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US 2021/0296962 A1Published application
Automotive alternator rotor
AssigneeMitsubishi Electric Corporation
InventorShiro IIZUKA
Life of this patent
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Abstract
An automotive alternator rotor includes: a pair of magnetic pole cores; a field coil that is disposed on the magnetic pole cores; and a cooling fan that is fixed to the magnetic pole cores. The cooling fan includes: a base portion that is fixed to an axial end surface of the magnetic pole cores; and a plurality of vane portions that protrude axially from the base portion. A jamming suppressing portion that suppresses jamming together of cooling fans when one of the cooling fans is stacked on another of the cooling fans is disposed on the base portion.
Claims4
An automotive alternator rotor comprising:
- a pair of magnetic pole cores that each comprise a plurality of magnetic pole claws;
- a field coil that is disposed on the magnetic pole core;
- and
- a cooling fan that is fixed to the magnetic pole core,
- wherein:
- the cooling fan comprises:
- a base portion that is fixed to an axial end surface of the magnetic pole core;
- and
- a plurality of vane portions that protrude axially from the base portion;
- and
- a jamming suppressing portion that suppresses jamming together of cooling fans when one of the cooling fans is stacked on another of the cooling fans is disposed on the base portion.
8 more elements
Dependencies are inferred from the claim text.