General Electric Company

General Electric Renovables Espana, S.l.

General Electric Canada, Inc.

Bradley Graham Moore

Hemant Bhimrao Pawar

Ulrich Werner Neumann

Esat Sadi Yenigun

Vishan Rashmi Kulasekera

Kevin George Harding

Bharat S Bagepalli

Paul Stephen DiMascio

Darren John Danielsen

Charles Van Buchan

Peter James Fritz

Aaron John Mashue

Bradley James Miller

Blake Allen Fulton

Roman Kolar

Ryan Spencer Close

Mohan Muthu Kumar Sivanantham

Joseph Edward Birkenstock

Kurt J Goodwin

David Ray Hudnall

Rakesh Samal

Christopher Michael Bean

Vinay Bawane

Jonathan Zalar

Kurt Goodwin

Pedro Luis Benito Santiago

Verma Gitesh

A hub assembly for a wind turbine includes a hub having a surface defining a first set of bolt holes and a shaft having a flange having a second set of bolt holes. The first set of bolt holes is aligned with the second set of bolt holes at a hub-shaft interface. The hub assembly also includes a plurality of hub bolts extending through the first and second sets of bolt holes at the hub-shaft interface, a plurality of washers with one of the plurality of washers extending around each of the plurality of hub bolts, and at least one spacer positioned between the surface of the hub and a subset of the plurality of washers. At least two of the plurality of hub bolts extend through the at least one spacer.

Hub assembly for a wind turbine having a spacer

A main rotor shaft of a wind turbine configured to reducing contact pressure at a hub joint connection includes a flanged portion and a rod portion. The flanged portion includes an outer circumferential edge, an outer radial area, and an inner radial area. The outer radial area includes holes placed around the outer radial area for attachment to a wind turbine hub. The outer circumferential edge includes a groove placed atop the outer circumferential edge. The rod portion is formed with the inner radial area and configured for connection to a gearbox of a wind turbine.

Edge pressure relieving groove shaft

A system and method are provided for coupling a hub to a main shaft of a wind turbine. Accordingly, a plurality of fasteners are arranged within corresponding through holes of the hub of a wind turbine. At least one circumferential ridge segment is arranged radially adjacent to the head sections of the plurality of fasteners so as to resist a torque applied to each of the plurality of fasteners. A connection mechanism is utilized to secure the plurality of fasteners within the plurality of through holes so as to limit an axial translation of the plurality of fasteners prior to the coupling of the hub to the main shaft.

System and method for coupling a hub to a main shaft of a wind turbine

A method and system for re-indexing a pitch bearing of a wind turbine includes: installing a plurality of first mounts to the fixed outer race of the pitch bearing; positioning the rotor blade to a downwardly-oriented; installing a hydraulic system; pressurizing the hydraulic system so as to support the weight of the rotor blade with the hydraulic system; detaching the rotor blade from the pitch bearing; lowering the rotor blade a predetermined vertical distance from the hub; installing a plurality of second mounts to the rotor blade; attaching a plurality of supports between the first mounts and the second mounts; transferring the weight of the rotor blade from the hydraulic system to the plurality of supports; disengaging the hydraulic system; and re-indexing the pitch bearing so as to engage a new set of pitch bearing teeth.

System and method for re-indexing a pitch bearing of a wind turbine

A rotor for a wind turbine is disclosed. The rotor includes a hub, a rotor blade, and a bearing assembly configured to rotate the rotor blade with respect to the hub. The rotor further includes an insert, the insert including a first end, a second end, and a body extending therebetween. The first end is coupled to the hub and the second end is coupled to the bearing assembly. The second end defines a second plane oriented at a cone angle with respect to a first plane defined by the first end.

Cone angle insert for wind turbine rotor

A method of replacing a wind turbine blade includes suspending the wind turbine blade from support hub of a wind turbine, connecting one or more cable climbing members between the support hub and the wind turbine blade, and lowering the one or more cable climbing members and the wind turbine blade from the support hub.

Method and system for replacing a single wind turbine blade

A system and method for performing an external inspection on a rotor blade of a wind turbine are disclosed. The system may generally include a frame configured to extend at least partially around an outer perimeter of the rotor blade and a sensing device coupled to the frame. Additionally, first and second spacer arms may extend from the frame. The first spacer arm may be configured to contact a pressure side surface of the rotor blade. The second spacer arm may be configured to contact a suction side surface of the rotor blade.

System and method for performing an external inspection on a wind turbine rotor blade

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

A method and apparatus of turning rotary components of a rotary machine having a brake disc includes providing a turning gear assembly. The turning gear assembly includes a gear plate, a pinion gear and a gear motor coupled to the pinion gear. The method also includes coupling the turning gear assembly within the rotary machine using the gear plate such that the pinion gear engages with the brake disc, detecting a motion of the rotary machine, and rotating the brake disc using the pinion gear based on the detected motion.

Methods and systems for turning rotary components within rotary machines

A method of assembling a rotor shaft assembly is provided. The method includes assembling a self-aligning bearing seat from a first assembly and a second assembly such that the self-aligning bearing seat substantially circumscribes a rotor shaft. The method also includes creating an interface defined between the first assembly and the second assembly, such that when the rotor shaft experiences misalignment the interface accommodates misalignment of the rotor shaft.

Method of assembling a rotor shaft assembly

A method of fabricating a dynamo-electric machine rotor is provided. The method includes forming a plurality of laminations, such that a plurality of openings extend through the laminations between an outer peripheral edge and an inner peripheral edge arcuately spaced about the lamination wherein each opening includes an edge with a tongue that extends into the opening, stacking the laminations to form a core wherein adjacent opening are substantially aligned to form a slot in the core and filling the core slots with rotor bar material.

Growing community of inventors

Greenville, SC, United States of America

Bradley Graham Moore