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:
Oct. 28, 2025
Filed:
Oct. 26, 2023
Nsk Steering & Control, Inc., Tokyo, JP;
Akio Maruhashi, Tokyo, JP;
NSK STEERING & CONTROL, INC., Tokyo, JP;
Abstract
Provided are an electric drive device and an electric power steering device that reduce noise superimposed on a detection value detected by a current detection element in a path from the current detection element to a control circuit. The electric drive device includes a motor and an electronic control device including a circuit board. With a position on an extension line in an axial direction of a shaft as a reference position, a mounting area for a first motor driver circuit, a mounting area for a first current detection element, a mounting area for a plurality of drive elements of a first inverter circuit, and a disposition area for a first coil wiring are disposed in this order from the reference position to one side in a first direction.