Method for assembling rotor for use in ipm rotary machine
AssigneeShin-Etsu Chemical Co., Ltd.
InventorsYuhito Doi, Takehisa Minowa, Hajime Nakamura, Koichi Hirota
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Abstract
An interior permanent magnet (IPM) rotary machine comprises a rotor comprising a rotor yoke having bores and a plurality of permanent magnet segments disposed in the bores of the rotor yoke, each permanent magnet segment consisting of a plurality of magnet pieces. The rotor is assembled by inserting the plurality of unbound magnet pieces in each bore for stacking the magnet pieces, and fixedly securing the stacked magnet pieces in the bore.
Claims10
In connection with an interior permanent magnet (IPM) rotary machine comprising a rotor having an axis of rotation and comprising a rotor yoke having bores and a plurality of permanent magnet segments disposed in the bores of the rotor yoke, each permanent magnet segment consisting of a plurality of magnet pieces,
- a method for assembling the rotor comprising the steps of:
- inserting the plurality of magnet pieces in each bore of the rotor yoke, with the magnet pieces being kept loose from each other, for axially stacking the magnet pieces in the bore, and
- fixedly securing the stacked magnet pieces in the bore of the rotor yoke.
Dependencies are inferred from the claim text.