(19)
(11) EP 2 492 515 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.05.2018 Bulletin 2018/21

(43) Date of publication A2:
29.08.2012 Bulletin 2012/35

(21) Application number: 12154849.9

(22) Date of filing: 10.02.2012
(51) International Patent Classification (IPC): 
F04D 29/66(2006.01)
F04D 17/06(2006.01)
F24F 7/06(2006.01)
 F24F 13/24(2006.01)
F04D 29/44(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 28.02.2011 ES 201100220

(71) Applicant: Soler & Palau Research, S.L.
08150 Parets del Vallés (Barcelona) (ES)

(72) Inventor:
  • Gamissans Bou, Marius
    08500 VIC (BARCELONA) (ES)

(74) Representative: Cabinet Plasseraud 
66, rue de la Chaussée d'Antin
75440 Paris Cedex 09
75440 Paris Cedex 09 (FR)

   


(54) Helico centrifugal fan


(57) A helico centrifugal fan formed by a structural assembly comprising an air passage duct formed by an air convergence cone (2) and an air divergence cone (3) inside a tubular casing (1), which are axially separated, there being a silencer (7) between them arranged between the narrowest parts thereof.







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Search report