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:
Mar. 31, 2020
Filed:
Apr. 12, 2017
Nsk Ltd., Tokyo, JP;
Tocalo Co., Ltd, Kobe-shi, Hyogo, JP;
Manabu Yamada, Fujisawa, JP;
Naozumi Nakata, Fujisawa, JP;
Shinichi Nishiguchi, Fujisawa, JP;
Junichi Takeuchi, Funabashi, JP;
Seiki Matsuura, Funabashi, JP;
Yuji Okada, Funabashi, JP;
NSK LTD., Tokyo, JP;
TOCALO CO., LTD, Hyogo, JP;
Abstract
An insulated bearing includes a pair of bearing rings arranged concentrically to each other and rolling elements arranged to be rotatable between the pair of bearing rings, at least one of the bearing rings having an insulating layer formed thereon. The one of the bearing rings having the insulating layer formed thereon has an annular groove having an arc-shaped cross section formed on each of both end surfaces of the bearing ring. At least a surface from a non-raceway surface side circumferential surface to the annular groove of the bearing ring is covered by the insulating layer. The insulating layer is a ceramic thermal sprayed layer.