MULTI-SCREW AIRCRAFT Russian patent published in 2019 - IPC B64D35/04 B64C27/08

Abstract RU 2693616 C2

FIELD: machine building.

SUBSTANCE: multi-rotor aircraft comprises three propellers rotating with the help of three hydraulic engines, power plant, three hydraulic pumps, control unit and control valve.

EFFECT: longer flight duration and increased payload weight.

24 cl, 10 dwg

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RU 2 693 616 C2

Authors

Ljung, Anders

Dates

2019-07-03—Published

2015-10-28—Filed