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AssigneeMTU Aero Engines AG
InventorsPetra Kufner, Walter Gieg, Rudolf Stanka, René Schneider, Norman Cleesattel, Joachim Lorenz
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The invention relates to a run-in coating (10) for an outer air seal of a turbomachine, especially of an aero engine, comprising a substrate (12) of segmented form which carries a honeycomb structure (14) with an run-in surface (15) to face rotor blades of a rotor of the turbomachine, wherein a radial thickness of the honeycomb structure (14) varies in the circumferential direction. The invention furthermore relates to an outer air seal for a turbomachine and also to a turbomachine with an outer air seal.
A run-in coating for an outer air seal of a turbomachine, wherein the run-in coating comprises a substrate of segmented form which carries a honeycomb structure with a run-in surface to face rotor blades of a rotor of the turbomachine, and wherein a radial thickness of the honeycomb structure varies in circumferential direction.
Dependencies are inferred from the claim text.