FR2489939A1 - Mechanical energy to magnetic water heater - has magnetic rotor inducing heat in stator to heat water - Google Patents

Mechanical energy to magnetic water heater - has magnetic rotor inducing heat in stator to heat water Download PDF

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Publication number
FR2489939A1
FR2489939A1 FR8019450A FR8019450A FR2489939A1 FR 2489939 A1 FR2489939 A1 FR 2489939A1 FR 8019450 A FR8019450 A FR 8019450A FR 8019450 A FR8019450 A FR 8019450A FR 2489939 A1 FR2489939 A1 FR 2489939A1
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France
Prior art keywords
heat
stator
heating part
magnetic
magnetic field
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Application number
FR8019450A
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French (fr)
Inventor
Dominique Lami
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COMMERCE INTERNAL ECHANGES TEC
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COMMERCE INTERNAL ECHANGES TEC
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Priority to FR8019450A priority Critical patent/FR2489939A1/en
Publication of FR2489939A1 publication Critical patent/FR2489939A1/en
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/109—Induction heating apparatus, other than furnaces, for specific applications using a susceptor using magnets rotating with respect to a susceptor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24V—COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR
    • F24V99/00—Subject matter not provided for in other main groups of this subclass
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Wind Motors (AREA)

Abstract

The magnetic water heater consists of a shaft (1) carrying a multi-pole rotor (2) with permanent magnets (3) at the pole tips. The rotor is enclosed by a cylindrical steel stator (4) itself surrounded by a water cooling coil (5). The whole assembly is thermally insulated (6). Rotation of the rotor produces a magnetic field in the stator inducing heating currents. Heat is further produced by the hysteresis effect of the varying magnetic fields in the stator. The stator is cooled by the water flowing through the coil (5).

Description

La présente invention se rapporte à un procédé et un appareil de production de chaleur applicables à la fourniture d'eau chaude sanitaire ou d'eau chaude pour radiateur de chauffage. The present invention relates to a method and an apparatus for producing heat applicable to the supply of domestic hot water or hot water for a heating radiator.

Il est particulièrement destiné à la fourniture de chaleur à partir de l'énergie éolienne, l'énergie hydraulique..., et peut éventuellement être associé aux capteurs ayant pour principe le chauffage direct d'un fluide à partir du rayonnement solaire. It is particularly intended for the supply of heat from wind energy, hydraulic energy, etc., and can optionally be combined with sensors having as a principle the direct heating of a fluid from solar radiation.

On connaît le ralentisseur ou frein à courants de
Foucault. I1 est constitué d'un stator inducteur produisant un champ magnétique à l'intérieur duquel un rotor massif produit un couple dès qu'il se met en rotation. L'énergie mécanique transmise au disque rotorique est ainsi transformée en chaleur dans le disque.We know the retarder or brake current
Foucault. I1 consists of an inductor stator producing a magnetic field inside which a massive rotor produces a torque as soon as it starts to rotate. The mechanical energy transmitted to the rotor disc is thus transformed into heat in the disc.

Le ralentisseur à courants de Foucault peut également se présenter sous une forme tubulaire, et le rotor est alors réalisé en forme de cloche. Dans ce cas, l'énergie mécanique transmise est dissipée en chaleur dans la cloche. The eddy current retarder can also be in a tubular form, and the rotor is then made in the shape of a bell. In this case, the mechanical energy transmitted is dissipated as heat in the bell.

La présente invention vise un procédé et un appareil de production de chaleur par transformation directe d'une énergie mécanique en chaleur en tirant profit des pertes par courants de Foucault et des pertes par hystérésis engendrées par deux pièces en mouvement relatif l'une par rapport à l'autre, dont l'une produit un champ magnétique (soit grâce à un aimant ou des aimants permanents, soit grâce à un courant électrique) et dont l'autre sert d'élément chauffant pour la fourniture d'eau chaude sanitaire ou d'eau chaude pour radiateur de chauffage. The present invention relates to a method and an apparatus for producing heat by direct transformation of mechanical energy into heat by taking advantage of the losses by eddy currents and the losses by hysteresis generated by two parts in relative motion, one with respect to the other, one of which produces a magnetic field (either through a magnet or permanent magnets, or through an electric current) and the other of which serves as a heating element for the supply of domestic hot water or hot water for heating radiator.

