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. 16, 2019
Filed:
Dec. 24, 2015
Tocalo Co., Ltd, Kobe-shi, Hyogo, JP;
Nsk Ltd., Shinagawa-ku, Tokyo, JP;
Junichi Takeuchi, Funabashi, JP;
Yuji Okada, Funabashi, JP;
Masaya Nagai, Funabashi, JP;
Manabu Yamada, Fujisawa, JP;
Naozumi Nakata, Fujisawa, JP;
TOCALO CO., LTD, Kobe-shi, JP;
NSK LTD., Tokyo, JP;
Abstract
An insulated bearing includes an outer ring, an inner ring, and a plurality of rolling elements. At least one of the outer ring and an inner ring is made of metal, the plurality of rolling elements are provided between the outer ring and the inner ring, so as to be freely rolled, and at least one of the outer ring and an inner ring is coated with an insulating layer. The insulating layer is formed of a mixture in which silicon carbide and/or aluminum nitride as an additive are/is dispersed in aluminum oxide as a base matrix. The content of the additive is 1 to 40 mass % with respect to the total amount of the mixture.