Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas
Patent
1997-04-17
1998-10-27
Avila, Stephen
Marine propulsion
Means for accomodating or moving engine fluids
Means for handling exhaust gas
B63H 2132
Patent
active
058270965
ABSTRACT:
An exhaust control for an internal combustion engine powering a watercraft is disclosed. The exhaust control includes a valve which is movably mounted with respect to the engine and having a portion for extension into an exhaust passage thereof. Preferably, the valve is of the sliding type. A motor is connected to the hull of the watercraft near a maintenance opening in the top of the watercraft. In one embodiment, a pulley is mounted to the output shaft of the motor and to a shaft which is movably connected to the valve, and a looping cable extends around the pulleys. In a second embodiment, a cable has its first end connected to the output shaft of the motor and its second end connected to the valve, and a spring engages the valve, biasing it in one direction.
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Avila Stephen
Yamaha Hatsudoki Kabushiki Kaisha
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