EP 1054418 A1 20001122 - Low voltage winding for electrical transformer and method for producing same
Title (en)
Low voltage winding for electrical transformer and method for producing same
Title (de)
Niederspannungswicklung für elektrischen Transformator und Verfahren zu ihrer Herstellung
Title (fr)
Bobinage "basse tension" de transformateur électrique et son procédé de réalisation
Publication
Application
Priority
FR 9906382 A 19990518
Abstract (en)
The low voltage electrical transformer has a metallic strip (1) wound in a spiral shape (10) with a thin outer layer of isolating material (2). The isolating edges are folded (5) pressing on the metallic strip, and covering the envelope edge covering the metallic strip path.
IPC 1-7
IPC 8 full level
H01F 27/32 (2006.01); H01F 41/06 (2006.01)
CPC (source: EP)
H01F 27/323 (2013.01); H01F 41/063 (2016.01)
Citation (search report)
- [A] US 5281488 A 19940125 - POULSEN PEDER U [US]
- [DA] WO 9836849 A1 19980827 - ABB POWER T & D CO [US]
- [A] US 4741947 A 19880503 - PATAKI WILLIAM S [US]
- [DA] PATENT ABSTRACTS OF JAPAN vol. 010, no. 240 (E - 429) 19 August 1986 (1986-08-19)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1054418 A1 20001122; FR 2793942 A1 20001124; FR 2793942 B1 20020125
DOCDB simple family (application)
EP 00109330 A 20000502; FR 9906382 A 19990518