Title:
INTERNAL COMBUSTION ENGINE CONTROL DEVICE AND INTERNAL COMBUSTION ENGINE CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2023/199508
Kind Code:
A1
Abstract:
This internal combustion engine control device integrates an oxygen storage amount stored by a three-dimensional catalyst in a period from an integration start position at which combustion gas of an internal combustion engine calculated from an air-fuel ratio of exhaust gas starts changing from lean to rich or rich to lean to an integration stop position at which the concentration of oxygen increasing or decreasing before the integration start position inverts.
Inventors:
KOMORI AKIHIRO (JP)
SUZUKI KUNIHIKO (JP)
SUZUKI KUNIHIKO (JP)
Application Number:
PCT/JP2022/017915
Publication Date:
October 19, 2023
Filing Date:
April 15, 2022
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F01N3/20; F01N3/00; F01N3/22; F02D45/00
Domestic Patent References:
| WO2011132233A1 | 2011-10-27 | |||
| WO2020189080A1 | 2020-09-24 |
Foreign References:
| JP2000110631A | 2000-04-18 | |||
| JP2008255973A | 2008-10-23 | |||
| JP2022042976A | 2022-03-15 | |||
| JP2022016890A | 2022-01-25 | |||
| JP2017048699A | 2017-03-09 | |||
| JP2019094871A | 2019-06-20 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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