Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1984-07-09
1986-01-21
Budd, Mark O.
Electrical generator or motor structure
Dynamoelectric
Rotary
H02K 2112
Patent
active
045659389
ABSTRACT:
An electromechanical device which can be used as a motor or as a generator. The device has a housing, including bearing means to support a rotatable shaft. Disc magnet means are provided, and poled to have alternating polarity and are mounted on the shaft to define a rotor.
The device includes at least one first pole shoe in contact with the magnet means, having a portion extending radially therefrom to define a virtual pole chamber, of a first polarity. Also included is at least one second pole shoe in contact with the magnet and having a portion extending radially therefrom to define a virtual pole chamber of the other polarity. A toroid stator is mounted on the housing and has windings thereon. The stator is positioned annularly around the disc magnets such that the virtual pole chambers of the first and second pole shoes surround portions of said windings with circumferentially alternating fields of alternating polarity. Means are provided for electrical contact with the stator to draw off current when the device is operated as a generator, or provide current to operate the device as a motor.
REFERENCES:
patent: 3549924 (1970-12-01), Klein
patent: 3906267 (1975-09-01), Coupin et al.
patent: 4075519 (1978-02-01), Mrcun
patent: 4334160 (1982-06-01), McCarty
patent: 4417186 (1983-11-01), Hirose
patent: 4459501 (1984-07-01), Fawzy
patent: 4488075 (1984-12-01), DeCesare
Budd Mark O.
Intra-Technology Associates, Inc.
Munday John S.
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