公开(公告)号：US11981268B2

公开(公告)日：2024-05-14

申请号：US17500320

申请日：2021-10-13

Applicant: GM Global Technology Operations LLC

Inventor： Varun Agarwal ,  Biswajit Tripathy ,  Rajamanickam Vs

IPC: B60R13/02 ,  B60R21/04 ,  F16F7/12 ,  B33Y80/00

CPC classification number: B60R13/0212 ,  B60R21/04 ,  F16F7/121 ,  B33Y80/00 ,  B60R2021/0435 ,  B60R2021/0442

Abstract: An energy absorbing material includes a multi-cellular structure formed from a plurality of interconnected cells having a lattice structure. Each of the plurality of interconnected cells includes at least four nodes and at least one lattice element extending between each of the at least four nodes. The at least one lattice element has a diameter no greater than 2.5 mm.