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:
Apr. 17, 2018
Filed:
Apr. 24, 2014
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
An upper turning body is mounted on a lower travelling body to be capable of turning. An attachment is arranged in the upper turning body. A power storage device is arranged in the upper turning body together with the attachment. A discharge current from the power storage device drives electric parts. The power storage device has a housing in which a first flow path for coolant's flow is formed. A power storage module is arranged inside the housing. The power storage module includes stacked power storage cells, and the power storage cells are thermally coupled to the first flow path. The housing includes a lower housing and an upper housing. The first flow path is formed in one of a bottom panel of the lower housing and an upper panel of the upper housing.