(19)
(11) EP 0 260 973 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
26.07.1989 Bulletin 1989/30

(43) Date of publication A2:
23.03.1988 Bulletin 1988/12

(21) Application number: 87308248.1

(22) Date of filing: 17.09.1987
(51) International Patent Classification (IPC)4F24F 13/08, F24F 13/075
(84) Designated Contracting States:
DE FR GB NL SE

(30) Priority: 18.09.1986 NO 863739

(71) Applicant: NORSK HYDRO A/S
0257 Oslo 2 (NO)

(72) Inventors:
  • Bakken, Trygve
    N-1346 Gjettum (NO)
  • Seljebo, Gunnar
    N-0753 Oslo 7 (NO)

(74) Representative: Allen, Oliver John Richard et al
Lloyd Wise, Tregear & Co., Commonwealth House, 1-19 New Oxford Street
London WC1A 1LW
London WC1A 1LW (GB)


(56) References cited: : 
   
       


    (54) Louvered ventilators


    (57) A louvered ventilator consists of several vertically arranged louver members (2) which are fastened at their upper and lower ends to a frame construction (3).
    Such louvered ventilators are used for separating water (rain) from the air passing through.
    The louver members (2) have S-like shape and are provided with longitudinally disposed drain bores or canals (8) which are open towards the surface of the louver member through a slit (9).





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