ROTOR OF BRUSHLESS MOTOR AND ITS MANUFACTURING METHOD

摘要

A permanent magnet rotor (1) in which field permanent magnets (10) are installed in slots (9) of a yoke (3) comprising many silicon steel laminations (2) and which is used in a corrosive atmosphere or liquid. The permanent magnets (10) are covered with corrosion-proof plates of corrosion-proof material. Accordingly the permanent magnets (10) are not corroded when in use, and the permanent magnet rotor (1) can be easily manufactured.