| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ventilation system of the hinged double doors operated both manually and automatically, balanced well when opened, and enabling the perfectly automatic control of ventilation by comfortable window opening operation. <P>SOLUTION: This ventilation system is used for a single- or double-door window structured so as to be shakable by natural winds when the door is opened for ventilation, and comprising a window rotation regulator for regulating door opening angles and open/close operations, a closed window lock that engages a bottom windowframewitha bottom door frame when the window is closed, a separator for forcibly separating a frame-door sealing members rom the doors, a sudden closing impact buffer for reducing impacts of sudden closing of doors when they are open for ventilation, a housing device for reasonablyhousing thisbufferwhen the doors are fully closed, a sudden opening impactbuffer for reducing impacts of doors further rapidly opening when they are open for ventilation, an electric moor for regulating the door rotation, an electric motor for operating the closed door lock, the separator and the housing device, and an electric operation controller for controlling these two electric motors. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
