Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tony Christianson0
Date of Patent
March 22, 2011
0Patent Application Number
112416190
Date Filed
September 27, 2005
0Patent Primary Examiner
Patent abstract
The instant invention incorporates an asymmetrical purge valve tilted to fit within the confines of a chamber having a substantially elliptical cross-section. The elliptical cross-section is oriented to minimize the frontal area presented in the direction of swimming movement. The reduced cross-section results in a corresponding reduction of drag when the diver is swimming underwater.
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