| 摘要 |
PCT No. PCT/FI91/00088 Sec. 371 Date Aug. 13, 1992 Sec. 102(e) Date Aug. 13, 1992 PCT Filed Mar. 28, 1991 PCT Pub. No. WO91/15311 PCT Pub. Date Oct. 17, 1991.A ventilation apparatus, which is installed in the ceiling of a room, particularly a kitchen, laundry or the like. The ventilation apparatus (1) comprises a wall element (3) directed downwardly from the ceiling, which wall element is formed of a number of elongated parts (4) provided with vertical chambers (5). The shells (6) of the parts (4) are provided with inlet apertures (7), through which apertures and chambers the exhaust air is conducted out of the room.
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