Underwater exhaust system
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United States of America Patent
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Apr 15, 2008
Grant Date -
Oct 27, 2005
app pub date -
Apr 20, 2005
filing date -
Apr 22, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An underwater exhaust system includes an exhaust valve with a valve cover operatively coupled thereto. The valve cover is adapted to create an exhaled air pocket on the water interface side of the valve. The exhaled air pocket allows the valve to operate under reduced water resistance. The valve cover includes at least one water inlet passage and at least one exhaust gas opening.
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