[go: up one dir, main page]

WO2008017373A1 - Support de bobine pour inducteur - Google Patents

Support de bobine pour inducteur Download PDF

Info

Publication number
WO2008017373A1
WO2008017373A1 PCT/EP2007/006457 EP2007006457W WO2008017373A1 WO 2008017373 A1 WO2008017373 A1 WO 2008017373A1 EP 2007006457 W EP2007006457 W EP 2007006457W WO 2008017373 A1 WO2008017373 A1 WO 2008017373A1
Authority
WO
WIPO (PCT)
Prior art keywords
induction
coil
inductor
coil carrier
strip conductor
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.)
Ceased
Application number
PCT/EP2007/006457
Other languages
German (de)
English (en)
Inventor
Thomas Haag
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Publication of WO2008017373A1 publication Critical patent/WO2008017373A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
    • 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
    • H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/02—Induction heating
    • H05B2206/022—Special supports for the induction coils
    • 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
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the invention relates to a coil carrier for an inductor, in particular for an induction cooking, according to the preamble of claim 1, and a method for producing the same.
  • the invention further relates to an induction heating device for an induction cooker and an induction hob comprising an induction heater.
  • inductors or induction coils for an induction cooker on a bobbin.
  • the inductor or the induction coil is usually fed by a generator.
  • a magnetic circuit can be provided underneath the inductor or induction coil on the coil carrier, by means of which the magnetic field generated by the inductor or the induction coil is to be directed to vessels to be heated.
  • the magnetic return means are preferably ferrite rods. Partly ferrites are also fixed only with adhesive film.
  • the bobbin is usually made of plastic. Due to the high temperatures that can be generated at the inductor, a plastic is to use, which has a high temperature resistance. In addition, it is known from EP 0 713 351 A1 to Mold carrier with receiving chambers made of a cement mortar with magnesium powder.
  • the invention has also set itself the task of creating an induction heater and an induction cooker comprising a coil carrier according to the invention.
  • a coil carrier for an inductor in particular for an induction coil for an induction cooking point, is formed from a mixture with an inorganic, hydraulically acting binder and / or polymer concrete and ferrite powder.
  • the mixture becomes a moldable mass by adding a fluid, especially water. Due to the amount of embedded ferrite powder, a permeability of the coil carrier can be set almost arbitrarily within a wide spectrum.
  • the ferrite powder makes it possible to better guide the field produced on an induction coil, as in the case of conventional ferrite rods, since the permeable material can be distributed over the surface in the coil carrier. In addition, the costs of ferrite powder are much lower than for ferrite rods.
  • an inorganic, hydraulically acting binder and / or a polymer concrete is a simple and inexpensive production of a bobbin, for example, with the addition of water by molding, possible. After the curing time, the bobbin is in a suitable form, in particular as a flat disk before.
  • the inorganic binder and / or the polymer concrete have a high heat resistance.
  • the properties of the polymer concrete are advantageously characterized by an aggregate, so that difficulties that can occur when incorporating ferrite in plastic, are avoided.
  • the mixture comprises an aggregate.
  • the aggregate also known as concrete aggregate, is a mixture of broken or unbroken grains of the same or different size made of natural or artificial materials, in particular mineral substances.
  • the choice of aggregate certain characteristics of the bobbin, such as temperature resistance or strength can be fixed.
  • the binder is cement, alkali silicate, fly ash, slag, gypsum and / or lime.
  • Such inorganic binders are available inexpensively as a raw material.
  • the admixture of water or other fluid creates a good mouldable mass, in which the ferrite powder is einbindbar. After hardening of the mass is a temperature, water and space-resistant bobbin before.
  • the mixture comprises a filler, in particular vermiculite, quartz sand and / or aluminum oxide.
  • a filler in particular vermiculite, quartz sand and / or aluminum oxide.
  • the mixture is pressed into a shell or a receiving plate and / or cast.
  • the coil carrier can remain in the tray or the receiving plate after curing. This tray or this receiving plate makes a support plate unnecessary.
  • an inductor in particular an induction coil
  • the inductor is secured in one embodiment during the curing time on the bobbin.
  • the inductor for example an induction coil, can be securely fixed on the coil carrier. Alternatively or additionally, the inductor can be fixed after curing on the bobbin.
  • At the bobbin is / are to this Purpose formed in one embodiment, one or more grooves.
  • the induction coil is in one embodiment a copper winding.
  • an inductor is cast into the coil carrier.
  • the inductor can be securely fixed on the coil carrier.
  • the coil carrier is formed by a punch, wherein the inductor, in particular the induction coil is pressed by the punch in the bobbin.
  • the bobbin is inexpensive to produce with great accuracy, the induction coil is securely fixed in one step to the bobbin.
  • the induction coil has a strip conductor of aluminum, wherein the surface of the aluminum strip conductor is anodized.
  • an induction heating device for an induction cooking station comprising an induction coil and a coil carrier formed from a temperature-resistant mixture.
  • Such an induction heater is particularly inexpensive to produce. Due to the good temperature resistance, no additional temperature insulation between the windings of the inductor is required.
  • the inductor in particular the induction coil, is pressed into the coil carrier.
  • the- Production coil is fixed in a simple manner during the manufacture of the bobbin on this.
  • the inductor in particular the induction coil, a strip conductor made of aluminum, wherein the surface of the aluminum strip conductor is anodized.
  • the strip conductor is anodized before being deformed into the final shape of the induction coil.
  • the anodization takes place after deformation. This depends above all on whether and how such deformation takes place.
  • the e-anodized aluminum strip conductor can be connected directly to the coil carrier without additional insulation.
  • the strip conductor is edgewise.
