Core for cast crankshaft

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United States of America Patent

PATENT NO 9388846
APP PUB NO 20160084294A1
SERIAL NO

14489568

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Abstract

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A core structure for a cast crankshaft is provided which eliminates the need to machine and install plugs in one or more of the main bearing lightening holes. This is achieved by configuring the core structure to take out all but a thin wall of material in the center of the main bearing journals.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 MAIL CODE 482-C24-A65 DETROIT MI 48265

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Romblom, Edward R Dewitt, US 19 127
Tkac, Ronald M Brighton, US 7 63

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