BALLOON Russian patent published in 2022 - IPC B64B1/40 B64B1/62 

FIELD: aircraft.

SUBSTANCE: invention relates to hot air balloons. Balloon contains tight shell, which is divided into main chamber 1 and additional chamber 2, which is located inside main chamber 1, which is filled with light gas. Additional chamber 2 is filled with hot gas, condensation temperature of which is higher than temperature of light gas in main chamber 1. Main chamber 1 is equipped with an external branch pipe 3 with valve 4. Additional chamber 2 is equipped with channel 5 passing inside main chamber 1, ending with external nozzle 6 with valve 7 fixed on the surface of main chamber 1. Additional chamber 2 is equipped with a connecting branch pipe 8 with valve 9 brought inside main chamber 1. In the lower part of main chamber 1 there is water collector 10 with drain channel 11 with valve 12.

EFFECT: invention is aimed at simplifying the balloon by avoiding the use of a burner and fuel during flight.

9 cl, 1 dwg