US 12,266,928 B2
Jump starting device with a jump start current sharing system, and a jump start current sharing method
James Richard Stanfield, Glendale, AZ (US); Nitish Agrawal, Phoenix, AZ (US); and Andrea Carolina Hacker Davidson, Phoenix, AZ (US)
Assigned to The NOCO Company, Glenwillow, OH (US)
Appl. No. 17/756,782
Filed by THE NOCO COMPANY, Glenwillow, OH (US)
PCT Filed Dec. 8, 2020, PCT No. PCT/US2020/070876
§ 371(c)(1), (2) Date Jun. 2, 2022,
PCT Pub. No. WO2021/119656, PCT Pub. Date Jun. 17, 2021.
Claims priority of provisional application 62/945,496, filed on Dec. 9, 2019.
Prior Publication US 2023/0344223 A1, Oct. 26, 2023
Int. Cl. H02J 1/10 (2006.01); H02J 7/00 (2006.01); H02J 7/34 (2006.01)
CPC H02J 1/122 (2020.01) [H02J 7/0042 (2013.01); H02J 7/342 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A jump starting device for charging a depleted or discharged battery, the device comprising: a rechargeable battery having a positive terminal and a negative terminal; a switch comprising a jumpstart current sharing circuit electrically connected to the rechargeable battery, the jump start current sharing circuit comprising one or more relays and one or more field effect transistors (FETs) arranged in parallel and being configured to provide current from the rechargeable battery to the depleted or discharged battery during the duration of a jump starting operation, wherein current flowing through the switch during the jump starting operation is shared between the one or more relays and the one or more FETs; and a battery clamp electrically connected to the jump start current sharing circuit.