Rotor for an electric machine

Details Rotor for an electric machine Rotor for an electric machine

2005-05-27

2009-11-17

Nguyen, Tran N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156520, C310S216055

Reexamination Certificate

active

07619342

ABSTRACT:
The object of the invention is a rotor for an electrical machine (2) formed from layered sheets (5, 22) essentially perpendicular to the rotor's axis of rotation. According to the invention, the rotor comprises at least one first sheet pack (4) that is located close to the central axis of the rotor's revolution and has cavities essentially equal in width to the rotor poles on the side of the rotor's circumference, and at least one second sheet pack (20) that is fitted to the cavity in the first sheet pack and essentially extends to the rotor's circumference, forming the outer surface of the rotor pole. A space (21) extending to the rotor's outer circumference has been arranged between the first and second sheet pack into which permanent magnets (26) intended for the magnetization of the motor are fittable.

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International Search Report dated Oct. 18, 2005.
Finnish Search Report, (Jan. 14, 2005).

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