Refrigeration – With vehicle feature
Patent
1998-12-18
2000-08-01
Bennett, Henry
Refrigeration
With vehicle feature
62244, 622592, B60H 132
Patent
active
060949279
ABSTRACT:
An electric vehicle includes plurality of batteries accommodated in a rear portion of a battery box, and an electric part is accommodated in an electric part accommodating chamber provided in a front portion of the battery box. Cooling air supplied from a cooling fan to the rear portion of the battery box cools the batteries having a large thermal resistance, while being passed through a first cooling air passage around outer peripheries of the batteries at a low flow rate. A second cooling air passage having a smaller sectional area than that of the first cooling air passage is provided below the electric part accommodating chamber, and cooling fins protruding downwards from the electric part are exposed within the second cooling air passage. The second cooling air passage extends continuously the first cooling air passage in a downstream direction of airflow, so that cooling air which has first cooled the batteries then cools the electric part having a smaller thermal resistance, while being passed through the second cooling air passage at a higher flow rate than that in the first cooling air passage.
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Aitaka Kazuhiko
Anazawa Makoto
Watanabe Kazunori
Bennett Henry
Blackman William D.
Carrier Joseph P.
Honda Giken Kogyo Kabushiki Kaisha
Shulman Mark
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