SOLUTION: To provide a chemical spraying drone that actively uses the air flow made by rotors for spraying, comprising chemical spray nozzles and rotors (preferably two-stage rotors), wherein the chemical spray nozzles are positioned under the rotors and under a circular area with its center at a point offset by a predetermined distance rearward with respect to the flying direction from the rotor's rotation axis, its radius 90 percent of the radius of the rotor blade, on a straight line with a depression angle of about 60 degrees rearward from the horizontal line passing through the rotor's rotation axis. The position of the chemical spray nozzles may be dynamically adjusted.
DRUG SPREADING DRONE
19.12.2019
Patent
Elektronische Ressource
Englisch
EMERGENCY PARACHUTE SPREADING APPARATUS FOR DRONE AND SMALL-SIZE AIRCRAFT
Europäisches Patentamt | 2023