Underwater exhaust system for marine engine

Details Underwater exhaust system for marine engine Underwater exhaust system for marine engine

1997-05-19

1999-01-26

Swinehart, Ed L.

Marine propulsion

Means for accomodating or moving engine fluids

Means for handling exhaust gas

114357, B63H 2132

Patent

active

058632310

ABSTRACT:
An underwater exhaust system for a water-cooled marine engine installed in a boat whose hull is molded of fiber-reinforced resin. The system is adapted to exhaust underwater the gases and cooling water discharged from the engine via an internal fitting. The internal fitting is created by an exhaust port integral with the hull and formed of the same material, having a hydrodynamically-shaped main section defining a cavity whose mouth merges with the outer surface of the hull and an input section joined to the main section into which is fed the discharge from the engine. Telescoped into the cavity of the main section of the exhaust port and bonded thereto is a like-shaped main section of an external fitting having an output section joined to the main section to form an exhaust outlet from which the engine discharge is exhausted underwater.

REFERENCES:
patent: 987130 (1911-03-01), Geyer
patent: 1198274 (1916-09-01), Reece
patent: 5329074 (1994-07-01), Alexander
patent: 5505644 (1996-04-01), Ousley, II et al.
patent: 5700172 (1997-12-01), Ousley, II et al.

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