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. 04, 2010
Filed:
Oct. 17, 2006
Takeshi Matsuo, Hitachinaka, JP;
Haruki Hamada, Naka, JP;
Atsuo Nishihara, Kashiwa, JP;
Masanori Musou, Hitachinaka, JP;
Takeshi Matsuo, Hitachinaka, JP;
Haruki Hamada, Naka, JP;
Atsuo Nishihara, Kashiwa, JP;
Masanori Musou, Hitachinaka, JP;
Hitachi, Ltd., , JP;
Abstract
Water paths for feeding a coolant water through a power converter mounted on an automobile are arranged in parallel, openings are formed on the water paths respectively, heat radiating fins project from the openings, and the openings are closed by a base plate of the power module. Further, the base plate of the power module includes a metal in addition to copper to increase a hardness of the base plate, so that a deterioration of the flatness during fixing the fins with brazing is restrained.