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:
Nov. 15, 2016
Filed:
Aug. 09, 2013
Hitachi Koki Co., Ltd., Tokyo, JP;
Takuya Yoshinari, Hitachinaka, JP;
Haruhisa Fujisawa, Hitachinaka, JP;
Yuji Kishima, Hitachinaka, JP;
Naoto Wakatabe, Hitachinaka, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
A backpack-type power supply includes: a plurality of cell units () each configured of a plurality of secondary battery cell (); a case () configured to accommodate the cell units and having first and second contacts; and a harness () attached to the case, characterized by including; first connecting means () for electrically connecting the first contact and a positive terminal of each cell unit to form a first electrical path therebetween; and second connecting means () for electrically connecting the second contact and a negative terminal of each cell unit to form a second electrical path therebetween, each first electrical path and each second electrical path forming a total electrical path having a total resistance for each cell unit, the total resistance of each total electrical path being adjusted such that heat distribution is substantially uniform over the plurality of cell units in the case.