L'appareil selon l'invention peut ainsi, dans son application, être considéré comme un chauffe-eau magnétique. The device according to the invention can thus, in its application, be considered as a magnetic water heater.

Ce chauffe-eau magnétique, équipé d'une hélice, permet de transformer l'énergie éolienne en chaleur pour constituer, par exemple, un chauffe-au éolien. This magnetic water heater, equipped with a propeller, transforms wind energy into heat to constitute, for example, a wind turbine heater.

Ce chauffe-eau magnétique, équipé d'une turbine à eau ou d'une roue à aubes, permet de transformer l'énergie d'un cours d'eau en chaleur pour des besoins domestiques par exemple.  This magnetic water heater, equipped with a water turbine or an impeller, transforms the energy of a watercourse into heat for domestic needs for example.

Ce chauffe-eau magnétique, équipé d'une enveloppe semi-calorifique, peut constituer, par exemple, un chauffe-eau mixte solaire-éolien. This magnetic water heater, equipped with a semi-calorific envelope, can constitute, for example, a mixed solar-wind water heater.

Dans l'appareil selon l'invention, les rôles du rotor et du stator sont inversés par rapport au frein à courants de Foucault. De plus, l'excitation y est, de préférence, réalisée par des aimants permanents afin de simplifier au maximum l'appareil et de permettre son fonctionnement sans source d'énergie extérieure. I1 comporte par ailleurs un circuit de circulation d'un fluide caloporteur (serpentin par exemple) et -une enveloppe calorifuge. In the apparatus according to the invention, the roles of the rotor and the stator are reversed with respect to the eddy current brake. In addition, excitation is preferably carried out by permanent magnets in order to simplify the device as much as possible and to allow it to operate without an external energy source. I1 also includes a circulation circuit for a heat transfer fluid (coil for example) and a heat-insulating envelope.

D'autres caractér-istiques et avantages de la présente invention ressortiront de la description qui va suivre faite en regard du dessin annexé sur lequel
- la figure 1 est une vue en section droite d'un exemple de réalisation d'un appareil selon l'invention, de forme tubulaire t
- la figure 2 en est une vue en coupe suivant la ligne II-II de la figure 1 ;
- la figure 3 est une vue en section droite d'un exemple de réalisation d'un appareil selon l'invention, de forme circulaire aplatie ;
- la figure 4 en est une vue en coupe suivant la ligne IV-IV de la figure 3.Other characteristics and advantages of the present invention will emerge from the description which follows, given with reference to the appended drawing in which
- Figure 1 is a cross-sectional view of an embodiment of an apparatus according to the invention, of tubular form t
- Figure 2 is a sectional view along the line II-II of Figure 1;
- Figure 3 is a cross-sectional view of an embodiment of an apparatus according to the invention, of flattened circular shape;
- Figure 4 is a sectional view along the line IV-IV of Figure 3.

Dans la forme de réalisation représentée aux figures 1 et 2, un chauffe-eau magnétique tubulaire selon l'invention comprend, depuis le centre vers l'extérieur, un arbre ou axe moteur 1, calé sur cet arbre un rotor multipolaire 2 à aimants permanents 3, un stator cylindrique 4 en acier doux, un circuit de circulation de fluide caloporteur 5 entourant le stator et une enveloppe calorifuge 6 entourant le circuit 5 et l'ensemble de l'appareil, en laissant un passage pour l'arbre moteur. In the embodiment shown in Figures 1 and 2, a tubular magnetic water heater according to the invention comprises, from the center outwards, a motor shaft or axis 1, wedged on this shaft a multipolar rotor 2 with permanent magnets 3, a cylindrical stator 4 made of mild steel, a circuit for circulation of heat-transfer fluid 5 surrounding the stator and a heat-insulating envelope 6 surrounding the circuit 5 and the whole of the apparatus, leaving a passage for the motor shaft.

