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Pat. 10189357 United States, Int. Cl.22 H02J 3/14, H02J 3/16, H02M 1/08, H02M 1/14, H02M 3/158, H02M 1/00. Reduced ripple converter for hybrid drive systems : Appl. N 15/597248 : Filed 17.05.2017 : Pub. 29.01.2019 : / Ke Zou, Chingchi Chen, Michael W. Degner ; Assignee Ford Global Technologies LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10189357/en?oq=US10189357.html (дата обращения: ДД.ММ.ГГГГ).