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Bulkhead insert for an internal combustion engine

United States Patent

9,719,461
August 1, 2017
View the Complete Patent at the US Patent & Trademark Office
An engine includes a cylinder block defining at least one main bearing bulkhead adjacent to a cylinder, and a crankshaft rotatably housed within the block by a main bearing. A bulkhead insert has a cap portion, and an insert portion provided within the bulkhead. The insert portion has having first and second end regions connected by first and second straps. Each strap having a flanged beam cross section. The first and second ends of the insert portion are configured to connect a main bearing cap column to a cylinder head column. Each of the first and second end regions define at least one protrusion having a surface substantially normal to engine combustion and reactive loads. The cap portion is configured to mate with the first end region at the main bearing cap column and support the main bearing.
Maki; Clifford E. (New Hudson, MI), Chottiner; Jeffrey Eliot (Farmington Hills, MI), Williams; Rick L. (Canton, MI), Thibault; Mark W. (Canton, MI), Ervin; James Douglas (Novi, MI), Boileau; James Maurice (Novi, MI), McKeough; Bryan (Macomb, MI)
Ford Global Technologies, LLC (Dearborn, MI)
14/ 620,809
February 12, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The invention was made with Government support under Contract No. DE-EE0005574 awarded by the Department of Energy. The Government has certain rights to the invention.