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US 7,736,125 B2Granted
Removable bearing arrangement for a wind turbine generator
AssigneeGeneral Electric Company
InventorsBharat Sampathkumaran Bagepalli, Patrick Lee Jansen, Aniruddha Dattatraya Gadre
Life of this patent
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Abstract
A wind generator having removable change-out bearings includes a rotor and a stator, locking bolts configured to lock the rotor and stator, a removable bearing sub-assembly having at least one shrunk-on bearing installed, and removable mounting bolts configured to engage the bearing sub-assembly and to allow the removable bearing sub-assembly to be removed when the removable mounting bolts are removed.
Claims20
A direct-drive wind generator having removable change-out bearings comprising:
- a rotor and a stator;
- locking mechanisms configured to lock said rotor and said stator;
- a removable bearing sub-assembly coupled within said rotor and comprising at least one shrunk-on bearing installed therein;
- and
- removable mounting bolts configured to engage said bearing sub-assembly and to allow said bearing sub-assembly to be removed from said rotor when said mounting bolts are removed.
2 more elements
A direct-drive wind generator comprising:
- a stator;
- a rotor coupled to said stator;
- at least one locking mechanism configured to lock said rotor and said stator;
- a bearing sub-assembly removably positioned within said rotor, and having at least one shrunk-on bearing installed thereon;
- and
- at least one mounting bolt removably coupled to said bearing sub-assembly, said bearing sub-assembly removable from within said rotor with said at least one shrunk-on bearing installed on said bearing sub-assembly when said at least one mounting bolt is removed from said bearing sub-assembly.
3 more elements
Dependencies are inferred from the claim text.