| 摘要 |
In a temperature sensor inserted into a hole formed in a wall of an exhaust gas passage thereby to set a temperature sensitive element in position in the passage, a metal rib in close contact with a hole for preventing the leakage of the exhaust gas is welded over the entire outer peripheral surface of a metal outer cylinder at the end thereof nearer to the passage, and a cylindrical metal sleeve for covering lead wire connecting portions is welded over the entire periphery of a protrusion of the rib at a position further away from the passage than the coupling portion between the rib and the outer cylinder.
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