Patent ID: 9273603
Filing Date: 2016-03-01
CPC Classification: B60K,B60L,F02B,Y02T

Claim Text:
1. A power supply system mounted in a vehicle, comprising: a rotary machine connected to an output shaft of an internal-combustion engine of the vehicle, the rotary machine having a power generation function for generating electrical power by receiving a torque from the output shaft of the engine, a start-up function for starting the engine by applying a torque to the output shaft of the engine, and an output assist function for assisting an output of the engine by applying a torque to the output shaft of the engine after start-up of the engine; a first secondary battery and a second secondary battery each electrically connected in parallel with the rotary machine; a connection switch provided along a connecting line electrically connecting the first and second secondary batteries, the connection switch being configured to electrically connect and disconnect the second secondary battery and a parallel connection of the first secondary battery and the rotary machine; and a switch controller configured to disconnect the second secondary battery and the parallel connection of the first secondary battery and the rotary machine by controlling the connection switch to a current cut-off state during the rotary machine starting the engine and during the rotary machine assisting the output of the engine.