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:
Dec. 22, 2015
Filed:
Jul. 13, 2012
Applicants:
Jorge I. Farah, Hartford, CT (US);
Paul K. Sanchez, New Britain, CT (US);
Andrew D. Burdick, Ellington, CT (US);
Inventors:
Jorge I. Farah, Hartford, CT (US);
Paul K. Sanchez, New Britain, CT (US);
Andrew D. Burdick, Ellington, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/20 (2006.01); F01D 25/28 (2006.01); F01D 25/16 (2006.01); F02C 7/06 (2006.01);
U.S. Cl.
CPC ...
F02C 7/20 (2013.01); F01D 25/162 (2013.01); F01D 25/28 (2013.01); F02C 7/06 (2013.01); F05D 2260/31 (2013.01); F05D 2260/941 (2013.01);
Abstract
A mid-turbine frame located in a gas turbine engine axially aft of a high-pressure turbine and fore of a low-pressure turbine includes an outer frame case, an inner frame case, and at least a first spoke connecting the outer frame case to the inner frame case. The first spoke is tightened so as to be in tension during substantially all operating conditions of the gas turbine engine.