ABRADABLE SEAL INCLUDING AN ABRADABILITY CHARACTERISTIC THAT VARIES BY LOCALITY

An abradable seal (64; 164; 264) for a gas turbine engine includes a seal body (66) that has a seal side (66a) and a non-seal side (66b). The seal body (66) includes an abradability characteristic that varies by locality, wherein the abradability characteristic is selected from the group consisting...

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Bibliographische Detailangaben
Hauptverfasser:	BOYER, Jesse R, FAUGHNAN, JR., Paul R, O'NEILL, Christopher F, DELISLE, Robert P
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CYLINDERS ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PISTONS SEALINGS STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An abradable seal (64; 164; 264) for a gas turbine engine includes a seal body (66) that has a seal side (66a) and a non-seal side (66b). The seal body (66) includes an abradability characteristic that varies by locality, wherein the abradability characteristic is selected from the group consisting of a graded composition, a graded porosity, a non-uniform geometric cell structure and combinations thereof.