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:
May. 17, 2011
Filed:
Oct. 08, 2009
Koji Hata, Yokohama, JP;
Hiroshi Kuwaki, Fujisawa, JP;
Yasushi Kimura, Yokohama, JP;
Shinya Hamagishi, Fujisawa, JP;
Seiji Asai, Yokohama, JP;
Koji Hata, Yokohama, JP;
Hiroshi Kuwaki, Fujisawa, JP;
Yasushi Kimura, Yokohama, JP;
Shinya Hamagishi, Fujisawa, JP;
Seiji Asai, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Electronic equipment installed outdoors to house an internal unit is provided, meeting the waterproof standard and having an easily replaceable structure of the internal unit. The electronic equipment has an enclosure having a cover and a case with an opening and an air vent, and an internal unit in which an electronic component is mounted. The internal unit has a heat sink and radiation fins for releasing heat generated by the electronic component. The fins are inserted into the opening. The heat sink has a draining portion formed below the fins in a direction perpendicular to an extending direction of the radiation fins, a groove for waterproofing around the fins except an upper portion thereof, and two protrusions for fitting above the fins. The case has a rib for waterproofing around the opening except an upper portion thereof, and two holes for fitting above the opening.