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:
Apr. 30, 2019
Filed:
Aug. 25, 2016
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Tracy A. Propheter-Hinckley, Manchester, CT (US);
Roger Gates, West Hartford, CT (US);
David Richard Griffin, Tolland, CT (US);
James Tilsley Auxier, Bloomfield, CT (US);
Assignee:
United Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01); F01D 25/12 (2006.01); F01D 25/24 (2006.01);
U.S. Cl.
CPC ...
F01D 9/041 (2013.01); F01D 9/042 (2013.01); F01D 25/12 (2013.01); F01D 25/246 (2013.01); F05D 2220/32 (2013.01); F05D 2240/11 (2013.01); F05D 2240/12 (2013.01); F05D 2240/55 (2013.01); F05D 2240/81 (2013.01); F05D 2250/184 (2013.01); F05D 2250/292 (2013.01); F05D 2250/712 (2013.01); F05D 2250/713 (2013.01); F05D 2260/205 (2013.01); F05D 2300/175 (2013.01); Y02T 50/676 (2013.01);
Abstract
A chamfered stator vane rail is provided. The chamfered stator vane rail may comprise a forward rail and an aft rail axially opposite the forward rail. The aft rail may comprise a leading edge and a trailing edge located axially opposite and aft of the leading edge. The aft rail may comprise a chamfered edge on a radially outer surface. The chamfered edge may be oriented at an angle relative to an axis.