The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2026
Filed:
Jun. 27, 2023
Robert Bosch Gmbh, Stuttgart, DE;
Daniel Zirkel, Wiernsheim-Serres, DE;
Gholamabas Esteghlal, Stuttgart-Weilimdorf, DE;
Markus Klein, Winnenden, DE;
Thomas Kiewnick, Freiberg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A method () of operating a flyback converter () to charge a DC link capacitor (), with the steps of: determining () a voltage (Ux), characterizing the voltage at the DC link capacitor (), specifying () a target charging current level (I_L) for charging the DC link capacitor () and specifying a corresponding duty cycle (Tx) for actuating the first circuit breaker () for as long as the determined voltage (Ux) falls below a first voltage level value (U), specifying () a target charging voltage level (U_L), for as long as the determined voltage (Ux) corresponds to the first voltage level (U) or the determined voltage (Ux) exceeds the first voltage level (U) and the determined voltage (Ux) falls below a second voltage level (U).