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Patent Searching and Data


Title:
EXHAUST GAS PURIFICATION CATALYST
Document Type and Number:
WIPO Patent Application WO/2018/123286
Kind Code:
A1
Abstract:
Disclosed is a wall-flow type exhaust gas purification catalyst 100 which is disposed in an exhaust pipe of an internal combustion engine and which purifies exhaust gas discharged from the internal combustion engine. This exhaust gas purification catalyst 100 is provided with: a base material 10, of a wall-flow structure, which has an entrance-side cell 20 having an exhaust gas outflow-side end portion 14 that is sealed with an exit-side sealing member 32, has an exit-side cell 22 having an exhaust gas inflow-side end portion 12 that is sealed with an entrance-side sealing member 34, and has a porous partition wall 40; and an internal catalyst layer 60 which is formed in the partition wall 40 inside the base material 10. The exhaust gas purification catalyst 100 disclosed herein is characterized in that an end portion catalyst layer 70 is formed at least at an exhaust gas inflow-side end face 34a of the entrance-side sealing member 34.

Inventors:
INODA SATORU (JP)
NOMURA YASUTAKA (JP)
ONOE RYOTA (JP)
HOSHINO SHO (JP)
KURIYAMA JUNJI (JP)
Application Number:
PCT/JP2017/040362
Publication Date:
July 05, 2018
Filing Date:
November 09, 2017
Export Citation:
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Assignee:
CATALER CORP (JP)
International Classes:
B01D53/94; B01J35/04; B01J23/63; F01N3/28
Domestic Patent References:
WO2016036780A12016-03-10
WO2005045207A12005-05-19
WO2016060050A12016-04-21
Foreign References:
JP2011078899A2011-04-21
JP2005009454A2005-01-13
JPS60238152A1985-11-27
Attorney, Agent or Firm:
ABE, Makoto (JP)
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