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Pat. 10868487 United States, Int. Cl.22 H02P 27/06, H02K 7/00, H02P 6/28, H02P 31/00, H02M 1/00, H02M 1/14, H02M 7/5387, H02P 29/60. Motor drive device configured to detect capacitor deterioration and to restrict a motor based upon the detected deterioration : Appl. N 16/221823 : Filed 17.12.2018 : Pub. 15.12.2020 : / Takashi Imura, Junya Oishi ; Assignee Denso Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10868487/en?oq=US10868487.html (дата обращения: ДД.ММ.ГГГГ).