Measuring and testing – Gas analysis – Detector detail
Reexamination Certificate
2007-11-09
2009-12-29
Williams, Hezron (Department: 2856)
Measuring and testing
Gas analysis
Detector detail
Reexamination Certificate
active
07637145
ABSTRACT:
A gas sensor comprises a sensing element detecting a gas concentration, a heater heating up the sensing element, an element-holding body holding the sensing element, and an atmosphere-side insulator. A pair of contact fittings is arranged between a base end part of the sensing element or the heater and an inner wall surface of the atmosphere-side insulator, and contacts a pair of electrodes disposed on the sensing element or the heater so as to press thereof. The contact fitting is provided with a base plate contacting the inner wall surface and an electrode contact member located to each of the electrodes and contacting the electrode. The gas sensor comprises suppressing means for suppressing the contact fittings from shifting relative to the electrodes in directions crossing the longitudinal direction. As an example, suppressing means are a plurality of fixing spring members pressing the inner wall surface from inside the insulator.
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Denso Corporation
Frank Rodney T
Nixon & Vanderhye PC
Williams Hezron
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