Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1991-05-21
1993-01-05
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 58, 310 62, H02K 1600, H02K 900, H02K 906, H02K 902
Patent
active
051773880
ABSTRACT:
A tandem type alternator comprises a rotor rotatably supported inside a housing and having rotor cores having magnetic poles formed on outer peripheral portions of the rotor cores, respectively, and a plurality of stators arranged on an inside wall of the housing and in tandem in the direction of the axis of rotation of the rotor and having tooth-shaped stator cores which are positioned to be opposite to the magnetic poles of the rotor cores and on which multi-phase windings are wound, respectively. The stators have respectively the multi-phase windings wound thereon so that both multi-phase windings are shifted from each other in the direction of the axis of rotation of the rotor. The housing has ventilation window portions formed between and near the plurality of stators which provide communication between the interior and exterior of the housing, so that ventilation resistance within the housing is reduced and the cooling effect is increased.
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patent: 4954734 (1990-09-01), Iguchi et al.
Banzai Keiichiro
Hotta Toshiaki
LaBalle Clayton E.
Nippondenso Co. Ltd.
Stephan Steven L.
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