Le rotor 2 est prévu pour produire le champ magnétique faisant apparaître dans la masse statorique les courants induits de Foucault. L'échauffement de la masse statorique qui en résulte est alors mis à profit pour chauffer le fluide caloporteur qui circule dans le circuit 5.  The rotor 2 is designed to produce the magnetic field showing the eddy currents in the stator mass. The heating of the stator mass which results therefrom is then used to heat the heat transfer fluid which circulates in the circuit 5.

Les pertes par hystérésis contribuent à l'échauffement de la masse statorique et donc à celle du circuit 5. Hysteresis losses contribute to the heating of the stator mass and therefore to that of circuit 5.

Le circuit 5 peut, avantageusement, à l'aide d'un échangeur, transmettre la chaleur récupérée à un réservoir de stockage relié à une arrivée d'eau de ville et alimentant un circuit d'au chaude sanitaire et/ou un circuit de chauffage à radiateurs (non représenté). Circuit 5 can, advantageously, using an exchanger, transmit the recovered heat to a storage tank connected to a city water supply and supplying a domestic hot water circuit and / or a heating circuit. with radiators (not shown).

L'arbre 1 peut être mû, par exemple, par une hélice d'éolienne ou par une toute autre source d'énergie comme une énergie hydraulique à turbine ou à roue à aubes. The shaft 1 can be driven, for example, by a wind turbine propeller or by any other source of energy such as hydraulic power with a turbine or a paddle wheel.

Dans la variante de réalisation d'un appareil selon l'invention, de forme générale circulaire aplatie, représentée aux figures 3 et 4, le rotor 2A est constitué par une culasse en forme de disque calé sur l'arbre moteur 1 et porant des aimants permanents 3A sur l'une de ses faces. En vis-à-vis de la culasse rotorique est disposé une masse statorique 4A également en forme de disque et communiquant son échauffement, obtenu par pertes par courants de Foucault et par pertes par hystérésis, à un circuit de circulation de fluide caloporteur 5A. In the variant embodiment of an apparatus according to the invention, of generally flattened circular shape, shown in FIGS. 3 and 4, the rotor 2A is constituted by a disc-shaped cylinder head wedged on the motor shaft 1 and bearing magnets permanent 3A on one of its faces. Opposite the rotor cylinder head is arranged a stator mass 4A also in the form of a disc and communicating its heating, obtained by eddy current losses and by hysteresis losses, to a heat transfer fluid circulation circuit 5A.

L'appareil, selon cette variante, est entouré par une enveloppe en deux parties constituée d'un boitier calorifuge 6A et par un couvercle semi-calorifuge 6B. Le boîtier 6A reçoit l'ensemble constitué par la culasse rotorique 2A, la masse statorique 4A et le circuit 5A, en laissant un passage pour l'axe moteur 1, et le couvercle 6B se referme sur cet ensemble. Ce couvercle 6B, semicalorifuge, peut être soumis sur sa face externe au rayonnement solaire ce qui constitue pour le chaufe-eau un apport supplémentaire de calories. The device, according to this variant, is surrounded by a two-part envelope consisting of a heat-insulating casing 6A and by a semi-insulating cover 6B. The housing 6A receives the assembly constituted by the rotor cylinder head 2A, the stator mass 4A and the circuit 5A, leaving a passage for the motor axis 1, and the cover 6B closes on this assembly. This cover 6B, semicalorifuge, can be subjected on its external face to the solar radiation which constitutes for the boiler-water an additional contribution of calories.

