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Pat. 11454278 United States, Int. Cl.22 F16C 32/04, H02K 7/09, H02M 1/00, H02M 1/36, H02M 3/04, H02M 5/458, H02N 15/00. Power supply system for magnetic bearing and control method therefor : Appl. N 16/633958 : Filed 29.10.2018 : Pub. 27.09.2022 : / Weilin Guo, Yongling He, Fan Wang, Daofu Hu ; Assignee Gree Green Refrigeration Technology Center Co Ltd of Zhuhai ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11454278/en?oq=US11454278.html (дата обращения: ДД.ММ.ГГГГ).