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System and method for detecting gas

United States Patent

7,678,251
March 16, 2010
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A system to detect a presence of a specific gas in a mixture of gaseous byproducts comprising moisture vapor is disclosed. The system includes an electrochemical cell, a transport to deliver the mixture of gaseous byproducts from the electrochemical cell, a gas sensor in fluid communication with the transport, the sensor responsive to a presence of the specific gas to generate a signal corresponding to a concentration of the specific gas, and a membrane to prevent transmission of liquid moisture, the membrane disposed between the transport and the gas sensor.
Chow; Oscar Ken (Simsbury, CT), Moulthrop; Lawrence Clinton (Windsor, CT), Dreier; Ken Wayne (Madison, CT), Miller; Jacob Andrew (Dexter, MI)
Proton Energy Systems, Inc. (Wallingford, CT)
11/ 671,594
20080185297
February 6, 2007
FEDERAL RESEARCH STATEMENT This invention was made with Government support under prime contract DE-FG36-03GO13063, Sub-Contract RF-05-HFS-005-A02 by the Department of Energy. The Government has certain lights in this invention.