Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1977-03-18
1978-07-11
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Rotary
310152, H02K 4906
Patent
active
041004418
ABSTRACT:
The improved magnetic transmission having an armature mounted to rotate about an axis of rotation. Each of a plurality of permanent magnets carried by the armature are magnetically oriented with each adjacent magnet having opposite magnetic polarities. Each of a plurality of drive motor permanent magnets is rotatably mounted at a fixed radial position with respect to the armature axis of rotation and is disposed in magnetic proximity with respect to the permanent magnets carried by the armature. An external power source is provided for driving all of the drive motor permanent magnets at a common speed and in a common direction. Each of the drive rotor permanent magnets is magnetically oriented for rotating the armature at a speed that is proportional to the rotating speed of the drive rotor permanents. The rotation of the drive rotor magnet pulls the armature magnets in a direction opposite thereto after an initial magnetically locked condition is overcome by the external power source. Diamagnetic material is positioned between the drive rotor magnets and the armature permanent magnets to cancel a portion of the magnetic force causing the initial magnetically locked condition.
REFERENCES:
patent: 3235761 (1966-02-01), Nohen
patent: 3287676 (1966-11-01), Davis et al.
patent: 3864587 (1975-02-01), Landry
patent: 3895245 (1975-07-01), Bode
Duggan Donovan F.
Gilliam Frank D.
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