Marine engine exhaust muffler

Details Marine engine exhaust muffler Marine engine exhaust muffler

1987-05-04

1988-11-22

Basinger, Sherman D.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

114343, 181235, B63H 2132

Patent

active

047862653

ABSTRACT:
An exhaust muffler for mounting on the transom of an inboard or inboard/outboard motorboat around the exhaust pipes which extend from the transom. The muffler comprises a housing which has a pair of sidewalls each adjacent to one of the sides of the boat, so that the housing is approximately equal in width with the width of the boat at the stern. Inside the housing is a baffle extending downwardly from the top of the housing which directs the exhaust downwardly around the bottom of the baffle to reduce the noise emanating from the exhaust. The top of the housing preferably forms a swim platform which provides a functional and attractive appearance to a muffler located outboard of the boat. The large size of the muffler results in enhanced noise reduction without adversely affecting engine performance.

REFERENCES:
patent: 830908 (1906-09-01), Martin
patent: 1065707 (1913-06-01), Montgomery
patent: 3452704 (1969-07-01), Watkins
patent: 3599595 (1971-08-01), James
patent: 3742895 (1973-07-01), Horiuchi
patent: 4002136 (1977-01-01), Michalak
patent: 4167987 (1979-09-01), Turner
patent: 4586908 (1986-05-01), Schlichthorst
Conroy X19 Brochure rec at PTO Jan. 18, 1985.

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