(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 |
(22) |
Date of filing: 17.09.1987 |
|
|
(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) |
|
|
|
(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).