Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Quan Liu0
Yuri Gerner0
Carl W. Sims0
Date of Patent
May 14, 2013
0Patent Application Number
131721330
Date Filed
June 29, 2011
0Patent Primary Examiner
Patent abstract
A liquid degassing apparatus is arranged to limit pervaporation through a membrane by attenuating pressure oscillations developed by a vacuum pump. The attenuation is obtained through a combination of one or more flow restrictors and added volume chambers fluidly interposed between the degassing chamber and the vacuum pump. The pressure oscillation attenuation may further inhibit cross-contamination of pervaporated solvents among a plurality of distinct degassing chambers.
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