Title:
圧縮着火エンジン
Document Type and Number:
Japanese Patent JP7047751
Kind Code:
B2
Abstract:
A cavity5Cprovided at a crown surface50of a piston5includes a first cavity section51provided in a central area in a radial direction, a second cavity section52provided outside the first cavity section, and a lip53provided to connect the first-and-second cavity sections. Plural injection holes of an injector18include a first injection-hole group30where plural first injection holes31directed toward a part close to the piston in a cylinder-axis direction A are provided circumferentially and a second injection-hole group40where plural second injection holes directed toward a part close to a ceiling surface6Uof a combustion chamber6in the cylinder-axis direction A are provided circumferentially. The first injection-hole group30and the second injection-hole group40are positioned so as to inject fuel toward the lip53concurrently.
Inventors:
Kim Nao
Takashi Sumimoto
Shintaro Okada
Shige Daisuke
Tomoyuki Kanda
Shinichiro Tagami
Chinori Hirabayashi
Takashi Sumimoto
Shintaro Okada
Shige Daisuke
Tomoyuki Kanda
Shinichiro Tagami
Chinori Hirabayashi
Application Number:
JP2018240612A
Publication Date:
April 05, 2022
Filing Date:
December 25, 2018
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
F02M61/18; F02B23/06; F02F3/26
Domestic Patent References:
| JP2014222041A | ||||
| JP2018193909A | ||||
| JP2012092778A | ||||
| JP2010101243A | ||||
| JP2006125388A | ||||
| JP2013160186A | ||||
| JP2011185242A |
Foreign References:
| WO2015177897A1 |
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Kotani
Haruhiro Hirata
Masataka Kotani
Haruhiro Hirata
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