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, 2026
Filed:
May. 29, 2024
Stein Seal Company, Kulpsville, PA (US);
Thurai Manik Vasagar, Hatfield, PA (US);
Stein Seal Company, Kulpsville, PA (US);
Abstract
A circumferential sealing assembly for use between a lower-pressure oil side and a higher-pressure gas side is presented. The assembly includes a sealing ring interposed between either a rotatable runner or a sleeve and a housing within a turbine engine. Ducts communicate the hot gas into grooves to form a thin film between the ring and the runner or the sleeve. Embodiments include grooves on the runner and ducts through the runner; grooves on the ring and ducts through the runner; grooves on the ring and ducts through the ring; grooves on the runner and ducts through the ring; grooves on the sleeve and ducts through the sleeve; grooves on the ring and ducts through the sleeve; grooves on the ring and ducts through the ring adjacent to the sleeve; and grooves on the sleeve and ducts through the ring. Grooves and/or ducts may rotate with the component(s) thereon.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile