Oxygen sensor

Details Oxygen sensor Oxygen sensor

2007-12-04

2007-12-04

Williams, Hezron (Department: 2856)

Measuring and testing

Gas analysis

Gas of combustion

C073S023200

Reexamination Certificate

active

11227063

ABSTRACT:
An oxygen sensor includes a tubular casing; an oxygen detecting element installed in a leading end of the tubular casing; lead wires each extending from the oxygen detecting element to the outside of the tubular casing through an open base end of the tubular casing, each lead wire including a core wire of metal; a rubber bush plugged in the open base end of the tubular casing, the rubber bush having the lead wires passed therethrough; and a heat resisting structure for protecting the rubber bush from a high temperature. The heat resisting structure is constructed to satisfy the following inequality:in-line-formulae description="In-line Formulae" end="lead"?10%≦Al/Ar≦50%,in-line-formulae description="In-line Formulae" end="tail"?wherein:Al: The sectional area in total of the lead wires; andAr: The sectional area of the rubber bush.

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patent: WO 01/35087 (2001-05-01), None

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