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:
Nov. 04, 2014
Filed:
Aug. 19, 2011
Osamu Suzuki, Kasumigaura, JP;
Yosuke Yasuda, Hitachinaka, JP;
Keisuke Horiuchi, Hitachinaka, JP;
Tomoo Hayashi, Kudamatsu, JP;
Atsuo Nishihara, Kashiwa, JP;
Sunao Funakoshi, Kasumigaura, JP;
Osamu Suzuki, Kasumigaura, JP;
Yosuke Yasuda, Hitachinaka, JP;
Keisuke Horiuchi, Hitachinaka, JP;
Tomoo Hayashi, Kudamatsu, JP;
Atsuo Nishihara, Kashiwa, JP;
Sunao Funakoshi, Kasumigaura, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A cooling system for an onboard electrical power converter in which a heat dissipation surface extends parallel to a flow of cooling air draft includes: a coolant tank containing coolant that includes a bottom surface being in thermal contact with the heat dissipation surface; a first conduit provided connecting to an upper surface of the coolant tank, the coolant flowing into the first conduit; a heat exchanger that comprises second conduits arranged with opposing the upper surface, and conducts the coolant to upstream; and a return unit that returns the coolant to the coolant tank; wherein the heat exchanger comprises heat dissipation fins through which the cooling air draft passes from a first to a second side, the heat dissipation fins being provided on surfaces of the second conduits, the first side not facing the coolant tank and the second side facing the coolant tank.