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Pat. 11228254 United States, Int. Cl.22 H02M 7/08, H01F 30/02, H01F 30/12, H02M 7/219, H02M 7/06. Power converters, power distribution systems and methods of converting power : Appl. N 16/884251 : Filed 27.05.2020 : Pub. 18.01.2022 : / Frank Z. Feng ; Assignee Hamilton Sundstrand Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11228254/en?oq=US11228254.html (дата обращения: ДД.ММ.ГГГГ).