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:
Feb. 11, 2025
Filed:
Nov. 22, 2022
Kabushiki Kaisha Toyota Jidoshokki, Kariya, JP;
Fumihiro Suzuki, Aichi-ken, JP;
Fumiya Shinoda, Aichi-ken, JP;
Hidetaka Hayashi, Aichi-ken, JP;
Naoharu Ueda, Aichi-ken, JP;
Takuhito Tsutsui, Aichi-ken, JP;
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Kariya, JP;
Abstract
A turbo fluid machine includes a rotating member having a bearing-contact surface; an operating part configured to rotate together with the rotating member to compress and discharge a fluid; a housing accommodating the rotating member and the operating part; and a foil bearing having a bearing surface that faces the bearing-contact surface and supporting the rotating member such that the rotating member is rotatable relative to the housing. At least one of the bearing-contact surface or the bearing surface has thereon a coating layer. The coating layer comprises polyamide-imide serving as a binder resin and molybdenum disulfide serving as a solid lubricant. A mass ratio of molybdenum disulfide to polyamide-imide is 0.42 or more.