Gas separation: processes – With control responsive to sensed condition – Pressure sensed
Reexamination Certificate
2007-02-13
2007-02-13
Hopkins, Robert A. (Department: 1724)
Gas separation: processes
With control responsive to sensed condition
Pressure sensed
C095S054000, C096S004000
Reexamination Certificate
active
10872716
ABSTRACT:
An air separation system includes an ejector for controlling a pressure differential across an air separation module and a valve for controlling air flow through the ejector such that airflow through the ejector is discontinued when not required to maintain the desired pressure differential across the air separation module.
REFERENCES:
patent: 4556180 (1985-12-01), Manatt
patent: 6442944 (2002-09-01), Skur, III
patent: 6547188 (2003-04-01), Schmutz et al.
patent: 2005/0115404 (2005-06-01), Leigh et al.
Carlson & Gaskey & Olds
Hamilton Sundstrand
Hopkins Robert A.
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