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:
Apr. 05, 2005
Filed:
Oct. 04, 2002
Yukihiko Kagohara, Nagoya, JP;
Takeshi Hoshina, Nagoya, JP;
Hideo Ishikawa, Nagoya, JP;
Masaaki Sakamoto, Nagoya, JP;
Yukihiko Kagohara, Nagoya, JP;
Takeshi Hoshina, Nagoya, JP;
Hideo Ishikawa, Nagoya, JP;
Masaaki Sakamoto, Nagoya, JP;
Daido Metal Company Ltd., Nagoya, JP;
Abstract
An aluminum bearing-alloy containing 1.5 to 8 mass % of Si is provided, in which there can be observed Si grains on the sliding surface of the aluminum bearing-alloy. A fractional area of the observed Si grains having a grain size of less than 4 μm is 20 to 60% of a total area of all the observed Si grains. Another fractional area of the observed Si grains having a grain size of from 4 to 20 μm is not less than 40% of the total area of all the observed Si grains.