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:
Mar. 08, 2005
Filed:
Mar. 27, 2003
Applicants:
Masao Nakano, Shiga, JP;
Hiromasa Ashitani, Shiga, JP;
Inventors:
Masao Nakano, Shiga, JP;
Hiromasa Ashitani, Shiga, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D023/12 ;
U.S. Cl.
CPC ...
Abstract
A semiconductor cooling device includes at least one cold plate for cooling a semiconductor element, a condenser adapted to be cooled by a fan, and a refrigerant pump. The refrigerant pump is electrically connected to an inverter controller that controls the number of revolutions of the refrigerant pump.