Rim of wheel for e.g. sports car, has several spokes having shape of impeller blade, for supply of running wind from outside to inside of rim, and to brake disc and brake pad, so that brake disc and pad are cooled and/or heated less

摘要

The rim (1) has several spokes having shape of an impeller blade, for supply of running wind from the outside to inside of the rim, and to the brake disc and brake pad, and components of the brake are cooled and/or heated less. The spokes are connected at the center of the rim hub. A portion or all of the spokes are provided with one hole.