Marine engine noise suppressor

Details Marine engine noise suppressor Marine engine noise suppressor

1978-05-10

1980-01-22

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181269, 181283, F01N 114

Patent

active

041845668

ABSTRACT:
A noise suppressor for internal combustion engine exhaust, adapted for marine use wherein water coolant is discharged into the chamber of a single-walled riser and partially vaporized by the exhaust gases directed into the dome thereof for downward redirection and discharge from the lower portion of the riser chamber through a muffler element, and preferably through the hull chest and/or cover of a jet pump drive acting as the final noise barrier to atmosphere.

REFERENCES:
patent: 1061775 (1913-05-01), Newton et al.
patent: 1074627 (1913-10-01), Kenney
patent: 1089259 (1914-03-01), Patten
patent: 1926723 (1933-09-01), Jahnke
patent: 2360429 (1944-10-01), Leadbetter

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