Title:
内燃機関の吸気構造
Document Type and Number:
Japanese Patent JP7003626
Kind Code:
B2
Abstract:
In an intake structure of an internal combustion engine (10), on an intake upstream side from a valve seat (32) of an intake port (22), a convex portion (36) is provided which protrudes to an inside of the intake port (22) in a place near an outer circumferential portion of a cylinder chamber (12) when viewed from an upper side of the cylinder chamber (12). The convex portion (36) includes an upstream guide surface (3602) extending from an apex (3610) of the convex portion (36) to the intake upstream side, and a downstream guide surface (3604) extending from the apex (3610) to an intake downstream side and including a curved surface recessed inside the convex portion (36) at a middle portion thereof.
Inventors:
Yoshiwara Akira
Koichi Matsumoto
Shigeki Nabeya
Kazuaki Koyama
Yuya Okamoto
Koichi Matsumoto
Shigeki Nabeya
Kazuaki Koyama
Yuya Okamoto
Application Number:
JP2017242410A
Publication Date:
January 20, 2022
Filing Date:
December 19, 2017
Export Citation:
Assignee:
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
International Classes:
F02F1/42; F02B23/08
Domestic Patent References:
| JP2016180359A | ||||
| JP2000179417A |
Foreign References:
| EP2787208A1 | ||||
| FR2923268A1 | ||||
| FR2910541A1 | ||||
| FR2037270A1 |
Attorney, Agent or Firm:
Shigeru Noda