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:
Aug. 06, 2019
Filed:
May. 24, 2016
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 21/00 (2006.01); F02C 3/04 (2006.01); F02C 7/22 (2006.01); F02K 3/06 (2006.01); B64D 27/24 (2006.01); B64D 27/18 (2006.01); F02K 3/075 (2006.01); B64C 21/02 (2006.01); B64C 23/06 (2006.01); F01D 15/10 (2006.01); F01D 17/24 (2006.01); B64D 27/02 (2006.01);
U.S. Cl.
CPC ...
F01D 21/003 (2013.01); B64C 21/025 (2013.01); B64C 23/065 (2013.01); B64D 27/18 (2013.01); B64D 27/24 (2013.01); F01D 15/10 (2013.01); F01D 17/24 (2013.01); F02C 3/04 (2013.01); F02C 7/22 (2013.01); F02K 3/06 (2013.01); F02K 3/075 (2013.01); B64D 2027/026 (2013.01); F05D 2220/323 (2013.01); F05D 2260/42 (2013.01); F05D 2270/306 (2013.01);
Abstract
The invention concerns an aircraft propulsion system having an engine core within which fuel is combusted to produce an exhaust containing water produced from the combustion of fuel, at least one propulsive fan for generating a mass flow of air which mixes with the exhaust of the engine core, and one or more sensor arranged to sense a condition indicative of vapor trail formation by the exhaust flow from the engine; and a controller arranged to control the ratio of the mass flow of water in the exhaust to the mass flow of air propulsed by the propulsive fan such that the ratio is reduced upon sensing of said condition by the one or more sensor.