Method to increase local cooling rate and improve material properties in a low-pressure sand-casting head

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United States of America Patent

PATENT NO 11986879
APP PUB NO 20230330744A1
SERIAL NO

17719737

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Abstract

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A low-pressure sand-casting system includes a sand-casting mold receiving a molten casting material to cast an automobile vehicle cylinder head. A port is created in the automobile vehicle cylinder head. A manifold port metal core assembly includes a metal core. A compressible material coating is applied on the manifold port core metal core.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 DETROIT MI 48265

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burkholder, Steven L Archbold, US 8 2
Daul, Ronald C Northville, US 9 0
Gerard, Dale A Bloomfield Hills, US 42 123
Wang, Liang Rochester Hills, US 656 6142
Wang, Qigui Rochester Hills, US 159 404

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