Title:
内燃機関
Document Type and Number:
Japanese Patent JP6565952
Kind Code:
B2
Abstract:
An internal combustion engine includes: a main combustion chamber (10); an intake port (30) connected to the main combustion chamber; an exhaust port (40) connected to the main combustion chamber; a sub-chamber (50); and a spark plug (60) in the sub-chamber. The sub-chamber is provided between the intake opening portion and the exhaust opening portion and connected to the main combustion chamber through a plurality of communication holes. The communication holes include a first communication hole (51i) provided on the intake opening portion side, and a second communication hole (51e) provided on the exhaust opening portion side. The first communication hole (51i) is closer to the piston than the second communication hole (51e) is. The first communication hole (51i) is inclined to be closer to the piston as the first communication hole (51i) is positioned toward the inside from the outside of the sub-chamber (50).
Inventors:
Mori Yukio
Application Number:
JP2017024075A
Publication Date:
August 28, 2019
Filing Date:
February 13, 2017
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02B19/18; F02B19/12; F02B23/08
Domestic Patent References:
| JP8284665A | ||||
| JP2006177248A | ||||
| JP2007297942A |
Foreign References:
| US20120025689 |
Attorney, Agent or Firm:
Hideki Takahashi
Mamoru Takada
Hidekazu Onishi
Mamoru Takada
Hidekazu Onishi