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Pat. 10541607 United States, Int. Cl.22 F04D 15/00, D06F 34/08, D06F 35/00, H02K 7/14, H02M 1/32, H02M 3/07, H02P 27/04, D06F 34/10. Voltage doubling circuit for laundry treating appliance with high power variable frequency drive : Appl. N 15/946140 : Filed 05.04.2018 : Pub. 21.01.2020 : / Daniel Quinn ; Assignee Whirlpool Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10541607/en?oq=US10541607.html (дата обращения: ДД.ММ.ГГГГ).