Rim wheel, and tire-rim assembly

Details Rim wheel, and tire-rim assembly Rim wheel, and tire-rim assembly

2006-12-26

2006-12-26

Stormer, Russell D. (Department: 3617)

Resilient tires and wheels

Tires, resilient

Wheel securing means

C301S006910

Reexamination Certificate

active

07152643

ABSTRACT:
A purpose of the present invention is to provide a rim wheel and a tire rim assembly which are capable of effectively reducing cavity resonance of a tire, and accordingly, enhancing quietness and riding comfort. A plurality of cap members20is arranged on an outer circumferential surface of a rim16in a circumferential direction thereof, diaphragms are disposed inwardly of each cap member20, and a plurality of sub-air chambers32is formed between the rim16and the cap members20in a rim circumferential direction. The tire main air chamber18is connected to the sub-air chambers32through communicating holes24formed on the cap members20. The sub-air chambers32and the communicating holes24constitute a Helmholtz resonance noise absorber that can absorb vibration with specified frequencies. Further, since the sub-air chamber32is not formed in a continuous annular shape in a tire circumferential direction, occurrence of cavity resonance can be suppressed and a substantial reduction in noise can be secured.

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