Marine exhaust system

Details Marine exhaust system Marine exhaust system

1990-02-16

1991-06-11

Sotelo, Jesus D.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

60324, 181215, B63H 2132

Patent

active

050228773

ABSTRACT:
A marine exhaust system is provided for separating the gas from the water of gas/water mixture produced by a marine engine, and expelling the gas a sufficient distance from the hull of a boat to place it outside of the turbulent boundary layer surrounding the hull and the low pressure area following behind the boat. A nozzle having a variable outlet area is mounted anidship on the hull for maintaining a predetermined pressure within the exhaust system in order to expel the gases a maximum distance from the boat. In addition, apparatus are provided for removing the water from the exhaust system prior to the gases reaching an acoustical chamber for attenuating exhaust gas noises.

REFERENCES:
patent: 1186371 (1931-07-01), Hefti
patent: 1892853 (1933-01-01), Rustin et al.
patent: 2204294 (1940-06-01), Blanchard
patent: 2923127 (1960-02-01), Biehl et al.
patent: 2931169 (1960-04-01), Glenn
patent: 3176791 (1965-04-01), Betts et al.
patent: 3296997 (1967-01-01), Hoiby et al.
patent: 3371645 (1968-03-01), Ward
patent: 3553944 (1971-01-01), Hum et al.
patent: 4019456 (1977-04-01), Harbert

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