EP3288046A1 - Dispositif de bobines - Google Patents

Dispositif de bobines Download PDF

Info

Publication number
EP3288046A1
EP3288046A1 EP16185586.1A EP16185586A EP3288046A1 EP 3288046 A1 EP3288046 A1 EP 3288046A1 EP 16185586 A EP16185586 A EP 16185586A EP 3288046 A1 EP3288046 A1 EP 3288046A1
Authority
EP
European Patent Office
Prior art keywords
coil
coil device
cooling plate
cooling
windings
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.)
Granted
Application number
EP16185586.1A
Other languages
German (de)
English (en)
Other versions
EP3288046B1 (fr
Inventor
Ingolf Hoffmann
Stephan Ippisch
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to EP16185586.1A priority Critical patent/EP3288046B1/fr
Priority to PCT/EP2017/070011 priority patent/WO2018036805A1/fr
Priority to CN201780051258.6A priority patent/CN109643600B/zh
Priority to US16/327,096 priority patent/US11443882B2/en
Priority to EP17752092.1A priority patent/EP3455863A1/fr
Publication of EP3288046A1 publication Critical patent/EP3288046A1/fr
Application granted granted Critical
Publication of EP3288046B1 publication Critical patent/EP3288046B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2876—Cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00—Fixed inductances not covered by group H01F17/00

