Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
John T. Pech0
W. Dean Kavalkovich0
Date of Patent
June 4, 2019
0Patent Application Number
143068700
Date Filed
June 17, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of monitoring a gas turbine engine start system includes monitoring a pressure in a starter air duct in communication with a starter air valve which is in communication with an air turbine starter (ATS); identifying an expected transient pressure response in the starter air duct; and identifying the starter air valve as degraded if the expected transient pressure response does not occur after an open command to the starter air valve.
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