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:
Sep. 24, 2013
Filed:
Jan. 07, 2011
Takayuki Atarashi, Tsuchiura, JP;
Shuichi Terakado, Mito, JP;
Shigehisa Funabashi, Naka, JP;
Shinya Okumura, Kasumigaura, JP;
Shigekazu Kieda, Ishioka, JP;
Yasunori Ota, Tsuchiura, JP;
Takayuki Atarashi, Tsuchiura, JP;
Shuichi Terakado, Mito, JP;
Shigehisa Funabashi, Naka, JP;
Shinya Okumura, Kasumigaura, JP;
Shigekazu Kieda, Ishioka, JP;
Yasunori Ota, Tsuchiura, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
The construction machine including an engine room having an engine, a radiator ii for cooling the engine, and a hydraulic pump which are arranged therein, and a counterweight area which is located adjacent to the engine room and in which batteries are installed, a ventilation passage for cooling the engine room and a ventilation passage for cooling the batteries are formed separately and independently in the substantially same direction, and a flowing direction of cooling air flowing in the ventilation passage for cooling the engine room and a flowing direction of cooling air flowing in the ventilation passage for cooling the batteries are substantially parallel to each other.