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:
Sep. 14, 2021
Filed:
Dec. 04, 2017
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Jeffrey J. Lienau, Wethersfield, CT (US);
Dustin W. Davis, Marlborough, CT (US);
Jonathan Lemoine, Vernon, CT (US);
Kevin Zacchera, Glastonbury, CT (US);
Assignee:
Raytheon Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01); F01D 25/28 (2006.01); F01D 9/06 (2006.01); F01D 11/00 (2006.01); F01D 25/16 (2006.01); F01D 25/12 (2006.01);
U.S. Cl.
CPC ...
F01D 25/28 (2013.01); F01D 9/042 (2013.01); F01D 9/065 (2013.01); F01D 11/003 (2013.01); F01D 25/12 (2013.01); F01D 25/162 (2013.01); F05D 2220/3213 (2013.01); F05D 2240/58 (2013.01); F05D 2260/20 (2013.01); Y02T 50/60 (2013.01);
Abstract
A mid-turbine frame for a gas turbine engine includes an inner frame case defining a sealed torque box cavity. Multiple spokes protrude radially outward from the inner frame case, and at least one service line is connected to the inner frame case.