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:
Nov. 25, 2025
Filed:
Jan. 12, 2023
Applicant:
Quantentech Limited, Grand Cayman, KY;
Inventors:
Hengchun Mao, Allen, TX (US);
Xuezhong Jia, Allen, TX (US);
Assignee:
Quantentech Limited, Grand Cayman, KY;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 3/28 (2006.01); H02K 11/33 (2016.01); H02K 19/32 (2006.01); H02P 25/22 (2006.01);
U.S. Cl.
CPC ...
H02K 3/28 (2013.01); H02K 11/33 (2016.01); H02P 25/22 (2013.01);
Abstract
An apparatus has a plurality of poles facing an air gap, and the poles are configured to generate a magnetic field in the air gap. The poles include a group of unchanged poles and a group of reversible poles, where a polarity of each reversible pole is configured to be changed during an operation mode, and after the polarity has been changed, each reversible pole and at least an adjacent unchanged pole in effect merged into one augmented pole, such that the pole number of the magnetic field in the air gap is changed.