Toyota Jidosha Kabushiki Kaisha

Kazuya Koizumi

Fumihiko Kishima

Kazuhiro Maeda

Hiroaki Iwamoto

Taro Yamashita

In a vehicle to which a wheel well rear portion structure has been applied, a curved portion of an upper wall of a guide portion bulges obliquely toward the vehicle lower side as seen in a side view and is connected to a discharge portion. An air flow flowing in a flow channel flows along the upper wall due to the Coanda effect, so in the air flow along the curved portion the flow component heading toward the vehicle rear side becomes larger. The flow direction of the air flow discharged from the discharge portion substantially coincides with the flow direction of an air flow flowing in the space under the body of the vehicle. In a state in which a drop in the flow speed of the air flow discharged from the discharge portion is controlled, the air flow can be caused to smoothly merge with the air flow.

Wheel well rear portion structure

In a vehicle to which a vehicle body front structure is applied, an opening portion is formed behind a rear end portion of an arch portion. The opening portion is held in communication with an air flow passage, and is opened backward with respect to the vehicle. Then, the air caused to flow into the air flow passage during traveling of the vehicle flows from a front side toward a rear side with respect to the vehicle, and is discharged from the opening portion backward with respect to the vehicle. Thus, the air current blown out from the air flow passage to an outside of the wheel house in a vehicle width direction via the wheel house is restrained from being produced. Therefore, the traveling wind flowing outside the wheel house in the vehicle width direction is restrained from hitting the air current.

Vehicle body front structure

It is a subject of the present invention to ensure foot space for an occupant and lower a side portion of a floor portion. A vehicle body lower portion structure () comprises: a rocker upper member () that configures an upper portion of a rocker () and has an upper wall portion (A) that extends in a vehicle width direction, an inner wall portion (B) that is positioned at a vehicle width direction inner side and a vehicle lower side with respect to the upper wall portion (A) and extends in a vehicle up-and-down direction, and a connecting wall portion (D) that interconnects a vehicle width direction inside end portion of the upper wall portion (A) and an upper end portion of the inner wall portion (B); a rocker lower member () that configures a lower portion of the rocker (); and a wire harness () that extends in a vehicle front-and-rear direction along the rocker (), with at least part (A) of the wire harness () being positioned, as seen in a vehicle front view, in a cross section formed by the connecting wall portion (D), an extension line (E) extending inward in the vehicle width direction from the upper wall portion (A), and an extension line (F) extending toward a vehicle upper side from the inner wall portion (B).

Vehicle body lower portion structure

A vehicle body structure has a floor panel upper; a rocker provided so as to extend in a vehicle longitudinal direction at a vehicle transverse direction outer side of the floor panel upper, and having a rocker upper and a rocker lower that are divided in a vehicle vertical direction; a floor reinforcement provided so as to extend in the vehicle longitudinal direction at a central portion between the rocker and a tunnel portion formed at a vehicle transverse direction central portion of the floor panel upper, and disposed at a vehicle rear side of a front side member; and an intermediate reinforcement lower provided so as to extend in the vehicle longitudinal direction between the rocker and the floor reinforcement, disposed at a vehicle lower side of the floor panel upper, and formed integrally with the rocker lower via a flange portion.

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Iwata, Japan

Kazuya Koizumi