DIFFUSING MEMBER, EXHAUST GAS PURIFICATION DEVICE, AND USE OF DIFFUSING MEMBER IN EXHAUST GAS PURIFICATION DEVICE

摘要

The diffusing member of the present invention is disposed in an exhaust pipe to partially block exhaust gas flowing in from upstream of the exhaust pipe, the diffusing member including a ceramic member and a metal member, wherein the ceramic member surrounds the metal member in such a manner that the metal member is partially exposed, and the volume of the ceramic member constituting the diffusing member is larger than the volume of the metal member constituting the diffusing member.