Mazda Motor Corporation

Tadatoshi Watanabe

Tatsuya Uesugi

The present application discloses a case of a vehicle structure in which a mechanical element is stored. The case includes a wall surface portion which forms an outer surface of the case, and a skeleton portion which bulges inward and outward of the case from the wall surface portion, the skeleton portion being integrally formed with the wall surface portion. The skeleton portion includes at least one skeleton member having: a first porous portion in which first holes are formed to extend in a first direction; and a first skin layer without the first holes, the first skin layer surrounding the first porous portion. A cross-sectional area of the first holes increases in a cross-section intersecting the first direction from an outer circumferential surface toward the center of the at least one skeleton member.

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Higashihiroshima, Japan

Tadatoshi Watanabe