Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel Barak0
Joseph F. Englehart0
Date of Patent
January 14, 2020
Patent Application Number
15623208
Date Filed
June 14, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
A blade outer air seal (BOAS) assembly includes a rotor blade configured to rotate about an axis. The BOAS assembly also includes a BOAS positioned radially outward from the rotor blade and having a forward-facing BOAS face. The BOAS assembly also includes a shroud block positioned radially outward from the BOAS, having an aft-facing shroud face, and being configured to support the BOAS. The BOAS assembly also includes a first bellows seal extending from the forward-facing BOAS face to the aft-facing shroud face and configured to reduce fluid leakage radially between the BOAS and the shroud block.
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