| 主权项 |
1. A vehicle wheel, comprising:
a sub air chamber member which serves as a Helmholtz resonator and is fixed to an outer circumferential surface of a well portion in a tire air chamber; a first standing wall surface formed such as to stand from the outer circumferential surface of the well portion outward in radial direction and extend in circumferential direction of the outer circumferential surface; and a second standing wall surface formed on the well portion such as to face the first standing wall surface in width direction of the outer circumferential surface, wherein the sub air chamber member includes:
a main body portion longitudinal in the circumferential direction, the main body portion including a bottom plate disposed on the outer circumferential surface of the well portion, and an upper plate forming a sub air chamber between the upperand and bottom plates;edge portions that join the bottom plate and the upper plate at both side portions, with respect to the width direction, of the main body portion, and are engagingly fixed to respective groove portions formed on the first standing wall surface and the second standing wall surface; anda protruding portion that is arranged such as to protrude from an end portion with respect to the longitudinal direction of the main body portion, in the circumferential direction, and is provided inside thereof with a communication hole for communication between the sub air chamber and the tire air chamber, and wherein the protruding portion is arranged being biased in the width direction of the main body portion, from a central portion to a side of either of the edge portions. |
