$Refractory core comprising a main body and a shell$

Refractory core comprising a main body and a shell

A refractory core (12) for fabricating a hollow turbine engine airfoil (10) using the lost-wax casting technique, the core comprising a main body (14) and at least one shell (16) connected to the main body (14) and defining a cavity (18) between the main body and the shell, the shell (16) being conf...

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Bibliographische Detailangaben
Hauptverfasser:	Grange, David, Niane, Ngadia Taha
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CASTING ENGINE PLANTS IN GENERAL FOUNDRY MOULDING HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS POWDER METALLURGY STEAM ENGINES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A refractory core (12) for fabricating a hollow turbine engine airfoil (10) using the lost-wax casting technique, the core comprising a main body (14) and at least one shell (16) connected to the main body (14) and defining a cavity (18) between the main body and the shell, the shell (16) being configured to come into contact with the airfoil (10) during fabrication.