| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vehicle substructure having a more effective rectification fin which is accounted for influence of the ground. <P>SOLUTION: In the vehicle substructure, a rectification fin structure is arranged on a rear vehicle floor 110 facing a road surface. The rectification fin structure includes, e.g., a rectification fin body 10 arranged in the center and vertical ailerons 11 and 12 arranged on either side of the body. The rectification fin body 10 is an airfoil shape where a vertical cross section in a vehicle longitudinal direction is the substantially same shape, and includes a center part 10a which is a rectangular shape viewing from the underside, and side parts 10b and 10c which is arranged on both sides of the center part and of which the thickness grows to be thinner toward the outside. <P>COPYRIGHT: (C)2013,JPO&INPIT |
