Alternator for vehicle

Electrical generator or motor structure – Dynamoelectric – Rotary

Reexamination Certificate

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Details

C310S052000, C310S054000, C310S064000

Reexamination Certificate

active

06864603

ABSTRACT:
An automotive alternator comprises: a stator provided with a stator coil; a rotor supported for rotation in the stator to apply an alternative magnetic field to the stator; a regulator for regulating output; a rectifier for rectifying generated current; a plurality of housings holding the stator and the rotor; and a coolant path through which a coolant flows through at least one of the plurality of housings to transfer heat generated in the stator coil outside the automotive alternator. Fastening devices formed of a material having good heat conductance fasten the regulator and a heatsink for the regulator together to the housing at a position apart from the housing to transfer heat generated by the regulator to the housing. Thus, the automotive alternator can maintain a stable cooling ability in a hot atmosphere for a long time.

REFERENCES:
patent: 4221982 (1980-09-01), Raver et al.
patent: 4980588 (1990-12-01), Ogawa
patent: 5798586 (1998-08-01), Adachi
patent: 6157105 (2000-12-01), Kuragaki et al.
patent: 6184602 (2001-02-01), Ooiwa et al.
patent: 6285100 (2001-09-01), Pflueger et al.
patent: 6528912 (2003-03-01), Asao
patent: 1041699 (2000-03-01), None
patent: 1041699 (2000-10-01), None
patent: 1096647 (2001-05-01), None
patent: 07-194060 (1995-07-01), None
patent: 2000-245111 (2000-09-01), None

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