Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1982-05-17
1983-11-08
Gellner, Michael L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310268, G03B 908, H02K 122
Patent
active
044138954
ABSTRACT:
An electromagnetic actuator of the type having an armature positioned for movement in a magnetic gap is characterized by the armature being sufficiently compliant so as to allow the armature to contact the sides of the gap, and easily conform to the shape of the gap. The magnetic gap is substantially coextensive with the armature, for providing mechanical support to the armature.
In one embodiment of the invention, the compliant armature is employed in a reciprocating actuator for a photographic shutter/aperture. In another embodiment, the invention is employed in a rotary DC motor of the pancake type. In a still further embodiment, the invention is employed in a rotary DC motor of the cup or basket type.
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Close Thomas H.
Eastman Kodak Company
Gellner Michael L.
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