Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Reexamination Certificate
2006-04-04
2006-04-04
Tibbits, Pia (Department: 2838)
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
C320S104000
Reexamination Certificate
active
07023107
ABSTRACT:
A power circuit for a battery for, even when an idle-stop operation is continuously performed, preventing reduction of an electric power supplied to a motor at start-up to obtain a set engine rpm. The power circuit includes a series-connected power supply in which a battery having a load and a capacitor group are connected in series with each other, a DC/DC converter for shifting electric power between the battery and the capacitor group, and between the battery and the load, and a controller for controlling the DC/DC converter. The controller detects the voltage of the capacitor group, and when the voltage detected is lower than a first threshold voltage, controls the DC/DC converter so that the capacitor group is charged with electricity.
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Okuda Tatsuya
Urakabe Takahiro
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