F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
F24F13/02—Ducting arrangements
F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
F24F13/062—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser having one or more bowls or cones diverging in the flow direction