Definitions

  • the invention relates to a coil device according to the preamble of claim 1.
  • a plurality of coil devices such as choke coils, which are wound from several layers of an insulated conductor known. Due to the electrical stress of a coil device occur thermal losses, for example, within the windings of the coil device or in its coil core, which is formed for example of iron on. Typically, the individual windings of the coil device are electrically isolated from each other by the introduction of an insulating material. Here, a sufficiently good heat dissipation of the coil device is ensured. A preferred cooling or cooling of the coil device or its winding layers is dimensioned contact, so that the predetermined space can be optimally utilized.
  • a cooling plate is introduced into the coil device, which in particular must be electrically insulated from a yoke of a winding of the coil device.
  • a cooling plate in particular a metallic cooling plate, within the coil device has the disadvantage that due to the magnetic fields occurring electrical currents are induced in this, leading to losses (ohmic losses due to eddy currents).
  • Waveguides are known from the prior art, which are used for the windings of the coil device. By the waveguides can be passed a coolant, which warms the coil device.
  • Plastic cooling bags are known with a Y-structure, which can be introduced into the coil device or one of its windings. In order to increase the thermal conductivity between the windings of the coil device and said Y-structure, these are at least partially embedded in a resin, so that air pockets can be reduced or at best prevented. Furthermore, it is known to completely shed coil devices, in particular choke coils, so that an improved internal thermal conductivity is achieved.
  • the present invention is based on the object to provide a coil device with improved cooling.
  • the coil device for a power converter comprises a cooling plate and a plurality N of coil windings, wherein the cooling plate is thermally coupled to at least one end face of one of the coil windings.
  • the coil device has at least two coil windings.
  • the cooling channel extends around each of the two coil windings. This advantageously ensures improved cooling of the coil windings.
  • the end face of the coil winding is particularly preferred, since this typically has a sufficiently large area and is thus particularly well suited for the heat dissipation of the coil windings.
  • the inventive symmetrical design of the coil device which is given by the spatial arrangement of the coil windings at an angle of 2 ⁇ / N , results in an electromagnetically advantageous arrangement, which is especially preferred for cooling the coil device.
  • the cooling plate and its cooling channel can be produced, for example, by means of a regenerative method, in particular a 3D printing.
  • the cooling channel is suitable for receiving a coolant, for example water, in particular a fluoroketone, for cooling or heat dissipation of the coil device.
  • a coolant for example water, in particular a fluoroketone
  • the coolant provided for the cooling is electrically non-conductive.
  • a further advantage of the present invention is that all coil windings of the coil device are cooled by means of a common cooling channel.
  • the cooling channel extends at least partially around each of the coil windings. This makes it possible to achieve a mechanically advantageous and compact design of the coil device.
  • the mechanical stability of the coil device is improved by the cooling plate.
  • the coil device can be pressed by means of the cooling plate or by means of a plurality of cooling plates, so that the weight of the coil device according to the invention can be reduced and additional space can be saved.
  • the coil device comprises exactly three coil windings.
  • the three coil windings correspond to the three known phases of the three-phase alternating current.
  • a coil device is provided for each phase of the three-phase alternating current.
  • the coil device according to the invention can thus be provided for a power converter, in particular a converter.
  • the extension of the cooling channel takes place such that it extends as long as possible and as close as possible to the coil windings.
  • the cooling of the coil device by means of the cooling plate is advantageously improved.
  • this further improves the cooling of the coil device, in particular its coil windings.
  • the cross section of the cooling channel in the region of the coil winding is increased.
  • the cooling plate is triangular or triangular in shape.
  • the geometric shape or the geometric configuration of the cooling plate is adapted to exactly three coil windings.
  • space can be saved advantageously.
  • the corners of the triangular or triangular-shaped formed cooling plate are rounded, so that further space can be saved.
  • the cooling plate has three side edges, wherein the cooling channel extends along two side edges of the three side edges.
  • the heat is advantageously discharged via at least two of the side edges to the surroundings of the cooling plate.
  • the flow and the return for the cooling channel and / or further mechanical, electrical, thermal and / or fluidic connections for the coil device can advantageously be provided.
