The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 23, 2016
Filed:
Mar. 31, 2011
Atsuo Suga, Yokohama, JP;
Atsuo Suga, Yokohama, JP;
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;
Abstract
A storage battery system includes: a secondary battery; a holding member comprising a flow channel of a cooling medium for cooling the secondary battery, which holds the secondary battery; a medium temperature measuring unit that measures temperatures Tand Tof the cooling medium at two locations in the flow channel; a battery temperature measuring unit that measures a temperature Tof the secondary battery; and a judging unit that repetitively calculates a coefficient α and that judges a cooling performance of the secondary battery based on a variation of the coefficient α, the coefficient α being defined as (T−T)/(T−T), (T−T)/(T−T), or (T−T)/(T−T).