In-vehicle device cooling apparatus

Details In-vehicle device cooling apparatus In-vehicle device cooling apparatus

2011-03-08

2011-03-08

Phan, Hau V (Department: 3618)

Motor vehicles

Power

With means to guide and/or control air for power plant cooling

C180S068200, C180S068300

Reexamination Certificate

active

07900727

ABSTRACT:
A cooling apparatus cools a battery and a DC/DC converter. In a duct, a battery cooling fan having a great rated capacity is installed. The duct branches into a battery-side intake duct and a DC/DC converter-side intake duct on the downstream side of the battery cooling fan. In the battery-side intake duct, the battery is installed to received cooling air. In the DC/DC converter side intake duct, the DC/DC converter is installed to receive cooling air. A DC/DC converter cooling fan having a small rated capacity is installed directly upstream of the DC/DC converter. An ECU controls the two cooling fans based on the temperature of the battery and the DC/DC converter.

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