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:
Jul. 21, 2026
Filed:
Feb. 05, 2024
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
A magnetic modulation gear includes a plurality of outer pole magnets arranged in a circumferential direction, a rotor that includes a plurality of magnetic pole pieces arranged in the circumferential direction on a radially inner side with respect to the outer pole magnets, a plurality of inner pole magnets arranged in the circumferential direction on a radially inner side with respect to the magnetic pole pieces, and a plurality of bearings that rotatably support the rotor, in which the plurality of bearings include one-side bearings located on one side in an axial direction with respect to the magnetic pole pieces, and a first bearing closest to the magnetic pole pieces, of the one-side bearings, is disposed within a region radially outward with respect to inner peripheral ends of the outer pole magnets, or within a region radially inward with respect to outer peripheral ends of the inner pole magnets.