Sill beam uniform deceleration unit

Abstract

Devices and methods for absorbing crash energy via a side sill uniform deceleration unit (UDU) is disclosed. The UDU includes a first layer having a top and a bottom, the top of the first layer arranged to be outwardly facing towards a direction of a crash force when the uniform deceleration unit is installed in a vehicle, a second layer disposed on the bottom of the first layer, the second layer having a rib and web structure with a first arrangement, a third layer disposed on a bottom of the second layer, the third layer having a rib and web structure with a second arrangement, and a fourth layer disposed on a bottom of the third layer, the fourth layer arranged to be inwardly facing when the uniform deceleration unit is installed in the vehicle, wherein the fourth includes a reaction beam arranged to allow the first, second, and third layers to crush. The UDU may be installed in or positioned near the side sill beam.

Dependencies are inferred from the claim text.