Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Huszar0
Daniel Lecuyer0
Date of Patent
April 13, 2021
0Patent Application Number
161988270
Date Filed
November 22, 2018
0Patent Citations
Patent Primary Examiner
Patent abstract
The gas turbine engine rotor assembly includes a rotor disc with a plurality of sealing tabs projecting radially out from a peripheral surface of the rotor disc in the rear end portion thereof. A said sealing tab is disposed at a tip portion of a fixing member of the disc, formed between pairs of blade root slots, adjacent a trailing edge of the rotor disc. The sealing tabs help to reduce the leakage of secondary air out the back of a blade pocket defined between adjacent blades mounted on the rotor disc.
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