Air-fuel ratio sensor used in atmosphere of unburned gas, e.g. exhaust gas, comprises cylindrical housing containing air-fuel ratio sensor element, cover on atmosphere side, and cover on measuring gas side

摘要

The air-fuel ratio sensor comprises a cylindrical housing (10) containing an air-fuel ratio sensor element (3), a cover on the atmosphere side arranged on a first end of the housing, and a cover on the measuring gas side arranged on a second end of the housing to cover the air-fuel ratio sensor element.