Patent ID: 11933268
Assignee: NORDEX ENERGY SPAIN, S.A.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 15:
16. A device to extend the life cycle of a wind turbine comprising a yaw system, wherein the device is placed between a nacelle and an upper part of a wind turbine tower, wherein the yaw system comprises:
a yaw bearing comprising:
a geared ring which in turn comprises a first ring connected to a geared crown, and
a second ring, and

at least a geared motor that is fixed to the nacelle or to the tower and which comprises at least a pinion which meshes with the geared ring,
wherein the device comprises at least one auxiliary connection element placed between the tower and the nacelle and said at least one auxiliary connection element is configured to provide a separation between the geared ring and a component to which the geared ring is connected while the geared ring and the at least one geared motor are maintained and powered in contact throughout the separation,
wherein the at least a geared motor is configured to rotate the geared ring around a yaw axis with respect to the component to which the geared ring is connectable, wherein the component is the tower or the nacelle.