公开(公告)号：US20220155178A1

公开(公告)日：2022-05-19

申请号：US17587942

申请日：2022-01-28

Applicant: DENSO CORPORATION

Inventor： Nobuyuki TSUJI

IPC: G01M15/10

Abstract: A gas sensor includes a housing including a locking step part, a sensor body including a locked part locked to the locking step part, a sealing member filled between an inner periphery of the housing and an outer periphery of the sensor body on a base end side of the locked part, an insulating member disposed on the base end side of the sealing member, and a circular disc spring pressing a base end surface of the insulating member. The housing includes a caulking part caulking the circular disc spring to cover the circular disc spring. The elastically compressed circular disc spring is disposed between the caulking part and the insulating member. At least part of a base end side pressing part, at which the caulking part presses the circular disc spring, is disposed between an inner and outer periphery edges of the base end surface of the insulating member.

公开(公告)号：US20170146482A1

公开(公告)日：2017-05-25

申请号：US15323221

申请日：2015-06-29

Applicant: DENSO CORPORATION

Inventor： Keisuke MIZUTANI ,  Nobuyuki TSUJI

IPC: G01N27/407 ,  G01N27/409

CPC classification number: G01N27/4077 ,  G01N27/409

Abstract: A gas sensor includes a sensor element having a measuring electrode and a reference electrode, a housing accommodating the sensor element, and an element cover including an inner cover having an inner side wall section and an inner bottom wall section, and an outer cover having an outer side wall section and an outer bottom wall section. Inner side surface holes and outer side surface holes are formed in the inner side wall section and the outer side wall section. Inner bottom surface holes and outer bottom surface holes are formed in the inner bottom wall section and the outer bottom wall section. The ratio of the total surface area of the outer side surface holes with respect to the total surface area of the inner bottom surface holes is 8 to 47. The total surface area of the inner side surface holes is 2 to 8 mm2.