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:
May. 08, 2012
Filed:
Mar. 05, 2007
Tatsuo Nakajima, Shizuoka, JP;
Kouya Oohira, Mie, JP;
Tatsuo Nakajima, Shizuoka, JP;
Kouya Oohira, Mie, JP;
NTN Corporation, Osaka, JP;
Abstract
A rolling bearing is provided that includes an inner ring, an outer ring, and a plurality of rolling elements provided between a raceway surface of the inner ring and that of the outer ring and has a ceramic film formed on at least one surface selected from among an inner peripheral surface of the inner ring and a peripheral surface of the outer ring. The ceramic film is formed by using an aerosol deposition method in which alumina fine particles or the like is used as a material of aerosol. The ceramic film is formed with an aerosol injection nozzle kept stationary and the inner ring or the outer ring being rotated by using a motor for rotating an object, the inner ring or the outer ring is moved axially by using a positioning XY table.