Rotary electric apparatus with high cooling performance

Details Rotary electric apparatus with high cooling performance Rotary electric apparatus with high cooling performance

2007-09-04

2007-09-04

Tamai, Karl (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C322S024000, C322S028000, C322S025000, C322S027000, C322S059000, C310S063000, C310S059000, C310S058000

Reexamination Certificate

active

10949296

ABSTRACT:
A rotary electric apparatus, such as on-vehicle three-phase AC generator (i.e., alternator) comprises a main rotary unit, a semiconductor power converter, and an air cooling mechanism. The main rotary unit is provided with a rotor and an armature disposed as a stator around the armature. The armature has armature windings wound therearound. The semiconductor power converter is disposed together with the main rotary unit. The air cooling mechanism cools down the semiconductor power converter. This mechanism comprises a fan motor driven in response to an AC (alternating current) excitation by current coming from the armature windings.

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Japanese Office Action with English-language Translation, Mar. 13, 2007, pp. 1-5.

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