Gas sensor

Details Gas sensor Gas sensor

2006-06-27

2006-06-27

Garber, Charles (Department: 2856)

Measuring and testing

Gas analysis

Detector detail

C073S023310, C073S023320

Reexamination Certificate

active

07066009

ABSTRACT:
In a gas sensor internally including a sensing element for measuring a specific gas concentration of a measured gas, an outer surface thereof has a measured gas surface exposed to a measured gas and an atmosphere surface exposed to the atmosphere, and at least a portion of the atmosphere surface has an emissivity equal to or lower than 0.3. Preferably, this emissivity is a value with respect to an electromagnetic wave having a wavelength of 0.5 to 1 μm, and the a region of the atmosphere surface, contributing 60% or more of the atmosphere surface, has an emissivity equal to or lower than 0.3. This provides a gas sensor less susceptible to radiant heat and less temperature-increasable.

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patent: 6477887 (2002-11-01), Ozawa et al.
patent: 6497808 (2002-12-01), Yamauchi et al.
patent: 2002/0000033 (2002-01-01), Tajima et al.
patent: 09229899 (1997-09-01), None
patent: 10-206373 (1998-08-01), None
patent: 2001-188060 (2001-07-01), None

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