Halbach array generator/motor having an automatically...

Details Halbach array generator/motor having an automatically... Halbach array generator/motor having an automatically...

2005-02-22

2005-02-22

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S112000

Reexamination Certificate

active

06858962

ABSTRACT:
A motor/generator having its stationary portion, i.e., the stator, positioned concentrically within its rotatable element, i.e., the rotor, along its axis of rotation. The rotor includes a Halbach array. The stator windings are switched or commutated to provide a DC motor/generator much the same as in a conventional DC motor/generator. The voltage and power are automatically regulated by using centrifugal force to change the diameter of the rotor, and thereby vary the radial gap in between the stator and the rotating Halbach array, as a function of the angular velocity of the rotor.

REFERENCES:
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Klaus Halbach, “Application of permanent magnets in accelerators and electron storage rings (invited)”; Journal of Applied Physics; Apr. 15, 1985, pp. 3605-3608.

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