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:
May. 19, 2020
Filed:
Feb. 04, 2016
Applicants:
Rolls-royce North American Technologies, Inc., Indianapolis, IN (US);
Rolls-royce Corporation, Indianapolis, IN (US);
Inventors:
Ted J. Freeman, Danville, IN (US);
Jeffrey A. Walston, Indianapolis, IN (US);
Jun Shi, Carmel, IN (US);
Tara G. Schetzel, Indianapolis, IN (US);
Assignees:
Rolls-Royce Corporation, Indianapolis, IN (US);
Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01); F04D 29/54 (2006.01); F04D 29/64 (2006.01); F04D 29/02 (2006.01);
U.S. Cl.
CPC ...
F01D 9/041 (2013.01); F01D 9/044 (2013.01); F04D 29/023 (2013.01); F04D 29/542 (2013.01); F04D 29/644 (2013.01); F05D 2230/232 (2013.01); F05D 2240/12 (2013.01); F05D 2300/6033 (2013.01); Y02T 50/672 (2013.01);
Abstract
A vane ring for a gas turbine engine includes an outer end wall and a plurality of spars coupled to the outer end wall. The vane ring further includes an inner end wall positioned radially inward of the outer end wall and coupled to the spars. The outer and inner end walls cooperate to form a flowpath.