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:
Jan. 23, 2024

Filed:

Apr. 07, 2023
Applicants:

Rolls-royce North American Technologies Inc., Indianapolis, IN (US);

Rolls-royce Corporation, Indianapolis, IN (US);

Inventors:

Eric Engebretsen, Indianapolis, IN (US);

Christopher Hall, Indianapolis, IN (US);

Erick Meyer, Indianapolis, IN (US);

Assignees:

Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);

Rolls-Royce Corporation, Indianapolis, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/56 (2006.01); F04D 29/54 (2006.01); F04D 29/02 (2006.01); F04D 19/00 (2006.01);
U.S. Cl.
CPC ...
F04D 29/563 (2013.01); F04D 29/542 (2013.01); F04D 19/002 (2013.01); F04D 29/023 (2013.01); F05D 2230/20 (2013.01); F05D 2240/12 (2013.01);
Abstract

A compressor assembly for a gas turbine engine includes an outer band, a plurality of variable pitch vanes, and an inner band. The plurality of variable pitch vanes extend radially between the outer band and the inner band. The inner band extends circumferentially partway about an axis and includes a first ring segment and a second ring segment that cooperate to receive the plurality of variable pitch vanes.


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