(19)
(11) EP 0 924 436 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.02.2000 Bulletin 2000/08

(43) Date of publication A2:
23.06.1999 Bulletin 1999/25

(21) Application number: 98830730.2

(22) Date of filing: 03.12.1998
(51) International Patent Classification (IPC)7: F04D 29/42, F04D 29/02, F04D 29/66
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 17.12.1997 IT MC970027 U

(71) Applicant: L.N. di NATALINI LINO & C. - S.r.l.
62010-Montecassiano (MC) (IT)

(72) Inventor:
  • Natalini, Lino
    Macerata (IT)

(74) Representative: Baldi, Claudio 
Piazza Ghislieri, 3
60035 Jesi (Ancona)
60035 Jesi (Ancona) (IT)

   


(54) Fan casing


(57) This invention relates to a fan for gas boilers with proof combustion, comprising a centrifuge rotor housed inside a spiral made up of two die-cast aluminum semi-shells (1,2), of which one (1) is externally provided with a bracket (5) for the support and centering of the motor-rotor assembly made from one die cast piece together with its semi-shell (1).






Search report