Title:
ENGINE
Document Type and Number:
WIPO Patent Application WO/2023/181398
Kind Code:
A1
Abstract:
This engine comprises: a piston; a cylinder block having a cylinder in which the piston reciprocates; a cylinder head that is secured to the cylinder block, and forms a main chamber between the piston and the cylinder head; a partition wall that is provided on the main chamber side of the cylinder head, and forms a sub-chamber in the main chamber; an injection nozzle for injecting fuel into the main chamber; and an ignition plug installed in the sub-chamber. The partition wall has a fuel inflow communication passage that is provided on the injection nozzle side in a circumferential direction of the cylinder, and leads from the main chamber to the sub-chamber, and a protruding wall protruding from a main chamber-side wall surface of the partition wall. The protruding wall surrounds a main chamber-side opening of the fuel inflow communication passage, and forms a receiving surface that is flat or recessed from an outer peripheral edge of the protruding wall toward an outside opening of the fuel flow communication passage.
Inventors:
YAMADA TOSHIYUKI (JP)
INOUE YOSHIYA (JP)
HAYASHI SHINJI (JP)
INOUE YOSHIYA (JP)
HAYASHI SHINJI (JP)
Application Number:
PCT/JP2022/014617
Publication Date:
September 28, 2023
Filing Date:
March 25, 2022
Export Citation:
Assignee:
MITSUBISHI MOTORS CORP (JP)
International Classes:
F02B19/12; F02B19/08; F02B19/18
Domestic Patent References:
| WO2021161553A1 | 2021-08-19 | |||
| WO2020076222A1 | 2020-04-16 |
Foreign References:
| JP2004204835A | 2004-07-22 | |||
| JP2019049258A | 2019-03-28 | |||
| JPS60139032U | 1985-09-13 | |||
| JP2005264815A | 2005-09-29 | |||
| JP2018172971A | 2018-11-08 |
Attorney, Agent or Firm:
SSIP PATENT ATTORNEY CORPORATION (JP)
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