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Pat. 9923505 United States, Int. Cl.22 H02M 7/49, H02P 21/00, H02P 21/20, H02P 23/20, H02P 27/04, H02M 1/38. Methods and systems for controlling an electric motor : Appl. N 14/090365 : Filed 26.11.2013 : Pub. 20.03.2018 : / Yilcan Guzelgunler ; Assignee Regal Beloit America Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9923505/en?oq=US9923505.html (дата обращения: ДД.ММ.ГГГГ).