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Pat. 11038435 United States, Int. Cl.22 H02M 7/483, B60L 53/20, H02K 3/28, H02K 11/33, H02M 7/00, H02M 7/48, H02M 7/537, H02P 25/22, H02P 27/14, H02P 27/06. Converter, electrical polyphase system and method for efficient power exchange : Appl. N 16/159834 : Filed 15.10.2018 : Pub. 15.06.2021 : / Stefan Gotz ; Assignee Dr Ing Hcf Porsche Ag ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11038435/en?oq=US11038435.html (дата обращения: ДД.ММ.ГГГГ).