Alternator for vehicle

Details Alternator for vehicle Alternator for vehicle

1998-11-27

2000-06-20

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 58, 310263, H02K 906

Patent

active

060781165

ABSTRACT:
An alternator for a vehicle includes a field rotor having a pair of pole cores with a plurality of claw poles, a stator disposed around the rotor, and a frame for supporting the rotor and the stator. The frame has a plurality of air intake windows at axial ends thereof and a plurality of air discharge windows at circumferential portions thereof. The rotor has a cooling fan with a plurality of fan blades disposed at one end of the pair of pole cores. The number of the blades is smaller than the number of the claw poles.

REFERENCES:
patent: 4757221 (1988-07-01), Kurihashi et al.
patent: 5021696 (1991-06-01), Nelson
patent: 5028826 (1991-07-01), Kitamura
patent: 5097167 (1992-03-01), Kanayama et al.
patent: 5329199 (1994-07-01), Yockey et al.

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