(19)
(11) EP 1 998 051 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.07.2011 Bulletin 2011/30

(43) Date of publication A2:
03.12.2008 Bulletin 2008/49

(21) Application number: 08104158.4

(22) Date of filing: 29.05.2008
(51) International Patent Classification (IPC): 
F04D 29/38(2006.01)
 F04D 25/08(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 29.05.2007 NL 2000667

(71) Applicant: Ter wijlen, Herman
7696 BJ Brucht (NL)

(72) Inventor:
  • Ter wijlen, Herman
    7696 BJ Brucht (NL)

(74) Representative: Mink-Lindenburg, Charlotte Hildegard 
Octrooibureau Mink B.V. Twentepoort Oost 61-25
7609 RG Almelo
7609 RG Almelo (NL)

   


(54) Fan system


(57) The invention relates to a fan system (1) comprising a frame (2) for mounting of the fan system, for instance on a ceiling of a building. A motor (3) is arranged in the frame. The motor drives a rotatable shaft (4). A number of fan blades (5) are attached at an angle of tilt to the rotatable shaft (4). The angle of tilt lies substantially between 15 and 25 degrees, and is preferably substantially 20 degrees.







Search report