Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1986-12-12
1987-12-01
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310215, H02K 348
Patent
active
047106638
ABSTRACT:
In a dynamoelectric machine rotor whose armature has circumferentially spaced teeth defining therebetween coil slots in which coils are disposed and which are closed by coil wedges provided with shoulders which engage armature tooth projections formed at the radially outer ends of the armature teeth to retain the slot wedges and the coils in the coil slots, the shoulders of the coil slots have self-lubricating material structures disposed thereon by which they are in engagement with armature tooth projections for the transmission of centrifugal forces generated by the coils and slot wedges to the armature teeth through the self-lubricating material structure thereby greatly reducing armature tooth peak stresses.
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Bach K.
Skudy R.
Westinghouse Electric Corp.
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