Global Patent Index - EP 2483898 B1

EP 2483898 B1 20180502 - TRANSFORMER CORE OR TRANSFORMER SHEET HAVING AN AMORPHOUS AND/OR NANOCRYSTALLINE MICROSTRUCTURE AND METHOD FOR THE PRODUCTION THEREOF

Title (en)

TRANSFORMER CORE OR TRANSFORMER SHEET HAVING AN AMORPHOUS AND/OR NANOCRYSTALLINE MICROSTRUCTURE AND METHOD FOR THE PRODUCTION THEREOF

Title (de)

TRANSFORMATORKERN ODER TRANSFORMATORBLECH MIT EINER AMORPHEN UND/ODER NANOKRISTALLINEN GEFÜGESTRUKTUR UND VERFAHREN ZU DESSEN HERSTELLUNG

Title (fr)

NOYAU DE TRANSFORMATEUR OU TÔLE DE TRANSFORMATEUR AVEC UNE STRUCTURE AMORPHE ET/OU NANOCRISTALLINE ET PROCÉDÉ POUR SA FABRICATION

Publication

EP 2483898 B1 20180502 (DE)

Application

EP 10749632 A 20100825

Priority

  • DE 102009048658 A 20090929
  • EP 2010062394 W 20100825

Abstract (en)

[origin: WO2011039001A1] The invention relates to a transformer core or transformer sheet and a method for the production thereof. According to the invention, the transformer sheet (and the transformer core) comprises magnetically soft layers (22) and separator layers (19) assembled not by stacking the transformer sheets but as a monolithic layer composite. The method according to the invention enables said construction, in that the transformer sheet (or the transformer core) is produced electrochemically by repeated deposition of magnetically soft layers (22) and separating layers (19) on a base body (12). To this end, after applying the electrically insulating separating layers (19), starting layers (21) for electrochemically coating the subsequent magnetically soft layers (22) are applied. The transformer cores and transformer sheets according to the invention are produced having an amorphous and/or nanocrystalline microstructure, whereby advantageously low magnetization losses and high permeability values can be achieved.

IPC 8 full level

H01F 10/13 (2006.01); H01F 27/245 (2006.01); H01F 41/32 (2006.01)

CPC (source: EP)

H01F 1/15333 (2013.01); H01F 10/131 (2013.01); H01F 10/132 (2013.01); H01F 10/265 (2013.01); H01F 27/245 (2013.01); H01F 41/26 (2013.01)

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 SE SI SK SM TR

DOCDB simple family (publication)

DE 102009048658 A1 20110331; EP 2483898 A1 20120808; EP 2483898 B1 20180502; WO 2011039001 A1 20110407

DOCDB simple family (application)

DE 102009048658 A 20090929; EP 10749632 A 20100825; EP 2010062394 W 20100825