US Patent 9739207 Aircraft vapour trail control system
Patent 9739207 was granted and assigned to Rolls-Royce on August, 2017 by the United States Patent and Trademark Office.
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Patent 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.
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Patent Inventor Names
Andrew Martin Rolt0
Malcolm Hillel0
Paul Fletcher0
Peter Swann0
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US Patent 09739207 Aircraft vapour trail control system US Patent 9739207 Aircraft vapour trail control system
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Patent Number
09739207
Patent Number
9739207
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US Patent 09739207 Aircraft vapour trail control system
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Patent applicant
Current assignee
Patent jurisdiction
Patent number
09739207
Date of patent
August 22, 2017
Patent application number
14644799
Date Filed
March 11, 2015
Patent primary examiner
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