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US 11,767,108 B2Granted
Aircraft (drone)
OwnerVladimir Aleksandrovich Davidoffinventor
Life of this patent
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Abstract
The present invention relates to the field of heavier-than-air aircraft, such as airplanes and unmanned aerial vehicles (UAV) and, in particular, to emergency rescue systems. The technical objective is accomplished by providing an aircraft, such as a drone, including a powerplant, a parachute, and a body. In particular, the parachute has a fixed shape, it is permanently in an opened state and is connected to the body by rigid braces, while the aircraft center of gravity is located below the aircraft aerodynamic center.
Claims23
An unmanned aerial vehicle aircraft comprising:
- a body;
- a powerplant within the body, the powerplant providing for powered flight by transmitting power to propellers;
- and
- a parachute connected to the body by rigid braces and having a fixed rigid shape,
- wherein the parachute is in a permanently opened state, and
- wherein a center of gravity of the aircraft is located below an aerodynamic center of the aircraft.
3 more elements
Dependencies are inferred from the claim text.