Multiple ring armature core for direct current motor

Details Multiple ring armature core for direct current motor Multiple ring armature core for direct current motor

1985-11-12

1987-12-08

Wong, Peter S.

Electrical generator or motor structure

Dynamoelectric

Rotary

310216, H02K 1502

Patent

active

047120347

ABSTRACT:
A multiple ring armature core for a low profile DC motor. In one embodiment of the invention, the armature core is constructed of a plurality of insulated metal sheets or disks. Each sheet is in turn constructed of a plurality of rings or washers interfitted together with an air gap therebetween. The air gap is filled with an insulating material and the armature core completely encapsulated to form a composite structure. In another embodiment of the invention, the armature core is constructed of a plurality of sheets where a first sheet is made of powdered iron and a second sheet is made of solid iron.

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