  • the cooling plate has at least one recess, in particular a slot.
  • the heat dissipation of the coil device and the cooling plate is advantageously improved.
  • the efficiency of an electric machine comprising, for example, the coil device is improved.
  • the recess is star-shaped or star-shaped.
  • the recess is formed from a plurality of slots, wherein the slots, starting from a common center, extend in a star-like manner in different directions.
  • the cooling channel extends like a lug between the slots.
  • this improves the cooling of the cooling plate and achieves a reduction of eddy currents. This is the case because increased by the tab-like extension of the cooling channel its length and thus more heat can be transmitted.
  • the cooling plate is arranged on winding cores of the coil windings, wherein a winding core facing side surface of the cooling plate has an electrically insulating layer or coating.
  • the cooling plate is constructed at least in two parts.
  • the first part of the cooling plate, which comprises the cooling channel, is made of aluminum and / or copper, for example, that is, a metallic and highly thermally conductive material is formed.
  • a second part of the cooling plate is formed by means of the electrically insulating layer or coating.
  • the cooling plate can thereby be electrically insulated from live parts of the coil device.
  • an electrically insulating thermal interface material can be provided for the electrically insulating layer.
  • TIM electrically insulating thermal interface material
  • a cost-effective construction of the coil device is made possible, in which the guide of a coolant in the metallic part of the cooling plate (first part) is arranged and the electrically insulating components of the cooling plate, that is, the electrically insulating layer formed by simple end plates without contacting and contouring are.
  • a side surface of the cooling plate facing away from the winding core has an electrically insulating layer or coating.
  • the winding cores and the coil windings of the coil device can be insulated from a yoke, in particular an iron yoke.
  • the cooling plate made of aluminum, copper, stainless steel or copper ferrite or a mixture thereof is formed.
  • the cooling plate may comprise further materials or substances, for example plastics, in particular PPS or a ceramic, for example aluminum nitride.
  • plastics in particular PPS or a ceramic, for example aluminum nitride.
  • the mentioned Metallic materials that is, aluminum, copper, stainless steel or copper-nickel ferrite advantageously have a high thermal conductivity, so that the thermal heat dissipation of the coil device or the cooling plate is improved.
  • each of the coil windings on a contacting element for electrical contacting wherein each of the contacting elements is at least partially surrounded by the cooling channel.
  • this further improves the cooling of the coil device and of the cooling plate.
  • the contacting elements are also at least partially cooled by the cooling channel which at least partially surrounds them.
  • the contacting elements are in this case designed as copper tabs, in particular as bent copper tabs.
  • this improves the electrical contacting of the coil device and increases the thermal conductivity of the contacting elements.
  • FIG. 1 is a schematic plan view of the coil device 1 according to the invention shown.
  • the coil device 1 comprises a cooling plate 2, which has a cooling channel 24.
  • the cooling channel 24 is designed and provided for guiding a coolant, for example water or a fluid, which in particular comprises a fluoroketone.
  • the cooling channel 24 has a flow 61 and a return 62.
  • the cooling plate 2 of the coil device 1 is formed like a triangle.
  • the cooling plate 2 has three side edges 21, 22, 23, which form the sides of an imaginary isosceles triangle.
  • the corners of the imaginary isosceles triangle are here rounded, so space is saved.
  • eddy currents within the cooling plate 2 can be reduced by the rounded corners.
  • a recess 8 which is formed as a slot, is provided.
  • the slot 8, which is elongated extends from a center 800 of the cooling plate 2, in particular a center of symmetry of the cooling plate 2, to the third side edge 23 of the cooling plate 2. Furthermore, the recess 8 lies between two sections of the cooling channel 24.
  • the coil device 1 has three coil windings 4, which in the illustrated figure in its cross section circular are formed. Furthermore, the coil windings 4 have an end face 400 which is formed, for example, by an end face of a winding core, which is assigned to the respective coil winding 4.
  • the coil windings 4 are arranged symmetrically to each other.
  • the coil windings 4 are spatially offset by the angle 41 of 2 ⁇ / 3 to each other.
  • the angle 41 refers to the common center 800.
  • the coil windings 4 are arranged substantially in the region of the rounded corners of the triangular-type cooling plate 2.
  • the cooling channel 24 extends at least partially along the coil windings 4.
  • the cooling channel 24 preferably extends approximately completely along the coil windings 4. In other words, the coil windings 4 are surrounded by the cooling channel 24 up to an angle 43.
