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:
Mar. 01, 2016
Filed:
Mar. 06, 2012
Katsuhiko Omae, Chiyoda-ku, JP;
Kohei Ushio, Chiyoda-ku, JP;
Katsuhiko Omae, Chiyoda-ku, JP;
Kohei Ushio, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
In an electric power steering driving unit provided with an electric motor that outputs auxiliary torque to a handwheel of a vehicle, a control apparatus having semiconductor switching devices that each control a current to the electric motor, and a noise filter that prevents noise, produced when the semiconductor switching devices each control a current to the electric motor, from being emitted, the noise filter is configured with a plurality of coils, capacitors that make pairs with the respective corresponding coils, and a bus bar that performs connections among the coils and the capacitors, and part of or all of the noise filter is configured as a structural member that is different from the control apparatus.