Flying device used as a hot air balloon comprises a closed gas-impermeable chamber with an additional bendable separating wall

摘要

Flying device comprises a closed gas-impermeable chamber (1) with an additional bendable separating wall (2). A light gas is filled in one side of the separating wall and atmospheric air is pumped into the other side or let out via a valve (4). Preferred Features: The gas chamber is dimensioned so that the flying device can be lifted to a determined height and landed using the required amount of atmospheric air.