US 12,155,260 B2
Charging system and charging method
Kazuto Okazaki, Osaka (JP); and Shunya Takase, Osaka (JP)
Assigned to KUBOTA CORPORATION, Osaka (JP)
Filed by KUBOTA CORPORATION, Osaka (JP)
Filed on Apr. 18, 2023, as Appl. No. 18/135,849.
Claims priority of application No. 2022-128802 (JP), filed on Aug. 12, 2022.
Prior Publication US 2024/0055887 A1, Feb. 15, 2024
Int. Cl. H02J 7/00 (2006.01); B60L 50/60 (2019.01); H02J 7/34 (2006.01); A01D 34/00 (2006.01); A01D 101/00 (2006.01)
CPC H02J 7/342 (2020.01) [B60L 50/60 (2019.02); H02J 7/0013 (2013.01); A01D 34/001 (2013.01); A01D 2101/00 (2013.01); B60L 2210/30 (2013.01); H02J 2207/20 (2020.01)] 5 Claims
OG exemplary drawing
 
1. A charging system comprising:
a first battery mountable in an electric work vehicle;
an electric motor mounted in the electric work vehicle and driven by an electric power from the first battery;
a power take-off shaft mounted in the electric work vehicle and driven by a motive power from the electric motor;
a work device connected to the power take-off shaft to be driven by the motive power from the electric motor;
a second battery mountable in an electric automobile; and
a converter configured to be conductively connected to the first battery and the second battery, and configured to convert first electric power from the second battery to second electric power receivable by the first battery and transmit the second electric power to the first battery,
wherein the first battery is charged with the second electric power.