Global Patent Index - EP 0928011 B1

EP 0928011 B1 20040811 - Process for producing transformers encapsulated in cast resin and transformer

Title (en)

Process for producing transformers encapsulated in cast resin and transformer

Title (de)

Verfahren zur Herstellung von Giessharztransformatoren und Giessharztransformator

Title (fr)

Procédé de fabrication de transformateurs encapsulés en résine coulée et transformateur

Publication

EP 0928011 B1 20040811 (DE)

Application

EP 98124700 A 19981225

Priority

DE 19758213 A 19971231

Abstract (en)

[origin: EP0928011A2] In production of cast-resin dry-type transformers, the windings are cast with a filled or unfilled thermosetting resin mixture, the outer surface or the entire surface of the cast resin molding is covered with a layer of reinforced or unreinforced phenolic resin. An Independent claim is also included for epoxy resin-based dry-type transformers in which the outer surface or the whole surface is coated with a layer of optionally reinforced phenolic resin.

IPC 1-7

H01F 41/12; H01F 27/02; H01F 27/32

IPC 8 full level

H01F 27/02 (2006.01); H01F 27/32 (2006.01); H01F 41/12 (2006.01)

CPC (source: EP)

H01F 27/327 (2013.01); H01F 41/12 (2013.01)

Designated contracting state (EPC)

BE CH DE ES FR GB IT LI NL PT

DOCDB simple family (publication)

DE 19758213 A1 19990701; BR 9805694 A 20000328; CN 1230757 A 19991006; DE 59811791 D1 20040916; EP 0928011 A2 19990707; EP 0928011 A3 19991208; EP 0928011 B1 20040811; TW 590867 B 20040611

DOCDB simple family (application)

DE 19758213 A 19971231; BR 9805694 A 19981230; CN 98111663 A 19981230; DE 59811791 T 19981225; EP 98124700 A 19981225; TW 87121887 A 19990111