EXHAUST GAS PURIFICATION DEVICE

WIPO Patent Application WO/2015/056652

A1

This exhaust gas purification device is provided with a columnar exhaust gas treatment body, a casing which comprises a tubular body that houses the exhaust gas treatment body, and a mat which comprises inorganic fibers and is inserted between the exhaust gas treatment body and the casing. This exhaust gas purification device is characterized in that the contour of the exhaust gas treatment body, in a cross section perpendicular to the longitudinal direction, comprises three to six corner sections and connecting sections which connect the corner sections; the corner sections are curved, the connecting sections are straight or curved; and the distance from the corner sections to the inner peripheral surface of the casing is less than the distance from the connecting sections to the inner peripheral surface of the casing, and the surface specific gravity of the mat arranged on the corner sections is less than the surface specific gravity of the mat arranged on the connecting sections.

ANDO HISASHI (JP)
HAGINO MASASHI (JP)
SAIKI KENZO (JP)

PCT/JP2014/077244

April 23, 2015

October 10, 2014

Click for automatic bibliography generation  

IBIDEN CO LTD (JP)

F01N3/28; B01D46/00; B01D53/94; B01J33/00; B01J35/04

JP2013144954A	2013-07-25
JPH01247711A	1989-10-03
JPS51119007A	1976-10-19
JP2001523789A	2001-11-27
JP2007332922A	2007-12-27
JPH0261313A	1990-03-01
JP2009085092A	2009-04-23
JP2011137418A	2011-07-14
JPS60162215U	1985-10-28

YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)

View/Download PDF      PDF Help

Previous Patent: EXHAUST GAS PURIFICATION DEVICE

Next Patent: PELLICLE, PHOTOMASK WITH PELLICLE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR ELEMENT