  • the strip conductor is in an advantageous embodiment at least twice or even at least three times as thick as thick. This allows a relatively compact arrangement of several turns of the induction coil, which can lead due to their large cross-sectional area by standing upright training corresponding currents.
  • the band conductor has a rectangular cross-section, in particular an upright standing rectangular cross-section.
  • the induction coil consists of a single piece, in particular a single long ribbon conductor.
  • the strip conductor runs in an advantageous embodiment spirally. Adjacent turns of the strip conductor can have a certain distance from each other, which is at least as large as the strip conductor itself is thick. Thus, a flat expansion of the induction coil is achieved, which can correspond approximately to the size of the induction cooking.
  • Such a distance of the strip conductor turns to each other of course, in addition to anodizing a means to avoid a short circuit between the turns. In particular, this local overheating can be avoided. This has a particularly advantageous effect by the combination with the coil carrier with embedded ferrite powder.
  • Anodization is advantageously applied and / or is designed so that it should survive temperatures of at least 700 0 C. It is particularly advantageous even to over 1000 ° C or even more than 1500 0 C temperature resistant. Thus, even in the case of unwanted local overheating electrical insulation can be ensured.
  • an induction cooking which has such a coil support and / or such induction heating.
  • An induction hob then advantageously has a plurality of induction cookers, for example four induction cookers.
  • a hydraulically bound mixture is applied after the manufacture of the inductor, which isolates the inductor towards the top.
  • This mixture can be designed so that it is thermally very well insulated and thereby thermally decoupled the glass from the actual inductor.
  • the additionally applied insulation mixture can have a defined conductance and be connected to the ground.
  • FIG. 1 is a sectional view of an induction heater comprising an induction coil formed as a copper coil,
  • FIG. 2 shows a sectional view of an induction heating device comprising an induction coil formed from an aluminum strip conductor
  • FIG. 3 shows a plan view of the induction heater according to FIG.
  • Fig. 1 shows schematically a sectional view of an induction heater 1 comprising an induction coil formed as a copper coil 12, which is arranged on a coil carrier 10 according to the invention.
  • the bobbin 10 is formed from a composition comprising an inorganic, hydraulically acting binder, in particular cement, alkali metal silicate and / or lime, ferrite powder and a fluid, in particular water.
  • an additional filler such as vermiculite, quartz sand or alumina is incorporated into the mass. From the mass, a flat disc is formed in the illustrated embodiment, which is mechanically stable.
  • the illustrated bobbin 10 is formed with grooves 11 into which the copper coil 12 is inserted.
  • the copper coil 12 is fixed by means not shown fastening means on the bobbin 10.
  • Form a coating is provided on the groove through which the introduction of electrical current is prevented in the bobbin 10.
  • the copper coil 12 may have an electrically insulated surface.
  • the induction heating device 1 is arranged in the illustrated embodiment on a support plate 2, which is preferably formed from a non-magnetizable material, for example aluminum.
  • a work surface 3 is arranged at the top of the induction heater 1.
  • a not shown vessel can be arranged on the work surface 3.
  • a thermally insulating layer 4 is disposed between the induction heating device 1 and the work surface 3.
  • a cooking point can be formed with any number of induction devices 1. Usually, four induction devices 1 are provided at a cooking location.
  • the ferrite powder allows high permeability of the coil carrier 10, so that a magnetic field generated by the copper coil 12 can be directed to a not-shown vessel, which is arranged on the work surface 3.
  • the coil carrier 10 preferably has a good thermal conductivity, so that heat generated at the copper coil 12 is dissipated to the support plate 2. As a result, overheating of the copper coil 12 due to self-heating can be prevented.
  • FIG. 2 shows schematically a sectional view of an induction device 100 comprising a coil carrier 110 and an induction coil formed from an aluminum strip conductor 112.
  • the induction heater 100 is arranged as shown in FIG. 1 on a support plate 2.
  • upper half of the induction heater 100, a work surface 3 and a thermally insulating layer 4 is also arranged in the illustrated embodiment.
  • the work surface 3 is thermally insulated from the induction heater 100. In other embodiments, such a layer 4 is omitted.
  • the surface of the aluminum ribbon conductor 112 is anodized.
  • the illustrated aluminum strip conductor 112 has a rectangular cross-section.
  • the illustrated aluminum ribbon conductor 112 is about three times as thick as it is thick. As a result, a large cross-sectional area is possible in a compact arrangement.
  • the illustrated bobbin 110 has projections 111 into which the aluminum strip carrier 112 is pressed.
  • the band conductor for fixation can also be introduced directly into the mold.
  • a composition comprising water, ferrite powder and an inorganic, hydraulically acting binder and / or polymer concrete is filled into a mold.
  • Cement, alkali metal silicate or lime is preferably used as the inorganic, hydraulically acting binder.
  • a stamp is applied, which gives the mass the desired shape and at the same time the aluminum strip conductor 112 presses.
  • the aluminum strip conductor 112 is thus fixed on the bobbin 110 and the induction heating device 100 is completed for use in an induction hob.
  • Such Indutationscream worn 100 can be easily produced by a few steps.
  • Such an induction heater 100 further has an advantageous heat resistance.
  • FIG. 3 schematically shows a plan view of the induction heating device 100 according to FIG. 2.
  • the induction coil is shown formed from a long aluminum strip conductor 112, which runs in a spiral, with adjacent turns of the strip conductor having a distance A from each other.
  • the distance A is in the schematically illustrated embodiment, significantly greater than the thickness of the aluminum strip conductor 112. In other embodiments, the distance A is less or greater selectable, wherein preferably the distance corresponds at least to the thickness of the aluminum strip conductor 112.
  • the aluminum strip conductor 112 has a connection region 5. Via the connection region 5, the aluminum strip conductor 112 can be connected to a generator, not shown.
  • the associated end of the anodized aluminum strip conductor 112 in this case has a contact surface which is free of anodization.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Induction Heating (AREA)

