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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.:

US 9739207 B1

PDFFull Text
Date of Patent:
Aug. 22, 2017

Filed:

Mar. 11, 2015

Aircraft vapour trail control system

Applicant:

Rolls-royce Plc, London, GB;

Inventors:

Malcolm Hillel, Derby, GB;

Peter Swann, Nottingham, GB;

Andrew Martin Rolt, Derby, GB;

Paul Fletcher, Rubgy, GB;

Assignee:

ROLLS-ROYCE plc, London, GB;

Attorney:

Oliff PLC

Primary Examiner:

Ehud Gartenberg

Assistant Examiner:

Daniel Arble

Int. Cl.
CPC ...
F02C 9/20 (2006.01); B64D 33/04 (2006.01); B64D 31/06 (2006.01); F02K 1/76 (2006.01); F02K 1/12 (2006.01); F02K 1/16 (2006.01); F02K 3/075 (2006.01);
U.S. Cl.
CPC ...
F02C 9/20 (2013.01); B64D 31/06 (2013.01); B64D 33/04 (2013.01); F02K 1/1207 (2013.01); F02K 1/76 (2013.01); F02K 1/16 (2013.01); F02K 3/075 (2013.01); F05D 2220/323 (2013.01); F05D 2270/08 (2013.01); F05D 2270/311 (2013.01); F05D 2270/312 (2013.01); F05D 2270/313 (2013.01); Y02T 50/677 (2013.01);
Abstract

The invention concerns an aircraft propulsion control system in which a gas turbine engine has an actuable flow opening for control of flow to or from a portion of the engine. One or more sensor is arranged to sense a condition indicative of vapor trail formation by the exhaust flow from the engine. A controller is arranged to control actuation of the flow opening so as to reduce the efficiency of the engine upon sensing of said condition by the one or more sensor. In one example, the flow opening is a variable area fan nozzle.

Find Patent Forward Citations

Hillel, Malcolm. (2017). Aircraft vapour trail control system (U.S. Patent No. 9739207). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9739207

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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