US Patent 9366507 Structural tunnel component for an armored vehicle

A structural blast tunnel for a vehicle includes a frame member, a first mounting interface, and a second mounting interface. The frame member includes an elongated curved portion having a first end, a second end, and a middle portion disposed between the first end and the second end. The frame member further includes a first sidewall and a second sidewall extending downwardly from the elongated curved portion. The frame member forms a structurally rigid section configured to direct blast energy outwards towards the first end and the second end.