×

Power source unit

  • US 20030090235A1
  • Filed: 11/12/2002
  • Published: 05/15/2003
  • Est. Priority Date: 11/14/2001
  • Status: Active Grant
First Claim
Patent Images

1. A power source unit comprising:

  • an inverter connected to a power transfer device;

    a first battery that can be charged and discharged through the inverter;

    a second battery that can be charged and discharged through the inverter, the second battery having a power voltage lower than a power voltage of the first battery;

    a power conversion device connected to the inverter, the power conversion device providing a transforming function; and

    a switching device provided between the power conversion device and the first and second batteries, the switching device switching a connection between the power conversion device and the first battery, and the power conversion device and the second battery, wherein the inverter is connected to the first and the second batteries through the power conversion device.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×