Brushless AC generator for use in automotive vehicle

Electrical generator or motor structure – Dynamoelectric – Rotary

Reexamination Certificate

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Details

C310S058000, C310S263000

Reexamination Certificate

active

07619338

ABSTRACT:
A brushless AC generator is mounted on a vehicle such as a truck, a farming vehicle or a construction vehicle. The generator is composed of a housing, stator fixedly contained in the housing, a rotor, for supplying a magnetic field to the stator, rotatably supported in the stator, and other associated components including a voltage regulator and a rectifier. The housing is composed of a front housing and a rear housing. An outside fan is connected to a rotor shaft and disposed at a front side. Cooling air is introduced into the generator by the outside fan through windows formed in the rear housing. A fringe surface of the window facing a shoulder portion of the rotor is sloped, so that the cooling air is smoothly introduced along the sloped surface thereby to improve cooling efficiency.

REFERENCES:
patent: 5705865 (1998-01-01), Ishida et al.
patent: 6384506 (2002-05-01), Kojima et al.
patent: 6417585 (2002-07-01), Oohashi et al.
patent: 6433457 (2002-08-01), Nakamura
patent: 6897583 (2005-05-01), Doeffinger et al.
patent: 6933635 (2005-08-01), Kurahashi
patent: 2002/0014807 (2002-02-01), Murata et al.
patent: 02-133053 (1990-05-01), None
patent: 04-117154 (1992-04-01), None
patent: A-07-231612 (1995-08-01), None
patent: 07-336974 (1995-12-01), None
patent: A-2001-292550 (2001-10-01), None
patent: 2002-112514 (2002-04-01), None
patent: A-2004-312884 (2004-11-01), None
Japanese Examination Report mailed Apr. 28, 2009, pp. 1-6.

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