US 12,214,679 B1
Self-contained charging system for electric vehicle battery
Richard Gruenhagen, San Clemente, CA (US)
Filed by Richard Gruenhagen, San Clemente, CA (US)
Filed on Apr. 19, 2024, as Appl. No. 18/641,328.
Int. Cl. B60L 50/90 (2019.01); B60L 50/60 (2019.01); B60L 53/60 (2019.01); G21H 1/06 (2006.01); H02J 7/02 (2016.01); H02J 7/34 (2006.01)
CPC B60L 50/90 (2019.02) [B60L 50/60 (2019.02); B60L 53/60 (2019.02); G21H 1/06 (2013.01); H02J 7/02 (2013.01); H02J 7/342 (2020.01); B60L 2210/30 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electric vehicle (EV) comprising:
a drivetrain system including:
an electric motor configured to supply motive power to the EV; and
a drivetrain controller configured to control electrical power supplied to the electric motor;
a power system including:
a primary energy storage device including one or more cells configured to supply electric current to the drivetrain controller of the drivetrain system,
wherein the primary energy storage device is configured for recharging from a source external to the EV;
a trickle charger device configured to supply a trickle charge to one or more components of the power system,
wherein the trickle charger device is a self-contained source of electric current that is generated autonomously and is not rechargeable; and
a power management controller configured to manage electric current supplied from the trickle charger device to the power system of the EV.