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:
Oct. 27, 2020
Filed:
May. 09, 2014
Applicant:
United Technologies Corporation, Hartford, CT (US);
Inventors:
Ken F. Blaney, Middleton, NH (US);
Christopher M. Jarochym, Ogunquit, ME (US);
Assignee:
Raytheon Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/20 (2006.01); F01D 25/24 (2006.01); F01D 11/22 (2006.01); F01D 5/02 (2006.01); F01D 5/12 (2006.01); F04D 27/00 (2006.01); F04D 29/16 (2006.01); F04D 29/32 (2006.01);
U.S. Cl.
CPC ...
F01D 11/20 (2013.01); F01D 5/02 (2013.01); F01D 5/12 (2013.01); F01D 11/22 (2013.01); F01D 25/246 (2013.01); F04D 27/002 (2013.01); F04D 29/164 (2013.01); F04D 29/324 (2013.01); F05D 2220/32 (2013.01); F05D 2240/11 (2013.01); F05D 2250/232 (2013.01); F05D 2260/56 (2013.01); F05D 2260/57 (2013.01); F05D 2270/64 (2013.01); F05D 2270/65 (2013.01);
Abstract
An active clearance control system for a gas turbine engine includes an annular piston with a multiple of piston lift lugs. A method of active blade tip clearance control for a gas turbine engine includes translating axial movement of an annular piston to radial movement of a multiple of blade outer air seal segments.