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Patent Searching and Data


Title:
CONTROLLER FOR POWER SUPPLY CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2008/062856
Kind Code:
A1
Abstract:
An ECU executes a program which includes a step (S1010) of turning on an SMRP and an A-SMRP when an ignition switch is turned on (YES at S1000); a step (S1040) of detecting voltage values (VB(1), VB(2)) of operating batteries when a VH is detected (S1020) and that the VH is higher than 180V (YES at S1030); a step (S1060) of detecting that the SMRP connected to the operating battery is welded when the VB(1) is higher than 150V (YES at S1050); and a step (S1080) of detecting that the A-SMRB connected to the operating battery is welded when the VB (2) is higher than 150V (YES at S1070).

Inventors:
ICHIKAWA SHINJI (JP)
OBAYASHI KAZUYOSHI (JP)
Application Number:
PCT/JP2007/072607
Publication Date:
May 29, 2008
Filing Date:
November 15, 2007
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
ICHIKAWA SHINJI (JP)
OBAYASHI KAZUYOSHI (JP)
International Classes:
H02M3/155; B60L3/00; H01H47/00; H02M7/00
Domestic Patent References:
WO2006121144A12006-11-16
Foreign References:
JPH09284998A1997-10-31
JPH06276609A1994-09-30
JP2003319671A2003-11-07
Attorney, Agent or Firm:
FUKAMI, Hisao et al. (Nakanoshima Central Tower 22nd Floor,2-7, Nakanoshima 2-chome,Kita-ku, Osaka-sh, Osaka 05, JP)
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