| CPC G01N 27/4078 (2013.01) [G01M 15/102 (2013.01)] | 6 Claims |

|
1. A gas sensor comprising:
a housing provided with a locking step part formed on an inner peripheral surface thereof;
a sensor body provided with a locked flange part locked to the locking step part from a base end side thereof and supported inside the housing;
a sealing member filled into a filling part between the inner peripheral surface of the housing and an outer peripheral surface of the sensor body in a base end side of the locked flange part; and
an insulation member provided between the inner peripheral surface of the housing and the outer peripheral surface of the sensor body in a base end side of the sealing member,
wherein
the filling part includes an annular groove protruding in an outer peripheral side.
|