Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 15, 2022
Patent Application Number
16939462
Date Filed
July 27, 2020
Patent Citations Received
Patent Primary Examiner
A gas turbine engine includes a buffer system that communicates a buffer supply air to a portion of the gas turbine engine. The buffer system includes a first bleed air supply having a first pressure, a second bleed air supply having a second pressure that is greater than the first pressure, and a valve that selects between the first bleed air supply and the second bleed air supply to communicate the buffer supply air to the portion of the gas turbine engine.
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