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:
Jul. 07, 2020
Filed:
Feb. 22, 2019
Ihi Corporation, Koto-ku, JP;
Tomomi Sugiura, Tokyo, JP;
IHI Corporation, Koto-ku, JP;
Abstract
Provided is a bearing structure, including: a thrust bearing surface having a through hole for allowing a shaft to be inserted therethrough; a plurality of land portions, which are formed on the thrust bearing surface, and are separated apart from each other in a rotation direction of the shaft; a tapered portion, which is formed between the plurality of land portions on the thrust bearing surface, and has a projection height in an insertion direction of the shaft which becomes higher toward a forward side in the rotation direction; and a thrust groove, which is formed in the tapered portion, and extends from the through hole to a radially inner side of an outer peripheral end of the tapered portion.