US Patent 10507734 Battery state estimating apparatus
Patent 10507734 was granted and assigned to Toyota on December, 2019 by the United States Patent and Trademark Office.
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Patent abstract
A battery state estimating apparatus is provided with: an acquirer configured to obtain a complex impedance of a battery; a calculator configured to calculate a ratio of a variation of a predetermined feature amount regarding the complex impedance; and an estimator configured to estimate a charge amount of the battery on the basis of the ratio of the variation of the predetermined feature amount with respect to an integrated current value, which is an integrated value of an electric current flowing through the battery.
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Patent Inventor Names
Daikichi Mukoyama0
Kazuaki Utsumi0
Shingo Tsuda0
Tetsuya Osaka0
Tokihiko Yokoshima0
Yasumasa Oguma0
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US Patent 10507734 Battery state estimating apparatus
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Is a
Current assignee
Patent jurisdiction
Patent number
10507734
Date of patent
December 17, 2019
Patent application number
15888323
Date Filed
February 5, 2018
Patent primary examiner
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