US 12,691,386 B2 · Rotor flight vehicle

Abstract

Rotor flight vehicle includes a first rotor, a power unit, a transmission from the power unit to the first rotor, wherein said transmission comprises at least one belt, a group of rotational axes, at least one power output axle connected to the power unit and at least one rotor axle connected to said first rotor, the belt is applied to the power output axle, the power output axle is concentric with a rotational axis, the belt transmits power to the rotor axle, the rotor axle is concentric with a rotational axis, wherein consecutive rotational axes of the group of rotational axes extend in a relation to each other such that the angle between them is in the range of 80-100 degrees, wherein the belt has a maximal torsion of 80-100 degrees, in the belt's transition between two respective consecutive rotational axes of the group of rotational axes.

Claims14

Dependent claims

A drone flight vehicle, comprising

a first rotor including a first rotor axle;
a power unit including a power output axle;
and
a transmission from the power unit to the first rotor, wherein said transmission comprises one belt,
wherein the transmission is configured to provide rotational power to the first rotor to provide a lift force to the drone flight vehicle,
wherein said belt wraps around the rotor axle at two different locations on the rotor axle, and the belt wraps around the power output axle at two different locations on the power output axle, and
wherein the drone flight vehicle comprises a second rotor, a third rotor, and a fourth rotor with a respective belt that runs in the same way as the belt of the first rotor, and a respective rotor axle of the second rotor, the third rotor, and the fourth rotor.

4 more elements

Dependencies are inferred from the claim text.

Rotor flight vehicle

Life of this patent

Rotor flight vehicle

Life of this patent

Abstract

Claims14