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Pat. 10224856 United States, Int. Cl.22 H02P 1/00, B60K 6/28, H01M 8/04858, H02M 5/458, H02P 27/04, H02P 27/06. Electrical drive system and energy storage apparatus therefor : Appl. N 15/668175 : Filed 03.08.2017 : Pub. 05.03.2019 : / Wolfgang Schuster, Oliver Fenker, Sven Welser ; Assignee Liebherr Components Biberach Gmbh ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10224856/en?oq=US10224856.html (дата обращения: ДД.ММ.ГГГГ).