(19)
(11) EP 1 319 109 A1

(12)

(43) Date of publication:
18.06.2003 Bulletin 2003/25

(21) Application number: 01967895.2

(22) Date of filing: 17.09.2001
(51) International Patent Classification (IPC)7E04F 17/00, F24F 13/24, G10K 11/178
(86) International application number:
PCT/SE0101/983
(87) International publication number:
WO 0202/7118 (04.04.2002 Gazette 2002/12)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 18.09.2000 SE 0003350

(71) Applicant: ABB Fläkt AB
113 96 Stockholm (SE)

(72) Inventors:
  • NYGREN, Tomas
    S-172 72 Sundbyberg (SE)
  • JOHANSSON, Claes-Göran
    S-722 42 Västeräs (SE)
  • LARSSON, Mats
    S-722 23 Västeräs (SE)
  • ABOM, Mats
    S-175 46 Järfälla (SE)

(74) Representative: Dahlstrand, Björn et al
ABB Group Services Center ABLegal & Compliance/Intellectual Property
721 78 Västeras
721 78 Västeras (SE)

   


(54) SOUND ATTENUATOR