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:
Aug. 19, 2025
Filed:
May. 11, 2023
Applicant:
Yantai Jereh Petroleum Equipment & Technologies Co., Ltd., Yantai, CN;
Inventors:
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/26 (2006.01); E21B 33/13 (2006.01); F04B 17/03 (2006.01); F04B 49/00 (2006.01); G08B 21/18 (2006.01); H02P 25/22 (2006.01);
U.S. Cl.
CPC ...
H02P 25/22 (2013.01); E21B 43/2607 (2020.05); F04B 17/03 (2013.01); E21B 33/13 (2013.01); F04B 49/00 (2013.01); G08B 21/187 (2013.01);
Abstract
A multi-winding-motor driving system includes a motor and a power unit. The motor has multi-branch windings independent from each other. The power unit includes a rectifier unit and a plurality of inverter units, wherein the inverter units correspond to the multi-branch windings of the motor one to one, and each of the inverter units supplies power to corresponding one branch of the multi-branch windings of the motor.