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:
Jul. 04, 2017
Filed:
Oct. 15, 2013
Komatsu Ltd., Tokyo, JP;
Youhei Shinada, Oyama, JP;
Komatsu Ltd., Tokyo, JP;
Abstract
A charging device includes: a housing; a heat radiation member storage room to which a part of electric parts in a power conversion unit is attached, and which houses a heat sink including fins; an electric parts storage room housing other electric parts of the power conversion unit and a control unit; a first suction port introducing a gas into the heat radiation member storage room and a first exhaust port discharging the gas; a second suction port introducing the gas into the electric parts storage room and a second exhaust port discharging the gas; a first fan introducing the gas into the heat radiation member storage room and a second fan introducing the gas into the electric parts storage room; a suction-side waterproof cover that covers the first and second ports; and an exhaust-side waterproof cover covering the first and second exhaust ports.