US 11,936,289 B2
Vehicle electrical system
Franz Pfeilschifter, Munich (DE); Martin Götzenberger, Munich (DE); and Felix Müller, Munich (DE)
Assigned to Vitesco Technologies GmbH, (DE)
Appl. No. 17/623,402
Filed by Vitesco Technologies GmbH, Regensburg (DE)
PCT Filed Jul. 1, 2020, PCT No. PCT/EP2020/068468
§ 371(c)(1), (2) Date Dec. 28, 2021,
PCT Pub. No. WO2021/001406, PCT Pub. Date Jan. 7, 2021.
Claims priority of application No. 10 2019 209 854.1 (DE), filed on Jul. 4, 2019.
Prior Publication US 2022/0393573 A1, Dec. 8, 2022
Int. Cl. H02M 1/42 (2007.01); B60L 50/60 (2019.01); B60L 53/14 (2019.01); B60L 53/20 (2019.01); H02J 7/00 (2006.01)
CPC H02M 1/4208 (2013.01) [B60L 50/60 (2019.02); B60L 53/14 (2019.02); B60L 53/20 (2019.02); H02J 7/0063 (2013.01); H02J 2207/20 (2020.01)] 15 Claims
OG exemplary drawing
 
1. A vehicle electrical system comprising:
a DC charging connection;
a rechargeable battery;
a first DC-DC converter; and
an electrical drive,
wherein the first DC-DC converter:
i) has a first side that is connected to a connecting point via a first side of a first switch,
ii) has a second side connected to:
a) the electrical drive and,
b) connected to the rechargeable battery via a second switch and either the connecting point or directly connected to the rechargeable battery, and
wherein the vehicle electrical system has a second DC-DC converter that is either connected to the first side of the first switch or connected directly to the connecting point.