Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 24, 2011
Patent Application Number
11893772
Date Filed
August 16, 2007
Patent Primary Examiner
Patent abstract
An underwater exhaust system and method which includes an exhaust valve having a sealing edge, an exhaust outlet for exiting an exhaust gas, and a projection for directing water flow away from the exhaust valve. The exhaust valve includes a valve head and a valve stem, the valve stem being coupled with the valve head. The system and method prevent a siphoning effect, whereby leakage of water into the exhaust valve is minimized or prevented.
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