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Pat. 10491074 United States, Int. Cl.22 H02K 7/02, H02J 3/30, H02J 15/00, H02K 3/28, H02M 1/12, H02M 5/27, H02M 5/48, H02P 23/26, H02P 25/22. Electro-mechanical kinetic energy storage device and method of operation : Appl. N 15/351776 : Filed 15.11.2016 : Pub. 26.11.2019 : / Stephen B. Kuznetsov ; Assignee Raytheon Co ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10491074/en?oq=US10491074.html (дата обращения: ДД.ММ.ГГГГ).