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:
May. 31, 2022
Filed:
Mar. 04, 2021
Applicant:
Rolls-royce North American Technologies Inc., Indianapolis, IN (US);
Inventors:
Matthew Jordan, Indianapolis, IN (US);
Kerry J. Lighty, Plainfield, IN (US);
Paul O'Meallie, Brownsburg, IN (US);
Assignee:
Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/272 (2006.01); F02C 7/27 (2006.01);
U.S. Cl.
CPC ...
F02C 7/272 (2013.01); F02C 7/27 (2013.01); F05D 2220/323 (2013.01); F05D 2230/60 (2013.01);
Abstract
A gas turbine engine includes a bypass duct, a compressor, and a pyrotechnic gas conduit. The bypass duct conducts bypass air between an outer bypass wall and an inner bypass wall. The compressor includes an impeller to compress engine air. The pyrotechnic gas conduit is configured to conduct a gas onto the impeller to start the gas turbine engine.