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
Procede de production d'un melange d'air et d'eau sous forme de particules, notamment des microgouttes d'eau en suspension dans l'air et appareil pour la mise en oeuvre de ce procede
Ultrasonic foundry level detector with air circulation - comprises ultrasound detector mounted in tube with fixing screws and compressed air propulsion device at top part of tube