Title:
INTERNAL COMBUSTION ENGINE CONTROL DEVICE AND INTERNAL COMBUSTION ENGINE CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2024/095395
Kind Code:
A1
Abstract:
According to one aspect of the present invention, an internal combustion engine control device controls an internal combustion engine comprising an oil pump that discharges lubricating oil at a specified flow rate and an oil jet system that injects the lubricating oil discharged from the oil pump toward a supplied portion of a piston, the internal combustion engine control device comprising a control unit that performs, when the temperature of a piston crown surface is lower than a lower limit temperature of a temperature range in which an amount of deposit accumulation on the piston crown surface is smaller than a threshold value, control for stopping the injection of the lubricating oil from the oil jet system or control for reducing the flow rate of the lubricating oil compared with the flow rate in the previous cycle.
Inventors:
KUSAKABE RYO (JP)
YAMAZAKI YUZURU (JP)
SHISHIDO KEITARO (JP)
SUZUKI KUNIHIKO (JP)
YAMAZAKI YUZURU (JP)
SHISHIDO KEITARO (JP)
SUZUKI KUNIHIKO (JP)
Application Number:
PCT/JP2022/040999
Publication Date:
May 10, 2024
Filing Date:
November 02, 2022
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F01M1/08; F01M1/02; F01M1/16; F01M11/10
Domestic Patent References:
| WO2015029985A1 | 2015-03-05 |
Foreign References:
| JP2013064374A | 2013-04-11 | |||
| JP2018131941A | 2018-08-23 | |||
| JP2002147236A | 2002-05-22 | |||
| JP2018189022A | 2018-11-29 | |||
| JP2008267293A | 2008-11-06 | |||
| JP2018193878A | 2018-12-06 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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