Exhaust system for outboard motor

Details Exhaust system for outboard motor Exhaust system for outboard motor

1993-11-18

1996-02-27

Avila, Stephen P.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

B63H 2132

Patent

active

054944678

ABSTRACT:
A number of embodiments of exhaust systems for outboard motors wherein the exhaust ports of the engine discharge the exhaust gases to the atmosphere through an underwater high speed exhaust gas discharge. A trap device is provided for precluding the water from the underwater exhaust gas discharge entering the engine through its exhaust ports. This trap device includes a section that extends above the highest exhaust port of the engine for this purpose.

REFERENCES:
patent: 5212949 (1993-05-01), Shiozawa
patent: 5280708 (1994-01-01), Sougawa et al.
patent: 5306185 (1994-04-01), Lassanske et al.
patent: 5326295 (1994-07-01), Nakayama
Summary Sheet of Japanese 2-147101 dated Jun. 5, 1990.

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