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:
Dec. 22, 2020
Filed:
May. 27, 2016
Gree Green Refrigeration Technology Center Co., Ltd of Zhuhai, Guangdong, CN;
Daofu Hu, Guangdong, CN;
Yusheng Hu, Guangdong, CN;
Weilin Guo, Guangdong, CN;
Yongling He, Guangdong, CN;
Bin Yang, Guangdong, CN;
Xue Li, Guangdong, CN;
GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD OF ZHUHAI, Guangdong, CN;
Abstract
A control method for a magnetic bearing includes following steps: acquiring a suspension stopping instruction for the magnetic bearing, and respectively applying a control current to one or more control coils of the magnetic bearing to subject a rotor to a vertically or obliquely upwards electromagnetic force, a vertical component of the electromagnetic force is less than the gravity of the rotor. A control device for a magnetic bearing is also disclosed, including a suspension stopping instruction acquiring unit and a control current applying unit. The control method and control device for a magnetic bearing can control a falling velocity of the rotor to be lower than that of the rotor being subjected only to the gravity, and have higher control efficiency.