  • the cooling channel extends at least over an angle 42 of at least 5 ⁇ / 3, in particular of at least 11 ⁇ / 3, more preferably of 2 ⁇ about the respective coil winding 4.
  • the angle 43 leads to a recess of an angular range of the coil winding 4, the is not surrounded by the cooling channel 24 and corresponds to the angle 43. In other words, an angle sum formed from the angle 42 and the angle 43 has the value 2 ⁇ .
  • the angle range, which corresponds to the angle 43 can be provided for an electrical contacting by means of contacting elements 10, in particular by means of a bent copper tab.
  • a preferred heat dissipation of the coil devices 4 is advantageously made possible by means of the cooling plate 2.
  • the mechanical stability of the coil device 1 is increased and improved by the cooling plate 2.
  • space and weight can be saved. In other words is made possible by the cooling plate 2, a compression of the coil device 1.
  • the said compression of the cooling plate 2 with the end faces 400 of the coil devices 4 is facilitated.
  • FIG. 2 shows a plan view of a coil device 1 according to the invention, which is comparable to the in FIG. 1 is shown coil device. In other words, that can be under FIG. 1 Said on FIG. 2 applied and transmitted.
  • the coil device 1 in FIG. 2 has a T-shaped or T-shaped cooling plate 2.
  • FIG. 2 shows FIG. 2 A more complex arrangement and extension of the cooling channel 24. This extends meandering within the cooling plate 2 to the coil devices 4.
  • An advantage of the meandering arrangement of the cooling channel 24 is that thereby the cooling of the cooling plate 2 and thus the coil device 1 is improved.
  • the flow 61 and the return 62 of the cooling channel 24 can be arranged in a common region of the cooling plate 2, so that their fluidic contacting is simplified.
  • FIG. 1 includes the coil device in FIG. 2 a recess 8 which extends radially outward from a center 800.
  • a circular recess is provided within the center 800.
  • FIG. 3 a further plan view of a coil device 1 according to the invention is shown. This shows FIG. 3 essentially the same elements as before FIG. 1 and or FIG. 2 ,
  • FIG. 3 unlike the FIGS. 1 and / or 2 a star-shaped or star-shaped cooling plate 2.
  • the cooling plate 2 in turn has a cooling channel 24, which extends at least partially around the coil windings 4 of the coil devices 1.
  • the flow 61 and return 62 of the cooling channel 24 are arranged within a common area, so that their fluidic contact is facilitated and improved.
  • the coil device 1 has a recess 8, which is formed star-like or star-shaped.
  • this has a plurality of elongated slots 81 which extend from the common center 800 in different directions.
  • This significantly reduces the formation of eddy currents.
  • One of the slots 81 is in this case arranged between the flow 61 and the return 62 of the cooling channel 24. In other words, the lead 61 and the return 62 are spaced by one of the slots 81.
  • the dashed lines correspond to an alternative extent of the cooling channel 24.
  • the cooling channel 24 extends in the manner of a tab between in each case two adjacent slots 81. This advantageously improves the cooling of the coil apparatus.
  • the coil device 1 contacting elements 10, in particular copper tabs, which are arranged between the coil devices 4 and the cooling channel 24.
  • the cooling channel 24 extends along the contacting elements 10, so that they are cooled by the cooling channel 24 or by a coolant, which is arranged within the cooling channel 24 or flows through it.
  • FIG. 4 is a side sectional view of a portion of a coil device 1 according to the invention shown.
  • one of the coil devices 4 and the cooling plate 24 can be seen in the illustrated section.
  • an electrically insulating coating 14 is arranged or applied. This is used for electrical insulation of the cooling plate 24 with respect to the voltage-carrying components of the coil winding 4.
  • the electrical insulating material or the insulating coating 14 for example, from a little water-absorbing plastic, in particular PPS, or a ceramic, such as aluminum nitride, be formed.
  • an arrangement by means of a silicone layer is advantageous because unevenness of the coil winding 4 and / or the cooling plate 24 can be compensated.
  • a further electrically insulating layer or coating 16 is attached on a side facing away from the coil winding 4 of the cooling plate 2.
  • the electrically insulating layer 14 may be formed from a plastic which absorbs little water, for example PPS, or from a ceramic, for example aluminum nitrite.
  • the further electrically insulating layer 16 is provided for electrical insulation with respect to an iron yoke 12 of the coil device 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)
EP16185586.1A 2016-08-25 2016-08-25 Dispositif de bobines Active EP3288046B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP16185586.1A EP3288046B1 (fr) 2016-08-25 2016-08-25 Dispositif de bobines
PCT/EP2017/070011 WO2018036805A1 (fr) 2016-08-25 2017-08-08 Dispositif de bobines
CN201780051258.6A CN109643600B (zh) 2016-08-25 2017-08-08 线圈装置
US16/327,096 US11443882B2 (en) 2016-08-25 2017-08-08 Coil device
EP17752092.1A EP3455863A1 (fr) 2016-08-25 2017-08-08 Dispositif de bobines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16185586.1A EP3288046B1 (fr) 2016-08-25 2016-08-25 Dispositif de bobines

