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:
May. 19, 2026
Filed:
Nov. 04, 2021
Mitsubishi Electric Corporation, Tokyo, JP;
Takanori Ichikawa, Tokyo, JP;
Akira Kimishima, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
It is required to obtain an electric rotating machine apparatus that secures a heat-radiation property, suppresses upsizing, and can suppress the effect of noise generated from a current-supply circuit. The electric rotating machine apparatus according to the present disclosure includes an electric rotating machine, a heat sink having a plate-shaped portion extending toward axial-direction one side, a current-supply circuit board that is disposed on one surface of the plate-shaped portion of the heat sink and on which a current-supply circuit for supplying an electric current to the electric rotating machine is mounted, and a control circuit board that is disposed in such a way as to be spaced apart from and in parallel with the current-supply circuit board and on which a control circuit for controlling the current-supply circuit is mounted. In addition, an electric power steering apparatus according to the present disclosure includes the foregoing electric rotating machine apparatus.