Nixon & Vanderhye P.C.
Gas sensor provided with flange portion of cover thereof
A gas sensor includes a sensor element having a detecting portion; an insulator supporting the sensor element inserted therethrough; a housing supporting the insulator; an inner cover covering the detecting portion; and an outer cover covering the inner cover. An inner flange portion of the inner cover and the outer flange portion of the outer cover are supported between the insulator and the housing. An end face of the inner flange portion is positioned towards outer side R1 with respect to the radial direction R than the position of an end face of the outer flange portion. A corner portion between the end face and a surface in the outer flange portion protrudes into a surface of the inner flange portion.
DENSO CORPORATION
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Hirokazu Yasutaka Yoshihide
Yamada Kamiya Segawa