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:
Jan. 10, 2017
Filed:
Mar. 04, 2011
Masatsugu Nakano, Chiyoda-ku, JP;
Yoshihito Asao, Chiyoda-ku, JP;
Isao Sonoda, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A motor drive control apparatus, on which a switching elementfor performing drive control of the motoris mounted, includes: a heat sinkplaced on the front side or rear side of the motor; and a housingthat is coupled to the heat sink and couples the heat sink to the frame or that covers the switching element mounted on the heat sink, and wherein an abutment surfacebetween the housing and the heat sink is located on a single plane intersecting with the direction of the rotation axis of the motor, and screw holesandfor coupling the frame, the heat sink and the housing to each other are provided such that the positions in the circumferential direction of the screw holesandcorrespond to each other.