2 (en) | 2017-07-19 | 2019-09-24 | Haier Us Appliance Solutions, Inc. | Refrigerator appliance with a caloric heat pump |
US10451322B2 (en) | 2017-07-19 | 2019-10-22 | Haier Us Appliance Solutions, Inc. | Refrigerator appliance with a caloric heat pump |
US10520229B2 (en) | 2017-11-14 | 2019-12-31 | Haier Us Appliance Solutions, Inc. | Caloric heat pump for an appliance |
US11022348B2 (en) | 2017-12-12 | 2021-06-01 | Haier Us Appliance Solutions, Inc. | Caloric heat pump for an appliance |
US10641539B2 (en) | 2018-04-18 | 2020-05-05 | Haier Us Appliance Solutions, Inc. | Magneto-caloric thermal diode assembly |
US10551095B2 (en) | 2018-04-18 | 2020-02-04 | Haier Us Appliance Solutions, Inc. | Magneto-caloric thermal diode assembly |
US10876770B2 (en) | 2018-04-18 | 2020-12-29 | Haier Us Appliance Solutions, Inc. | Method for operating an elasto-caloric heat pump with variable pre-strain |
US10782051B2 (en) | 2018-04-18 | 2020-09-22 | Haier Us Appliance Solutions, Inc. | Magneto-caloric thermal diode assembly |
US10557649B2 (en) | 2018-04-18 | 2020-02-11 | Haier Us Appliance Solutions, Inc. | Variable temperature magneto-caloric thermal diode assembly |
US10648704B2 (en) | 2018-04-18 | 2020-05-12 | Haier Us Appliance Solutions, Inc. | Magneto-caloric thermal diode assembly |
US10648706B2 (en) | 2018-04-18 | 2020-05-12 | Haier Us Appliance Solutions, Inc. | Magneto-caloric thermal diode assembly with an axially pinned magneto-caloric cylinder |
US10648705B2 (en) | 2018-04-18 | 2020-05-12 | Haier Us Appliance Solutions, Inc. | Magneto-caloric thermal diode assembly |
US11015842B2 (en) | 2018-05-10 | 2021-05-25 | Haier Us Appliance Solutions, Inc. | Magneto-caloric thermal diode assembly with radial polarity alignment |
US10989449B2 (en) | 2018-05-10 | 2021-04-27 | Haier Us Appliance Solutions, Inc. | Magneto-caloric thermal diode assembly with radial supports |
US11054176B2 (en) | 2018-05-10 | 2021-07-06 | Haier Us Appliance Solutions, Inc. | Magneto-caloric thermal diode assembly with a modular magnet system |
US10684044B2 (en) | 2018-07-17 | 2020-06-16 | Haier Us Appliance Solutions, Inc. | Magneto-caloric thermal diode assembly with a rotating heat exchanger |
US11092364B2 (en) | 2018-07-17 | 2021-08-17 | Haier Us Appliance Solutions, Inc. | Magneto-caloric thermal diode assembly with a heat transfer fluid circuit |
US11193697B2 (en) | 2019-01-08 | 2021-12-07 | Haier Us Appliance Solutions, Inc. | Fan speed control method for caloric heat pump systems |
US11274860B2 (en) | 2019-01-08 | 2022-03-15 | Haier Us Appliance Solutions, Inc. | Mechano-caloric stage with inner and outer sleeves |
US11168926B2 (en) | 2019-01-08 | 2021-11-09 | Haier Us Appliance Solutions, Inc. | Leveraged mechano-caloric heat pump |
US11149994B2 (en) | 2019-01-08 | 2021-10-19 | Haier Us Appliance Solutions, Inc. | Uneven flow valve for a caloric regenerator |
US11112146B2 (en) | 2019-02-12 | 2021-09-07 | Haier Us Appliance Solutions, Inc. | Heat pump and cascaded caloric regenerator assembly |
US11015843B2 (en) | 2019-05-29 | 2021-05-25 | Haier Us Appliance Solutions, Inc. | Caloric heat pump hydraulic system |
JP2020204443A (ja) * | 2019-06-19 | 2020-12-24 | 信越化学工業株式会社 | シース一体型磁気冷凍部材、その製造方法及び磁気冷凍システム |
US20200406356A1 (en) * | 2019-06-26 | 2020-12-31 | Haier Us Appliance Solutions, Inc. | Method for additively forming a caloric regenerator |
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JP4055709B2 (ja) * | 2001-07-31 | 2008-03-05 | 日立金属株式会社 | アトマイズ法によるナノコンポジット磁石の製造方法 |
US7008544B2 (en) * | 2002-05-08 | 2006-03-07 | Marine Desalination Systems, L.L.C. | Hydrate-based desalination/purification using permeable support member |
WO2004003100A1 (fr) * | 2002-07-01 | 2004-01-08 | Nanjing University | Procede de mise en forme et de fabrication de materiaux de refrigeration magnetiques a temperature ambiante a conductivite thermique elevee |
US9175885B2 (en) * | 2007-02-12 | 2015-11-03 | Vacuumschmelze Gmbh & Co. Kg | Article made of a granular magnetocalorically active material for heat exchange |
FR2936364B1 (fr) * | 2008-09-25 | 2010-10-15 | Cooltech Applications | Element magnetocalorique |
US9403323B2 (en) * | 2009-03-24 | 2016-08-02 | Basf Se | Printing method for producing thermomagnetic form bodies for heat exchangers |
GB201111235D0 (en) * | 2011-06-30 | 2011-08-17 | Camfridge Ltd | Multi-Material-Blade for active regenerative magneto-caloric or electro-caloricheat engines |
JP5966740B2 (ja) * | 2011-09-14 | 2016-08-10 | 日産自動車株式会社 | 磁性構造体およびこれを用いた磁気冷暖房装置 |
CN103090583B (zh) * | 2011-10-31 | 2016-03-09 | 台达电子工业股份有限公司 | 磁制冷装置及其磁热模块 |
FR2994252B1 (fr) * | 2012-08-01 | 2014-08-08 | Cooltech Applications | Piece monobloc comprenant un materiau magnetocalorique ne comprenant pas un alliage comprenant du fer et du silicium et un lanthanide, et generateur thermique comprenant ladite piece |
-
2015
- 2015-09-11 FR FR1558509A patent/FR3041086A1/fr active Pending
-
2016
- 2016-09-08 CN CN201680052259.8A patent/CN107949757A/zh active Pending
- 2016-09-08 EP EP16774866.4A patent/EP3347656A1/fr not_active Withdrawn
- 2016-09-08 WO PCT/EP2016/071169 patent/WO2017042266A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2017042266A1 (fr) | 2017-03-16 |
FR3041086A1 (fr) | 2017-03-17 |
CN107949757A (zh) | 2018-04-20 |
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