Internal combustion engine and manufacturing method therefor

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United States of America Patent

PATENT NO 9863312
SERIAL NO

14910320

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
TOYOTA JIDOSHA KABUSHIKI KAISHATOYOTA-SHI AICHI-KEN 471-8571

International Classification(s)

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  • 2014 Application Filing Year
  • C25D Class
  • 592 Applications Filed
  • 449 Patents Issued To-Date
  • 75.85 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20142015201620172018201920202021202220230255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Horie, Toshio Nagakute, JP 19 126
Kawaguchi, Akio Shizuoka-ken, JP 20 213
Makino, Hiroshi Nagoya, JP 140 2859
Nishikawa, Naoki Miyoshi, JP 78 963
Shimizu, Fumio Nagakute, JP 55 985
Takagishi, Reona Miyoshi, JP 7 8
Wakisaka, Yoshifumi Nagakute, JP 31 193

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Patent Citation Ranking

  • 1 Citation Count
  • C25D Class
  • 45.04 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges259286194311201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 70020406080100120140160180200220240260280300320

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