The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 07, 2016
Filed:
Sep. 11, 2012
Naoki Nishikawa, Miyoshi, JP;
Takumi Hijii, Toyota, JP;
Akio Kawaguchi, Shizuoka-ken, JP;
Ryouta Yatsuduka, Ikeda, JP;
Fumio Shimizu, Toyota, JP;
Yoshifumi Wakisaka, Nagoya, JP;
Hidemasa Kosaka, Nissin, JP;
Naoki Nishikawa, Miyoshi, JP;
Takumi Hijii, Toyota, JP;
Akio Kawaguchi, Shizuoka-ken, JP;
Ryouta Yatsuduka, Ikeda, JP;
Fumio Shimizu, Toyota, JP;
Yoshifumi Wakisaka, Nagoya, JP;
Hidemasa Kosaka, Nissin, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, JP;
Abstract
An internal combustion engine having an anodic oxidation coating formed on at least a part of a wall surface that faces a combustion chamber, wherein the anodic oxidation coating has voids and nano-holes smaller than the voids; at least part of the voids are sealed with a sealant derived by converting a sealing agent; and at least a part of the nano-holes are not sealed.