Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1998-12-11
2000-01-25
Dougherty, Thomas M.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 58, 310 59, H02K 900
Patent
active
060182059
ABSTRACT:
A vehicle alternator includes a case having a pair of brackets placed back-to-back, in which ribs are disposed, which define ventilation windows (29; 74) in a bracket body. The ribs serve as heat passage members (54, 60; 73), which have higher thermal conductivity than the bracket body and are partially embedded in the bracket body. Therefore, heat resistance in the heat transfer passage between the stator and the ventilation windows is reduced, and heat generated by the stator is expelled efficiently from the ventilation windows to the outside air, and the temperature of the stator can be reduced.
REFERENCES:
patent: 4295067 (1981-10-01), Binder et al.
patent: 4963776 (1990-10-01), Kitamura
patent: 5729063 (1998-03-01), Adachi et al.
patent: 5903073 (1999-05-01), Mukai
Asao Yoshihito
Ohashi Atsushi
Dougherty Thomas M.
Mitsubishi Denki & Kabushiki Kaisha
Waks Joseph
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