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:
Dec. 13, 2011
Filed:
Oct. 25, 2006
Yasuaki Tahara, Nagoya, JP;
Yasuhiro Endo, Okazaki, JP;
Kazutaka Tatematsu, Nagoya, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi-Ken, JP;
Abstract
A drive device of a vehicle includes a motor generator, a lubricant circulating mechanism lubricating and cooling the motor generator, a power control unit controlling the motor generator, arranged on a circulation path of a lubricating oil and being in contact with the lubricating oil for transferring and receiving a heat to and from the lubricating oil, and a casing accommodating the motor generator, the lubricating mechanism and the power control mechanism, and provided with the circulation path. Preferably, the power control unit includes a power control element and a board () having a first main surface on which the power control element is mounted. The board () is provided on its second main surface side with a radiator fin (and) for contact with the lubricating oil in the circulation path.