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:
Dec. 06, 2011
Filed:
Jul. 25, 2008
Applicants:
Takao Suzuki, Numazu, JP;
Shoji Kanai, Ueda, JP;
Inventors:
Takao Suzuki, Numazu, JP;
Shoji Kanai, Ueda, JP;
Assignees:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Art Metal Mfg. Co., Ltd., Nagano-Ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01B 31/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A piston is equipped with a skirt that has a sliding surface provided with an oil repellent resin layer. A solid lubricating resin layer and the oil repellent resin layer are exposed on the sliding surface. On the sliding surface, the oil repellent resin layer extends at an incline with respect to the centerline of the sliding surface in a circumferential direction of the piston.