Le circuit 5A, dans cette variante, est constitué par un enroulement à plat de serpentin alors que dans la forme de réalisation des figures 1 et 2, le circuit 5 est constitué par un enroulement en hélice de serpentin, autour du stator cylindrique 4. The circuit 5A, in this variant, consists of a flat coil winding whereas in the embodiment of FIGS. 1 and 2, the circuit 5 consists of a helical coil winding, around the cylindrical stator 4.

I1 est bien entendu que la présente invention n'a été décrite et représentée qu'à titre d'exemple préférentiel et que l'on pourra apporter des équivalences dans ses éléments constitutifs sans, pour autant, sortir du cadre de ladite invention.  It is understood that the present invention has only been described and shown as a preferred example and that it will be possible to provide equivalences in its constituent elements without, however, departing from the scope of said invention.

Claims (12)

REVENDICATIONS 1. Procédé de production de chaleur à partir d'une énergie mécanique, applicable notamment à la fourniture d'eau chaude sanitaire et/ou d'eau chaude pour installations de chauffage, caractérisé en ce qu'il consiste à transformer directement l'énergie mécanique considérée en chaleur, en tirant profit des pertes par courants de Foucault et des pertes par hystérésis engendrées dans une pièce chauffante (4-4A), du fait d'un mouvement relatif imposé entre ladite pièce chauffante et un champ magnétique. 1. A method of producing heat from mechanical energy, applicable in particular to the supply of domestic hot water and / or hot water for heating installations, characterized in that it consists in directly transforming the energy mechanical considered as heat, taking advantage of the eddy current losses and hysteresis losses generated in a heating part (4-4A), due to a relative movement imposed between said heating part and a magnetic field. 2. Procédé selon la revendication 1, caractérisé en ce qu'il consiste à soumettre une pièce chauffante fixe (4-4A) à un champ magnétique variable. 2. Method according to claim 1, characterized in that it consists in subjecting a fixed heating part (4-4A) to a variable magnetic field. 3. Procédé selon l'une quelconque des revendications 1 et 2, caractérisé en ce que le champ magnétique est produit par aimant permanent (3-3A). 3. Method according to any one of claims 1 and 2, characterized in that the magnetic field is produced by permanent magnet (3-3A). 4. Procédé selon l'une quelconque des revendications 1 et 2, caractérisé en ce que le champ magnétique est produit par courant électrique. 4. Method according to any one of claims 1 and 2, characterized in that the magnetic field is produced by electric current. 5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'énergie mécanique transformée directement en chaleur est l'énergie éolienne. 5. Method according to any one of claims 1 to 4, characterized in that the mechanical energy transformed directly into heat is wind energy. 6. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'énergie mécanique transformée directement en chaleur est l'énergie hydraulique. 6. Method according to any one of claims 1 to 4, characterized in that the mechanical energy transformed directly into heat is hydraulic energy. 7. Appareil de production de chaleur mettant en oeuvre le procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'il comprend une pièce chauffante statorique (4-4A) une pièce rotorique (2-2A) engendrant un champ magnétique et un capteur de chaleur (5). 7. heat production apparatus implementing the method according to any one of claims 1 to 6, characterized in that it comprises a stator heating part (4-4A) a rotor part (2-2A) generating a field magnetic and a heat sensor (5). 8. Appareil selon la revendication 7, caractérisé en ce que le capteur de chaleur est un circuit (5) de circulation de fluide caloporteur susceptible de transmettre la chaleur récupérée à une installation d'eau chaude sanitaire et/ou de chauffage à radiateurs. 8. Apparatus according to claim 7, characterized in that the heat sensor is a circuit (5) for circulation of heat transfer fluid capable of transmitting the recovered heat to a domestic hot water and / or radiator heating installation. 9. Appareil selon l'une quelconque des revendications 7 et 8, caractérisé en ce que la pièce chauffante statorique est un cylindre (4) la pièce rotorique (2) est comprise dans ledit cylindre et le circuit à fluide caloporteur (5) est un serpentin enroulé en hélice autour de la pièce chauffante cylindrique, la disposition générale de l'appareil étant tubulaire. 9. Apparatus according to any one of claims 7 and 8, characterized in that the stator heating part is a cylinder (4) the rotor part (2) is included in said cylinder and the heat transfer fluid circuit (5) is a coil wound in a helix around the cylindrical heating part, the general arrangement of the device being tubular. 10. Appareil selon la revendication 9, caractérisé en ce qu'une enveloppe calorifuge (6) entoure l'ensemble de l'appareil. 10. Apparatus according to claim 9, characterized in that a heat-insulating envelope (6) surrounds the entire apparatus. 11. Appareil selon l'une quelconque des revendications 7 et 8, caractérisé en ce que la pièce chauffante statorique est un disque (4A) la pièce rotorique est également un disque (2A) et le circuit à fluide caloporteur est un serpentin (5A) enroulé à plat, la disposition générale de l'appareil étant circulaire aplatie. 11. Apparatus according to any one of claims 7 and 8, characterized in that the stator heating part is a disc (4A) the rotor part is also a disc (2A) and the coolant circuit is a coil (5A) wound flat, the general arrangement of the device being flattened circular. 12. Appareil selon l'une quelconque des revendications 7 à 11, caractérisé en ce qu'il est entouré dans une enveloppe (6A-6B) dont une partie (6B) est semi-calorifuge et soumise, à l'extérieur, au rayonnement solaire, d'où un apport supplémentaire de calories pour le circuit à fluide caloporteur.  12. Apparatus according to any one of claims 7 to 11, characterized in that it is surrounded in an envelope (6A-6B) of which a part (6B) is semi-insulating and subjected, outside, to radiation solar, hence an additional supply of calories for the heat transfer fluid circuit.
FR8019450A 1980-09-09 1980-09-09 Mechanical energy to magnetic water heater - has magnetic rotor inducing heat in stator to heat water Withdrawn FR2489939A1 (en)

