Title:
INTERNAL COMBUSTION ENGINE CONTROL DEVICE AND INTERNAL COMBUSTION ENGINE CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2023/243192
Kind Code:
A1
Abstract:
The present invention provides an internal combustion engine control device and an internal combustion engine control method capable of reducing accidental fire caused by lean combustion and suppressing degradation of an ignition device. The internal combustion engine control device is provided with a control unit that controls the ignition device in a suction process in a combustion cycle of an internal combustion engine and performs preliminary ignition different from main ignition to ignite an air-fuel mixture. According to a flow mode of an air-fuel mixture inside a combustion room, the control unit determines an ignition cycle and a frequency of a preliminary ignition signal output to the ignition device.
Inventors:
MITSUFUJI KENTA (JP)
YONEYA NAOKI (JP)
OHATA EIICHIRO (JP)
HOSAKA TOMOYUKI (JP)
YONEYA NAOKI (JP)
OHATA EIICHIRO (JP)
HOSAKA TOMOYUKI (JP)
Application Number:
PCT/JP2023/014127
Publication Date:
December 21, 2023
Filing Date:
April 05, 2023
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F02P15/10
Domestic Patent References:
| WO2021106520A1 | 2021-06-03 | |||
| WO2014147795A1 | 2014-09-25 | |||
| WO2019087748A1 | 2019-05-09 |
Foreign References:
| JP2019194463A | 2019-11-07 | |||
| JP2019194459A | 2019-11-07 | |||
| JP2006250099A | 2006-09-21 | |||
| JP2010037947A | 2010-02-18 | |||
| JP2015175283A | 2015-10-05 | |||
| JP2015200257A | 2015-11-12 | |||
| JP2018021518A | 2018-02-08 | |||
| JP2018173022A | 2018-11-08 | |||
| JP2021017835A | 2021-02-15 | |||
| JP2021092158A | 2021-06-17 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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