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Pat. 10985687 United States, Int. Cl.22 H02P 1/26, H02K 11/33, H02M 1/14, H02M 7/5387, H02P 27/08. Common mode noise cancellation and DC ripple reduction techniques : Appl. N 16/383139 : Filed 12.04.2019 : Pub. 20.04.2021 : / Xin Wu, Lei Xing, Jung Muk Choe ; Assignee Hamilton Sundstrand Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10985687/en?oq=US10985687.html (дата обращения: ДД.ММ.ГГГГ).