Structure of gas sensor designed to reduce mechanical damage...

Details Structure of gas sensor designed to reduce mechanical damage... Structure of gas sensor designed to reduce mechanical damage...

2007-02-20

2007-02-20

Williams, Hezron (Department: 2856)

Measuring and testing

Gas analysis

Detector detail

C073S023200

Reexamination Certificate

active

11019724

ABSTRACT:
An improved structure of a gas sensor designed to withstand physical impact which may result in damage such as cracks to a sensor element built in the gas sensor. Specifically, the gas sensor includes a buffer provided by a clearance between an air cover a porcelain insulator. The clearance is in a range of 1 to 2.5 mm at a minimum. The gas sensor may alternatively have a harder portion in the air cover which has a Vickers hardness of 200 to 400. The gas sensor may alternatively have a rigidity enhancer in the air cover which works to provides an increased rigidity to the air cover.

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