Electrochemical gas sensor

Details Electrochemical gas sensor Electrochemical gas sensor

2008-01-09

2011-12-27

Barton, Jeffrey T (Department: 1759)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S415000, C204S431000, C204S424000, C073S023310, C073S023320, C073S031020, C436S124000

Reexamination Certificate

active

08083914

ABSTRACT:
An electrochemical gas sensor is disclosed which comprises a gas sensing electrode and a counter electrode disposed within a housing, the housing having an aperture for gas ingress, the gas sensing electrode and counter electrode being separated by a region containing electrolyte, and means for connecting the gas sensing electrode and the counter electrode to a sensing circuit. An electrolyte-absorbing element is disposed inboard of the aperture, between the housing and the gas sensing electrode, in order to absorb electrolyte passing through the gas sensing electrode whilst maintaining a gas path through the electrolyte-absorbing element.

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Per applicant's IDS submitted Jun. 11, 2008: “Liquid Electrolyte Fuel Cells”, B.S. Hobbs, A.D.S. Tantram and R. Chan-Henry, Chapter 6 in “Techniques and Mechanisms in Gas Sensing”, Eds. P.T. Moseley, J.O.W. Norris and D.E. Williams, Adam Hilger 1991.
“Liquid Electrolyte Fuel Cells”, B. S. Hobbs, A. D. S. Tantram and R. Chan-Henry, Chapter 6 in “Techniques and Mechanisms in Gas Sensing”, Eds. P. T. Moseley, J. O. W. Norris and D. E. Williams, Adam Hiker 1991.
Communication; European Search Report; Mar. 10, 2010; pp. 1-7; Appln No. EP 08 10 0275; Place: Munich, Germany.

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