Abstract: The present invention relates to a device for controlling the yaw of an aviation device, such as a helicopter, said aviation device comprising a bearing structure and a rotating member connected to the bearing structure to be mobile in rotation, around an axis of rotation, relative to said bearing structure, wherein the rotating member comprises fixing means for fixing at least one blade, the yaw control device comprising a rotor and a stator which form, in combination, an electrical machine, wherein the bearing structure is connected to the first of this stator and this rotor, and wherein the rotating member is connected to the second of this stator and this rotor, wherein the electrical machine is suitable for generating an electromotive force applied to the rotating member.

Abstract: The present invention relates to a device for controlling the yaw of an aviation device, such as a helicopter, said aviation device comprising a bearing structure and a rotating member connected to the bearing structure to be mobile in rotation, around an axis of rotation, relative to said bearing structure, wherein the rotating member comprises fixing means for fixing at least one blade, the yaw control device comprising a rotor and a stator which form, in combination, an electrical machine, wherein the bearing structure is connected to the first of this stator and this rotor, and wherein the rotating member is connected to the second of this stator and this rotor, wherein the electrical machine is suitable for generating an electromotive force applied to the rotating member.

Abstract: The present invention consists of an aerial device, comprising a structure and a rotating element equipped with at least one blade, suitable for effecting a rotation relative to the structure around a rotation axis, wherein the device is equipped with means making it possible to cause the rotating element to rotate relative to the structure and wherein these means include a gas generator and a pipe that makes it possible to guide the gas towards an orifice at a distance from this rotation axis in order to cause the rotating elements to rotate by means of the gas ejected through the orifice, characterized in that the generator outlet and the pipe are part of the rotating elements and are suitable for rotating around the rotation axis relative to the structures.

Abstract: The present invention consists of an aerial device, comprising a structure and a rotating element equipped with at least one blade, suitable for effecting a rotation relative to the structure around a rotation axis, wherein the device is equipped with means making it possible to cause the rotating element to rotate relative to the structure and wherein these means include a gas generator and a pipe that makes it possible to guide the gas towards an orifice at a distance from this rotation axis in order to cause the rotating elements to rotate by means of the gas ejected through the orifice, characterised in that the generator outlet and the pipe are part of the rotating elements and are suitable for rotating around the rotation axis relative to the structures.