GAS TURBINE ENGINE INCLUDING SEAL ASSEMBLY WITH ABRADABLE COATING INCLUDING MAGNETIC PARTICLES EMBEDDED IN POLYMER

A gas turbine engine (20) according to an exemplary aspect of the present disclosure includes, among other things, a compressor section (24), a combustor section (26), a turbine section (28), and at least one rotatable shaft (72). The engine further includes a seal assembly (64) including a seal pla...

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Bibliographische Detailangaben
Hauptverfasser:	WUSATOWSKA-SARNEK, Agnieszka M, KASPROW, Thomas D, STOYANOV, Pantcho P
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEARINGS BLASTING CYLINDERS ELEMENTS OR CRANKSHAFT MECHANISMS ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS 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 ROTARY BODIES OTHER THAN GEARING ELEMENTS SEALINGS SHAFTS STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A gas turbine engine (20) according to an exemplary aspect of the present disclosure includes, among other things, a compressor section (24), a combustor section (26), a turbine section (28), and at least one rotatable shaft (72). The engine further includes a seal assembly (64) including a seal plate (76) mounted for rotation with the rotatable shaft and a face seal (74) in contact with the seal plate (76) at a contact area (80). The seal assembly (64) further includes an abradable coating (90) adjacent the contact area (80). The abradable coating (90) includes magnetic particles embedded in a polymer material.