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:
Oct. 01, 2019
Filed:
Oct. 26, 2016
Ntn Corporation, Osaka, JP;
Masato Yoshino, Mie, JP;
Hiroki Fujiwara, Mie, JP;
NTN CORPORATION, Osaka, JP;
Abstract
A foil bearing () includes foils () at a plurality of portions in a rotation direction of a shaft member (). A top foil portion (Tf) including a bearing surface (S) is formed in a region including a front end () of each of the foils (), and a back foil portion (Bf) is formed in a region including a rear end () of each of the foils (). A gap (C) is secured between, of two of the foils adjacent to the foil () in a rotation direction (R) and a direction opposite to the rotation direction, the rear end () of the foil on the rotation direction side and the front end () of the foil on the side opposite to the rotation direction side. A width of the gap (C) is set to be non-uniform in a direction (N) orthogonal to the rotation direction.