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:
Jan. 08, 2019
Filed:
Jul. 31, 2012
Applicants:
Ryotaro Takada, Utsunomiya, JP;
Yositaka Tsujii, Utsunomiya, JP;
Inventors:
Ryotaro Takada, Utsunomiya, JP;
Yositaka Tsujii, Utsunomiya, JP;
Assignee:
HONDA MOTOR CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 3/00 (2006.01); F02F 3/10 (2006.01); F16J 1/01 (2006.01); F16J 1/04 (2006.01); F16J 1/08 (2006.01);
U.S. Cl.
CPC ...
F02F 3/0084 (2013.01); F02F 3/10 (2013.01); F16J 1/01 (2013.01); F16J 1/04 (2013.01); F16J 1/08 (2013.01); F05C 2201/0421 (2013.01); F05C 2201/0475 (2013.01); F05C 2201/90 (2013.01); F05C 2203/086 (2013.01); F05C 2203/0808 (2013.01); F05C 2203/0813 (2013.01); F05C 2203/0817 (2013.01); F05C 2203/0821 (2013.01); F05C 2203/0839 (2013.01); F05C 2251/14 (2013.01); F05C 2253/12 (2013.01);
Abstract
A piston that moves reciprocally in the cylinder of an internal combustion engine and has a piston skirt that makes sliding contact with the inner wall of the cylinder. Solid lubrication parts are provided on the sliding-contact surface of the piston skirt. The solid lubrication parts include at least one type of silver, silver alloy, copper, or copper alloy, and at least one type of carbon material or carbide ceramics.