Hitachi Construction Machinery Co., Ltd.

Shinichiro Yoshida

Shigeyuki Yoshihara

Ken Takeuchi

Itaru Naya

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 ().

Growing community of inventors

Mito, Japan

Shinichiro Yoshida