VEHICLE POWER SUPPLY DEVICE - TOYOTA MOTOR CO LTD

Title:

VEHICLE POWER SUPPLY DEVICE

Document Type and Number:

WIPO Patent Application WO/2007/018223

Kind Code:

A1

Abstract:

A vehicle power supply device includes a battery (B1) as an accumulation device, a connection unit (50) for receiving power given from a generator (55) such as wind power generation device arranged outside the vehicle and fluctuating in the generation power and charging the accumulation device, and a power conversion unit operating as a load circuit during operation, detecting a voltage fluctuation during charge for receiving power from the generator (55), and converting it into current and voltage appropriate for charging the accumulation device. The power conversion unit has a first motor generator (MG1), a first inverter (20), a second motor generator (MG2), a second inverter (30), and a control device (60) for controlling the first and the second inverter (20, 30) so that power fed between a first and a second terminal is converted into DC power for supply to the accumulation device.

Inventors:

NAKAMURA MAKOTO (JP)
OYOBE HICHIROSAI (JP)
ISHIKAWA TETSUHIRO (JP)

Application Number:

PCT/JP2006/315699

Publication Date:

February 15, 2007

Filing Date:

August 02, 2006

Export Citation:

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Assignee:

TOYOTA MOTOR CO LTD (JP)
NAKAMURA MAKOTO (JP)
OYOBE HICHIROSAI (JP)
ISHIKAWA TETSUHIRO (JP)

International Classes:

B60L11/18; B60L9/18; B60L50/15; B60L50/16; B60R16/03; B60R16/04

Foreign References:

JPH08126121A	1996-05-17
JPH08214592A	1996-08-20
JP2004274945A	2004-09-30
JP2004064806A	2004-02-26
JP2004285991A	2004-10-14
JPH08107608A	1996-04-23
JPH04295202A	1992-10-20

Other References: