Motor vehicle support structure with a structural cavity used at least partially as a resonance chamber of a structural chamber, and motor vehicle

摘要

The invention relates to a motor vehicle support structure (S) having a structural cavity (KH) of a structural chamber (K) used at least partially as a resonance chamber, wherein the structural chamber (K) is designed as a hollow body open on both sides with two open structural chamber longitudinal ends (l1, l2) on a first the structure chamber longitudinal ends (l1) is formed an introduction chamber (10) which forms an introduction cavity (11) into which the structural cavity (KH) of the structure chamber (K) and a cavity (15) of a sound generating chamber (16) open, and at a second one the structural chamber longitudinal ends (12) is a connecting chamber (7) which forms a connecting cavity (8) into which the structural cavity (KH) of the structural chamber (K) and a cavity of a vehicle interior (9) open. In this case, in the sound generating chamber (16) a sound generator (17) is arranged, wherein a front side of the sound generator (17) fluidly connected to the cavity of the vehicle interior (9) and a back of the sound generator (17) fluidly connected to the cavity of the sound generating chamber (16) ,