Sound absorber for motor vehicles

Details Sound absorber for motor vehicles Sound absorber for motor vehicles

1995-04-11

1997-10-28

Pike, Andrew C.

Land vehicles: bodies and tops

Bodies

Lining

296198, 181205, 181290, 181291, B62D 2516

Patent

active

056810725

ABSTRACT:
A sound absorber for motor vehicles is constructed in the form of a double-wall, flat resonant body (1) with a perforated front wall (3) facing the noise source and a substantially unperforated rear wall (4). The sound absorber is constructed as a combined plate/perforated resonator and is able to absorb both high and lower frequencies.

REFERENCES:
patent: 4013302 (1977-03-01), Oswald
patent: 4313524 (1982-02-01), Rose

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