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Title:
COMBUSTION CHAMBER STRUCTURE OF ENGINE
Document Type and Number:
Japanese Patent JP2022012438
Kind Code:
A
Abstract:
To provide a combustion chamber structure of an engine capable of suppressing the occurrence of smoke due to fuel leakage from an injector.SOLUTION: A combustion chamber structure of an engine comprises: a cylinder; a piston 5; a cylinder head with a ceiling surface that forms a combustion chamber with a crown surface 10 of the piston 5; and an injector disposed on the ceiling surface of the cylinder head so as to face the combustion chamber. On the crown surface 10 of the piston 5, at least one groove part 50 is formed in a predetermined region including a lower position P1 of the tip part of the injector. The at least one groove part 50 is formed so as to make it deeper toward one side in a radial direction of the piston 5.SELECTED DRAWING: Figure 3

Inventors:
KAWAGUCHI KENTARO
AOKI OSAMU
UCHIDA KENJI
HARADA YUJI
OKIHAMA KEISUKE
KON YOHEI
Application Number:
JP2020114263A
Publication Date:
January 17, 2022
Filing Date:
July 01, 2020
Export Citation:
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Assignee:
MAZDA MOTOR
International Classes:
F02B23/08; F02B23/10; F02F3/26; F16J1/00
Attorney, Agent or Firm:
Takuji Yamada
Mikio Tanaka