Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1983-06-13
1984-07-10
Miller, J. D.
Electrical generator or motor structure
Dynamoelectric
Rotary
310164, 310268, H02K 2116
Patent
active
044595018
ABSTRACT:
An electromechanical device which can be used as a motor or as a generator has a housing, including bearing means to support a rotatable shaft. A pair of disc magnets are poled to have opposite polarity on the two faces of each. The magnets are mounted face to face together on the shaft to define a rotor.
The device includes at least one first pole shoe in contact with one face of each magnet, and having a portion extending radially therefrom to define, in its preferred form, a pair of virtual pole chambers, of the same polarity as said one face. Also included is at least one second pole shoe in contact with the other face of each magnet and having a portion extending radially therefrom to define in its preferred form a pair of virtual pole chambers of the same polarity as the other face. 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 for electrical contact with the stator draw off current when the device is operated as a generator, or provide current to operate the device as a motor.
REFERENCES:
patent: 3330975 (1967-07-01), Osterwalder
patent: 3459982 (1969-08-01), Cartser
patent: 3469133 (1969-09-01), Stcherbatcheff
patent: 3849682 (1974-11-01), Binns
patent: 3904902 (1975-09-01), Inariba
patent: 3993920 (1976-11-01), Sato
patent: 4143288 (1979-03-01), Sato
Intra-Technology Assoc. Inc.
Miller J. D.
Munday John S.
Rebsch D. L.
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