Vehicle-use alternator

Details Vehicle-use alternator Vehicle-use alternator

2006-12-20

2009-12-15

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S089000

Reexamination Certificate

active

07633196

ABSTRACT:
The vehicle-use alternator includes a cooling fan rotating in one with a rotating shaft thereof to generate cooling air diffusing substantially in a radial direction of the rotating shaft, to thereby cool a stator thereof. A housing thereof rotatably supporting the rotating shaft and housing the rotor is provided with a plurality of supporting members circumferentially spaced on a periphery thereof to which the stator is secured, and a plurality of ribs formed on the periphery which are circumferentially arranged between the supporting members so as to form a plurality of cooling air discharge windows circumferentially arranged on the periphery. The ribs are inclined towards a downstream side with respect to a rotational direction of the rotor, and shaped that their inclination angles towards the downstream side between two adjacent ones of the supporting members reduce with increasing distance from a closer one of the two adjacent ones of the supporting members.

REFERENCES:
patent: 5650675 (1997-07-01), Kanaya et al.
patent: 6417585 (2002-07-01), Oohashi et al.
patent: 07-079543 (1995-03-01), None
patent: 2000-069714 (2000-03-01), None

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