US 12,220,980 B2
Battery case structure for electric vehicle
Kang Won Lee, Seongnam-Si (KR); So Young Jo, Seoul (KR); Jeong Hun Seo, Suwon-Si (KR); and In Gook Son, Incheon (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Aug. 25, 2022, as Appl. No. 17/895,816.
Claims priority of application No. 10-2022-0008656 (KR), filed on Jan. 20, 2022.
Prior Publication US 2023/0226898 A1, Jul. 20, 2023
Int. Cl. B60K 1/04 (2019.01); B60L 50/60 (2019.01); B62D 21/15 (2006.01)
CPC B60K 1/04 (2013.01) [B60L 50/66 (2019.02); B62D 21/157 (2013.01); B60K 2001/0438 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A battery case structure for a vehicle, the battery case structure comprising:
a vehicle body floor panel including side sills at first and second lateral sides of the vehicle body floor panel;
a battery case coupled to a lower portion of the vehicle body floor panel; and
a side member including a partition coupled to each lateral side of the battery case, and a flange extending laterally from the partition and coupled to the side sills of the vehicle body floor panel, the partition being internally formed with at least one rib extending transversely,
wherein the at least one rib includes a third rib formed inside the partition and extending as inclined upwards from a region of an outward side, to which a lower portion of the flange is connected, to the inward side of the partition,
wherein a supporter is formed in a lower portion of the partition and protrudes from an inward side toward the battery case, and
wherein the supporter is positioned so that a lateral portion of the battery case is accommodated on the supporter, and includes an upper portion connecting and matching the third rib and a lower portion connecting and matching a bottom portion of the partition.