Библиографическая ссылка на патент
Pat. 11217386 United States, Int. Cl.22 H01F 27/38, H01F 30/16, H02M 3/335, H02M 5/12. Transformers, power converters having tranformers, and methods of converting electrical power : Appl. N 16/671961 : Filed 01.11.2019 : Pub. 04.01.2022 : / Frank Z. Feng, John Duward Sagona ; Assignee Hamilton Sundstrand Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11217386/en?oq=US11217386.html (дата обращения: ДД.ММ.ГГГГ).