This vehicle wheel (1) is characterized in that a communication hole (18a) for a first Helmholtz resonator (auxiliary air chamber
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To provide a vehicle wheel which can use an existing structure of a wheel for attachment of a helmholtz resonator (a sub air chamber
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To provide a vehicle wheel having a helmholtz resonator (a sub air chamber member) which can secure a larger volumetric capacity of a
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To provide a vehicle wheel having a helmholtz resonator (a sub air chamber member) which can secure a larger capacity of a sub air
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In a vehicle wheel (1), communication holes (18a) of first Helmholtz resonators (auxiliary air chamber members 10a, 10d) having a
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This vehicle wheel is provided with only two sub air chamber members each as a Helmholtz resonator having an sub air chamber which
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SOUND ABSORPTION SANDWICH PANEL NOT REQUIRING DRILLING
EXTERIOR STRUCTURE OF MOTOR VEHICLE
SOUND ABSORPTION RESIN STRUCTURE
VEHICLE HELMHOLTZ TYPE SOUND ABSORPTION STRUCTURE
PROBLEM TO BE SOLVED: To provide a helmholtz type sound absorption structure, which reduces low frequency noise, in a vehicle at low
...HELMHOLTZ-TYPE SOUND ABSORPTION STRUCTURE FOR VEHICLE
PROBLEM TO BE SOLVED: To provide a Helmholtz-type sound absorption structure that can be easily and inexpensively manufactured.SOLUTION
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In a vehicle wheel, communication holes of first Helmholtz resonators (auxiliary air chamber members) having a resonant frequency lower
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