Measuring and testing – Gas analysis – Detector detail
Reexamination Certificate
2006-11-21
2006-11-21
Larkin, Daniel S. (Department: 2856)
Measuring and testing
Gas analysis
Detector detail
C073S023310
Reexamination Certificate
active
07137287
ABSTRACT:
A staged electrode carrier of an O2sensor comprises a sensor; a detecting end carrier installed in the sensor; the detecting end carrier having a positive lead, a negative lead and a channel communicated to atmosphere; one end of the positive lead of the detecting end carrier having a positive interface exposing in the channel so as to contact the atmosphere and one end of the detecting end carrier having a negative interface exposing from an outer wall of the detecting end carrier to contact gas to be measured; and a transferring end carrier installed in the sensor having a positive lead and a negative lead. A detecting end carrier is made of zirconium oxide, and a transferring end carrier is made of Al2O3, CaO or MgO.
REFERENCES:
patent: 5707504 (1998-01-01), Jyouno et al.
patent: 2002/0070736 (2002-06-01), Nakae et al.
Larkin Daniel S.
Sentec E&E Co., Ltd.
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