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:
Jul. 12, 2011
Filed:
Mar. 02, 2010
Kinya Nakatsu, Hitachi, JP;
Takayoshi Nakamura, Hitachi, JP;
Ryuichi Saito, Hitachinaka, JP;
Takashi Suga, Yokohama, JP;
Hiroki Funato, Yokohama, JP;
Kinya Nakatsu, Hitachi, JP;
Takayoshi Nakamura, Hitachi, JP;
Ryuichi Saito, Hitachinaka, JP;
Takashi Suga, Yokohama, JP;
Hiroki Funato, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The object is to provide a power converter which is capable of minimizing an extent to which the power converter components other than the semiconductor module are thermally affected by the heat originating from the semiconductor module. A casing houses: semiconductor modulesconstituting a main circuit for power conversion; a capacitorelectrically connected to the main circuit; drive circuitsthat provide main circuit with a drive signal used in power conversion operation; a control circuitthat provides the drive circuit with a control signal used to prompt the drive circuit to provide the drive signal. Within the casing, a cooling chamber including a coolant passageis formed, and a chamber wall of the cooling chamber is formed with a thermally conductive material. At least the semiconductor modulesare housed inside the cooling chamber, and at least the capacitorand the control circuitare disposed outside the cooling chamber