To provide a changeover device for air conditioning system which independently operates two opening and closing blades with a single driving source.
In this changeover device for air conditioning system, opening and closing blades 2 and 3 opened and closed by a driving means are provided on two of three apertures 4 to 6 provided on a casing 7 of a damper. An energizing means for energizing the blade to one of an opening side or a closing side is provided on the respective opening and closing blades 2 and 3. A transmission mechanism independently opening and closing the respective opening and closing blades 2 and 3 to a side opposite to the energizing direction is provided on the driving means. A range wherein one of the opening and closing blade 2 or 3 is stopped and the other opening and closing blade 2 or 3 is opened or closed is provided at least on a part of an operation range of the driving means.
OSAWA AKIHIRO
MIURA RYOSUKE
SHINDO GIICHI
UENO TAKESHI
MORI YOJI
KYORITSU AIR TECH INC