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. 04, 2017
Filed:
May. 13, 2015
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Ken Takeuchi, Kasumigaura, JP;
Shinichiro Yoshida, Mito, JP;
Itaru Naya, Tsuchiura, JP;
Shigeyuki Yoshihara, Hitachinaka, JP;
HITACHI CONSTRUCTION MACHINERY CO., LTD., Tokyo, JP;
Abstract
An electric power storage device () disposed on a revolving frame () located closer to an upstream side in a flow direction of cooling air (F) than a heat exchanger () is provided on an upper revolving structure (). The electric power storage device () has a box-shaped casing () forming an outer wall and a battery module () provided in the casing () and accommodating an electrolyte. An electrolyte discharge pipe () for discharging an electrolyte mist and/or electrolyte injected out of the battery module () at abnormality of the battery module () to an outside of the upper revolving structure () is provided on the casing ().