Generator rotor and method of assembling
AssigneeAlstom Renovables EspañA, S.L.
InventorCésar Muñiz Casais
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Abstract
Generator rotor comprising a rotor rim and a plurality of permanent magnet modules arranged at one of an inner and outer circumference of said rotor rim, wherein the rotor rim comprises a plurality of rotor rings separated by gaps between them, and attached to each other via a plurality of axial strips fixed to the other of the inner and outer, the permanent magnet modules comprise a base and one or more rows of magnets mounted on a top surface of said base, and wherein the permanent magnet modules are fixed to the strips by a plurality of fasteners extending through the gaps between the rotor rings.
Claims11
A generator rotor, comprising:
- a cylindrical rotor rim,
- a support structure supporting the cylindrical rotor rim, and
- a plurality of permanent magnet modules, wherein
- the cylindrical rotor rim is formed by a plurality of rotor rings axially arranged one behind the other and separated by gaps between them, the rotor rings being attached to each other via a plurality of axial strips fixed to one of an inner and outer circumference of the rings,
- the permanent magnet modules comprise a base and one or more rows of magnets mounted on a top surface of the base, and arranged at the other of the inner and outer circumference of the rings, and wherein
- the permanent magnet modules are secured to the rotor rings by a plurality of fasteners extending through the gaps between the rotor rings and connected to the axial strips.
Dependencies are inferred from the claim text.