CAST-IN FILM COOLING HOLE STRUCTURES

CAST-IN FILM COOLING HOLE STRUCTURES

A core element (10, 10A-C) of an investment core for use in a casting process used to produce an airfoil (32, 32A-E) includes an investment core body (12, 12A-C), an extension (16, 16A-C) connected to and protruding from the investment core body (12, 12A-C), and a connection portion (14, 14A-C) conn...

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Hauptverfasser: WAGNER, Joel H, PAULUS, John, DAVIS, Dustin W
Format: Patent
Sprache:eng ; fre ; ger
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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creator WAGNER, Joel H
PAULUS, John
DAVIS, Dustin W
description A core element (10, 10A-C) of an investment core for use in a casting process used to produce an airfoil (32, 32A-E) includes an investment core body (12, 12A-C), an extension (16, 16A-C) connected to and protruding from the investment core body (12, 12A-C), and a connection portion (14, 14A-C) connected to the investment core body (12, 12A-C) and to the extension (16, 16A-C). The investment core body (12, 12A-C) comprises a ceramic material. A shape of the extension (16, 16A-C) comprises a tube with a centerline axis (CLE) passing through a center of the extension (16, 16A-C). A shape of a cross-section of the extension (16, 16A-C) taken along a plane perpendicular to the extension centerline axis (CLE) comprises an ellipse. The extension (16, 16A-C) is connected to the investment core body (12, 12A-C) by the connection portion (14, 14A-C).
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The investment core body (12, 12A-C) comprises a ceramic material. A shape of the extension (16, 16A-C) comprises a tube with a centerline axis (CLE) passing through a center of the extension (16, 16A-C). A shape of a cross-section of the extension (16, 16A-C) taken along a plane perpendicular to the extension centerline axis (CLE) comprises an ellipse. 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The investment core body (12, 12A-C) comprises a ceramic material. A shape of the extension (16, 16A-C) comprises a tube with a centerline axis (CLE) passing through a center of the extension (16, 16A-C). A shape of a cross-section of the extension (16, 16A-C) taken along a plane perpendicular to the extension centerline axis (CLE) comprises an ellipse. 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subjects 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
title CAST-IN FILM COOLING HOLE STRUCTURES
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