Gas sensor

Details Gas sensor Gas sensor

2008-06-24

2008-06-24

Neckel, Alexa D. (Department: 1795)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S424000

Reexamination Certificate

active

07390385

ABSTRACT:
A protective cover of a gas sensor includes an inner protective cover which covers at least an end portion of a sensor element, an outer protective cover which covers the inner protective cover, and an intermediate protective cover which is installed between the inner protective cover and the outer protective cover. A1/A2≧1 provided that A1represents a total opening area of the inner gas inlet holes provided for the inner protective cover, and A2represents a total opening area of the outer gas inlet holes provided for the outer protective cover.

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