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.

Date of Patent:
Sep. 23, 2025

Filed:

Apr. 16, 2024
Applicant:

Rolls-royce Plc, London, GB;

Inventors:

Anastasios Kovanis, Derby, GB;

Andrew Mekeresz, Derby, GB;

Assignee:

ROLLS-ROYCE plc, London, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01); F01D 5/14 (2006.01); F01D 5/30 (2006.01);
U.S. Cl.
CPC ...
F01D 11/008 (2013.01); F01D 5/14 (2013.01); F01D 5/30 (2013.01); F05D 2220/36 (2013.01);
Abstract

An annulus filler for mounting to a rotor disc of a gas turbine engine includes a coupling portion and an outer lid coupled to the coupling portion. The outer lid includes a leading edge, a trailing edge, and a main portion including an outer radial surface. The outer lid further includes a protruding portion connected to the main portion and extending radially outwardly from the main portion. The protruding portion is axially disposed between and spaced apart from the leading edge and the trailing edge. The protruding portion includes a protruding surface contiguous with and extending radially outwardly from the outer radial surface, such that the protruding surface is configured to redirect air drawn through the gas turbine engine.


Find Patent Forward Citations

Kovanis, Anastasios. (2025). Annulus filler for a gas turbine engine (U.S. Patent No. 12421860). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12421860

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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