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:
Jan. 01, 2019
Filed:
Feb. 12, 2014
Applicant:
United Technologies Corporation, Hartford, CT (US);
Inventors:
Nicholas Aiello, Middletown, CT (US);
Uyen Phan, Glastonbury, CT (US);
Assignee:
United Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01); F01D 11/08 (2006.01); F01D 11/12 (2006.01); F01D 11/02 (2006.01); F01D 5/20 (2006.01); F16J 15/44 (2006.01);
U.S. Cl.
CPC ...
F01D 11/001 (2013.01); F01D 5/20 (2013.01); F01D 11/08 (2013.01); F01D 11/122 (2013.01); F01D 11/127 (2013.01); F16J 15/445 (2013.01); F01D 11/02 (2013.01); F05D 2220/32 (2013.01); F05D 2240/55 (2013.01); F05D 2250/13 (2013.01); F05D 2250/292 (2013.01); F05D 2300/175 (2013.01); Y02T 50/671 (2013.01);
Abstract
A knife edge seal includes a pedestal and a knife edge with a tip and a base. The base rests on the pedestal. The base has a first width and the tip has a second width, and the ratio of the first width to the second width is in the range of 5:1 to 15:1. A gas turbine engine and a method of sealing a high pressure area from a low pressure area are also disclosed.