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Pat. 10186861 United States, Int. Cl.22 H02J 1/00, H02J 7/00, H02M 7/483. Energy storage device comprising a DC voltage supply circuit and method for providing a DC voltage from an energy storage device : Appl. N 14/901447 : Filed 10.06.2014 : Pub. 22.01.2019 : / Holger Rapp, Martin Braun ; Assignee Robert Bosch Gmbh ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10186861/en?oq=US10186861.html (дата обращения: ДД.ММ.ГГГГ).