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FR8019450A FR2489939A1 (en) 1980-09-09 1980-09-09 Mechanical energy to magnetic water heater - has magnetic rotor inducing heat in stator to heat water

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514966A1 (en) * 1981-10-16 1983-04-22 Materiel Magnetique HEAT ROTATION KINETIC ENERGY CONVERTER BY GENERATING FOUCAULT CURRENTS
WO1996020377A1 (en) * 1994-12-23 1996-07-04 Anatoly Fedorovich Kladov Method of obtaining energy
WO1996033374A1 (en) * 1995-04-18 1996-10-24 Nikolai Ivanovich Selivanov Method of heating a liquid and a device therefor
WO1997046051A1 (en) * 1996-05-29 1997-12-04 Railfix N.V. Boiler with permanent magnets
FR2777411A1 (en) * 1998-04-09 1999-10-15 Usui Kokusai Sangyo Kk Eddy current induction heater for auxiliary heating of engine cooling water for improving starting performance of engine
FR2779025A1 (en) * 1998-05-19 1999-11-26 Usui Kokusai Sangyo Kk Rapid heating and forced circulation of fluids, particularly applicable to starting internal combustion engines in cold climatic conditions
EP1130749A1 (en) * 2000-03-03 2001-09-05 Daniel Drecq Eddy current retarder
WO2001096793A1 (en) * 2000-06-16 2001-12-20 Antropov, Andrey Valerievich Method for heat production
WO2003025474A1 (en) * 2001-09-19 2003-03-27 Sergey Borisovich Osipenko Hydrodynamic heater for a fluid medium
CN102852732A (en) * 2012-10-18 2013-01-02 镇江市博林光电科技有限公司 Magnetic eddy-current type kinetic energy-to-heat energy heat storing device
RU2539962C2 (en) * 2009-03-04 2015-01-27 Эффмаг Ой Method, device and system for heating of object by electromagnetic induction
WO2017144057A1 (en) * 2016-02-24 2017-08-31 Löhr, Mirja Liane Apparatus for generating heat
CN108141919A (en) * 2015-10-08 2018-06-08 住友电气工业株式会社 Induction heating apparatus and electricity generation system
RU2667733C2 (en) * 2016-10-03 2018-09-24 Олег Валерьевич Гринавцев Rotary heater
CN111692273A (en) * 2020-06-29 2020-09-22 北京金风科创风电设备有限公司 Hybrid damping module, vibration suppression device, vibration suppression method and wind generating set
US12129905B2 (en) 2020-06-29 2024-10-29 Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. Hybrid damping module, vibration suppression device, vibration suppression method, and wind turbine set

