Brushless electromechanical machine

Details Brushless electromechanical machine Brushless electromechanical machine

2005-08-15

2008-10-07

Le, Dang D (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S268000, C310S112000

Reexamination Certificate

active

07432623

ABSTRACT:
An electromechanical machine having a stator and a rotor, the stator including at least one stator module of N toroid shaped electromagnets, the electromagnets arranged along an arc a predetermined distance apart defining a stator arc length. Each of the electromagnets has at least one gap. The rotor includes a disc adapted to pass through the at least one gap. The disc includes a plurality of permanent magnets spaced side by side about a periphery thereof and arranged so as to have alternating north-south polarities. The permanent magnets are sized and spaced such that within the stator arc length the ratio of permanent magnets to electromagnets is N+1 to N, where N is the number of electrical excitation phases applied to the electromagnets.

REFERENCES:
patent: 2993159 (1961-07-01), Devol
patent: 2006/0022552 (2006-02-01), Zhu et al.

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