Vehicular power supply system and vehicle
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United States of America Patent
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Jan 19, 2010
Grant Date -
Aug 21, 2008
app pub date -
May 2, 2006
filing date -
Jun 7, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vehicular power system includes: a secondary battery; an up-converter receiving a voltage of the secondary battery at a first connection node thereof, and up-converting a voltage between terminals of the secondary battery and outputting the up-converted voltage at a second connection node thereof; system main relays switching between connection and disconnection of the voltage up-converted by the up-converter to and from a load of a vehicle; and a case housing the secondary battery, the up-converter and the system main relays. Preferably the vehicular power supply system further includes a capacitor having one end connected to the second connection node of the up-converter and the case further houses the capacitor. Preferably the capacitor includes a plurality of series connected, electric dual layer capacitors. A vehicular power supply system suitable for being mounted in a vehicle and miniaturized, and a vehicle having the system mounted therein, can thus be provided.
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