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. 06, 2022
Filed:
Oct. 05, 2021
Applicant:
Rolls-royce North American Technologies Inc., Indianapolis, IN (US);
Inventors:
Benjamin Michael Iwrey, Indianapolis, IN (US);
Graham Adam Burkholder, Avon, IN (US);
Assignee:
Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 9/18 (2006.01); F01D 19/00 (2006.01); F02C 3/10 (2006.01); F02C 7/32 (2006.01); F02C 6/08 (2006.01);
U.S. Cl.
CPC ...
F02C 9/18 (2013.01); F01D 19/00 (2013.01); F02C 3/10 (2013.01); F02C 6/08 (2013.01); F02C 7/32 (2013.01);
Abstract
Systems and methods are disclosed for controlling surge margin in the compressor section of a gas turbine engine. A first compressor section and a second compressor section are in fluid communication with a bypass conduit. An auxiliary turbine and discharge conduit are positioned in the bypass conduit. Fluid flow from the compressor sections into the bypass conduit is controlled by bypass control valves.