Underwater exhaust system and method

Details Underwater exhaust system and method Underwater exhaust system and method

2011-05-24

2011-05-24

Bianco, Patricia M (Department: 3772)

Surgery

Respiratory method or device

Draw-type snorkel

C128S204260, C128S201270, C128S201120, C128S201150, C128S201280, C128S204270, C128S206190, C128S201260, C405S186000, C405S187000, C137S529000, C137S542000

Reexamination Certificate

active

07946290

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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