Thermally compliant discourager seal

The present invention provides a seal for a gas turbine engine, comprising an annular ring with an L-shaped cross-section having a radially extending leg and an axially extending leg. A plurality of corrugations are formed in the axial leg so as to make it compliant in the circumferential direction.

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Bibliographische Detailangaben
Hauptverfasser:	CZACHOR ROBERT PAUL, BOSEL TOD KENNETH
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS CYLINDERS ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GAS-TURBINE PLANTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS 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:	The present invention provides a seal for a gas turbine engine, comprising an annular ring with an L-shaped cross-section having a radially extending leg and an axially extending leg. A plurality of corrugations are formed in the axial leg so as to make it compliant in the circumferential direction.