Patent ID: 8307532
Filing Date: 2012-11-13
Classification: F01N,G01N,Y10T

Abstract:
1. A tubular structure for fixing a particulate matter detection device, comprising: a tubular first holding tube having a fixing structure portion at a first end as one end thereof; and a tubular second holding tube having one end fixed to a second end as the other end of the first holding tube so that the second holding tube is coaxial with the first holding tube, wherein the particulate matter detection device made of a ceramic material, prolonged in one direction and having a detecting portion for particulate matter at one end thereof and a takeout portion of a wiring line at the other end thereof is disposed so that the detecting portion projects to the outside from the first end of the first holding tube and so that the takeout portion of the wiring line is positioned in the second holding tube, and the particulate matter detection device is fixed to a pipe of an exhaust gas by the fixing structure portion of the first holding tube so that the detecting portion of the particulate matter detection device is positioned in the pipe for the exhaust gas.