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Patent Searching and Data


Title:
VEHICLE DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/098928
Kind Code:
A1
Abstract:
This vehicle drive device is equipped with: a first battery (111) for storing direct-current power; a power transmission means having power transmission antennas for wirelessly transmitting the electric power of the first battery; a power reception means for wirelessly receiving the electric power; motors (M) that are mounted on respective wheel hubs; second batteries (212a) that are provided on the respective wheels and that are for storing the direct-current power received by the power reception means; inverters (203a); a torque control unit (222) for controlling rotational drive of the motors; a remaining amount control unit (221) for controlling the wireless transmission of the electric power from the transmission means to the reception means; a monitoring means for monitoring the amounts of electric power stored in the second batteries; an acquisition means for obtaining route information that indicates a planned traveling route of the vehicle, road alignment information, traveling resistance change information that indicates a change in traveling resistance on the planned traveling route, and an in-wheel motor efficiency map; and a computation means for , on the basis of the obtained information, computing stored power amount change information that indicates a change in the amount of electric power stored in the second batteries. The remaining amount control unit regulates the amount of electric power to be supplied from the transmission means to the reception means such that the stored power amount indicated by the stored power amount change information falls within a predetermined range.

Inventors:
KITANO KAZUTOSHI (JP)
KATO MASAHIRO (JP)
Application Number:
PCT/JP2011/080132
Publication Date:
July 04, 2013
Filing Date:
December 26, 2011
Export Citation:
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Assignee:
PIONEER CORP (JP)
KITANO KAZUTOSHI (JP)
KATO MASAHIRO (JP)
International Classes:
B60L11/18; B60K7/00; H02J7/00; H02J17/00
Foreign References:
JP2006160033A2006-06-22
JP2006174548A2006-06-29
JP2006345677A2006-12-21
Attorney, Agent or Firm:
SAKAI, AKINORI (JP)
Akinori Sakai (JP)
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Claims: