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. 04, 2022
Filed:
Dec. 02, 2019
Applicant:
Hiwin Mikrosystem Corp., Taichung, TW;
Inventors:
Assignee:
HIWIN MIKROSYSTEM CORP., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/276 (2022.01); H02K 29/03 (2006.01);
U.S. Cl.
CPC ...
H02K 1/276 (2013.01); H02K 29/03 (2013.01); H02K 2213/03 (2013.01);
Abstract
A rotor apparatus for a permanent-magnet motor has the main technical feature of a ring rotor with its magnets arranged according to the Halback magnetic ring array. In addition, for a distance between magnets of a parallel array and the outer ring edge of the rotor, and for a diameter difference between the inner and outer diameters of the ring rotor, a ratio between said distance/said diameter difference is between 0.43 and 0.48.