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. 24, 2007
Filed:
Oct. 29, 2004
Shinya Koga, Fukuoka, JP;
Toshihiko Matsuda, Fukuoka, JP;
Kyo Niwatsukino, Fukuoka, JP;
Toshisuke Sakai, Fukuoka, JP;
Toshiyuki Kubota, Fukuoka, JP;
Masashi Hirose, Fukuoka, JP;
Shigeru Narakino, Fukuoka, JP;
Yoshimitsu Aizono, Fukuoka, JP;
Kazuyuki Kasahara, Kanagawa, JP;
Shinya Koga, Fukuoka, JP;
Toshihiko Matsuda, Fukuoka, JP;
Kyo Niwatsukino, Fukuoka, JP;
Toshisuke Sakai, Fukuoka, JP;
Toshiyuki Kubota, Fukuoka, JP;
Masashi Hirose, Fukuoka, JP;
Shigeru Narakino, Fukuoka, JP;
Yoshimitsu Aizono, Fukuoka, JP;
Kazuyuki Kasahara, Kanagawa, JP;
Matsushita Electric Industrial Co., Ltd., Okasa, JP;
Abstract
A cooling device for cooling a heat-generating component includes a circulating passage arranged to have coolant circulate therein, a centrifugal pump including a first case made of metallic material, a second case made of resin material, and an impeller accommodated in the pump chamber, and a radiator provided at the circulating passage and being operable to release heat from the coolant. The first case has a surface arranged to contact the heat-generating component. The second case forms a pump chamber between the first case and the second case. The pump chamber stores the coolant therein. The impeller includes open-type vanes arranged to pressurize the coolant as to have the coolant flow through the circulating passage. The cooling device has a high cooling efficiency as well as a high operating efficiency of the motor while having a simple construction and a small overall size and a small thickness.