Rapid cycle pressure swing adsorption oxygen concentration method and mechanical valve for the same
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United States of America Patent
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Dec 29, 2009
Grant Date -
Jun 30, 2005
app pub date -
Dec 31, 2003
filing date -
Dec 31, 2003
priority date (Note) -
Expired
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Abstract
A rapid cycle pressure swing adsorption oxygen concentration method uses a mechanical valve that has at least one cam-actuated flow control valve to switch flow of fluid, such as compressed air coming into a sieve tank that is fitted with molecular sieve materials. The cam-actuated flow control valve is repeatedly actuated by the rotating cams to become open or closed to complete a cycle that precisely controls the flow direction, pressure conditions and pressurized timing in the sieve tank whereby performance and efficiency of producing rapidly oxygen is high.
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