Title:
排ガス浄化システム
Document Type and Number:
Japanese Patent JP7420087
Kind Code:
B2
Abstract:
An exhaust gas purification system of the present disclosure includes a first exhaust gas purification device that purifies exhaust gas discharged from an internal combustion engine and a second exhaust gas purification device that additionally purifies the exhaust gas purified by the first exhaust gas purification device, wherein the exhaust gas is exhaust gas with a gaseous composition in which an amount of reducing agents is in excess compared to a stoichiometric gaseous composition and a gaseous composition in which an amount of oxidants is in excess compared to the stoichiometric gaseous composition are alternately switched between, the first exhaust gas purification device includes a three-way catalyst, and the second exhaust gas purification device includes an exhaust gas purification catalyst containing spinel-type MgAlxFe2.00−xO4.00 supporting particles on which Rh is supported, where 0.00<×≤1.50.
Inventors:
Naoto Nagata
Kazu Wakayama
Kazu Wakayama
Application Number:
JP2021006625A
Publication Date:
January 23, 2024
Filing Date:
January 19, 2021
Export Citation:
Assignee:
Toyota Motor Corporation
International Classes:
B01J23/89; B01D53/94; B01J35/60; F01N3/10; F01N3/24; F02D43/00
Domestic Patent References:
| JP2001132440A | ||||
| JP2001048529A | ||||
| JP2017070912A |
Foreign References:
| WO2011062129A1 | ||||
| WO2008096575A1 | ||||
| WO2007113981A1 |
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mihashi
Junichi Tsuruta
Kouichi Ito
Nobuo Sekine
Tsutomu Kawano
Shujiro Aoki
Shinji Mihashi
Junichi Tsuruta
Kouichi Ito
Nobuo Sekine
Tsutomu Kawano
Shujiro Aoki