圧縮着火式エンジン - Mazda Corporation Inc

Title:

圧縮着火式エンジン

Document Type and Number:

Japanese Patent JP6648734

Kind Code:

B2

Abstract:

To provide a compression ignition type engine capable of reducing emission to actualize good operation.SOLUTION: The compression ignition type engine includes a first fuel supply part 19 for supplying naphtha, a second fuel supply part 18 for supplying diesel fuel, an intake air valve part 71 for adjusting an opening/closing timing for an intake valve 21, and a control part 10 for controlling these. In a low-load region having a low load, at least the naphtha is supplied and intake delayed closing control is performed so that an air-fuel ratio is in a range of 14.5-15.0.SELECTED DRAWING: Figure 7

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Inventors:

Mitsuo Hitomi
Hiroyuki Yamamoto
Toshihide Yamamoto
Eiji Fujimoto

Application Number:

JP2017108788A

Publication Date:

February 14, 2020

Filing Date:

May 31, 2017

Export Citation:

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Assignee:

Mazda Corporation Inc

International Classes:

F02D13/02; F02D19/06; F02D19/08; F02D21/08; F02D41/02; F02D41/04; F02D43/00

Domestic Patent References:

JP2008082299A
JP2010084599A
JP2010216275A
JP2015148178A
JP2010138799A
JP2005016407A

Foreign References:

US20130152898
WO2017017754A1

Attorney, Agent or Firm:

Maeda patent office

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