Patent ID: 11885294
Assignee: WOBBEN PROPERTIES GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 8:
9. A rotor blade bearing for mounting a rotor blade on a hub, the rotor blade bearing comprising:
at least one first bearing ring which is arranged on a hub side and connected to a rotor blade hub by a first flange connection that includes a first longitudinal bolt; and
a second bearing ring which is arranged on a rotor blade side and connected to a rotor blade flange by a second flange connection that includes a second longitudinal bolt,
wherein the blade bearing comprises an extension portion for extending a clamping length of the second flange connection,
wherein the extension portion comprises a first contact face on the rotor blade side and a second contact face, wherein the first contact face is larger than the second contact face, and
wherein a size and a shape of a contact face of the rotor blade corresponds to a size and a shape of the first contact face of the extension portion, and the second contact face of the extension portion has a shape that corresponds to a shape of a contact face of the second bearing ring,
wherein a first mean circumference of the rotor blade hub, a second mean circumference of the rotor blade, a central axis of the first longitudinal bolt, a central axis of the second longitudinal bolt are offset from each other and are coaxial with respect to one another.