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Pat. 11374487 United States, Int. Cl.22 B63H 23/24, F24F 11/46, F24F 11/88, H02M 1/42, H02M 1/44, H02M 5/04. Power source quality management system and air conditioner : Appl. N 16/614861 : Filed 30.05.2018 : Pub. 28.06.2022 : / Masaki Kono, Reiji Kawashima, Takayuki Fujita ; Assignee Daikin Industries Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11374487/en?oq=US11374487.html (дата обращения: ДД.ММ.ГГГГ).