Global Patent Index - EP 3729477 A1

EP 3729477 A1 20201028 - TRANSFORMER CORE AND TRANSFORMER

Title (en)

TRANSFORMER CORE AND TRANSFORMER

Title (de)

TRANSFORMATORKERN UND TRANSFORMATOR

Title (fr)

NOYAU DE TRANSFORMATEUR ET TRANSFORMATEUR

Publication

EP 3729477 A1 20201028 (DE)

Application

EP 18808326 A 20181123

Priority

  • DE 102017223322 A 20171220
  • EP 2018082389 W 20181123

Abstract (en)

[origin: WO2019120882A1] The invention relates to a transformer core with at least one additional leg. Said additional leg is used to form a leakage path. In order to optimize the installation space and for easier connection of the transformer windings, the transformer legs and the additional leakage path legs are not arranged along a common line.

IPC 8 full level

H01F 3/12 (2006.01); H01F 27/38 (2006.01); H01F 38/08 (2006.01)

CPC (source: EP KR US)

H01F 3/12 (2013.01 - EP KR); H01F 3/14 (2013.01 - US); H01F 27/24 (2013.01 - US); H01F 27/38 (2013.01 - EP KR US); H01F 38/08 (2013.01 - EP KR US)

Citation (examination)

Designated contracting state (EPC)

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

DE 102017223322 A1 20190627; CN 111466002 A 20200728; CN 111466002 B 20220927; EP 3729477 A1 20201028; JP 2021507534 A 20210222; JP 7087083 B2 20220620; KR 102623872 B1 20240111; KR 20200100127 A 20200825; US 11605500 B2 20230314; US 2021065969 A1 20210304; WO 2019120882 A1 20190627

DOCDB simple family (application)

DE 102017223322 A 20171220; CN 201880082687 A 20181123; EP 18808326 A 20181123; EP 2018082389 W 20181123; JP 2020534348 A 20181123; KR 20207020632 A 20181123; US 201816956891 A 20181123