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Application filed by Eino Olavi NaukkarinenfiledCriticalEino Olavi Naukkarinen
Priority to FI276565ApriorityCriticalpatent/FI43471B/fi
Application grantedgrantedCritical
Publication of FI43471BpublicationCriticalpatent/FI43471B/fi
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
F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades