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. 24, 2026
Filed:
Feb. 21, 2022
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Sagamihara, JP;
Takaya Futae, Tokyo, JP;
Shuichi Isayama, Tokyo, JP;
Toru Suzuki, Tokyo, JP;
Naomichi Shibata, Sagamihara, JP;
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Sagamihara, JP;
Abstract
A gas bearing device using a gas as a working fluid, including: a rotational shaft; a housing where the rotational shaft penetrates; an annular top foil disposed inside the housing and surrounding an outer periphery of the rotational shaft; a back spring disposed between the top foil and the housing, and having a plurality of crests contacting the top foil and a plurality of valleys contacting the housing; and a pair of snap rings fitted in shaft holes where the rotational shaft of the housing penetrates, and configured to restrict movement of the back spring in an axial direction of the rotational shaft. The gas bearing device has a turning groove inclined with respect to an axis of the rotational shaft, in at least one of the pair of snap rings or in a region of the rotational shaft facing at least one of the pair of snap rings.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile