Sound-deadened motor vehicle exhaust manifold

Details Sound-deadened motor vehicle exhaust manifold Sound-deadened motor vehicle exhaust manifold

1994-06-08

1996-06-25

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

428685, F01N 710

Patent

active

055302130

ABSTRACT:
An automotive exhaust manifold is fabricated from stainless steel sheet metal of thin dense gauge, and provided with an outer coating of less dense stainless steel or other suitable material spray bonded to it to provide an irregular surface of non-uniform cross-section with a large surface area to damp the transmission of sound waves from the manifold.

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