Underwater exhaust system

Details Underwater exhaust system Underwater exhaust system

2008-04-15

2008-04-15

Bianco, Patricia (Department: 3772)

Surgery

Respiratory method or device

Draw-type snorkel

C128S201120, C128S201150, C128S201270, C405S186000

Reexamination Certificate

active

07357134

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.

REFERENCES:
patent: 3101732 (1963-08-01), Dalla Valle
patent: 6983746 (2006-01-01), Morgan et al.
patent: 2006/0272637 (2006-12-01), Johnson

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