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. 15, 2020

Filed:

Jul. 17, 2018
Applicant:

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

Inventors:

Elise A. M. Brown, Indianapolis, IN (US);

Emma L. Mitchell, Indianapolis, IN (US);

Elyse M. McMillen, Indianapolis, IN (US);

David L. Tondreau, III, Indianapolis, IN (US);

Eric T. Koenig, Fishers, IN (US);

Linnea L. Taketa, Indianapolis, IN (US);

Assignee:

ROLLS-ROYCE CORPORATION, Indianapolis, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 17/16 (2006.01); F01D 9/04 (2006.01);
U.S. Cl.
CPC ...
F01D 9/042 (2013.01); F05D 2220/321 (2013.01); F05D 2220/323 (2013.01); F05D 2230/60 (2013.01); F05D 2240/12 (2013.01); F05D 2300/174 (2013.01); F05D 2300/175 (2013.01);
Abstract

A vane stage segment is provided including an outer wall segment, an inner wall segment, and an airfoil. The outer wall segment is configured to be coupled to other outer wall segments to form an outer wall of the vane stage. The inner wall segment is spaced radially inward from the outer wall segment. At least one of the inner wall segment or the outer wall segment is separable between a forward portion and an aft portion. The airfoil extends between the outer wall segment and the inner wall segment.


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