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2626574A1 (en) * 1976-06-14 1977-12-22 Alfons Dipl Ing Roschel Wind driven heat generator - has prefabricated fixed and moving elements with holes for bolts dowels or clamps, to produce heat

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2626574A1 (en) * 1976-06-14 1977-12-22 Alfons Dipl Ing Roschel Wind driven heat generator - has prefabricated fixed and moving elements with holes for bolts dowels or clamps, to produce heat

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514966A1 (en) * 1981-10-16 1983-04-22 Materiel Magnetique HEAT ROTATION KINETIC ENERGY CONVERTER BY GENERATING FOUCAULT CURRENTS
EP0077702A2 (en) * 1981-10-16 1983-04-27 Le Materiel Magnetique Converter of rotary kinetic energy into heat by generation of eddy currents
EP0077702A3 (en) * 1981-10-16 1983-07-06 Le Materiel Magnetique Converter of rotary kinetic energy into heat by generation of eddy currents
WO1996020377A1 (en) * 1994-12-23 1996-07-04 Anatoly Fedorovich Kladov Method of obtaining energy
WO1996033374A1 (en) * 1995-04-18 1996-10-24 Nikolai Ivanovich Selivanov Method of heating a liquid and a device therefor
US6016798A (en) * 1995-04-18 2000-01-25 Advanced Molecular Technologies Llc Method of heating a liquid and a device therefor
WO1997046051A1 (en) * 1996-05-29 1997-12-04 Railfix N.V. Boiler with permanent magnets
FR2777411A1 (en) * 1998-04-09 1999-10-15 Usui Kokusai Sangyo Kk Eddy current induction heater for auxiliary heating of engine cooling water for improving starting performance of engine
GB2336751A (en) * 1998-04-09 1999-10-27 Usui Kokusai Sangyo Kk Eddy current induction heater
GB2336751B (en) * 1998-04-09 2003-08-06 Usui Kokusai Sangyo Kk Magnetic heater
FR2779025A1 (en) * 1998-05-19 1999-11-26 Usui Kokusai Sangyo Kk Rapid heating and forced circulation of fluids, particularly applicable to starting internal combustion engines in cold climatic conditions
WO2001065672A1 (en) * 2000-03-03 2001-09-07 Daniel Drecq Cooling a brake activated by foucault currents
FR2805937A1 (en) * 2000-03-03 2001-09-07 Daniel Drecq EDGE CURRENT BRAKING DEVICE AND HEAT EXCHANGER FOR EDGE CURRENT BRAKING DEVICE
US6478126B2 (en) 2000-03-03 2002-11-12 Daniel Drecq Eddy-current brake device
EP1130749A1 (en) * 2000-03-03 2001-09-05 Daniel Drecq Eddy current retarder
WO2001096793A1 (en) * 2000-06-16 2001-12-20 Antropov, Andrey Valerievich Method for heat production
WO2003025474A1 (en) * 2001-09-19 2003-03-27 Sergey Borisovich Osipenko Hydrodynamic heater for a fluid medium
RU2539962C2 (en) * 2009-03-04 2015-01-27 Эффмаг Ой Method, device and system for heating of object by electromagnetic induction
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