Patent ID: 7694706

Claim:
A tire wheel assembly, which includes a pneumatic tire having a pair of left and right bead portions, and a wheel provided with a rim fitted with the pneumatic tire, and forms a cavity portion between the pneumatic tire and the rim, wherein: a plurality of tubes, each of which has one end thereof closed while having a length of 55% to 110% of a reference length L 0 equal to one fourth of a cavity resonance wavelength, are provided so as to open to the cavity portion; and the plurality of tubes are two pairs of tubes whose opening portions are arranged in two locations facing each other across a rotational axis of the tire with each pair's opening portions arranged in one arbitrary location on a circumference, each pair having one of the tubes formed on the inner surface of a bead portion of the tire so as to extend in the circumferential direction of the tire and the other of the tubes provided with the wheel, an angle of equal to or less than 35 degrees with respect to the rotational axis of the tire defining a range of each of the locations on a circumference where the opening portions of one of the pairs of tubes are arranged.