Abstract

L'invention concerne un support de bobine (110) pour un inducteur, en particulier pour une bobine d'induction (112) pour une plaque de cuisson à induction, caractérisé en ce que le support de bobine (110) est formé à partir d'une masse résistante à la température, comprenant une substance liante inorganique agissant hydrauliquement et/ou du béton polymère, de la poudre de ferrite et un fluide, en particulier de l'eau. L'invention concerne en outre un procédé de fabrication d'un support de bobine, comprenant un module de chauffage par induction et un support de bobine ainsi qu'une plaque de cuisson par induction.
PCT/EP2007/006457 2006-08-11 2007-07-20 Support de bobine pour inducteur Ceased WO2008017373A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006038370A DE102006038370A1 (de) 2006-08-11 2006-08-11 Spulenträger für Induktoren
DE102006038370.2 2006-08-11

Publications (1)

Publication Number Publication Date
WO2008017373A1 true WO2008017373A1 (fr) 2008-02-14

Family

ID=38542043

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/006457 Ceased WO2008017373A1 (fr) 2006-08-11 2007-07-20 Support de bobine pour inducteur

Country Status (2)

Country Link
DE (1) DE102006038370A1 (fr)
WO (1) WO2008017373A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017088197A1 (fr) * 2015-11-25 2017-06-01 佛山市顺德区美的电热电器制造有限公司 Disque de bobine et son procédé de fabrication, et dispositif de chauffage électromagnétique
US20230016441A1 (en) * 2020-01-31 2023-01-19 BSH Hausgeräte GmbH Induction cooking device

