RIGID SHELL OF HOT AIR BALLOON Russian patent published in 2017 - IPC B64B1/62 

FIELD: aviation.

SUBSTANCE: rigid shell of the hot air balloon, in the wall of which from below there is an opening for the entry of the air heated by the burner, is horizontally divided into folding/sliding sections having flanges, wherein the flange of one section is the support for the flange of the other section. The flanges are provided with fastening elements, which exclude the shift of the sections when the lifting force of the air heated by the burner is increased/decreased. The upper section has a valve for discharging the air heated by the burner, wherein the cord opening the valve flap is laid in the cavity of the shell.

EFFECT: compact storage, acceleration of assembly and disassembly, increased safety of the hot air balloon flight.

3 cl, dwg 6