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Title:
COMBUSTION CONTROL SYSTEM AND COMBUSTION CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2022/153610
Kind Code:
A1
Abstract:
This combustion control system comprises: an action control unit that causes an ignition action to take place in an ignition coil; an electric quantity change timing detection unit that detects the timing of an electric quantity change in the ignition coil during a predetermined period after a spark plug starts the ignition action, said electric quantity change being different from a change caused by electric discharge of the spark plug; a combustion timing calculation unit that calculates a combustion timing at which a combustion ratio reaches a predetermined value on the basis of the electric quantity change timing; and a combustion timing determination unit that determines if the combustion timing is within a predetermined range.

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Inventors:
SHIMADA ATSUSHI (JP)
SUKEGAWA YOSHIHIRO (JP)
KUMANO KENGO (JP)
YONEYA NAOKI (JP)
MITSUFUJI KENTA (JP)
OHATA EIICHIRO (JP)
Application Number:
PCT/JP2021/035057
Publication Date:
July 21, 2022
Filing Date:
September 24, 2021
Export Citation:
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Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F02P13/00; F02B19/12; F02D45/00
Foreign References:
JP2020094554A2020-06-18
JP2019183809A2019-10-24
JP2010090860A2010-04-22
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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