Environmental noise pollution reduction device of running road v

Details Environmental noise pollution reduction device of running road v Environmental noise pollution reduction device of running road v

1975-11-19

1977-11-29

Peters, Jr., Joseph F.

Motor vehicles

Power

With spring powered motor

181204, B62D 2508

Patent

active

040601420

ABSTRACT:
Engine noises directed to the bottom portion of an engine compartment are reflected from the surface of an under-cover partly closing the engine compartment bottom opening and thereafter absorbed by sound-absorbent material attached to the inner surface of the hood of the engine compartment.

REFERENCES:
patent: 3882951 (1975-05-01), Conley
patent: 3884322 (1975-05-01), Nemschoff
patent: 3918541 (1975-11-01), Krieger

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