| 摘要 |
FIELD: machine building. ^ SUBSTANCE: invention is related to device that comprises at least one channel for air passage with air intake opening intended for ventilation of at least one limited zone in airplane with fresh air coming higher in flow through air intake opening in channel and exiting lower in flow to zone subject to ventilation. Invention differs by the fact that cross section of channel for air passage may be controlled depending on speed and height of airplane, and device for this purpose comprises membrane, which is elastically deformed under action of control facility by means of fluid medium for the possibility to change channel cross section. ^ EFFECT: increased efficiency of ventilation. ^ 1 cl, 15 dwg |
