Electric power conversion systems – Current conversion – With cooling means
Patent
1997-10-27
1999-04-06
Wong, Peter S.
Electric power conversion systems
Current conversion
With cooling means
363144, 363143, 361697, 361709, H02M 744, H02M 100, H05K 720
Patent
active
058926763
ABSTRACT:
A rectifier bridges assembly for use with an automotive alternator includes a base plate conductively mounted to a ground and providing a negative heat sink, and an overlying finned positive heat sink structure having a surface area at least twice that of the base plate, which adjoins the base plate to cooperatively define a chamber therebetween. When utilized in connection with a standard 3-phase type AC electrical generator, three stator connection terminals are provided that each include an upper portion which extends through the positive heat sink structure in a non-conductive relation, and a lower portion disposed within the chamber and supported therein by a thermo-conductive, nonelectrically-conductive epoxy. Three diodes disposed within the chamber extend between the baseplate and respective ones of the stator connection terminals. Three additional diodes are disposed within the chamber between the respective stator connection terminals and the overlying positive heat sink structure. A stub is formed with the positive heat sink structure to which current output leads are attached. A voltage regulator lead wire extends through the positive heat sink structure to a selected one of the stator connection terminals.
REFERENCES:
patent: 3697814 (1972-10-01), Christman et al.
patent: 4493018 (1985-01-01), Hopmayer et al.
patent: 5473208 (1995-12-01), Stihi
Patel Rajnikant B.
Wong Peter S.
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