Injection formed hydrid airfoil

A hybrid gas turbine engine airfoil is made by forming a metal airfoil (12) with a pocket (16) in one side thereof. The pocket is covered by a caul (22). An elastomeric fluid (24) is injected into the pocket and cured therein for bonding thereto. The caul is removed from the airfoil to expose the cu...

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Bibliographische Detailangaben
Hauptverfasser:	BEGOVICH, JOSEPH THOMAS, JR, EVANS, CHARLES RICHARD, WARD, DOUGLAS DUANE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS 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 NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STEAM ENGINES TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A hybrid gas turbine engine airfoil is made by forming a metal airfoil (12) with a pocket (16) in one side thereof. The pocket is covered by a caul (22). An elastomeric fluid (24) is injected into the pocket and cured therein for bonding thereto. The caul is removed from the airfoil to expose the cured elastomer conforming to the aerodynamic profile thereof.