Two piece multifunctional composite structural cross vehicular beam

摘要

A multifunctional structural cross vehicular beam assembly extending across substantially the entire width of the vehicular compartment between a cowl and a instrument panel. The beam supports the steering column of the vehicle so that the first bending mode frequency of the combination of the steering wheel and the beam is greater than the first bending mode frequency of the body and is different from the idle excitation frequency of an engine employed in the vehicle. A plastic cover is connected to the beam for defining channels of an air distribution system for the passenger compartment.