(19)
(11) EP 1 008 214 A2

(12)

(88) Date of publication A3:
13.08.1998

(43) Date of publication:
14.06.2000 Bulletin 2000/24

(21) Application number: 97951391.8

(22) Date of filing: 17.12.1997
(51) International Patent Classification (IPC)7: H01T 2/00
(86) International application number:
PCT/SE9702/152
(87) International publication number:
WO 9829/927 (09.07.1998 Gazette 1998/27)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

(30) Priority: 17.12.1996 SE 9604631

(71) Applicant: ABB AB
721 83 Västeras (SE)

(72) Inventors:
  • BERGKVIST, Mikael
    S-756 45 Uppsala (SE)
  • BERNHOFF, Hans
    S-720 02 Västeras (SE)
  • EKBERG, Mats
    S-722 42 Västeras (SE)
  • FOGELBERG, Thomas
    S-771 35 Ludvika (SE)
  • ISBERG, Jan
    S-722 14 Västeras (SE)
  • LEIJON, Mats
    S-723 35 Västeras (SE)
  • MING, Li
    S-723 41 Västeras (SE)
  • SUNESSON, Anders
    S-232 51 Akarp (SE)
  • WINDMAR, Dan
    S-744 95 Vittinge (SE)

(74) Representative: Bjerkén, Jarl Hakan et al
Bjerkéns Patentbyra KBP.O.Box 1274
801 37 Gävle
801 37 Gävle (SE)

   


(54) SWITCHING DEVICE INCLUDING SPARK GAP FOR SWITCHING ELECTRICAL POWER