US 12,266,815 B2
Reinforcement frame for a battery pack of an electric or hybrid vehicle, reinforced battery pack and process for assembling said battery pack
Gagan Tandon, Canton, MI (US); and Robert Zummallen, Marysville, OH (US)
Assigned to ArcelorMittal, Luxembourg (LU)
Appl. No. 17/783,965
Filed by ArcelorMittal, Luxembourg (LU)
PCT Filed Dec. 8, 2020, PCT No. PCT/IB2020/061635
§ 371(c)(1), (2) Date Jun. 9, 2022,
PCT Pub. No. WO2021/124012, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. PCT/IB2019/061006 (WO), filed on Dec. 18, 2019.
Prior Publication US 2023/0041000 A1, Feb. 9, 2023
Int. Cl. H01M 50/249 (2021.01); B60L 50/60 (2019.01); B60L 50/64 (2019.01); H01M 50/236 (2021.01); H01M 50/262 (2021.01)
CPC H01M 50/249 (2021.01) [B60L 50/64 (2019.02); B60L 50/66 (2019.02); H01M 50/236 (2021.01); H01M 50/262 (2021.01); H01M 2220/20 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A reinforcement frame for a battery pack of an electric or hybrid vehicle mounted on the vehicle, the battery pack having a plurality of battery cells, the reinforcement frame comprising:
a reinforcement frame fastening portion provided to be secured to both the battery pack and the body of the vehicle;
a reinforcement frame hollow portion provided to surround at least the battery cells; and
an inner stamped part and an outer stamped part both having a fastening section and a reinforcement section, wherein the fastening sections are secured directly to each other in order to form the reinforcement frame fastening portion and wherein the reinforcement sections delimit the reinforcement frame hollow portion;
the inner and outer stamped parts each being made of press hardenable steel laser welded stamped blanks, said laser welded stamped blanks each including several sub-blanks.