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:
Apr. 02, 2024
Filed:
Jan. 08, 2020
Hitachi Astemo, Ltd., Hitachinaka, JP;
Takahiro Araki, Tokyo, JP;
Kinya Nakatsu, Tokyo, JP;
Takayoshi Nakamura, Tokyo, JP;
Akihiro Namba, Tokyo, JP;
Hiroyuki Ooiwa, Hitachinaka, JP;
Hideki Miyazaki, Hitachinaka, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
An object of the present invention is to provide a wheel drive device capable of suppressing a temperature increase in an electric motor and a power conversion device and suppressing occurrence of a failure of an electric component. Provided are: an electric motor having a statorand a rotor; a stator holderthat holds the stator; a power conversion devicethat converts power supplied to the electric motor; and a wheel which accommodates the electric motor, the stator holder, and the power conversion deviceon the inner peripheral side. The stator holderincludes a flow paththrough which a cooling medium flows. The flow pathis arranged between the statorand the power conversion device