Muffler/exhaust extractor and method

Details Muffler/exhaust extractor and method Muffler/exhaust extractor and method

1998-06-23

1999-10-05

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181280, 181258, F01N 108

Patent

active

059628227

ABSTRACT:
An exhaust conditioning device, comprising a housing having an entrance duct, an exit duct, and a hollow interior defined within the housing between the entrance duct and the exit duct; a conical baffle carried coaxially within the housing downstream of the entrance duct and configured to form a generally outwardly extending compression chamber therebetween; and a frustoconical baffle carried coaxially within the housing downstream of the conical baffle and upstream of the exit duct and configured to form a generally inwardly extending compression chamber; wherein the conical baffle cooperates with the housing to form a conical vacuum chamber and the frustoconical baffle cooperates with the housing to form a substantially annular vacuum chamber, downstream of the conical vacuum chamber. In one form, the exhaust conditioning device comprises an exhaust muffler. Additionally, a method is disclosed.

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patent: 5248859 (1993-09-01), Borla
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patent: 5611409 (1997-03-01), Arseneau

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