Title:
過給機付きエンジン
Document Type and Number:
Japanese Patent JP6555312
Kind Code:
B2
Abstract:
A boosted engine is provided, which includes an engine body formed with a combustion chamber, a spark plug, a fuel injection valve, a booster, a boost controller, and a control unit including an operating range determining module and a compression end temperature estimating module. In a high load range, the fuel injection valve and the spark plug are controlled so that a mixture gas inside the combustion chamber starts combustion through flame propagation by ignition of the spark plug, and unburned mixture gas then combusts by compression ignition, and the boost controller is controlled to bring the booster into a boosting state. When a gas temperature inside the combustion chamber exceeds a given temperature at CTDC, the fuel injection valve is controlled so that a fuel injection end timing occurs on a compression stroke, and the spark plug is controlled so that the mixture gas is ignited after CTDC.
Inventors:
Atsushi Inoue
Keiji Araki
Keiji Araki
Application Number:
JP2017185750A
Publication Date:
August 07, 2019
Filing Date:
September 27, 2017
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
F02D23/02; F02B23/10; F02B33/34; F02D13/02; F02D21/08; F02D23/00; F02D41/04; F02D41/34; F02D43/00; F02D45/00; F02M26/03; F02M26/22; F02P5/15
Domestic Patent References:
| JP2008184968A | ||||
| JP2010236477A | ||||
| JP2012246777A | ||||
| JP2016128666A |
Attorney, Agent or Firm:
Maeda patent office