DOOR IMPACT BEAM FOR A VEHICLE CAPABLE OF REDUCING THE NOISE GENERATED IN INSIDE OF DOOR BY INSTALLING AN ALUMINUM FOAM WHICH IS GOOD AT SOUND ABSORPTION

摘要

PURPOSE: A door impact beam for a vehicle is provided to restrict the invasion amount of an outer panel to the most by simultaneously having the absorption of a collision energy and the rigidity in the side central part collision of a door.;CONSTITUTION: A door impact beam(1) for a vehicle comprises an enforcement unit(10). The enforcement unit comprises an aluminum foam(11), a reinforcing rod(13) and an either side supporting plate(15). The aluminum foam and the reinforcing rod are into one body composed in the inside center of the enforcement unit. The aluminum foam has a circular cross-section. The reinforcing rod is arranged through the center of the aluminum foam. The either side supporting plate is respectively fixed to both ends of the reinforcing rod and respectively supports both sections of the aluminum foam.;COPYRIGHT KIPO 2012