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103250465B (zh) * 2010-12-02 2015-08-05 松下电器产业株式会社 感应加热线圈和感应加热装置
JP5374658B1 (ja) * 2013-03-21 2013-12-25 東亜道路工業株式会社 トラフ、舗装構造体、及び舗装構造体の施工方法
ES2712662A1 (es) * 2017-11-14 2019-05-14 Bsh Electrodomesticos Espana Sa Dispositivo de aparato de cocción por inducción
EP3544376B1 (fr) 2018-03-23 2020-08-26 Whirlpool Corporation Interface de connexion pour réseau de bobines d'induction
EP3544375B1 (fr) 2018-03-23 2024-05-08 Whirlpool Corporation Appareil de compression de bobine d'induction pour ensemble de faisceau
EP3544377B1 (fr) 2018-03-23 2020-08-05 Whirlpool Corporation Caractéristiques de compression de capteur de température pour ensemble de plaque de cuisson à induction
EP3544374B1 (fr) * 2018-03-23 2020-09-23 Whirlpool Corporation Plaque de cuisson à induction à feuille de concentration de flux magnétique améliorée
DE102019204950A1 (de) * 2019-04-08 2020-10-08 Robert Bosch Gmbh Induktives Bauelement und Verfahren zur Herstellung eines induktiven Bauelements

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256417A (en) * 1962-08-09 1966-06-14 Hoover Co Induction heating coils
EP0713351A1 (fr) * 1994-11-15 1996-05-22 Compagnie Europeenne Pour L'equipement Menager "Cepem" Foyer de cuisson à induction
WO1997020451A1 (fr) * 1995-11-27 1997-06-05 Aktiebolaget Electrolux Plaque chauffante fonctionnant par induction
EP1258465A1 (fr) * 2001-05-15 2002-11-20 Electricité de France Composition de beton a poudres reactives et preparation d'une piece a partir de celle-ci
WO2004111589A1 (fr) * 2003-06-13 2004-12-23 Ceramaspeed Limited Ensemble capteur de temperature pour agencement de chauffage electrique

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE642724C (de) * 1930-10-22 1937-03-13 Hartstoff Metall Akt Ges Hamet Verfahren zur Herstellung isolierter Pulver und zur Fertigung von Massekernen
DE693060C (de) * 1938-07-06 1940-07-01 I G Farbenindustrie Akt Ges Hitzebestaendige Spulen und Wicklungen
DE755612C (de) * 1939-05-20 1951-08-06 Hans Vogt Dr H C Massekern mit Fuellstoffen
DE967051C (de) * 1941-04-03 1957-09-26 Aeg Einrichtung zum induktiven Erhitzen von Rotationskoerpern
DE898060C (de) * 1942-04-21 1953-11-26 Deutsche Edelstahlwerke Ag Oberflaechenhaertevorrichtung
DE904804C (de) * 1943-10-28 1954-02-22 Aeg Heizleiterschleife fuer Lueckenhaertung
DE1034789B (de) * 1953-12-24 1958-07-24 Carl Schoerg Dipl Ing Anordnung zur induktiven Beheizung von Gefaessen, Rohren u. dgl.
DD119405A2 (fr) * 1972-02-01 1976-04-20
FR2311475A1 (fr) * 1975-05-14 1976-12-10 Martin Usines Fonderies Nestor Taque de cuisson pour chauffage par induction avec inducteur forme de noyaux en u
DE2817184C3 (de) * 1978-04-20 1981-03-19 Draloric Electronic GmbH, 8500 Nürnberg Induktivität
CH657548A5 (de) * 1982-07-21 1986-09-15 Bbc Brown Boveri & Cie Beheiztes vorgespanntes schmiedegesenk fuer isothermes umformen von metallen.
US4629843A (en) * 1984-04-11 1986-12-16 Tdk Corporation Induction cooking apparatus having a ferrite coil support
DE3731762A1 (de) * 1987-09-22 1989-03-30 Licentia Gmbh Verfahren zur temperaturregelung bzw. begrenzung an induktionsheizspulen, insbesondere fuer haushalt-induktionskochgeraete sowie eine vorrichtung zur durchfuehrung des verfahrens
DE3808756A1 (de) * 1988-03-16 1989-09-28 Vogt Electronic Ag Verbesserte induktive kochplatte
DE4224405A1 (de) * 1992-03-14 1993-09-16 Ego Elektro Blanc & Fischer Induktive kochstellenbeheizung
GB9402495D0 (en) * 1994-02-09 1994-03-30 Induced Energy Ltd Induction heating element
US6102980A (en) * 1997-03-31 2000-08-15 Tdk Corporation Dust core, ferromagnetic powder composition therefor, and method of making
ES2201938B1 (es) * 2003-11-06 2005-02-01 Bsh Electrodomesticos España, S.A. Inductor con un portabobinas.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256417A (en) * 1962-08-09 1966-06-14 Hoover Co Induction heating coils
EP0713351A1 (fr) * 1994-11-15 1996-05-22 Compagnie Europeenne Pour L'equipement Menager "Cepem" Foyer de cuisson à induction
WO1997020451A1 (fr) * 1995-11-27 1997-06-05 Aktiebolaget Electrolux Plaque chauffante fonctionnant par induction
EP1258465A1 (fr) * 2001-05-15 2002-11-20 Electricité de France Composition de beton a poudres reactives et preparation d'une piece a partir de celle-ci
WO2004111589A1 (fr) * 2003-06-13 2004-12-23 Ceramaspeed Limited Ensemble capteur de temperature pour agencement de chauffage electrique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017088197A1 (fr) * 2015-11-25 2017-06-01 佛山市顺德区美的电热电器制造有限公司 Disque de bobine et son procédé de fabrication, et dispositif de chauffage électromagnétique
US20230016441A1 (en) * 2020-01-31 2023-01-19 BSH Hausgeräte GmbH Induction cooking device

