US Patent No: 7,945,402

Number of patents in Portfolio can not be more than 2000

Monitoring apparatus for secondary battery

ALSO PUBLISHED AS: 20090125256

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Abstract

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When the number of battery cells of a certain battery block is different from a reference number of cells, the inter-terminal voltage of the battery block is converted into the voltage corresponding to the reference number of cells. Thus, even when a plurality of battery blocks being different in the number of battery cells are included, a map for calculating the SOC may only be one. That is, since conventional software or calculation methods can be used, it is not necessary to increase the capacity of SOC calculation software or allowable battery output calculation software. As a result, a plurality of assembled batteries being different in the number of battery cells constituting each battery block can appropriately be monitored.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
TOYOTA JIDOSHA KABUSHIKI KAISHAAICHI-KEN15036

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aridome, Koji Toyota, JP 12 22

Cited Art Landscape

Patent Info (Count) # Cites Year
 
PANASONIC EV ENERGY CO., LTD. (1)
2006/0273,802 Secondary battery voltage correcting method and unit and battery residual capacity estimating method and unit 6 2004
 
SONY CORPORATION (1)
6,222,348 Battery system featuring transmission of battery data from a battery pack 12 2000
 
TOYOTA JIDOSHA KABUSHIKI KAISHA (1)
6,255,803 Method for detecting minor short in cells and method for detecting cell short in cells 12 2000

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