Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1996-12-17
1999-01-26
Ramirez, Nestor
Electrical generator or motor structure
Dynamoelectric
Rotary
310 43, 310 45, 310215, 310201, H02K 330, H02K 332, H02K 334
Patent
active
058641939
ABSTRACT:
An electric rotating machine is constructed by an armature core including slots, upper coil trunks and lower coil trunks housed within the slots of the armature core, lower coil arms electrically connected at one end parts of the lower coil trunks, respectively disposed generally perpendicularly to the shaft, and upper coil arms electrically connected at one end parts to the upper coil trunks, respectively disposed generally perpendicularly to the shaft, and connected at the other end parts to the other end parts of the lower coil arms respectively. An insulating film for the upper coil trunk is made of an inorganic material having a higher heat resistance than an insulating film for the lower coil trunk and the insulating film for the upper coil trunk is thicker than the insulating film for the lower coil trunk. The slot has a circumferentially widened portion for housing the upper coil trunk and its insulating film.
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Denso Corporation
Ramirez Nestor
Tamai K. E. I.
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