(19)
(11) EP 0 705 982 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
09.04.1997 Bulletin 1997/15

(43) Date of publication A2:
10.04.1996 Bulletin 1996/15

(21) Application number: 95202642.5

(22) Date of filing: 02.10.1995
(51) International Patent Classification (IPC)6: F04D 25/08, F04D 29/62, F04D 29/42
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 30.09.1994 NL 9401608

(71) Applicant: J.E. Stork Ventilatoren B.V.
NL-8401 AM Zwolle (NL)

(72) Inventor:
  • Bakkeren, Matthijs J.
    NL-6861 AE Oosterbeek (NL)

(74) Representative: Schumann, Bernard Herman Johan 
Arnold & Siedsma, Advocaten en Octrooigemachtigden, Sweelinckplein 1
NL-2517 GK Den Haag
NL-2517 GK Den Haag (NL)

 
Remarks:
A request for renumbering claims 17 and 18 to 16 and 17 has been filed pursuant to Rule 88 EPC. A decision on the request will be taken during the proceedings before the Examining Division (Guidelines for Examination in the EPO, A-V, 3.).
 


(54) Fan


(57) The invention relates to a fan adapted for use as component of a ventilation system for a building or a part thereof, for example a dwelling.
The invention provides a fan of the stated type which has the feature that:
   the motor directly supports the rotor;
   the housing has an opening through which the cavity is accessible from outside;
   the motor is supported by a cover with which the opening can be closed; and
   the cover can be coupled to the edge of the opening by means of coupling means embodied such that the cover can be coupled without a tool to the opening edge, which coupling means only form part of the edge and the cover, are for instance co-acting screw threads, a bayonet fitting, a snap-coupling.






Search report