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Pat. 11431238 United States, Int. Cl.22 H02M 1/32, B62D 5/04, H02H 3/16, H02H 7/08, H02M 7/48, H02M 7/5387, H02P 9/02, H02P 25/18, H02P 27/06, H02P 27/08, H02P 29/024, B60R 16/03, H02M 1/00. Power conversion device, motor drive unit, and electric power steering device : Appl. N 16/121064 : Filed 04.09.2018 : Pub. 30.08.2022 : / Takashi Kitamura, Eiji Wada ; Assignee Nidec America Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11431238/en?oq=US11431238.html (дата обращения: ДД.ММ.ГГГГ).