Also Published As

Publication number Publication date
DE102006038370A1 (de) 2008-02-14

Similar Documents

Publication Publication Date Title
WO2008017373A1 (fr) Support de bobine pour inducteur
DE69512605T2 (de) Induktions-Kochmulde
EP2463869B2 (fr) Composant inductif doté de propriétés de noyau améliorées
DE2118430A1 (de) Dickschicht Induktor mit feitomag netischem Kern
DE112009002116T5 (de) Pulver für einen Magnetpulverkern, Magnetpulverkern und Verfahren zum Herstellen dieser Erzeugnisse
EP0490289A1 (fr) Radiateur électrique notamment radiateur à rayonnement
DE652644C (de) Wandler fuer Hochspannung
DE102019135634A1 (de) Vorrichtungen und verfahren zum bilden von ausgerichteten magnetkernen
DE2438631C3 (de) Glimmentladungsverhindernder Schirm für die Kernschenkel von Transformatoren u.dgl. Geräte sowie Verfahren zu seiner Herstellung
WO2021093995A1 (fr) Unité de transmission et/ou de réception pour un système de transmission d'énergie par induction
EP1371124B1 (fr) Procede de production d'une barre conductrice
DE2032986A1 (de) Verfahren zur Herstellung von Flach draht Erregerspulen
EP0658527B1 (fr) Procédé de fabrication d'un céramique coulable
DE610043C (de) Verfahren zur Isolierung elektrischer Spulen
WO2020207687A1 (fr) Composant inductif et procédé de fabrication d'un composant inductif
DE102012210802A1 (de) Spulenanordnung und Verfahren zur Herstellung sowie Verwendung der Spulenanordnung mit Kühlung
DE1811797A1 (de) Transformator und Verfahren zu dessen Herstellung
DE1488360A1 (de) Elektrische Einrichtung und Verfahren zu ihrer Herstellung
DE584792C (de) Anordnung zur Verminderung der Wirbelstrom- und Hysteresisverluste in elektrischen Apparaten oder Maschinen
DE667030C (de) Elektrischer Heizkoerper
DE2335032C3 (de) Drossel, Transformator oder dergleichen induktive elektrische Vorrichtung und Verfahren zu ihrer Herstellung
DE102011055880B4 (de) Induktives Bauelement mit verbesserten Kerneigenschaften
DE102017201765B4 (de) Heizeinrichtung, Kochgerät und Verfahren zur Herstellung einer solchen Heizeinrichtung
DE60214435T2 (de) Pulver-magnetkern und diesen verwendender hochfrequenzreaktor
DE1565415C (de) Induktionsheizeinrichtung, insbesondere für Kunststoffverarbeitungseinrichtungen

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07786211

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: RU

122 Ep: pct application non-entry in european phase

Ref document number: 07786211

Country of ref document: EP

Kind code of ref document: A1