(19)
(11) EP 1 591 667 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.05.2009 Bulletin 2009/20

(43) Date of publication A2:
02.11.2005 Bulletin 2005/44

(21) Application number: 05102671.4

(22) Date of filing: 05.04.2005
(51) International Patent Classification (IPC): 
F04D 29/28(2006.01)
F04D 29/66(2006.01)
 F04D 29/42(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR LV MK YU

(30) Priority: 06.04.2004 IT FI20040083

(71) Applicant: ELEKTROMEC S.p.A.
62010 MONTEFANO (IT)

(72) Inventor:
  • Ferracuti, Fabrizio
    63020, MONTOTTONE (IT)

(74) Representative: Gervasi, Gemma et al
Notarbartolo & Gervasi S.p.A. Corso di Porta Vittoria, 9
20122 Milano
20122 Milano (IT)

   


(54) Fan unit


(57) This invention relates to a device for exhaust fan units comprising a casing and an impeller to achieve improved performance in terms of capacity and reduced noise levels.







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