EXHAUST GAS PURIFICATION DEVICE

Title:

EXHAUST GAS PURIFICATION DEVICE

Document Type and Number:

WIPO Patent Application WO/2017/175574

Kind Code:

A1

Abstract:

An exhaust gas purification device according to the present invention is provided with: a wall-flow-structure substrate 10 having entry cells 12, exit cells 14, and porous partitions 16; upstream-side catalyst layers 20 provided in the partitions 16 and disposed in the upstream-side portion, including the end part on the exhaust gas inflow side, of the substrate 10; and downstream-side catalyst layers 30 provided in the partitions 16 and disposed in the downstream-side portion, including the end part on the exhaust gas outflow side, of the substrate 10. The downstream-side catalyst layers 30 include a carrier and Rh carried by the carrier. The upstream-side catalyst layers 20 include a carrier and Pd and/or Pt carried by the carrier.

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Inventors:

INODA SATORU (JP)
NOMURA YASUTAKA (JP)
KURIYAMA JUNJI (JP)
MIYOSHI NAOTO (JP)
TAKEUCHI MASAHIKO (JP)
SATO AKEMI (JP)

Application Number:

PCT/JP2017/011150

Publication Date:

October 12, 2017

Filing Date:

March 21, 2017

Export Citation:

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Assignee:

CATALER CORP (JP)

International Classes:

B01D53/94; B01J23/63; B01J35/04; F01N3/022; F01N3/035; F01N3/28

Domestic Patent References:

WO2015087816A1

2015-06-18

Foreign References:

JP2008151100A	2008-07-03
JP2012240007A	2012-12-10
JP2016078016A	2016-05-16
JP2007185571A	2007-07-26
JP2007185571A	2007-07-26
JP2009082915A	2009-04-23

Other References: