Title:
An internal-combustion engine and its manufacturing method
Document Type and Number:
Japanese Patent JP5913227
Kind Code:
B2
Abstract:
In an internal combustion engine in which an anodic oxide film (10) is formed on part or all of a wall surface facing a combustion chamber, the anodic oxide film (10) has a thickness of 30 μm to 170 μm, the anodic oxide film (10) has first micropores (1a) having a micro-size diameter, nanopores having a nano-size diameter and second micropores (1b) having a micro-size diameter, the first micropores (1a) and the nanopores extending from a surface of the anodic oxide film (10) toward an inside of the anodic oxide film (10) in a thickness direction of the anodic oxide film (10) or substantially the thickness direction, the second micropores (1b) being provided inside the anodic oxide film (10), at least part of the first micropores (1a) and the nanopores are sealed with a seal (2) converted from a sealant (2), and at least part of the second micropores (1b) are not sealed.
Inventors:
Naoki Nishikawa
Hiroshi Makino
Reona Takagishi
Akio Kawaguchi
Yoshifumi Wakisaka
Fumio Shimizu
Toshio Horie
Hiroshi Makino
Reona Takagishi
Akio Kawaguchi
Yoshifumi Wakisaka
Fumio Shimizu
Toshio Horie
Application Number:
JP2013162594A
Publication Date:
April 27, 2016
Filing Date:
August 05, 2013
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
Toyota Central R & D Labs.
Toyota Central R & D Labs.
International Classes:
F02F1/00; B82Y30/00; B82Y40/00; C25D11/04; C25D11/18; F02F3/00; F02F3/10; F02F3/14; F16J10/00
Domestic Patent References:
| JP2013060620A | ||||
| JP2010249008A | ||||
| JP2003211002A | ||||
| JP58192949A | ||||
| JP2013014830A | ||||
| JP2012072745A |
Attorney, Agent or Firm:
Yusuke Hiraki
Sekiya Mitsuo
Ishikawa Takiharu
Sekiya Mitsuo
Ishikawa Takiharu