Publications (2)

Publication Number Publication Date
EP3288046A1 true EP3288046A1 (fr) 2018-02-28
EP3288046B1 EP3288046B1 (fr) 2021-04-14

Family

ID=56800207

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16185586.1A Active EP3288046B1 (fr) 2016-08-25 2016-08-25 Dispositif de bobines
EP17752092.1A Withdrawn EP3455863A1 (fr) 2016-08-25 2017-08-08 Dispositif de bobines

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP17752092.1A Withdrawn EP3455863A1 (fr) 2016-08-25 2017-08-08 Dispositif de bobines

Country Status (4)

Country Link
US (1) US11443882B2 (fr)
EP (2) EP3288046B1 (fr)
CN (1) CN109643600B (fr)
WO (1) WO2018036805A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020101905A1 (fr) * 2018-11-12 2020-05-22 Carrier Corporation Transformateur refroidi pour dispositif de stockage d'énergie

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3288046B1 (fr) 2016-08-25 2021-04-14 Siemens Aktiengesellschaft Dispositif de bobines

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1564762A2 (fr) * 2004-02-13 2005-08-17 ABB Oy Bobine de self refroidie par liquide
WO2009143643A1 (fr) * 2008-05-27 2009-12-03 Ids Holding Ag Bobine de choc à refroidissement par eau
US20110267161A1 (en) * 2007-08-22 2011-11-03 Ctm Magnetics, Inc. Method and apparatus for cooling an annular inductor
DE102012217607A1 (de) 2012-09-27 2014-03-27 Siemens Aktiengesellschaft Vorrichtung zum Kühlen
EP2977996A1 (fr) 2014-07-21 2016-01-27 Siemens Aktiengesellschaft Transducteur d'un convertisseur

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU838773A1 (ru) 1979-09-13 1981-06-15 Предприятие П/Я А-7809 Устройство дл охлаждени обмотокТРАНСфОРМАТОРА
JP3119995B2 (ja) 1994-05-11 2000-12-25 アクトロニクス株式会社 静止誘導機器巻線の冷却構造
US6157282A (en) * 1998-12-29 2000-12-05 Square D Company Transformer cooling method and apparatus therefor
EP2323143B1 (fr) * 2008-08-25 2014-10-01 Seiden MFG. Co., Ltd. Transformateur triphasé haute fréquence
JP5685815B2 (ja) * 2009-03-16 2015-03-18 Tdk株式会社 トランスおよびスイッチング電源装置
WO2011021156A1 (fr) * 2009-08-18 2011-02-24 Panacis, Inc. Transformateur planaire multiphase intégré
CN201466976U (zh) 2009-08-20 2010-05-12 石新春 一体化高频整流装置
FI20095996A0 (fi) 2009-09-30 2009-09-30 Trafotek Oy Menetelmä käämin jäähdyttämiseksi, käämin jäähdytysjärjestelmä ja nestejäähdytetty käämi
CN101707119B (zh) * 2009-11-27 2012-03-28 中国电力科学研究院 一种新型直流换流阀饱和电抗器
NO330773B1 (no) * 2009-12-18 2011-07-11 Vetco Gray Scandinavia As Transformator
BRPI1100186B1 (pt) * 2011-02-02 2020-03-31 Siemens Aktiengesellschaft Transformador de distribuição a seco
CN202258680U (zh) * 2011-08-02 2012-05-30 广东海鸿变压器有限公司 油浸式立体卷铁心非晶合金变压器
IN2014DN03264A (fr) * 2011-10-31 2015-07-10 Hitachi Ltd
CN202523520U (zh) * 2012-04-13 2012-11-07 成都隆强科技有限公司 一种水冷式高频变压器
BR112014026093A2 (pt) * 2012-05-03 2017-06-27 Abb Technology Ltd método, molde e sistema para fabricar bobina de transformador
DE102012207557A1 (de) * 2012-05-07 2013-11-07 Wobben Properties Gmbh Dreiphasige Drossel
US9299488B2 (en) * 2013-10-04 2016-03-29 Hamilton Sundstrand Corporation Magnetic devices with integral cooling channels
ES2580007T3 (es) * 2013-10-18 2016-08-18 Abb Technology Ag Transformador
CN104575991B (zh) * 2015-01-13 2017-10-03 黄志峰 一种高频水冷变压器
CN204537811U (zh) 2015-05-08 2015-08-05 孙欣 一种半导体制冷干式变压器
CN204596582U (zh) * 2015-06-02 2015-08-26 夏弗纳电磁兼容（上海）有限公司 用于水冷电抗器或变压器的冷却结构、电力系统及其元件
CN204884782U (zh) 2015-08-28 2015-12-16 湘潭电机股份有限公司 一种新型液冷磁性元件管路布局结构
EP3288046B1 (fr) 2016-08-25 2021-04-14 Siemens Aktiengesellschaft Dispositif de bobines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1564762A2 (fr) * 2004-02-13 2005-08-17 ABB Oy Bobine de self refroidie par liquide
US20110267161A1 (en) * 2007-08-22 2011-11-03 Ctm Magnetics, Inc. Method and apparatus for cooling an annular inductor
WO2009143643A1 (fr) * 2008-05-27 2009-12-03 Ids Holding Ag Bobine de choc à refroidissement par eau
DE102012217607A1 (de) 2012-09-27 2014-03-27 Siemens Aktiengesellschaft Vorrichtung zum Kühlen
EP2977996A1 (fr) 2014-07-21 2016-01-27 Siemens Aktiengesellschaft Transducteur d'un convertisseur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020101905A1 (fr) * 2018-11-12 2020-05-22 Carrier Corporation Transformateur refroidi pour dispositif de stockage d'énergie

