Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas
Patent
1997-11-10
1999-08-10
Avila, Stephen
Marine propulsion
Means for accomodating or moving engine fluids
Means for handling exhaust gas
181256, B63H 2132
Patent
active
059349590
ABSTRACT:
A muffler comprises a housing having an exhaust inlet and an exhaust outlet. A first exhaust chamber is disposed concentrically within the housing and is connected with the exhaust inlet. The first exhaust chamber includes a plurality of openings through a first exhaust chamber wall for distributing exhaust gas radially outwardly therethrough. A second exhaust chamber is disposed concentrically around the first exhaust chamber and receives exhaust gas passed to it from the first exhaust chamber. The second exhaust chamber is defined along an outside diameter by a second exhaust chamber wall that comprises a plurality of openings therethrough for passing exhaust gas radially outwardly therefrom. The second exhaust chamber is in communication with the muffler outlet. A third exhaust chamber that is disposed concentrically around the second exhaust chamber for receiving exhaust gas from the second exhaust chamber. The third exhaust chamber is defined along an outside diameter by the muffler housing. A sound attenuating medium is disposed within the third exhaust chamber. The muffler includes means for preventing air and water from entering the muffler outlet.
REFERENCES:
patent: 3296997 (1967-01-01), Hoiby et al.
patent: 3710891 (1973-01-01), Flugger
patent: 3987868 (1976-10-01), Betts
patent: 4000786 (1977-01-01), Ford
patent: 4019456 (1977-04-01), Harbert
patent: 4263982 (1981-04-01), Feuling
patent: 4416350 (1983-11-01), Hayashi
patent: 4734071 (1988-03-01), Zemlicka et al.
patent: 4787869 (1988-11-01), Shiozawa
patent: 4890691 (1990-01-01), Ching-ho
patent: 5078631 (1992-01-01), Harbert
patent: 5183976 (1993-02-01), Plemons, Jr.
patent: 5196655 (1993-03-01), Woods
patent: 5253603 (1993-10-01), Mascolo
patent: 5536189 (1996-07-01), Mineo
patent: 5554058 (1996-09-01), LeQuire
patent: 5556314 (1996-09-01), Fukuda et al.
patent: 5588888 (1996-12-01), Magharious
patent: 5591058 (1997-01-01), Schriever et al.
Inman, Jr. Frederick R.
Inman, Sr. Frederick R.
Avila Stephen
Inman Marine Corporation
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