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:
Nov. 14, 2017
Filed:
Apr. 14, 2010
Applicant:
Takenobu Sakai, Toyota, JP;
Inventor:
Takenobu Sakai, Toyota, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/04 (2006.01); F02F 1/24 (2006.01); F02F 1/00 (2006.01); F02F 3/10 (2006.01); F02F 3/14 (2006.01); C25D 11/08 (2006.01); C25D 11/10 (2006.01); F02B 23/00 (2006.01); F02B 23/06 (2006.01);
U.S. Cl.
CPC ...
F02F 1/24 (2013.01); C25D 11/08 (2013.01); C25D 11/10 (2013.01); F02F 1/00 (2013.01); F02F 3/10 (2013.01); F02F 3/14 (2013.01); F02B 23/00 (2013.01); F02B 2023/0609 (2013.01); F05C 2203/0869 (2013.01); F05C 2253/12 (2013.01); Y10T 29/49272 (2015.01);
Abstract
An object of the present invention is to enhance the thermal efficiency of an engine, to provide a film having low thermal conductivity and low heat capacity and being free from separation, drop-off and the like and excellent in durability and reliability. According to the present invention, an engine combustion chamber structure, wherein an anodic oxide film having a thickness of from more than 20 μm to 500 μm and a porosity of 20% or more is formed on the inner surface of the engine combustion chamber, and a manufacturing method thereof are provided.