ДВЕРЬ, ПРЕДНАЗНАЧЕННАЯ ДЛЯ ЗАКРЫТИЯ ПРОХОДА ВНУТРИ ВОЗДУШНОГО СУДНА

摘要

This door includes a device that permits air to flow through the door in one direction but prevents this flow of air in the opposite direction. On the attached illustration, the door includes at least a window (74), that less air pass through as well as an elastic membrane (76) covering window (74). Elastic membrane (76) includes on the one hand an area that is airtight facing window (74) and capable of fully covering it and on the other hand, an area that is pervious to air near the impervious area.