General Electric Company

Kurt J Goodwin

Bharat S Bagepalli

Bradley Graham Moore

Aaron John Mashue

Suresh S Tirumalai

A gear set is disclosed. The gear set includes a bearing including an inner race and an outer race, one of the inner race and the outer race being a ring gear including a plurality of first teeth having a first hardness; and a pinion meshable with the ring gear, and including a plurality of second teeth having a second hardness. The second hardness is no greater than the first hardness. A wind turbine incorporating such a gear set and a method of servicing a wind turbine are also disclosed.

Gear set, wind turbine incorporating such a gear set and method of servicing a wind turbine

An installation system and a method for mounting a rotor blade to a hub on a wind turbine are disclosed. The method includes coupling a rotor and a stator together, the rotor rotatably connected to the hub. The method further includes rotating the stator in a first direction, wherein rotation of the stator causes the rotor and the hub to rotate in the first direction. The method further includes securing the hub to prevent rotation of the hub. The installation system includes a coupling device configured to releasably couple a stator and a rotor together and a securing device configured to releasably secure the hub. The installation system further includes at least one stator drive device operably connected to the stator, the stator drive device configured to rotate the stator between a first position and a second position.

Method and apparatus for mounting a rotor blade on a wind turbine

A method and system for repairing a wind turbine component in a wind turbine is provided. A damaged region of a drive assembly affects the wind turbine component. The method includes the steps of, providing a replacement wind turbine component, providing a mount for the replacement wind turbine component, and installing the replacement wind turbine component and mount in an undamaged region of the drive assembly. The replacement wind turbine component and mount are located to avoid interaction with the damaged region.

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Greer, SC, United States of America

Kurt J Goodwin