| 摘要 |
1361845 Ventilating buildings; lighting fittings; systems of lighting SVENSKA FL€KTFABRIKEN AB 16 July 1971 [21 July 1970] 33578/71 Headings F4V and F4R A ventilation system for a room having fluorescent lamps 5 enclosed in fittings 6 comprises ducts 3, 4 for exhausting air from the room adjacent a window 1 and for passing the air over the lamps 5 to cool the lamps. The duct 3 may serve one or more ducts 4. The exhausted air may be delivered to an air conditioning unit for heat recovery, filtering and recirculation of air to the room. The room is an office or a hospital ward. |