Also Published As

Publication number Publication date
EP3288046B1 (fr) 2021-04-14
EP3455863A1 (fr) 2019-03-20
WO2018036805A1 (fr) 2018-03-01
US11443882B2 (en) 2022-09-13
CN109643600B (zh) 2021-06-25
CN109643600A (zh) 2019-04-16
US20190180907A1 (en) 2019-06-13

Similar Documents

Publication Publication Date Title
EP3459160B1 (fr) Barre omnibus de generateur refroidie a l'eau comprenant un espace de separation de canal de refroidissement
DE69811564T3 (de) Wechselstromgenerator für Kraftfahrzeuge
DE69732321T2 (de) Hocheffiziente Induktionskochstelle
DE69512605T2 (de) Induktions-Kochmulde
DE102019215015A1 (de) Transversalflussmaschine
EP2637176B1 (fr) Tansformateur à imprégnation intégrale de résine
DE3836415A1 (de) Elektromagnetische vorrichtung mit kuehleinrichtung
DE112017002471T5 (de) Flüssigkeitsgekühltes magnetisches Element
EP2294591A1 (fr) Bobine de choc a refroidissement par eau
DE102011082045A1 (de) Drossel und zugehöriges Herstellungsverfahren
DE102018116031A1 (de) Elektromotor mit zu Statornuten beabstandeten elektrischen Leitern
EP3288046B1 (fr) Dispositif de bobines
EP3618236A2 (fr) Machine électrique à excitation permanente
EP3179485A1 (fr) Câble coaxial haute puissance
DE102011007334A1 (de) Flüssigkeitsgekühlte induktive Komponente
EP2751814B1 (fr) Transformateur et son procédé de fabrication
EP3580835A1 (fr) Enroulement d'une machine électrique présentant un degré de remplissage plus élevé
DE102018206512A1 (de) Elektrische Maschine und hybridelektrisches Luftfahrzeug
EP3127202B1 (fr) Dispositif d'amenée de courant continu électrique
DE102017218451A1 (de) Stator und elektrische Maschine mit Stator
WO2014048726A1 (fr) Dispositif de refroidissement
DE202014105157U1 (de) Induktives Bauteil mit verbesserter Kühlung
EP2977996A1 (fr) Transducteur d'un convertisseur
DE102010023115A1 (de) Leiteranordnung mit einem gewickelten Bandleiter und Anschlussleiter
DE1763830A1 (de) Fluessigkeitsgekuehlter Kunststofftransformator

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20180719

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20210112

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502016012801

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1383167

Country of ref document: AT

Kind code of ref document: T

Effective date: 20210515

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20210414

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210714

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210715

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210814

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210714

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210816

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502016012801

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20220117

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20210831

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20210825

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210831

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210814

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210825

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210825

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210825

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210831

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1383167

Country of ref document: AT

Kind code of ref document: T

Effective date: 20210825

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20210825

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20160825

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20230828

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230822

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20231019

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210414